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

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CUMULATIVE CHANGE IN GROUNDWATER STORAGE, IN MILLIONS OF ACRE-FEET<br />

20<br />

0<br />

-20<br />

-40<br />

-60<br />

-80<br />

"Variable"<br />

to<br />

Dry<br />

Representative water year<br />

"Variable"<br />

to<br />

Wet<br />

Typical<br />

<br />

-<br />

<br />

<strong>and</strong> <br />

<br />

<br />

<br />

-<br />

<br />

<br />

<strong>and</strong><br />

, , <strong>and</strong> <br />

<br />

acre-ft in the mid-1990s ().<br />

Dry<br />

Development <strong>and</strong> Changes to the Hydrologic Budget 77<br />

Wet Wet<br />

WATER YEAR<br />

EXPLANATION<br />

Dry<br />

Dry Wet<br />

"Variable"<br />

to<br />

Dry<br />

1962 1964 1966 1968 1970 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994 1996 1998 2000 2002<br />

Sacramento<br />

<strong>Central</strong> <strong>Valley</strong> Overall<br />

By region<br />

Delta <strong>and</strong> Eastside Streams<br />

San Joaquin Basin<br />

Tulare Basin<br />

Figure B9. Simulated cumulative annual changes in aquifer-system storage between water years 1962 <strong>and</strong> 2003 for the <strong>Central</strong> <strong>Valley</strong>,<br />

California.<br />

<br />

-<br />

<br />

<br />

-<br />

<br />

<br />

<br />

<br />

<br />

<br />

about 5.7 million acre-ft/yr (<br />

-

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