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Light Extinction Measurements in the Experimental Lakes Area -
1976 Data
J.A. Shearer and D.R. DeClercq
Western Region Fisheries and Marine Service Department of
Fisheries and the Environment Winnipeg, Manitoba R3T 2N6
June 1977
Fisheries & Marine Service Data Report No. 33
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Fisheries and Marine Service
Data Reports
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.Cover design by Christine Rusk
-
This series includes unpublished Cette serie unit des donnees
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Fisheries and Marine Service
Data Report 33
June 1977
Light Extinction Measurements in the Experimental Lakes Area -
1976 Data.
by
J. A. Shearer and D. R. DeClercq
Western Region
Fisheries and Marine Service
Department of Fisheries and the Environment
Winnipeg, Manitoba R3T 2N6
This is the second Data Report from the
Western !Region, Winnipeg.
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iii
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TABLE OF CONTENTS
Page
Acknowledgements iy· · · · · · yAbstract . . · · · · · · · · · ·
· · · . . Introduction · .. 1· · · · · · · · · · Data Collection
and Analysis 1· · · · · . · · · References 2. · · · · · · · · • ·
Appendix I - Tabulated Data. 3· Lake 223. 4· · · · · Lake 224. 7· ·
· · · · Lake 226NE. 12· · · · · Lake 226SW. · .. 20· · · Lake 227.
. 28· · · · Lake 230. 31· . . · Lake 239. 34· · · · · · · · · · ·
Lake 261. 38· Lake 302N 42· · · · Lake 3025 48
Lake 303. 55· · · · . Lake 304. · · · · · · 58 Appendix II -
Plotted Data 63· · · · · · Lake 223. 64· Lake 224. 66·· · · · ·
Lake 226NE. 69· · · · Lake 226SW. 74· · · · • Lake 227. 79· · · · ·
· · · Lake 230. · · · · 82 Lake 239. 84
Lake 26l. 87· · ·· · · · · · Lake 302N . 90
Lake 3025 94· · · · Lake 303. . . 99· · · · Lake 304. 101·
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iv
ACKNOWLEDGEMENTS•
Dr. Everett Fee supervised this work and participated in much of
the data collection-
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ABSTRACT
Shearer, J. A. and D. R. DeClercq. 1977. Light extinction
measurements in the Experimental Lakes Area - 1976 data. Can. Fish.
Mar. Servo Data Rep. 33:iv + 103 p.
Light extinction was periodically measured in twelve lake basins
at the Experimental Lakes Area during 1976. This report summarizes
the data and provides plots of extinction with depth for all
profiles.
Keywords: Light penetration, water transparency, limnological
data, Experimental Lakes Area.
, , RESUME
Shearer, J. A. and D. R. DeCl.ercq. 1977. Light extinction
measurements in the Experimental Lakes Area - 1976 data. Can. Fish.
Mar. Servo Data Rep. 33:iv + 103 p.
On mesure p~riodiquement l'extinction de la lumiere dans les
bassins de douze lacs de la Region des Lacs Experimentaux
(E.L.A.)durant 1976. Ce rapport condense les donnees d'observation
et donne les traces graphiques d'extinction avec la profondeur pour
tous les profils .
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INTRODUCTION
This report is the third annual presentation of light extinction
data collected at the Experimental Lakes Area using a quantum
sensor. As in the previous reports (Shearer, 1976; Shearer
&DeClercq, 1976), a brief description of the scope of the
measurements is presented, and the complete set of collected data
for 1976 is given, both in tables and in graphs.
The equipment and methodology were basically unchanged from that
described in the previous reports. The cosine-corrected sensor
(Licor 1925) is designed to measure quanta in only the region of
the spectrum b:twee~ 400.and ~2D m~ (Biggs et al., 1971). The units
recorded are mlcroelnstelns m sec-to
DATA COLLECTION AND ANALYSIS
Twelve separate lake basins were surveyed during the ice-free
season of 1976. The light extinction data was collected in
conjunction with primary production measurements (DeCl ercq et al.,
1977) on these
• basins, some of which were undergoing experimental
manipulations (Schindler and Fee, 1974). Locations of the basins
(Nos. 223, 224, 226NE, 226SW, 227, 230, 239, 261, 302N, 302S, 303,
304) can be found, along with some morphometric and geographic
information, in volume 28(2) of the Journal of the Fisheries
Research Board of Canada (1971).
Light extinction was measured in most of the basins at
approximately bi-weekly intervals. Oligotrophic basins were
occasionally monitored less frequently, while several of the
experimental basins were cOl\1l1only done at weekly i ntervals. On
a few occasions, extinction profiles were taken two or more times
on the same day.
Whenever possible, light readings were taken under clear
skyconditions, or under uniform cloud cover. Some profiles were
made, under changing skies using a deck cell for reference. The
great majority of readings were taken during the morning hours, the
times being given in the Appendi ces.
In Appendix I, the light measured at each depth, expressed as a
percentage of the surface value, is listed for each profile. Mean
extinction coefficients for the profiled depth intervals are also
given. The same data are plotted in Appendix II. In both
appendices, the data are grouped according to lake basin and listed
chronologically within each group.
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2
REFERENCES
Biggs, W. W., A. R. Edison, J. D. Eastin, K. W. Brown, J. W.
Maranville, and M. D. Clegg. 1971. Photosynthesis light sensor and
meter. Ecology 52: 125-131.
DeClercq, D. R., J. A. Shearer, S. L. Schiff, and E. J. Fee.
1977. Primary production, respiration, chlorophyll and
suspendedcarbon in the Experimental Lakes Area - 1976 data. Fish.
Mar. Servo Data Rep. 32: v + 94 p.
Schindler, D. H., and E. J. Fee. 1974. Experimental Lakes Area:
whole lake experiments in eutrophication. J. Fish. Res. Board Can.
31: 937-953.
Shearer. J. A. 1976. Light extinction measurements in the
ExperimentalLakes Area - 1974 data. Fish. Mar. Servo Tech. Rep.
615: 96 p.
Shearer, J. A., and D. R. DeClercq. 1976. Light extinction
measurements in the Experimental Lakes Area - 1975 data. Fish. Mar.
Servo Tech. Rep. 646: 113 p.
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3
APPENDIX I
This appendix lists the data for each irLsitu profile taken
during 1976.
An times are Central Day1 ight Time.
Depths are in meters. Light values are given as percentages of
the surface value (corrected for surface effect).
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LAKE 223 t-l
~ tzj
f\) f\)
DATE: 27 APR TIME: 850 HOURS EXTINCTION COEFFICIENT: .51 R**2:
.9947 \>I
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEP'l'H
% SURF. 0.00 100.00 1.00 60.24 2.00 36.29 3.00 21.86 4.00 13.17
5.00 7.93 6.00 4.78 7.00 2.88 8.00 1.73 9.00 1.04
10.00 .63 11.00 .38 12.00 .23
DATE: 11 MAY TIME: 835 HOURS EXTINCTION COEFFICIENT: .51 R**2:
.9942
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 59.84 2.00 35.81 3.00 21.43 4.00 12.82 5.00
7.67 6.00 4.59 7.00 2.75 8.00 1.64 9.00 .98
10.00 .59 11.00 .35 12.00 .21
~
DATE: 25 MAY TIME: 740 HOURS EXTINCTION COEFFICIENT: .50 R** 2:
.9969
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 60.39 2.00 36.47 3.00 22.02 4.00 13.30 5.00
8.03 6.00 4.85 7.00 2.93 8.00 1.77 9.00 1.07
10.00 .65 11.00 .39 12.00 .24
DATE: 8 JUN TIME: 830 HOURS EXTINCTION COEFFICIENT: .47 R**2:
.9962
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 62.25 2.00 38.76 3.00 24.13 4.00 15.02 5.00
9.35 6.00 5.82 7.00 3.62 8.00 2.26 9.00 1.40
10.00 .87 11.00 .54 12.00 .34
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......
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LAKE 223
DATE: 22 JUN EXTINCTION COEFFICIENT:
DEPTH % SURF. DEPTH 0.00 100.00 1.00 5.00 10.00 6.00
10.00 1.00 11.00
DATE: 8 JUL EXTINCTION COEFFICIENT:
DEPTH % SURF. DEPTH 0.00 100.00 1. 00 5.00 10.63 6.00
10.00 1.13 11.00
DATE: 20 JUL EXTINCTION COEFFICIENT:
DEP'I'H % SURF. DEPTH 0.00 100.00 1.00 5.00 8.77 6.00
10.00 .77 11.00
DATE: 3 AUG EXTINCTION COEFFICIENT:
DEPTH % SURF. DEPTH 0.00 100.00 1.00 5.00 10.38 6.00
10.00 1.08 11.00
.46
% SURF. 63.09
6.31 .63
.45
% SURF. 63.87 6.79
.72
.49
% SURF. 61.46
5.39 .47
.45
% SURF. 63.57 6.60
.69
DEPTH 2.00 7.00
12.00
DEPTH 2.00 7.00
12.00
DEPTH 2.00 7.00
12.00
DEPTH 2.00 7.00
12.00
•
TIME: R**2:
% SURF. 39.81 3.98
.40
TIME: R** 2:
% SURF. 40.80
4.34 .46
TIME: R**2:
% SURF. 37.77
3.31 .29
TIME: R**2:
% SURF. 40.41 4.20
.44
825 .9807
DEPTH 3.00 8.00
820 .9940
DEPTH 3.00 8.00
730 .9885
DEPTH 3.00 8.00
830 .9851
DEPTH 3.00 8.00
HOURS
% SURF. 25.12 2.51
HOURS
% SURF. 26.06 2.77
HOURS
% SURF. 23.21 2.04
HOURS
% SURF. 25.69 2.67
DEPTH 4.00 9.00
DEPTH 4.00 9.00
DEPTH 4.00 9.00
DEPrH 4.00 9.00
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t-l
~ t>:J I'-) I'-) \)l
% SURF. 15.85
1.58
% SURF. 16.65
1.77
U"l
% SURF. 14 .27 1.25
% SURF. 16.33 1. 70
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LAKE 223
§ DA'l'E: 31 AUG TIME: 855 HOURS I'\) EXTINCTION COEFFICIENT:
.50 R** 2: .8864
I'\)
~
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 60.76 2.00 36.92 3.00 22.44 4.00 13.63 5.00
8.28 r 6.00 5.03 7.00 3.06 8.00 1.86 9.00 1.13
10.00 .69 11.00 .42 12.00 .25
DATE: 14 SEP TIME: 910 HOURS EXTINC'!'ION COEFFICIENT: .59 R**2:
.9135
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 55.66 2.00 30.98 3.00 17.24 4.00 9.60 5.00
5.34 6.00 2.97 7.00 1.65 8.00 .92 9.00 .51
10.00 .29 11.00 .16 12.00 .09
en
DATE: 29 SEP TIME: 1030 HOURS EXTINCTION COEFFICIENT: .57 R**2:
.9762
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 56.41 2.00 31.82 3.00 17.95 4.00 10.13 5.00
5.71 6.00 3.22 7.00 1.82 8.00 1.03 9.00 .58
10.00 .33 11.00 .18 12.00 .10
DATE: 20 OCT TIME: 930 HOURS EXTINCTION COEFFICIENT: .43 R**2:
.9945
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 65.16 2.00 42.45 3.00 27.66 4.00 18.02 5.00
11.74 6.00 7.65 7.00 4.99 8.00 3.25 9.00 2.12
10.00 1.38 11.00 .90 12.00 .59
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LAKE 224 ~ ~ I\) I\)
DATE: 27 APR TIME: 755 HOURS ~
EXTINCTION COEFFICIENT: .26 R**2: .9790
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 76.86 2.00 59.07 3.00 45.40 4.00 34.89 5.00
26.82 6.00 20.61 7.00 15.84 8.00 12.17 9.00 9.36
10.00 7.19 11.00 5.53 12.00 4.25 13.00 3.26 14.00 2.51 15.00
1.93 16.00 1.48 17.00 1.14 18.00 .88 19.00 .67 20.00 .52
DATE: 11 MAY TIME: 750 HOURS EXTINCTION COEFFICIENT: .30 R** 2:
.9951
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 73.82 2.00 54.50 3.00 40.23 4.00 29.70 5.00
21.93 6.00 16.19 7.00 11.95 8.00 8.82 9.00 6.51 -...J
10.00 4.81 11.00 3.55 12.00 2.62 13.00 1.93 14.00 1.43 15.00
1.05 16.00 .78 17.00 .57 18.00 .42 19.00 .31
DATE: 25 MAY TIME: 840 HOURS EXTINCTION COEFFICIENT: .30 R** 2:
.9980
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 74.12 2.00 54.94 3.00 40.72 4.00 30.18 5.00
22.37 6.00 16.58 7.00 12.29 8.00 9.11 9.00 6.75
10.00 5.00 11.00 3.71 12.00 2.75 13.00 2.04 14.00 1.51 15.00
1.12 16.00 .83 17.00 .61 18.00 .46 19.00 .34 20.00 .25
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LAKE 224 ~ l="1 trJ
DATE: 8 JUN EXTINCTION COEFFICIENT: .28
TIME: R** 2:
800 HOURS .9981
N N ~
DEPTH 0.00 5.00
10.00 15.00 20.00
% SURF. 100.00
24.89 6.20 1.54 .38
DEPTH 1.00 6.00
11.00 16.00
% SURF. 75.72 18.85 4.69 1.17
DEPTH 2.00 7.00
12.00 17.00
% SURF. 57.33 14.27
3.55 .88
DEPTH 3.00 8.00
13.00 18.00
% SURF. 43.41 10.81
2.69 .67
DEPTH 4.00 9.00
14.00 19.00
% SURF. 32.87 8.18 2.04
.51
DATE: 22 JUN EXTINCTION COEFFICIENT: .28
TIME: R**2 :
750 HOURS .9965
DEPTH 0.00 5.00
10.00 15.00
% SURF. 100.00
24.32 5.91 1.44
DEPTH 1.00 6.00
11.00 16.00
% SURF. 75.37 18.33 4.46 1.08
DEPTH 2.00 7.00
12.00 17.00
% SURF. 56.80 13.81
3.36 .82
DEPTH 3.00 8.00
13.00 18.00
% SURF. 42.81 10.41
2.53 .62
DEPTH 4.00 9.00
14.00
% SURF. 32.27 7.85 1.91
co
DATE: 8 JUL EXTINCTION COEFFICIENT: .28
TIME: R** 2:
755 HOURS .9972
DEPTH 0.00 5.00
10.00 15.00 20.00
% SURF. 100.00
25.26 6.38 1.61
.41
DEPTH 1.00 6.00
11.00 16.00
% SURF. 75.94 19.18 4.84 1.22
DEPTH 2.00 7.00
12.00 17.00
% SURF. 57.67 14.56
3.68 .93
DEPTH 3.00 8.00
13.00 18.00
% SURF. 43.79 11.06
2.79 .71
DEPTH 4.00 9.00
14.00 19.00
% SURF. 33.26 8.40 2.1.2
.54
,'"
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i -" • •
t-lLAKE 224 :x> ~ £\) £\)
DATE: 20 JUL TIME: 805 HOURS ~
EXTINCTION COEFFICIENT: .27 R**2: .9941
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1. 00 76.15 2.00 57.98 3.00 44.15 4.00 33.62 5.00
25.60 6.00 19.50 7.00 14.84 8.00 11.30 9.00 8.61
10.00 6.55 11.00 4.99 12.00 3.80 13.00 2.89 14.00 2.20 15.00
1.68 16.00 1.28 17.00 .97 18.00 .74 19.00 .56 20.00 .43
DATE: 3 AUG TIME: 745 HOURS EXTINCTION COEFFICIENT: .28 R**2:
.9938
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1. 00 75.49 2.00 56.99 3.00 43.02 4.00 32.48 5.00
24.52 6.00 18.51 7.00 13.97 8.00 10.55 9.00 7.96 1.0
10.00 6.01 11.00 4.54 12.00 3.43 13.00 2.59 14.00 1.95 15.00
1.47 16.00 1.11 17.00 .84 18.00 .63 19.00 .48 20.00 .36
DATE: 31 AUG TIME: 745 HOURS EXTINCTION COEFFICIENT: .27 R**2:
.9868
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 76.07 2.00 57.87 3.00 44.02 4.00 33.49 5.00
25.48 6.00 19.38 7.00 14.74 8.00 11.22 9.00 8.53
10.00 6.49 11.00 4.94 12.00 3.76 13.00 2.86 14.00 2.17 15.00
1.65 16.00 1.26 17.00 .96 18.00 .73 19.00 .55 20.00 .42
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LAKE 224 ~ t?j
I\) I\) ..j:>.DATE: 1 SEP TIME: 1350 HOIJRS
EXTINCTION COEFFICIENT: .28 R**2: .9943
DEP'!'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SUR F. 0.00 100.00 1. 00 75.64 2.00 57.21 3.00 43.27 4.00 32.73
5.00 24.76 6.00 18.73 7.00 14.16 8.00 10.71 9.00 8.10
10.00 6.13 11.00 4.64 12.00 3.51 13.00 2.65 14.00 2.01 15.00
1.52 16.00 1.15 17.00 .87
DATE: 14 SEP TIME: 825 HOURS EXTINCTION COEFFICIENT: .28 R** 2:
.9785
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 75.68 2.00 57.28 3.00 43.35 4.00 32.81 5.00
24.83 6.00 18.79 7.00 14.22 8.00 10.76 9.00 8.15
10.00 6.17 11.00 4.67 12.00 3.53 13.00 2.67 14.00 2.02 0
15.00 1.53 16.00 1.16 17.00 .88 18.00 .66 19.00 .50 20.00
.38
DATE: 29 SEP TIME: 1010 HOURS EXTINCTION COEFFICIENT: .31 R**2:
.9942
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 73.55 2.00 54.10 3.00 39.79 4.00 29.27 5.00
21.53 6.00 15.84 7.00 11.65 8.00 8.57 9.00 6.30
10.00 4.63 11.00 3.41 12.00 2.51 13.00 1.84 14.00 1.36 15.00
1.00 16.00 - .73 17.00 .54 18.00 .40 19.00 .29 20.00 .21
~
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, , •
~ txj
LAKE 224 I'\) I'\)
~
DATE: 20 OCT TIME: 850 HOURS
EXTINCTION COEFFICIENT: .25 R**2: .9953
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 77.49 2.00 60.05 3.00 46.54 4.00 36.06 5.00
27.95 6.00 21.66 7.00 16.78 8.00 13.01 9.00 10.08
10.00 7.81 11.00 6.05 12.00 4.69 13.00 3.63 14.00 2.82 15.00
2.18 16.00 1.69 17.00 1.31 18.00 1.02 19.00 .79 20.00 .61
--' --'
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LAKE 226NE ~ ~ ('\) ('\)
DATE: 29 APR TIME: 900 HOURS 0'\ EXTINCTION COEFFICIENT: .86
R**2: .9958 ~ DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. DEPTH % SURF.
0.00 100.00 1.00 42.14 2.00 17.75 3.00 7.48 4.00 3.15 5.00 1.33
6.00 .56 7.00 .24 8.00 .10 9.00 .04
10.00 .02
DATE: 19 MAY TIME: 815 HOURS EXTINCTION COEFFICIENT: .71 R**2:
.9969
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.02 2.00 24.03 3.00 11. 78 4.00 5.77 5.00
2.83 6.00 1.39 7.00 .68 8.00 .33
..... N
DATE: 25 MAY TIME: 755 HOURS EXTINCTION COEFFICIENT: .76 R**2:
.9990
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 46.88 2.00 21.98 3.00 10.30 4.00 4.83 5.00
2.26 6.00 1.06 7.00 .50 8.00 .23 9.00 .11
DATE: 2 JUN TIME: 805 HOURS EXTINCTION COEFFICIENT: .75 R** 2:
.9990
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.19 2.00 22.27 3.00 10.51 4.00 4.96 5.00
2.34 6.00 1.10 7.00 .52 8.00 .25 9.00 .12
• .'
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•
LAKE 226NE ~ ~ txj
I\.)
DATE: B JUN TIME: 845 HOURS I\.)
EXTINCTION COEFFICIENT: .76 R**2: .9911 0'\
G3 DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF.
0.00 10 0.00 1.00 46.69 2.00 21.80 3.00 10.18 4.00 4.75 5.00
2.22 6.00 1.04
DATE: 16 JUN TIME: 835 HOURS
EXTINCTION COEFFICIENT: .79 R** 2: .9963
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 45.21 2.00 20.44 3.00 9.24 4.00 4.1B 5.00
1.89 6.00 .85 7.00 .39 8.00 .17
DATE: 22 JUN TIME: B20 HOURS ...... EXTINCTION COEFFICIENT: .70
R**2: .9997 w
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.44 2.00 24.44 3.00 12. DB 4.00 5.97 5.00
2.95 6.00 1.46 7.00 .72 8.00 .36 9.00 .18
10.00 .09
DATE: 30 JUN TIME: 750 HOURS EXTINCTION COEFFICIENT: .71 R** 2:
.9894
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.28 2.00 24.28 3.00 11.96 4.00 5.90 5.00
2.91 6.00 1.43 7.00 .71 8.00 .35 9.00 .17
-
LAKE 226UE E trj
I'\) I'\)
DATE: 6 JUL TIME: 920 HOURS 0'1 !ZEXTINCTION COEFFICIENT: .70
R** 2: .9941 t
-
a ..
LAKE 2L6NE ~ P::l t
-
LAKE 226NE ~ I?j
I\.) I\.)
DATE: 2 AUG TIME: 1010 HOURS 0\
EXTINCTION COEFFICIENT: .80 R** 2: .9979 Ga
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 44.79 2.00 20.06 3.00 8.98 4.00 4.02 5.00
1.80 6.00 .81 7.00 .36 8.00 .16 9.00 .07
10.00 .03
DATE: 2 AUG TIME: 1145 HOURS EXTINCTION COEFFICIENT: .80 R**2 :
.9964
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 44.96 2.00 20.21 3.00 9.09 4.00 4.09 5.00
1.84 6.00 .83 7.00 .37 8.00 .17 9.00 .08
10.00 .03 ....... 0'1
DATE: 2 AUG TIME: 1310 HOURS EXTINCTION COEFFICIENT: .80 R** 2:
.9957
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 44.98 2.00 20.23 3.00 9.10 4.00 4.09 5.00
1.84 6.00 .83 7.00 .37 8.00 .17 9.00 .08
10.00 .03
DATE: 11 AUG TIME: 810 HOURS EXTINCTION COEFFICIENT: .82 R**2:
.9979
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 43.88 2.00 19.26 3.00 8.45 4.00 3.71 5.00
1.63 6.00 .71 7.00 .31 8.00 .14 9.00 .06
,.
-
..
LAKE 226NE ~ t
-
:uAKE 226NE ~ t:x:! I\) I\)
DATE: 22 SEP TIME: 825 HOURS 0'1 @EXTINCTION COEFFICIENT: .63
R**2: .9916
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 53.16 2.00 28.26 3.00 15.02 4.00 7.99 5.00
4.25 6.00 2.26 7.00 1.20
DATE~ 22 SEP TIME: 1155 HOURS
EXTINCTION COEFFICIENT: .64 R**2: .9952
DEP'!'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 1.00 52.61 2.00 27.68 3.00 14.56 4.00 7.66 5.00
4.03 6.00 2.12 7.00 1.12 8.00 .59
....... DATE: 6 OCT TIME: 850 HOURS CXl EXTINCTION COEFFICIENT:
.66 R**2: .9945
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 51.61 2.00 26.64 3.00 13.75 4.00 7.09 5.00
3.66 6.00 1.89 7.00 .98 8.00 .50
DATE: 6 OCT TIME: 1305 HOURS EXTINCTION COEFFICIENT: .66 R**2:
.9934
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 51.67 2.00 26.69 3.00 13.79 4.00 7.13 5.00
3.68 6.00 1.90 7.00 .98 8.00 .51
f'
-
• 1&
LAKE 226NE ~ N N 0"1
DATE: 21 OCT EXTINCTION COEFFICIENT: .67
TIME: R** 2:
1505 HOURS .9952
G3
DEPTH 0.00 5.00
10.00
% SURF. 100.00
3.53 .12
DEPTH 1.00 6.00
% SURF. 51.24
1.81
DEP'!'H 2.00 7.00
% SURF. 26.25
.93
DEPTH 3.00 8.00
% SURF. 13 .45
.47
DEPTH 4.00 9.00
% SURF. 6.89
.24
-' \0
-
LAKE 2268\,[ e DATE: 29 APR EXTINCTION COEFFICIENT: .89
TIME: R**2:
820 HOURS .9986
N N 0"1
~ DEPTH
0.00 5.00
10.00
% SURF. 100.00
1.19 .01
DEPTH 1. 00 6.00
% SURF. 41.20
.49
DEPTH 2.00 7.00
% SURF. 16.98
.20
DEPTH 3.00 8.00
% SURF. 6.99
.08
DEP'I'H 4.00 9.00
% SURF. 2.88
.03
DATE: 19 MAY EXTINCTION COEFFICIENT: .62
TIME: R**2:
745 HOURS .9979
DEP'I'H 0.00 5.00
% SURF. 100.00
4.54
DEPTH 1.00 6.00
% SURF. 53.87
2.44
DEPTH 2.00 7.00
% SURF. 29.02 1.32
DEPTH 3.00 8.00
% SURF. 15.63
.71
DEPTH 4.00
% SURF. 8.42
N 0
DATE: 25 MAY EXTINCTION COEFFICIENT: .69
TIME: R**2 :
730 HOURS .9985
DEPTH 0.00 5.00
% SURF. 100.00
3.19
DEPTH 1.00 6.00
% SURF. 50.21 1.60
DEPTH 2.00 7.00
% SURF. 25.21
.80
DEPTH 3.00 8.00
% SURF. 12.66
.40
DEPTH 4.00 9.00
% SURF. 6.36
.20
DATE: 2 JUN EXTINCTION COEFFICIENT: .65
TIME: R**2:
740 HOURS .9960
DEPTH 0.00 5.00
% SURF. 100.00
3.93
DEPTH 1.00 6.00
% SURF. 52.34 2.06
DEPTH 2.00 7.00
% SURF. 27.40
1.08
DEPTH 3.00 8.00
% SURF. 14.34
.56
DEPTH 4.00 9.00
% SURF. 7.51
.29
,.
-
"
LAKE 226SW ~ tJ I\,) I\,)
0\ C/.lDATE: 8 JUN TIME: 810 HOURS ~
EXTINCTION COEFFICIENT: .75 R**2: .9856
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.26 2.00 22.33 3.00 10.55 4.00 4.99 5.00
2.36 6.00 1.11 7.00 .53 8.00 .25
DATE: 16 JUN TIME: 745 HOURS EXTINCTION COEFFICIENT: .83 R**2:
.9665
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 43.70 2.00 19.10 3.00 8.35 4.00 3.65 5.00
1.59 6.00 .70 7.00 .30 8.00 .13
N --'
DATE: . 22 JUN TIME: 750 HOURS EXTINCTION COEFFICIENT: .70 R**
2: .9930
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.83 2.00 24.83 3.00 12.37 4.00 6.17 5.00
3.07 6.00 1.53 7.00 .76 8.00 .38 9.00 .19
DATE: 30 JUN TIME: 820 HOURS EXTINCTION COEFFICIENT: .75 R** 2:
.9982
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.18 2.00 22.26 3.00 10.51 4.00 4.96 5.00
2.34 6.00 1.10 7.00 .52 8.00 .25 9.00 .12
-
LAKE 226SW ~ E:3
DATE: 6 JUL EXTINCTION COEFFICIENT: .63
TIME: R**2:
940 HOURS .9837
N N 0'\ CIl ::c:
DEPTH 0.00 5.00
% SURF. 100.00
4.23
DEPTH 1.00 6.00
% SURF. 53.13 2.25
DEPTH 2.00 7.00
% SURF. 28.23 1.20
DEPTH 3.00 8.00
% SURF. 15.00
.64
DEPTH 4.00 9.00
% SURF. 7.97
.34
DATE: 8 JUL EXTINCTION COEFFICIENT: .78
TIME: R**2 :
835 HOURS .9935
DEP'I'H 0.00 5.00
% SURF. 100.00
2.01
DEPTH 1.00 6.00
% SURF. 45.78
.92
DEPTH 2.00 7.00
% SURF. 20.96
.42
DEPTH 3.00 8.00
% SURF. 9.59
.19
DEPTH 4.00 9.00
% SURF. 4.39
.09
DATE: 12 JUL EXTINCTION COEFFICIENT: .69
TIME: R** 2:
950 HOURS .9944
N N
DEPTH 0.00 5.00
% SURF. 100.00
3.14
DEPTH 1.00 6.00
% SURF. 50.03 1.57
DEPTH 2.00 7.00
% SURF. 25.03
.78
DEPTH 3.00 8.00
% SURF. 12.52
.39
DEPTH 4.00 9.00
% SURF. 6.27
.20
DATE: 22 JUL EXTINCTION COEFFICIENT: .67
TIME: R** 2:
745 HOURS .9941
DEPTH 0.00 5.00
% SURF. 100.00
3.46
DEPTH 1.00 6.00
% SURF. 51.02 1.76
DEPTH 2.00 7.00
% SURF. 26.03
.90
DEPTH 3.00 8.00
% SURF. 13.28
.46
DEPTH 4.00
% SURF. 6.77
-
~
LAKE 226SW § N N 0"1DATE: 22 JUL TIME: 1123 HOURS (f.)
::E:EXTINCTION COEFFICIENT: .70 R** 2: .9933
DEPTH % SURF. DEP,!'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 1.00 49.41 2.00 24.42 3.00 12.07 4.00 5.96 5.00
2.95 6.00 1.46 7.00 .72 8.00 .36 9.00 .18
DATE: 28 JUL TIME: 730 HOURS
EXTINCTION COEFFICIENT: .64 R**2: .9925
DEP'!'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 1.00 52.48 2.00 27.55 3.00 14.46 4.00 7.59 5.00
3.98 6.00 2.09 7.00 1.10
N
DATE: 2 AUG TIME: 605 HOURS w
EXTINCTION COEFFICIENT: .68 R** 2: .9891
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 50.52 2.00 25.53 3.00 12.90 4.00 6.52 5.00
3.29
DATE: 2 AUG TIME: 755 HOURS
EXTINCTION COEFFICIENT: .82 R**2: .9901
DEPTH % SUR F. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 44.01 2.00 19.37 3.00 8.52 4.00 3.75 5.00
1.65 6.00 .73 7.00 .32 8.00 .14 9.00 .06
-
LAKE 226SW ~ ~
DATE: 2 AUG EXTINCTION COEFFICIENT: .84
TIME: R**2:
1000 HOURS .9812
I'\) I'\)
0\ (J)
:::
DEPTH 0.00 5.00
10.00
% SURF. 100.00
1.51 .02
DEPTH 1.00 6.00
% SURF. 43.23
.65
DEPTH 2.00 7.00
% SURF. 18.69
.28
DEPTH 3.00 8.00
% SURF. 8.08
.12
DEPTH 4.00 9.00
% SURF. 3.49
.05
DATE: 2 AUG EXTINCTION COEFFICIENT: .82
TIME: R**2:
1136 HOURS .9753
DEPTH 0.00 5.00
10.00
% SURF. 100.00
1.62 .03
DEPTH 1.00 6.00
% SURF. 43.85
.71
DEPTH 2.00 7.00
% SURF. 19.23
.31
DEPTH 3.00 8.00
% SURF. 8.43
.14
DEPTH 4.00 9.00
% SURF. 3.70
.06 N .po
DATE: 2 AUG EXTINCTION COEFFICIENT: .75
TIME: R** 2:
1300 HOURS .9823
DEPTH 0.00 5.00
% SURF. 100.00
2.40
DEPTH 1.00 6.00
% SURF. 47.44
1.14
DEPTH 2.00 7.00
% SURF. 22.51
.54
DEPTH 3.00 8.00
% SURF. 10.68
.26
DEPTH 4.00 9.00
% SURF. 5.07
.12
DATE: 11 AUG EX'l'INCTION COEFFICI ENT: .80
TIME: R** 2:
740 HOURS .9866
DEPTH 0.00 5.00
% SURF'. 100.00
1.87
DEPTH 1.00 6.00
% SURF. 45.12
.84
DEPTH 2.00 7.00
% SURF. 20.36
.38
DEPTH 3.00 8.00
% SURF. 9.18
.17
DEPTH 4.00 9.00
% SURF. 4.14
.08
•
-
•"
. LAKE 226SW ~ ~ N N
DATE: 31 AUG TIME: 845 HCURS 0"1 enEXTINCTION COEfFICIEN~: .63
R**2: .9936 ~
DEPTH % SURF. DEPTH % SURf. DEP'l'H % SURF. DEP'l'H % SURF.
DEPTH % SURF. 0.00 100.00 1.00 53.00 2.00 28.09 3.00 14.89 4.00
7.89 5.00 4.18 6.00 2.22 7.00 1.18
DATE: 2 SEP TIME: 1115 HOURS EXTINCTION COEFFICIENT: .71 R**2:
.9772
DEP'lH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.26 2.00 24.26 3.00 11.95 4.00 5.89 5.00
2.90 6.00 1.43 7.00 .70 8.00 .35 9.00 .17
DATE: 8 SEP TIME: 840 HOURS N U1 EXTINCTION COEFFICIENT: .73
R**2: .9861
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 48.13 2.00 23.16 3.00 11.15 4.00 5.36 5.00
2.58 6.00 1.24 7.00 .60 8.00 .29
DATE: 14 SEP TIME: 820 HOURS EXTINCTION COEFFICIENT: .70 R**2 :
.9913
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.68 2.00 24.69 3.00 12.26 4. 00 6.09 5.00
3.03 6.00 1.50 7.00 .75 8.00 .37
-
LAKE 226SW t-1
~ I?;j
DATE: 16 SEP EXTINCTION COEFFICIENT: .72
TIME: R**2:
740 HOURS .9910
I\) I\)
0'\ C/)
:e:
DEP'!'H 0.00 5.00
% SURF. 100.00
2.75
DEPTH 1.00 6.00
% SURF. 48.75
1.34
DEPTH 2.00 7.00
% SURF. 23.76
.65
DEPTH 3.00 8.00
% SURF. 11.58
.32
DEPTH 4.00
% SURF. 5.65
DATE: 16 SEP EXTINCTION COEFFICIENT: .75
TIME: R**2:
1100 HOURS .9855
DEPTH 0.00 5.00
% SURF. 100.00
2.30
DEPTH 1.00 6.00
% SURF. 47.02
1.08
DEPTH 2.00 7.00
% SURF. 22.11
.51
DEPTH 3.00 8.00
% SURF. 10.40
.24
DEPTH 4.00 9.00
% SURF. 4.89
.11
DATE: 22 SEP EXTINCTION COEFFICIENT: .64
TIME: R**2:
920 HOURS .9908
N 0'1
DEPTH 0.00 5.00
% SURF. 100.00
3.98
DEPTH 1.00 6.00
% SURF. 52.48 2.09
DEPTH 2.00 7.00
% SURF. 27.54 1.10
DEPTH 3.00
% SURF. 14.45
DEPTH 4.00
% SURF. 7.59
DATE: 6 OCT EXTINCTION COEFFICIENT: .70
TIME: R** 2:
935 HOURS .9962
DEPTH 0.00 5.00
% SURF. 100.00
3.03
DEPTH 1.00 6.00
% SURF. 49.69
1.51
DEPTH 2.00 7.00
% SURF. 24.70
.75
DEPTH 3.00 8.00
% SURF. 12.27
.37
DEPTH 4.00 9.00
% SURF. 6.10
.18
-
•
LAKE 226SW ~ t?j
DATE: 21 OCT EXTINCTION COEFFICIENT: .61
TIME: R**2:
1450 HOURS .9965
r\) r\)
0'1
~
DEPTH 0.00 5.00
10.00
% SURF. 100.00
4.80 .23
DEPTH 1.00 6.00
% SURF. 54.49 2.62
DEPTH 2.00 7.00
% SURF. 29.69 1.43
DEPTH 3.00 8.00
% SURF. 16.18
.78
DEPTH 4.00 9.00
% SURF. 8.82
.42
N
'"
-
LAKE 227 5 I\,)
TIME: -.]DATE: 28 APR 1000 HOURS I\,)
EXTINCTION COEFFICIENT: .94 R**2: .9985
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 39.21 2.00 15.37 3.00 6.03 4.00 2.36 5.00
.93 6.00 .36 7.00 .14
DATE: 6 MAY TIME: 820 HOURS EXTINCTION COEFFICIENT: 1.13 R**2:
.9490
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 32.41 2.00 10.51 3.00 3.41 4.00 1.10 5.00
.36 6.00 .12 7.00 .04
NDATE: 12 MAY TIME: 1015 HOURS co EXTINCTION COEFFICIENT: .93
R**2: .9983
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF • 0.00 100.00 • 50 62.69 1.00 39.30 2.00 15.44 3.00 6.07 4.00
2.38 5.00 .94 6.00 .37 7.00 .14 8.00 .06
DATE: 18 MAY TIME: 950 HOURS EXTINCTION COEFFICIENT: .94 R**2:
.9990
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 62.49 1.00 39.05 2.00 15.25 3.00 5.95 4.00
2.32 5.00 .91 6.00 .35 7.00 .14
DATE: 17 JUN TIME: 800 HOURS EXTINCTION COEFFICIENT: 1.11 R**2:
.9959
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 57.31 1.00 32.85 2.00 10.79 3.00 3.54 4.00
1.16 5.00 .38 6.00 .13
-
•
LAKE 227
§ DATE: 29 JUN TIME: 1010 HOURS N NEXTINCTION COEFFICIENT: 1.24
R**2: .9946 -.J
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 53.82 1.00 28.96 2.00 8.39 3.00 2.43 4.00 .70
5.00 .20 6.00 .06
DATE: 13 JUL TIME: 1035 HOURS
EXTINCTION COEFFICIENT: 1.12 R**2: .9760
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 57.07 1.00 32.57 2.00 10.61 3.00 3.45 4.00
1.12 5.00 .37 6.00 .12
DATE: 27 JUL TIME: 1025 HOURS
EXTINCTION COEFFICIENT: 1.32 R** 2: .9709 N ~
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF.
0.00 100.00 .50 51.60 1.00 26.62 2.00 7.09 3.00 1.89 4.00 .50
5.00 .13 6.00 .04
DATE: 10 AUG TIME: 1105 HOURS EXTINCTION COEFFICIENT: 1.22 R**2:
.9856
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 54.35 1.00 29.53 2.00 8.72 3.00 2.58 4.00 .76
5.00 .22 6.00 .07
DATE: 12 AUG TIME: 800 HOURS EXTINCTION COEFFICIENT: 1.03 R**2:
.9907
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 35.60 2.00 12.67 3.00 4.51 4.00 1.61 5.00
.57
-
LAKE 227
DATE: 25 AUG EXTINCTION COEFFICIENT: 1.30
TIME: R** 2:
935 HOURS .9703
~ ?':l t
-
LAKE 230 ~ ~ N
DATE: 29 APR ~ TIME: 840 HOURS 0
EXTINCTION COEFFICIENT: 1.27 R**2: .9927
DEPTH % SURF. DEP'I'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 1.00 2S.12 2.00 7.91 3.00 2.22 4.00 .63 5.00
.1S 6.00 .05
DATE: 11 MAY TIME: 1040 HOURS EXTINCTION COEFFICIENT: 1.18 R**
2: .9953
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 30.68 2.00 9.41 3.00 2.89 4.00 .89 5.00 .27
6.00 .OS
DATE: 25 MAY TIME: 1040 HOURS w
EXTINCTION COEFFICIENT: 1.12 R** 2: .9944
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 32.58 2.00 10.61 3.00 3.46 4.00 1.13 5.00
.37 6.00 .12 7.00 .04
DATE: 2 JUN TIME: 1005 HOURS EXTINCTION COEFFICIENT: 1.07 R**2:
.9937
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEP'I'H
% SURF. 0.00 100.00 1.00 34.33 2.00 11.79 3.00 4.05 4.00 1.39 5. 00
.48 6.00 .16 7.00 .06
-
LAKE 230 ~ ~ I\)
~ DATE: 10 JUN TIME: 1015 HOURS 0 EXTINCTION COEFFICIENT: .93
R**2: .9828
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 39.28 2.00 15.43 3.00 6.06 4.00 2.38 5.00
.94 6.00 .37 7.00 .14 8.00 .06
DATE: 24 JUN TIME: 1020 HOURS EXTINCTION COEFFICIENT: 1.04 R**2:
.9990
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 59.44 1.00 35.33 2.00 12.48 3.00 4.41 4.00
1.56 5.00 .55 6.00 .19 7.00 .07
DATE: 8 JUL TIME: 1035 HOURS w N EXTINCTION COEFFICIENT: .96
R**2: .9983
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 38.28 2.00 14.66 3.00 5.61 4.00 2.15 5.00
.82 6.00 .31 7.00 .12
DATE: 22 JUL TIME: 1010 HOURS EXTINCTION COEFFICIENT: .88 R**2:
.9975
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 64.35 1.00 41.41 2.00 17.14 3.00 7.10 4.00
2.94 5.00 1.22 6.00 .50 7.00 .21
-
•
LAKE 230 ~ p::: l;tj
DATE: 5 AUG EXTINCTION COEFFICIENT: .98
TIME: R**2:
1005 HOURS .9995
N \.N 0
DEPTH 0.00 4.00
% SURF. 100.00
1.95
DEPTH .50
5.00
% SURF. 61.12
.73
DEPTH 1.00 6.00
% SURF. 37.36
.27
DEPTH 2.00 7.00
% SURF. 13.96
.10
DEPTH 3.00 8.00
% SURF. 5.22
.04
DATE: 19 AUG EXTINCTION COEFFICIENT: .98
TIME: R**2:
1025 HOURS .9991
DEPTH 0.00 4.00
% SURF. 100.00
2.01
DEPTH .50
5.00
% SURF. 61.34
.75
DE Pl'H 1.00 6.00
% SURF. 37.63
.28
DEPTH 2.00 7.00
% SURF. 14.16
.11
DEPTH 3.00
% SURF. 5.33
DATE: 31 AUG EXTINCTION COEFFICIENT: .85
TIME: R**2:
1100 HOURS .9952
(.oJ (.oJ
DEPTH 0.00 4.00
% SURF. 100.00
3.32
DEPTH .50
5.00
% SURF. 65.32 1.42
DEPl'H 1.00 6.00
% SURF. 42.67
.60
DEPTH 2.00 7.00
% SURF. 18.21
.26
DEPTH 3.00
% SURF. 7.77
-
LAKE 239 ~ N ~DATE: 29 APR TIME: 1010 HOURS
EXTINCTION COEFFICIENT: .76 R** 2: .9960 ""
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF.
0.00 100.00 1.00 46.93 2.00 22.03 3.00 10.34 4.00 4.85 5.00 2.28
6.00 1.07 7.00 .50 8.00 .24 9.00 .11
10.00 .05
DATE: 11 MAY TIME: 1025 HOURS EXTINCTION COEFFICIENT: .75 R** 2:
.9970
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SUR F. 0.00 100.00 1.00 47.20 2.00 22.28 3.00 10.51 4.00 4.96 5.00
2.34 6.00 1.11 7.00 .52 8.00 .25 9.00 .12
w
DATE: 25 MAY TIME: 1035 HOURS ~
EXTINCTION COEFFICIENT: .75 R** 2: .9977
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.39 2.00 22.46 3.00 10.64 4.00 5.04 5.00
2.39 6.00 1.13 7.00 .54 8.00 .25 9.00 .12
10.00 .06
DATE: 2 JUN TIME: 840 HOURS EXTINCTION COEFFICIENT: .78 R** 2:
.9984
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 45.71 2.00 20.90 3.00 9.55 4.00 4.37 5.00
2.00 6.00 .91 7.00 .42 8.00 .19 9.00 .09
10.00 .04
-
LAKE 239 ~ ?
-
LAKE 239 § I\)
~DATE: 3 AUG TIME: 1000 HOURS \.D
EXTINCTION COEFFICIENT: .70 R** 2: .9977
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.69 2.00 24.69 3.00 12.27 4.00 6.10 5.00
3.03 6.00 1.51 7.00 .75 8.00 .37 9.00 .18
10.00 .09
DATE: 11 AUG TIME: 850 HOURS
EXTINCTION COEFFICIENT: .75 R**2: .9944
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.45 2.00 22.52 3.00 10.68 4.00 5.07 5.00
2.41 6.00 1.14 7.00 .54 8.00 .26 9.00 .12
10.00 .06 w 0"1
DATE: 19 AUG TIME: 1110 HOURS
EXTINCTION COEFFICIENT: .69 R**2: .9968
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 50.32 2.00 25.32 3.00 12.74 4.00 6.41 5.00
3.23 6.00 1.62 7.00 .82 8.00 .41 9.00 .21
10.00 .10
DATE: 1 SEP TIME: 1425 HOURS
EXTINCTION COEFFICIENT: .68 R** 2: .9980
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 50.43 2.00 25.43 3.00 12.82 4.00 6.47 5.00
3.26 6.00 1.64 7.00 .83 8.00 .42 9.00 .21
10.00 .11
-
LAKE 239 ~ t
-
LAKE 261
DATE: 28 APR EXTINCTION COEFFICIENT: 1.19
TIME: R**2:
840 HOURS .9960
~ g I\)
~ ~
DEPTH 0.00 5.00
% SURF. 100.00
.26
DEPTH 1.00 6.00
% SURF. 30.49
.08
DEPTH 2.00
% SURF. 9.29
DEPTH 3.00
% SURF. 2.83
DEPTH 4.00
% SURF. .86
DATE: 12 MAY EXTINCTION COEFFICIENT: 1.08
TIME: R** 2:
850 HOURS .9979
DEPTH 0.00 4.00
% SURF. 100.00
1.31
DEPTH .50
5.00
% SURF. 58.17
.44
DEPTH 1.00 6.00
% SURF. 33.83
.15
DEPTH 2.00 7.00
% SURF. 11.45
.05
DEPTH 3.00
% SURF. 3.87
DATE: 18 MAY EXTINCTION COEFFICIENT: 1.06
TIME: R**2:
825 HOURS .9970
w co
DEPTH 0.00 4.00
% SURF. 100.00
1.45
DEPTH .50
5.00
% SURF. 58.91
.50
DEPTH 1.00 6.00
% SURF. 34.70
.17
DEPTH 2.00 7.00
% SURF. 12.04
.06
DEPTH 3.00
% SURF. 4.18
DATE: 9 JUN EXTINCTION COEFFICIENT: 1.05
TIME: R**2 :
825 HOURS .9957
DEPTH 0.00 4.00
% SURF. 100.00
1.48
DEPTH .50
5.00
% SURF. 59.05
.52
DEPTH 1.00 6.00
% SURF. 34.87
.18
DEPTH 2.00 7.00
% SURF. 12.16
.06
DEPTH 3.00
% SURF. 4.24
-
•
LAKE 261
29 JUNDATE: EXTINCTION COEFFICIENT: 1.18
TIME: R** 2:
840 HOURS .9910
e '" 0'\ ~
DEPTH 0.00 4.00
% SURF. 100.00
.88
DEPTH .50
5.00
% SURF. 55.32
.27
DEPTH 1.00 6.00
% SURF. 30.60
.08
DEPTH 2.00
% SURF. 9.36
DEPTH 3.00
% SURF. 2.86
DATE: 13 JUL EXTINCTION COEFFICIENT: 1. 05
TIME: R** 2:
855 HOURS .9818
DEPTH 0.00 4.00
% SURF. 100.00
1.51
DEPTH .50
5.00
% SURF. 59.23
.53
DEPTH 1.00 6.00
% SURF. 35.08
.19
DEPTH 2.00
% SURF. 12.31
DEPTH 3.00
% SURF. 4.32
DATE: 27 JUL EXTINCTION COEFFICIENT: 1.22
TIME: R**2:
830 HOURS .9943
w 1.0
DEPTH 0.00 4.00
% SURF. 100.00
.77
DEPTH .50
5.00
% SURF. 54.43
.23
DEPTH 1.00 6.00
% SURF. 29.63
.07
DEPTH 2.00
% SURF. 8.78
DEPTH 3.00
% SURF. 2.60
DATE: 10 AUG EXTINCTION COEFFICIENT: 1.02
TIME: R** 2:
900 HOURS .9961
DEPTH 0.00 4.00
% SURF. 100.00
1.68
DEPTH .50
5.00
% SURF. 60.00
.60
DEPTH 1.00 6.00
% SURF. 36.00
.22
DEPTH 2.00
% SURF. 12.96
DEPTH 3.00
% SURF. 4.66
-
LAKE 261 § I\)
~DATE: 25 AUG TIME: 820 HOURS 0'\
EXTINCTION COEFFICIENT: 1.19 R**2: .9940
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 55.29 1.00 30.57 2.00 9.34 3.00 2.86 4.00 .87
5.00 .27 6.00 .08
DATE: 7 SEP TIME: 845 HOURS
EXTINCTION COEFFICIENT: 1.13 R**2: .9951
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 56.89 1.00 32.36 2.00 10.47 3.00 3.39 4.00
1.10 5.00 .36 6.00 .11
~DATE: 7 SEP TIME: 905 HOURS 0 EXTINCTION COEFFICIENT: 1. 25 R**
2: .9965
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 53.66 1.00 28.79 2.00 8.29 3.00 2.39 4.00 .69
5.00 .20 6.00 .06
DATE: 21 SEP TIME: 915 HOURS
EXTINCTION COEFFICIENT: 1. 26 R**2: .9954
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 53.33 1.00 28.44 2.00 8.09 3.00 2.30 4.00 .65
5.00 .19 6.00 .05
•
-
LAKE 261 § N 0'1 ....a.
DATE: 5 OC'I' TIME: 915 HOURS EXTINCTION COEFFICIENT: 1.11 R**2
: .9879
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 57.39 1.00 32.93 2.00 10.84 3.00 3.57 4.00
1.18 5.00 .39 6.00 .13
DATE: 19 OCT TIME: 915 HOURS EXTINCTION COEFFICIENT: 1. 20 R**
2: .9884
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 54.80 1.00 30.03 2.00 9.02 3.00 2.71 4.00 .81
5.00 .24
~ --'
-
LAKE 302N ~ ~ ~ 0DATE: 27 APR TIME: 800 HOURS N
EXTINCTION COEFFICIENT: .95 R** 2: .9896 ~
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 38.55 2.00 14.86 3.00 5.73 4.00 2.21 5.00
.85 6.00 .33 7.00 .13
DATE: 6 MAY TIME: 940 HOURS EXTINCTION COEFFICIENT: .76 R**2:
.9928
DEPTH % SURF. DEPTI:l % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 1.00 46.82 2.00 21.92 3.00 10.26 4.00 4.80 5.00
2.25 6.00 1.05 7.00 .49 8.00 .23
~DATE: 12 MAY TIME: 810 HOURS N EXTINCTION COEFFICIENT: .73
R**2: .9945
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 48.27 2.00 23.30 3.00 11.25 4.00 5.43 5.00
2.62 6.00 1.26 7.00 .61 8.00 .29 9.00 .14
DATE: 18 MAY TIME: 930 HOURS EXTINCTION COEFFICIENT: .68 R**2:
.9935
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DE P'l'I:l % SURF.
DEPTH % SURF. 0.00 100.00 1.00 50.70 2.00 25.70 3.00 13.03 4.00
6.61 5.00 3.35 6.00 1.70 7.00 .86 8.00 .44 9.00 .22
10.00 .11
-
•
LAKE 302N ~ f;j ~ 0
DATE: 26 MAY TIME: 805 HOURS I'\) 2:EXTINCTION COEFFICIENT: .75
R**2: .9949
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.24 2.00 22.32 3.00 10.54 4.00 4.98
5 0 00 2.35 6.00 1.11 7.00 .53 8.00 .25 9.00 .12
DATE: 9 JUN TIME: 815 HOURS EXTINCTION COEFFICIENT: .67 R**2:
.9980
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100. 00 1.00 51.04 2.00 26.05 3.00 13.30 4.00 6.79 5.00
3.46 6.00 1.77 7.00 .90 8.00 .46 9.00 .24
10.00 .12
~ w
DATE: 15 JUN TIME: 755 HOURS EXTINC'!'ION COEFFICIENT: .92 R**2:
.9607
DEP'l'H % SURF. DEPTH % SURF. DEP'!'H % SURF. DEPTH % SURF.
DEPTH % SURF. 0.00 100.00 1.00 39.99 2.00 15.99 3.00 6.40 4.00 2.56
5.00 1.02 6.00 .41
DATE: 23 JUN TIME: 1100 HOURS EXTINCTION COEFFICIENT: .66 R**2:
.9991
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 51.47 2.00 26.49 3.00 13.64 4.00 7.02 5.00
3.61 6.00 1.86 7.00 .96 8.00 .49 9.00 .25
-
LAKE 302N ~ t?:j
DA'l'E: 1 JUL EXTINCTION COEFFICIENT: .72
TIME: R**2:
915 .9982
HOURS VI 0 I\,)
2:
DEP'I'H 0.00 5.00
10.00
% SURF. 100.00
2.74 .08
DEPTH 1.00 6.00
% SURF. 48.72
1.34
DEPTH 2.00 7.00
% SURF. 23.73
.65
DEPTH 3.00 8.00
% SURF. 11.56
.32
DEPTH 4.00 9.00
% SURF. 5.63
.15
DATE: 7 JUL EXTINCTION COEFFICIENT: .75
TIME: R**2:
805 .9986
HOURS
DEPTH 0.00 5.00
% SURF. 100.00
2.29
DEPTH 1.00 6.00
% SURF. 47.00 1.08
DEPTH 2.00 7.00
% SURF. 22.09
.51
DEPTH 3.00 8.00
% SURF. 10.38
.24
DEPTH 4.00 9.00
% SURF. 4.88
.11
DATE: 27 JUL EXTINCTION COEFFICIENT: .72
TIME: R**2:
1235 .9964
HOURS
-1=>0 -1=>0
DEPTH 0.00 5.00
10.00
% SURF. 100.00
2.79 .08
DEPTH 1.00 6.00
% SURF. 48.87
1.36
DEPTH 2.00 7.00
% SURF. 23.88
.67
DEPTH 3.00 8.00
% SURF. 11.67
.33
DEPTH 4.00 9.00
% SURF. 5.70
.16
DATE: 2 AUG EXTINCTION COEFFICIENT: .66
TIME: R**2:
600 .9941
HOURS
DEPTH 0.00 5.00
% SURF. 100.00
3.67
DEPTH 1.00 6.00
% SURF. 51.64 1.90
DEPTH 2.00 7.00
% SURF. 26.67
.98
DEPTH 3.00 8.00
, SURF. 13.77
.51
DEPTH 4.00
, SURF. 7.11
-
LAKE 302N e Vol 0
DATE: 2 AUG TIME: 820 HOURS f\.) 2lEXTINCTION COEFFICIENT: .75
R**2: .9981
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.09 2.00 22.17 3.00 10.44 4.00 4.92 5.00
2.32 6.00 1. 09 7.00 .51 8.00 .24 9.00 .11
DATE: 2 AUG TIME: 1000 HOURS
EXTINCTION COEFFICIENT: .73 R**2: .9973
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 47.99 2.00 23.03 3.00 11.05 4.00 5.30 5.00
2.54 6.00 1.22 7.00 .59 8.00 .28 9.00 .13
10.00 .06
~ (J"I
DATE: 2 AUG TIME: 1155 HOURS EXTINCTION COEFFICIENT: .72 R**2:
.9947
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 48.72 2.00 23.73 3.00 11.56 4.00 5.63 5.00
2.74 6.00 1.34 7.00 .65 8.00 .32 9.00 .15
10.00 .08
DATE: 2 AUG TIME: 1325 HOURS EXTINCTION COEFFICIENT: .70 R** 2:
.9947
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.45 2.00 24.45 3.00 12.09 4.00 5.98 5.00
2.96 6.00 1.46 7.00 .72 8.00 .36 9.00 .18
10.00 .09
-
LAKE 302N ~ t:r::J
\)01
0DATE: 2 AUG TIME: 2035 HOURS I\)
2:EXTINCTION COEFFICIENT: .70 R** 2: .9970
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.81 2.00 24.81 3.00 12.35 4.00 6.15 5.00
3.06 6.00 1. 53 7.00 .76 8.00 .38
DATE: 12 AUG TIME: 915 HOURS EXTINCTION COEFFICIENT: .68 R** 2:
.9892
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 50.60 2.00 25.60 3.00 12.95 4.00 6.55 5.00
3.32 6.00 1.68 7.00 .85 8.00 .43
~ DATE: 26 AUG TIME: 905 HOURS ~ EXTINCTION COEFFICIENT: .70 R**
2: .9853
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.66 2.00 24.66 3.00 12.25 4.00 6.08 5.00
3.02 6.00 1.50 7.00 .74 8.00 .37 9.00 .18
DATE: 15 SEP TIME: 900 HOURS EXTINCTION COEFFICIENT: .67 R** 2:
.9770
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 51.05 2.00 26.06 3.00 13.30 4.00 6.79 5.00
3.47 6.00 1.77 7.00 .90 8.00 .46 9.00 .24
-
• •
LAKE 302N ~ ~ 0
DATE: 21 SEP TIME: 1210 HOURS I'V 2lEXTINCTION COEFFICIENT: .70
R** 2: .9661
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.70 2.00 24.70 3.00 12.27 4.00 6.10 5.00
3.03 6.00 1.51 7.00 .75 8.00 .37 9.00 .18
DATE: 5 OCT TIME: 900 HOURS EXTINCTION COEFFICIENT: .70 R** 2:
.9919
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 49.57 2.00 24.57 3.00 12.18 4.00 6.04 5.00
2.99 6.00 1.48
~DATE: 5 OCT TIME: 1250 HOURS ....... EXTINCTION COEFFICIENT:
.66 R** 2: .9948
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 51.68 2.00 26.71 3.00 13.81 4.00 7.14 5.00
3.69 6.00 1.91 7.00 .99 8.00 .51
DATE: 21 OCT TIME: 1330 HOURS EXTINCTION COEFFICIENT: .80 R** 2:
.9964
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 44.97 2.00 20.22 3.00 9.09 4.00 4.09 5.00
1.84 6.00 .83 7.00 .37 8.00 .17 9.00 .08
10.00 .03
-
-~
LAKE 3028 § ~ 0 NDATE: 27 APR TIME: 830 HOURS C/)
EXTINCTION COEFFICIENT: .53 R** 2: .9906
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 59.10 2.00 34.93 3.00 20.64 4.00 12.20 5.00
7.21 6.00 4.26 7.00 2.52 8.00 1.49 9.00 .88
DATE: 6 MAY TIME: 1020 HOURS EXTINCTION COEFFICIENT: .52 R** 2:
.9963
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 59.36 2.00 35.24 3.00 20.92 4.00 12.42 5.00
7.37 6.00 4.38 7.00 2.60 8.00 1.54 9.00 .92
+=DATE: 12 MAY TIME: 835 HOURS 00
EXTINCTION COEFFICIENT: .55 R** 2: .9993
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 57.48 2.00 33.04 3.00 18.99 4.00 10.91 5.00
6.27 6.00 3.61 7.00 2.07 8.00 1.19 9.00 .68
DATE: 18 MAY TIME: 955 HOURS EXTINCTION COEFFICIENT: .57 R**2:
.9992
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 56.56 2.00 31.99 3.00 18.09 4.00 10.23 5.00
5.79 6.00 3.27 7.00 1.85 8.00 1.05 9.00 .59
-
•
LAKE 3028 ~ t:o::1
v:I 0DATE: 26 MAY TIME: 845 HOURS I\)
EXTINCTION COEFFICIENT: .62 R**2: .9926 C/)
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. o. 00 100. 00 1.00 53.65 2. 00 28.78 3.00 15.44 4. 00 8.28 5.
00 4.44 6.00 2.38 7. 00 1.28 8.00 .69 9. 00 .37
DATE: 7 JUN TIME: 900 HOURS EXTINCTION COEFFICIENT: .61 R** 2:
.9561
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. O. 00 100. 00 1. 00 54.36 2~-o-o 29.55 3. 00 16.06 4. 00 8.73
5. 00 4.75 6.00 2.58 7. 00 1.40 8. 00 .76 9. 00 .41
DATE: 15 JUN TIME: 845 HOURS ~ EXTINCTION COEFFICIENT: .56 R**2:
.9836
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100. 00 1.00 57.36 2. 00 32.90 3. 00 18.87 4. 00 10.83
5. 00 6.21 6.00 3.56 7. 00 2. 04
DATE: 23 JUN TIME: 1045 HOURS EXTINCTION COEFFICIENT: .66 R**2:
.9491
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100. 00 1. 00 51.76 2. 00 26.79 3. 00 13.87 4. 00 7.18
5. 00 3.72 6.00 1.92 7. 00 1.00 8.00 .52 9. 00 .27
-
LAKE 3028 § VI 0DATE: 1 JUL TIME: 940 HOURS I\.)
EXTINCTION COEFFICIENT: .66 R**2: .9637 Cf.)
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100. 00 1.00 51.60 2.00 26.63 3.00 13.74 4.00 7.09 5.00
3.66 6.00 1.89 7.00 .97 8.00 .50 9.00 .26
DATE: 7 JUL TIME: 835 HOURS
EXTINCTION COEFFICIENT: .69 R**2: .9632
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 50.33 2.00 25.33 3.00 12.75 4.00 6.42 5.00
3.23 6.00 1.63 7.00 .82 8.00 .41 9.00 .21
U'IDATE: 21 JUL TIME: 600 HOURS 0 EXTINCTION COEFFICIENT: .65
R**2: .9751
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 52.26 2.00 27.31 3.00 14.27 4.00 7.46 5.00
3.90 6.00 2.04 7.00 1.06 8.00 .56
DATE: 21 JUL TIME: 845 HOURS
EXTINCTION COEFFICIENT: .76 R**2: .9283
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 46.80 2.00 21.90 3.00 10.25 4.00 4.80 5.00
2.25 6.00 1.05 7.00 .49 8.00 .23 9.00 .11
-
LAKE 302S ~ txJ \)J
0DATE: 21 JUL TIME: 1115 HOURS N
CI)EXTINCTION COEFFICIENT: .72 R**2: .8981
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 48.70 2.00 23.72 3.00 11.55 4.00 5.63 5.00
2.74 6.00 1.33 7.00 .65 8.00 .32 9.00 .15
DATE: 27 JUL TIME: 1245 HOURS EXTINCTION COEFFICIENT: .79 R**2:
.8612
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 45.60 2.00 20.79 3.00 9.48 4.00 4.32 5.00
1.97 6.00 .90 7.00 .41 8.00 .19 9.00 .09
(J'1
DATE: 2 AUG TIME: 550 HOURS -" EXTINCTION COEFFICIENT: .56 R**2:
.9625
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 56.94 2.00 32.42 3.00 18.46 4.00 10.51 5.00
5.99 6.00 3.41 7.00 1.94 8.00 1.11
DATE: 2 AUG TIME: 800 HOURS EXTINCTION COEFFICIENT: .67 R** 2:
.9748
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 51.16 2.00 26.17 3.00 13.39 4.00 6.85 5.00
3.50 6.00 1.79 7.00 .92 8.00 .47
-
---
LAKE 302S ~ tzj
DATE: 2 AUG EXTINCTION COEFFICIENT: .65
TIME: R**2:
945 .9680
HOURS ~ 0 I\) C/)
DEPTH 0.00 5.00
% SURF. 100.00
3.88
DEPTH 1.00 6.00
% SURF. 52.22 2.03
DEPTH 2.00 7.00
% SURF. 27.27 1.06
DEPTH 3.00 8.00
% SURF. 14.24
.55
DEPTH 4.00
% SURF. 7.43
DATE: 2 AUG EXTINCTION COEFFICIENT: .79
TIME: R** 2:
1140 .8636
HOURS
DEPTH 0.00 5.00
% SURF. 100.00
1.90
DEPTH 1.00 6.00
% SURF. 45.27
.86
DEPTH 2.00 7.00
% SURF. 20.49
.39
DEPTH 3.00 8.00
% SURF. 9.28
.18
DEPTH 4.00 9.00
% SURF. 4.20
.08
DATE: 2 AUG EXTINCTION COEFFICIENT: .76
TIME: R**2:
1305 .8573
HOURS (Jl N
DEPTH 0.00 5.00
% SURF. 100.00
2.19
DEPTH 1.00 6.00
% SURF. 46.55
1.02
DEPTH 2.00 7.00
% SURF. 21.67
.47
DEPTH 3.00 8.00
% SURF. 10.09
.22
DEPTH 4.00 9.00
% SURF. 4.70
.10
DATE: 2 AUG EXTINCTION COEFFICIENT: .56
TIME: R**2:
1620 .9830
HOURS
DEPTH 0.00 5.00
% SURF. 100.00
6.00
DEPTH 1.00 6.00
% SURF. 56.97 3.42
DEPTH 2.00 7.00
% SURF. 32.46 1.95
DEPTH 3.00
% SURF. 18.49
DEPTH 4.00
% SURF. 10.53
-
•
LAKE 3028 t-I
~ t
-
--
LAKE 302S § \>I
DATE: 21 SEP TIME: 1140 HOURS 0 I\.)
EXTINCTION COEFFICIENT: .64 R**2: .9920 Ul
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 52.62 2.00 27.69 3.00 14.57 4.00 7.67 5.00
4.03 6.00 2.12 7.00 1.12 8.00 .59 9.00 .31
DATE: 5 OCT TIME: 940 HOURS EXTINCTION COEFFICIENT: .57 R** 2:
.9954
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 56.35 2.00 31.76 3.00 17.90 4.00 10.08 5.00
5.68 6.00 3.20 7.00 1.80 8.00 1.02 9.00 .57
(J"IDATE: 21 OCT TIME: 1350 HOURS ~ EXTINCTION COEFFICIENT: .47
R**2: .9952
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 62.52 2.00 39.08 3.00 24.43 4.00 15.28 5.00
9.55 6.00 5.97 7.00 3.73 8.00 2.33 9.00 1.46
-
LAKE 303
DATE: 28 APR EXTINCTION COEFFICIENT: .76
TIME: R**2:
920 HOURS .9481
~ E:j \).l
0 \).l
DEPTH O. 00 2.70
% SURF. 100. 00
12.91
DEPTH .50
% SURF. 68.45
DEPTH 1.00
% SURF. 46.85
DEPTH 1.50
% SURF. 32.07
DEPTH 2. 00
% SURF. 21.95
DATE: 18 MAY EXTINCTION COEFFICIENT: .91
TIME: R** 2:
830 HOURS .9968
DEPTH 0.00
% SURF. 100. 00
DEPTH 1.00
% SURF. 40.26
DEPTH 2. 00
% SURF. 16.21
DEPTH % SURF. DEPTH % SURF.
DATE: 1 JUN EXTINCTION COEFFICIENT: .92
TIME: R** 2:
935 HOURS .9821 c.n c.n
DEPTH O. 00
% SURF. 100. 00
DEPTH .50
% SURF. 63.19
DEPTH 1.00
% SURF. 39.93
DEPTH 1.50
% SURF. 25.23
DEPTH 2. 00
% SURF. 15.94
DATE: 15 JUN EXTINCTION COEFFICIENT: 1.28
TIME: R** 2:
925 HOURS .9948
DEPTH 0.00
% SURF. 100. 00
DEPTH .50
% SURF. 52.68
DEPTH 1. 00
% SURF. 27.75
DEPTH 1.50
% SURF. 14.62
DEPTH 2. 00
% SURF. 7.70
DATE: 29 JUN EXTINCTION COEFFICIENT: 1.29
TIME: R** 2:
850 HOURS .9910
DEPTH 0.00
% SURF. 100. 00
DEPTH .50
% SURF. 52.35
DEPTH 1. 00
% SURF. 27.41
DEPTH 1.50
% SURF. 14.35
DEPTH 2.00
% SURF. 7.51
-
LAKE 303 ~ I;tj
~ 0
DATE: 13 JUL TIME: 830 HOURS ~
EXTINCTION COEFFICIENT: 1.07 R**2: .9441
DEP'I'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 10 0.00 .25 76.53 .50 58.57 1.00 34.30 1.50 20.09 2.00
11.77
DATE: 27 JUL TIME: 835 HOURS EXTINCTION COEFFICIENT: 1.46 R**2 :
.9830
DEPTH % SURF. DEP'I'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 .25 69.42 .50 48.19 1.00 23.22 1.50 11.19 2.00
5.39
DATE: 10 AUG TIME: 825 HOURS (J1
'" EXTINCTION COEFFICIENT: 1.62 R**2: .9885
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .25 66.66 .50 44.44 1.00 19.75 1.50 8.78
DATE: 25 AUG TIME: 845 HOURS EXTINCTION COEFFICIENT: 1.59 R** 2:
.9955
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .25 67.27 .50 45.25 1.00 20.47 1.50 9.26
DATE: 7 SEP TIME: 850 HOURS EXTINCTION COEFFICIENT: 1.53 R** 2:
.9869
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .25 68.21 .50 46.53 1. 00 21.65 1.50 10.07
•
-
LAKE 303 ~ &3 ~ 0
DATE: 28 SEP TIME: 1405 HOURS ~
EXTINCTION COEFFICIENT: 1. 23 R** 2: .9959
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .25 73.58 .50 54.14 1.00 29.31 1.50 15.87 2.00
8.59
DATE: 18 OCT TIME: 1510 HOURS EXTINCT'ION COEFFICIENT: 1. 02 R**
2: .9931
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .25 77.57 .50 60.17 1. 00 36.20 1.50 21.78 2.00
13.10
U1 "'-J
-
LAKE 304 ~ ~ t;>:j
~ 0
DATE: 28 APR TIME: 800 HOURS """' EXTINCTION COEFFICIENT: 1.05
R**2: .9970
DEP'l'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 .50 59.08 1.00 34.90 2.00 12.18 3.00 4.25 4.00
1.48 5.00 .52
DATE: 18 MAY · TIME: 750 HOURS EXTINCTION COEFFICIENT: 1.11 R**
2: .9936
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 33.01 2.00 10.89 3.00 3.60 4.00 1.19 5.00
.39
(Jl
DATE: 20 MAY TIME: 805 HOURS co EXTINCTION COEFFICIENT: 1.27
R**2: .9687
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 27.97 2.00 7.82 3.00 2.19 4.00 .61 5.00 .17
6.00 .05
DATE: 1 JUN TIME: 820 HOURS EXTINCTION COEFFICIENT: 1. 32 R**2:
.9809
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 26.66 1.50 13.76 2.00 7.11 3.00 1.89 4.00
.51 5.00 .13
-
LAKE 304 ~ t
-
LAKE 304 ~ ~ 0DATE: 10 AUG TIME: 725 HOURS ~
EXTINCTION COEFFICIENT: .99 R**2: .9765
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .25 78.16 .50 61.08 1.00 37.31 2.00 13.92 3.00
5.19 4.00 1.94 5.00 .72
DATE: 25 AUG TIME: 845 HOURS EXTINCTION COEFFICIENT: 1.43 R** 2:
.9967
DEP'!'H % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH
% SURF. 0.00 100.00 .50 48.95 1.00 23.96 2.00 5.74 3.00 1.38 5.00
.OS
0'\DATE: 7 SEP TIME: 805 HOURS a EXTINCTION COEFFICIENT: 1.56
R** 2: .9873
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 1.00 20.94 2.00 4.39 3.00 .92 4.00 .19 5.00
.04
DATE: 21 SEP TIME: SOO HOURS EXTINCTION COEFFICIENT: 1.S9 R** 2:
.9746
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 38.94 1.00 15.16 2.00 2.30 3.00 .35 4.00
.05
..
-
•
LAKE 304
§ \)J
DATE: 28 SEP TIME: 1340 HOURS 0
EX'!'INCTION COE FFICI EN'!': 1.52 R**2: .9960
~
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEP'!'H
% SURF. 0.00 100.00 .50 46.87 1.00 21.97 2.00 4.83 3.00 1.06 4.00
.23 5.00 .05
DATE: 18 OCT TIME: 1430 HOURS EXTINCTION COEFFICIENT: 1. 36
R**2: .9504
DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH % SURF. DEPTH %
SURF. 0.00 100.00 .50 50.64 1.00 25.65 2.00 6.58 3.00 1.69 4.00 .43
5.00 .11
0'1 --'
-
62
-
63
• APPENDIX II
In this appendix I the light values (as percentages of surface
irradiance) are plotted against depth (in meters). The percent
light is plotted on a logarithmic scale I the depth an a linear
scale .
•
-
64
LAKE
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LAKE 223
it
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51 51I'"IlfIB ~zz tI1fI B~1Il
~~ 51~ N:r. N~-
%% 51 .... 51 ....,f],f] CDo 1110
15:1 15:1
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+
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lH911 J)I:IJ~ OO)M3d 1~ 11 J)1:I.M1S lNJ)M)df£I
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-
67
• LAKE 224
Y.m B.B 12.B IS.B 2B.B I>£:PTH, t1ETER5
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t I~
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t
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Y.12IY.12I 8.121 12.B 16.B 2B.B DEPTtu METERS
+ RJ ++ ~ ~
++ ,.., ~ \.oJ++ I' ++ +++
++ ++
+ + +
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B.B I>EflTHt
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12.B IS.B t1ET£RS
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+
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2EI.B
-
I 68
LAKE 224
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+
4 . 111 8 . 111 12.B IS.B 2m.B OEPTHJ METERS
-
69
• LAKE 226NE
lSI ~ lSI III LD
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v ~ a:: l.o...l.o... ~ ::I~ lIl lIl-
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-
LAKE 226NE
PERCENT SURFACE L I Gw.
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IS!lSI
0.£0.£ M.M.
"DlSI :!:lIS!..... X:r ... ... D1 D1
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MIS!~ISI ..... MM
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B~ HOURS lSI [ .78 lSI El
PERCENT SURfACE LIGHT
~I Q.£M. -:!l1Sl ~
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7S:~ HOURS E .71
PERCENT SURfACE LIGHT I .1 I IB um
+
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