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
68 Groundwater Availability of the Central Valley Aquifer, California A S a c r a m e n t o V a l l e y 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 Delta S a n J o a q u i n V a l l e y EXPLANATION Estimated change in hydraulic head, predevelopment to 1961, in feet— Rise of 0 to 40 Decline from 0 to 40 Decline from 40 to 80 Decline from 80 to 120 Decline from 120 to 200 Decline from 200 to 300 Decline from 300 to 400 Decline of more than 400 Central Valley boundary Water-balance subregion Tulare Basin Figure B4. A, Estimated change in hydraulic head in upper part of the aquifer system from 1860 to 1961 (modified from Williamson and others, 1989; Bertoldi and others, 1991). B, Simulated change in hydraulic head in lower part of the aquifer system from spring 1962 to spring 2003.
B 01_01645 03b06329 02_05172 04_07807 06b12975 06_14809 Delta 07_13870 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 Figure B4. Continued. 05_10854 08_14958 09_19824 11_21412 10_25517 12_22972 14_28350 Development and Changes to the Hydrologic Budget 69 13_25144 14_30806 15_29737 Simulated change in hydraulic head, 1961 to 2003, in feet— 11_21412 16_30057 15_34255 18_33084 19_37289 19_38742 EXPLANATION Tulare Basin Rise of greater than 400 Rise of 300 to 400 Rise of 200 to 300 Rise of 120 to 200 Rise of 80 to 120 Rise of 40 to 80 Rise of 0 to 40 Decline from 0 to 40 Decline from 40 to 80 Decline from 80 to 120 Decline from 120 to 200 Decline from 200 to 300 Decline from 300 to 400 Central Valley boundary Water-balance subregion Hydrograph well and identifier See figure 13 for hydrographs 20_37212
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- Page 49 and 50: A Layer 1 EXPLANATION Central Valle
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- Page 55 and 56: Geomorphic province— Basin Delta
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B<br />
01_01645<br />
03b06329<br />
02_05172<br />
04_07807<br />
06b12975<br />
06_14809<br />
Delta<br />
07_13870<br />
0 50 100 Miles<br />
0 50 100 Kilometers<br />
Shaded relief derived from U.S. Geological Survey<br />
National Elevation Dataset, 2006. Albers Equal Area Conic Projection<br />
Figure B4. Continued.<br />
05_10854<br />
08_14958<br />
09_19824<br />
11_21412<br />
10_25517<br />
12_22972<br />
14_28350<br />
Development <strong>and</strong> Changes to the Hydrologic Budget 69<br />
13_25144<br />
14_30806<br />
15_29737<br />
Simulated change in hydraulic head,<br />
1961 to 2003, in feet—<br />
11_21412<br />
16_30057<br />
15_34255<br />
18_33084<br />
19_37289<br />
19_38742<br />
EXPLANATION<br />
Tulare<br />
Basin<br />
Rise of greater than 400<br />
Rise of 300 to 400<br />
Rise of 200 to 300<br />
Rise of 120 to 200<br />
Rise of 80 to 120<br />
Rise of 40 to 80<br />
Rise of 0 to 40<br />
Decline from 0 to 40<br />
Decline from 40 to 80<br />
Decline from 80 to 120<br />
Decline from 120 to 200<br />
Decline from 200 to 300<br />
Decline from 300 to 400<br />
<strong>Central</strong> <strong>Valley</strong> boundary<br />
Water-balance subregion<br />
Hydrograph well <strong>and</strong> identifier<br />
See figure 13 for hydrographs<br />
20_37212
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