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
70 Groundwater Availability of the Central Valley Aquifer, California - - aquifer system. - permanent compaction and land subsidence, can accompany - This is discussed in more detail in the section of this report entitled “.” and and ). 1.4 million acre-ft. In dry years, about 9.0 million acre-ft of ). Intra-Annual Variations in Typical, Dry, and Wet Years - - ), (). ( - - ( - Water pumped from the aquifer system may not be - from precipitation and streams. In other areas, replenishment ).
NET MONTHLY CHANGE IN GROUNDWATER BUDGET, IN MILLIONS OF ACRE-FEET PER YEAR 5 4 3 2 1 0 -1 -2 -3 -4 -5 5 4 3 2 1 0 -1 -2 -3 -4 -5 25 20 15 10 5 0 -5 Typical Year - 1975 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Dry Year - 1990 OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP Wet Year - 1998 (Note scale change) OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP MONTH Development and Changes to the Hydrologic Budget 71 Figure B5. Monthly groundwater budget for the Central Valley for a dry year (1990), typical year (1975), and wet year (1998). Values are relative to water availability. Hence, an increase in storage is shown as a positive value. A B C EXPLANATION Net groundwater budget Specific yield and compressibility of water Elastic and inelastic matrix storage Groundwater recharge from landscape Stream interaction Pumpage
- Page 37 and 38: 0 50 100 Miles 0 50 100 Kilometers
- Page 39 and 40: A Coast Ranges Clayey lenses Fault
- Page 41 and 42: - the distribution of these pro
- Page 43 and 44: C DEPTH TO MIDPOINT OF INCREMENT, I
- Page 45 and 46: ). The southern part, referred , in
- Page 47 and 48: 3-D Model of Percentage of Coarse-G
- Page 49 and 50: A Layer 1 EXPLANATION Central Valle
- Page 51 and 52: C Layer Corcoran Clay EXPLANATION C
- Page 53 and 54: E Layer 9 EXPLANATION Central Valle
- Page 55 and 56: Geomorphic province— Basin Delta
- Page 57 and 58: San Joaquin Valley ),
- Page 59 and 60: - Water supplied from aquifers
- Page 61 and 62: C Figure A16. Continued. 3.54% 5.45
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- Page 65 and 66: CUMULATIVE DEPARTURE OF STREAMFLOW
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NET MONTHLY CHANGE IN GROUNDWATER BUDGET, IN MILLIONS OF ACRE-FEET PER YEAR<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
-1<br />
-2<br />
-3<br />
-4<br />
-5<br />
5<br />
4<br />
3<br />
2<br />
1<br />
0<br />
-1<br />
-2<br />
-3<br />
-4<br />
-5<br />
25<br />
20<br />
15<br />
10<br />
5<br />
0<br />
-5<br />
Typical Year - 1975<br />
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP<br />
Dry Year - 1990<br />
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP<br />
Wet Year - 1998 (Note scale change)<br />
OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP<br />
MONTH<br />
Development <strong>and</strong> Changes to the Hydrologic Budget 71<br />
Figure B5. Monthly groundwater budget for the <strong>Central</strong> <strong>Valley</strong> for a dry year (1990), typical year (1975), <strong>and</strong> wet year (1998). Values are<br />
relative to water availability. Hence, an increase in storage is shown as a positive value.<br />
A<br />
B<br />
C<br />
EXPLANATION<br />
Net groundwater budget<br />
Specific yield <strong>and</strong><br />
compressibility of water<br />
Elastic <strong>and</strong> inelastic<br />
matrix storage<br />
Groundwater recharge from<br />
l<strong>and</strong>scape<br />
Stream interaction<br />
Pumpage
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