San Francisco Bay/Sacramento – San Joaquin Delta Estuary (Bay-Delta) Program

DRAFT TECHNICAL REPORT ON THE SCIENTIFIC BASIS FOR ALTERNATIVE SAN JOAQUIN RIVER FLOW AND SOUTHERN DELTA SALINITY OBJECTIVES

Salinity Data

Salinity data used for the regression analysis in Section 4 of the draft technical report were obtained as follows:

San Joaquin River at Vernalis
All salinity data for Vernalis is available from CDEC (station VER). Hourly data is available for January 1993 through July 1999, and daily data is available for August 1999 through December 2009.

San Joaquin River at Brandt Bridge and Old River at Tracy Blvd.
From January 1993 through February 2005 daily salinity data was obtained from WRO Order 2006-0006 Exhibit WR-8 (DWR sources). From August 2006 to December 2009 daily salinity data from CDEC was available (stations BDT and OLD respectively).

Old River at Middle River (Union Island)
From January 1993 through mid-August 1999 daily salinity data was obtained from WRO Order 2006-0006 Exhibit WR-8 (DWR sources). From mid-August 1999 to December 2009 daily salinity data from CDEC was available (station UNI).