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Florida Keys National Marine Sanctuary Steering Committee Meeting Marathon, 2/12/2014. Water Quality Monitoring . 1 Henry Briceño and 2 Joseph N. Boyer 1=Southeast Environmental Research Center Florida International University, Miami, FL 2= Plymouth State University - PowerPoint PPT Presentation
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Florida Keys National Marine SanctuarySteering Committee Meeting
Marathon, 2/12/2014
1Henry Briceño and 2Joseph N. Boyer
1=Southeast Environmental Research Center Florida International University, Miami, FL2= Plymouth State University Center for the Environment
Water Quality Monitoring
Monitoring Water Quality in FKNMS • Establish baseline information about FKNMS waters
• Document events, both chronic and episodic
• Assess trends or changes in WQ over time • Explain causes in WQ changes (internal & external driver)
• Provide relevant information for resource management decisions • Document compliance practices (regulatory)
•Educate public & stakeholders about water quality *
As of Feb 2014
EPA developed Strategic Targets for the Water Quality Monitoring Project
…”maintain the overall water quality of the near shore and coastal waters of the FKNMS according to 2005 baseline”…
– For reef sites• chlorophyll a should be ≤ 0.35 µ l-1
• vertical attenuation coefficient Kd ≤0.2 m-1
– For all monitoring sites in FKNMS• dissolved inorganic nitrogen DIN
≤0.10 mg/l• total phosphorus, TP ≤ 0.0077 mg/l
C
DIN ≤ 0.75 μM TP ≤ 0.25 μM (0.010 ppm) (0.0077 ppm)
1995-05 1778 of 2367 (75.1%) 1042 of 1597 (65.2%) 7826 of 10254 (76.3%) 7810 of 10267 (76.1%)2006 196 of 225 (87.1%) 199 of 225 (88.4%) 432 of 990 (43.6%) 316 of 995 (31.8%)2007 198 of 226 (87.6%) 202 of 222 (91.0%) 549 of 993 (55.3%) 635 of 972 (65.3%)2008 177 of 228 (77.6%) 181 of 218 (83.0%) 836 of 1,000 (83.6%) 697 of 1,004 (69.4%)2009 208 of 228 (91.2%) 189 of 219 (86.3%) 858 of 1,003 (85.5%) 869 of 1,004 (86.6%)2010 170 of 227 (74.9%) 176 of 206 (85.4%) 843 of 1,000 (84.3%) 738 of 1,003 (73.6%)2011 146 of 215 (67.9%) 156 of 213 (73.2%) 432of 569 (75.9%) 507 of 569 (89.1%)2012 142 of 168 (84.5%) 135 of 168 (80.4%) 268 of 447 (60.0%) 368 of 447 (82.3%)2013 148 of 172 (86.0%) 115 of 172 (66.9%) 290 of 448 (64.7%) 353 of 448 (78.8%)
EPA WQPP Water Quality Targets
Reef Stations All Stations
Year CHLA ≤ 0.35 μg l-1 Kd ≤ 0.20 m-1
Compliance
Temporal tendencies and trends
0
.1
.2
.3
.4
.5
TN-S
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0
.1
.2
.3
.4
.5
TN-B
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0.01.02.03.04.05.06.07
DIN-S
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0
.005
.01
.015
.02
.025
.03
DIN-B
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0
.004
.008
.012
.016
TP-S
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0
.004
.008
.012
.016
TP-B
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
Nutrient cycles are more important than secular trend
0
1
2
3
4
5TOC-S
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0.51
1.52
2.53
3.54
TOC-B
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
3233343536373839
SAL-S
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
3233343536373839
SAL-B
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
…except for TOC and Salinity
012345678
DO-S
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
012345678
DO-B
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0
.2
.4
.6
.8
1
1.2
CHLA-S
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
DO and %DO Sat display strong system shift in 2008-2008
CHLa shift to lower levels linked to dryer regional climate (?)
0
1
2
3
4
Kd
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
0.25.5.751
1.251.51.752
Kd
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
Spatial tendencies and trends
Trend Analysis
• Simplest approach– Slope of linear regression for each variable at
each station – POR 1995-2014– Significance level set at p<0.10
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
Jan-
93
Oct
-95
Jul-9
8
Apr-0
1
Jan-
04
Oct
-06
Jul-0
9
Apr-1
2
Dec
-14
Increases in BlueDeclines in White
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
NO3 tendency
ug/l/year-0.7350.119
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
NO3 significant trend
ug/l/year-0.735-0.101
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
SRP significant trend
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
SRP tendency
ug/l/year-0.0170.138
ug/l/year0.0330.138
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
TOC significant trend
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
TOC tendency
ug/l/year-116.800
-1.406
ug/l/year-116.800-43.800
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
NO3 significant trend
ug/l/year-0.735-0.101
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
NO3 tendency
ug/l/year-0.7350.119
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
TURB significant trend
ug/l/year-109.500-36.500
24.2
24.4
24.6
24.8
25.0
25.2
25.4
25.6
25.8
-83.0 -82.5 -82.0 -81.5 -81.0 -80.5 -80.0 -79.5
TURB tendency
ug/l/year-142.350153.300
Recent achievements….
H Briceño, H, J Boyer, J Castro and P Harlem. 2013. Biogeochemical Classification of South Florida’s Estuarine and Coastal Waters. Marine Pollution Bulletin, Vol 75, Pages 187–204
Biogeochemical Segmentation of South
Florida Coastal and Estuarine Waters
Adopted by EPA and FDEP with minor changes for derivation of
Numeric Nutrient Criteria
1Henry Briceño and 2Joseph N. Boyer
1=Southeast Environmental Research Center Florida International University, Miami, FL2= Plymouth State University Center for the Environment
Thanks !!!....
Florida Keys National Marine SanctuarySteering Committee Meeting
Marathon, 2/12/2014
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