Meta Identifier	SEC_suspsed
Type of Data	Suspended sediments, low flows, peak flows
Originator	Sonoma Ecology Center
Description	Data were collected using a continuous monitoring station at Eldridge, CA on Sonoma Creek. Trained volunteers also measured turbidity and suspended sediments using grab samples at sites throughout the watershed. Turbidity in NTUs was measured in the field using a turbidimeter. Suspended sediment concentrations (SSC) were collected during storm events and analyzed at the Eldridge Station. Peak flows were measured using calibrated, portable, hand-held, wire-weight gauges to measure stream surface height at the thalweg, and the orange peel method was used to measure stream velocity (See manual for details). Monitoring locations were selected at bridge sites, sites where landowner access is granted, and sites both in developed and undeveloped subwatersheds for comparison of data.
Area	Sonoma Creek Watershed
Metadata Date	2/25/2003
Metadata Contact	Bryan Flaig
Contact Person Primary	Rebecca Lawton
Status	complete
Request Log	Report online. Rebecca sending electronic data.
Follow Up Date Request	1/31/2003
Receipt Log	Received CD containing full report with graphs and charts, as well as raw data in Excel format for 2001 and 2002 data collected at the continuous monitoring station at Eldridge.
Follow Up Date Receipt	2/11/2003
Data Set Name	sec_turbidity01_02.xls.db, station_a_dec13_01.xls.db, station_a_feb19_02.xls.db, station_a_mar6_02.xls.db, stationa_sec01_02.xls.db, turbidity_freq_all01_02.xls.db, turbidity_freq_low01_02.xls.db
Date of Content Start	9/1/1997
Date of Content End	3/17/2002
Maint. and Update Freq.	On-going
Purpose	The purpose of the project was to analyze road-related erosion in Annadel State Park near Santa Rosa, California. Believed to contribute sediment to nearby streams, several degraded roadways were decommissioned (i.e., crossings removed, road surfaces graded to slope downhill [outsloped]), recontoured (i.e., roads removed and topography restored), or converted to narrow trails.
Data Quality Information	Collected by trained volunteers (Stream Stewards). For quality assurance, SEC staff check the volunteer's measuring technique during training and then once every month throughout the wet season.
Keywords	sediment, turbidity, remediation, road crossings, suspended sediment concentration
On Line Linkage (URL)	www.vom.com/sec
Publisher	Sonoma Ecology Center
Publication Place	Sonoma, CA
Publication Date	September, 2002
Title	Volunteer Monitoring of Suspended Sediment Concentration and Turbidity and Watershed Monitoring
Other Citation Details	available in *.pdf on the website
Contact Organization	Sonoma Ecology Center
Contact Address	205 First Street West
Contact City	Sonoma
Contact State	CA
Contact Zip Code	95476
Contact Voice Telephone	707-996-9744
Contact Fax	707-996-1744
Contact Email	sec@vom.com
Progress	complete

 
 
 

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