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

140 Groundwater Availability of the Central Valley Aquifer, California
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1 2
0 50 100 Miles
0 50 100 Kilometers
Shaded relief derived from U.S. Geological Survey
National Elevation Dataset, 2006. Albers Equal Area Conic Projection
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Fraction of total area by land-use type
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EXPLANATION
Land use—1961-68
Land use type—
1 Water
2 Urban
3 Native vegetation
4 Orchard, groves and vineyards (none shown)
5 Pasture/Hay (none shown)
6 Row crops (none shown)
7 Small grains (none shown)
8 Idle/fallow
9 Truck, nursery and berry crops
10 Citrus and subtropical
11 Field crops
12 Vineyards
13 Pasture
14 Grain and hay
15 Feed lots and diaries
16 Deciduous fruits and nuts
17 Rice
18 Cotton
19 Developed
20 Cropland and pasture (none shown)
21 Cropland (none shown)
22 Irrigated row and field crops (none shown)
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Water-balance subregion boundaries
and identifier—See table C1
Active model grid boundary—
See figure C1
Figure C8. Virtual crops for 1960 (modified with 2000 data), including pie chart of percentage of different virtual crops (sources:
California Department of Water Resources, 2000; California State University, Chico, 2003;). The water-balance subregions are described
in .
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