20.07.2013 Views

Central Valley Aquifer, Chapters A and B - MAE Class Websites

Central Valley Aquifer, Chapters A and B - MAE Class Websites

Central Valley Aquifer, Chapters A and B - MAE Class Websites

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

REPORTED URBAN GROUNDWATER PUMPAGE, IN THOUSANDS OF ACRE-FEET PER YEAR<br />

2,000<br />

1,800<br />

1,600<br />

1,400<br />

1,200<br />

1,000<br />

800<br />

600<br />

400<br />

200<br />

0<br />

1961<br />

1964<br />

1967<br />

Recharge from <strong>and</strong> Discharge to the Delta<br />

<br />

<br />

<br />

<br />

(<br />

<br />

<br />

1970<br />

1973<br />

Tulare Basin<br />

San Joaquin <strong>Valley</strong><br />

Sacramento <strong>Valley</strong> <strong>and</strong> Delta<br />

1976<br />

1979<br />

Pumpage reported by U.S. Geological Survey<br />

[Williams <strong>and</strong> others, 1989](1961 to 1977) for—<br />

1982<br />

YEAR<br />

EXPLANATION<br />

1985<br />

1988<br />

1991<br />

Model Development 131<br />

<br />

<br />

<strong>and</strong> remained constant for the entire simulation period. The<br />

<br />

<br />

<br />

<br />

<br />

1994<br />

Pumpage reported by California Department of<br />

Water Resources (1961 to 2003) for—<br />

Tulare Basin<br />

San Joaquin <strong>Valley</strong><br />

Sacramento <strong>Valley</strong> <strong>and</strong> Delta<br />

Figure C4. Urban pumpage from U.S. Geological Survey <strong>and</strong> California Department of Water Resources data (C. Brush, California<br />

Department of Water Resources, written commun., February 21, 2007).<br />

1997<br />

2000<br />

2003

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!