i12_Delta_Salinity_Contours
收藏California State Geoportal2026-03-28 收录
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https://gis.data.ca.gov/maps/1adc53539951477ba09b8b5c492b15d8
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资源简介：
Data represents maximum up-estuary intrusion of the 1 ppt salinity contour. The lines represent 1000 ppt chloride per million, measured 1½ hours after high tide. This data contains contours for 1921-1990.
提供机构：
California State Geoportal
