CALIFORNIA STATE PARKS

.-..... _-.

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.United States Department of the Interior '. //

CALIFORNIA DEPARTMENT OF PARKS AND RECREAnON.' ..Redwood National and State Parks

1125 16th StreetArcata, California 95521IN REPLY REFER TO:

,,

June 24, 1997

Eddie MendezBarnum Timber Company1630 Highland AvenueEureka, CA 95501

Dear Mr. Mendez,

I apologize for taking so long to send this information to you. As you requested, I have includedthe most current information on our cross section surveys for Redwood Creek. We have someinformation published in technical reports from the mid to early 1980's; however, most of thatinformation is summarized in the enclosed published article on Redwood Creek.

Enclosed is a map of cross section locations on Redwood Creek. Also included are plots fromcross sections surveyed last year. For each cross section there are three graphs. The top graph isa cross section plot of the earliest cross section survey, one mid-1980's and the 1996 survey. Themiddle graph is a comparison of the streambed profile at the cross section in 1996 to the last yearsurveyed. The bottom graph is a plot of the cumulative change in mean streambed elevation. Weuse it to show trends in streambed elevation at cross sections. In general, if the plot trendsupwards the channel is infilling with sediment and if the plot trends downward it is scouring. Ihave also included a copy of an article that Mary Ann Madej and I recently published in EarthSurface Processes on a sediment wave in Redwood Creek.

I will send you copies of this years survey as soon as they are completed.

If you have any questions, please call me at 822-7611 x5443 or Mary Ann Madej at x5490.

-•

RECEIVED JUN 3 0 1997

IN REPLY REFER TO:

June 26, 1997

United States Department of the Interior

CALIFORNIA DEPARTMENT OF PARKS AND RECREATIONRedwood National and State Parks

1125 16th StreetArcata, California 95521

CALIFORNIA STATE PARKS

Eddie MendezBarnum Timber Company1630 Highland AvenueEureka, CA 95501

Dear Mr. Mendez,

We have just completed the eros:; section surveys for Redwood Creek in Redwood VaHey.Enclosed is a location map of the surveyed cross sections and three cross section plots (crosssections 34, 34a and 35). In general, it doesn't appear that a significant amount of ch'ange hasoccurred at cross sections in the valley as a result of winter high flows.

If you have any questions, please call me at 822-7611 x5443.

Sincerely,

VUi4'Vicki Ozaki

RECEIVED JUN 3 0 1997

.J

Mt

- - - Watershed Boundary

- Channel Cross Section

- - - - - Chezem Road

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Redwood Valley-__"---=~;;;;!~

Redwood Ck XIS 34

30

-E........c0 28+:ico 1996>Q)

ill - - . 1997

26

o 20 40 60 80 100

Distance (m)

Redwood Ck XIS 34

32

/

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W -....,' // 1997\-

26 ' -

24 _I------,---r---,.-~-~-__._-__,_-__r_-__r_-__r_-__,

o 20 40 60 80 100

Distance (m)

...-"".' . '-,

Redwood Ck XIS 34a

...- 32E-c 19960 30:;:; 1997co>-';)

28

o 20 40 60 80 100 120 140 160

Distance (m)

,. .

34

Redwood Ck XIS 34a

- 32E...- 1974r:::0 30 1986:oJ -co -\> .... , 1997<l> .J

ill28 \ ' ::::-- .;

o 20 40 60 80 100 120 140 160

Distance (m)

. Redwood Ck XIS 35

34

32

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m 1996>~

1997W I - -

28

604020o

26 -+--r---r---,.---,.---,.---,---.

Distance (m)

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Redwood Ck XIS 35

34

-'_.•.

32

.............

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0 30 ~-m>

JQUJ

28

1973

- - 1986

1997

604020a

26 -I----.------~-._____-r__-r____,r___,

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Park Boundary

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~24~ Channel Cro.. SectionI

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F; gure 2. Location map of channel cross sections on Redwood Creek. CA.

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Figure 2. Location map of channel cross sections on Redwood Creek, CA.

6

---..,..-----.t--------=---------_...._......T"_""~

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o 10 20 30 40 50 60 70 80 90 100

Distance from the Watershed Divide ·(kllometers)

Figure 3. Longitudinal profile of Redwood Creek showing cross section locations. major tributariesand gaging stations.

."

Redwood C~ X/S 5.......E

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W 26

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ot s ton c e (m)

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YEAR

·'

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YEAR

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YEAR

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198J198519871989199119931995

YEAR

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1983198519871989199119931995

YEAR

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YEAR

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197319751977197919811983198519871989199119931995

YEAR

,.

Redwood C~ X/S MN

-- 1981- - 1989.---- 1996

20 40 60 80 100 120

o l s ton c e (m)

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c: 31o.....,29o>m 27

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-- 1991.•••• 1996

20 40 60 80 100 120

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YEAR

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le020 "'0 60 Beo l s t. CI nee (m)

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197319751977 19791981 1983 1985 1987 1989 1991 19931995

YEAR

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19951996

20 40 60 80

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X/S 1"~

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197319751977197'" 1981 1°831985198719891991 19931995

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X/S 35

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- 1996.---- 1996

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YEAR

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( m)

YEAP

Redwood Creek

Cro.ss Section #403030

Vl...(1)

a; 29 29SE::J

iii 28 280Survey Dates >....

CIl~

7/5/82 ------ :027

... 27«8/17/81 (1)

>0.0

10/17/73 ------ .«26(1) 26 --...- ......... _-

0

12/53 c:CIlU;is

25 25

5x Vertical Exaggeration

o 6 12 18 24 30 . 36

Distance From Left Pin (meters)

. Figure. 9: Cross Section at the U.S.C.S. gaging station on .RedwoodCreek near Blue Lake. Cross sections at or above this location haveshown persistent sCour for nine years.

25

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1973- - 1985~~'996

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YEAR

, I.......

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197319851996

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YEAR

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RGd~ood Ck X/S 3432

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RGd~ood Ck X/S 34

-- 1995.---- 1996

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W -0."0

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YEAR