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
136 Groundwater Availability of the Central Valley Aquifer, California 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 EXPLANATION Agricultural soil classes and (capillary fringe) used in Farm Process— Sandy loam (9.1 feet) Silty clay (7.1 feet) Silt (9.3 feet) Active model boundary California Department of Water Resources water-balance subregion Figure C6. Agricultural soils for the Central Valley, California, derived from STATSGO data (U.S. Department of Agriculture Natural Resources Conservation Service, 2005b).
CUMULATIVE DEPARTURE OF PRECIPITATION, IN INCHES PER YEAR 50 40 30 20 10 0 -10 -20 -30 -40 -50 -60 -70 -80 Red Bluff Davis Fresno TIME, IN YEARS Bakersfield Pacific Decadal Oscillation (PDO) Index 24 month moving average Figure C8 4/61-3/68 EXPLANATION Annual cumulative departure of precipitation— Model Development 137 Time frame land-use maps were applied Figure C9 4/68-3/78 Figure C10 4/78-3/93 "Variable" "Variable" Dry W to Wet Dry Wet Dry Wet Dry to Wet D Wet Dry Wet et ry Dry Dry Figure C11 Figure C12 4/93-3/99 4/99-9/03 3.0 1875 1885 1895 1905 1915 1925 1935 1945 1955 1965 1975 1985 1995 2005 Figure C7. Cumulative departure of precipitation, Pacific Decadal Oscillation (PDO) Index, climate windows, and time frame land-use maps were applied. "Variable" to Dry 2.0 1.0 0.0 -1.0 -2.0 -3.0 PACIFIC DECADAL OSCILLATION (PDO) INDEX, UNITLESS
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CUMULATIVE DEPARTURE OF PRECIPITATION, IN INCHES PER YEAR<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
-10<br />
-20<br />
-30<br />
-40<br />
-50<br />
-60<br />
-70<br />
-80<br />
Red Bluff<br />
Davis<br />
Fresno<br />
TIME, IN YEARS<br />
Bakersfield<br />
Pacific Decadal Oscillation (PDO) Index<br />
24 month moving average<br />
Figure C8<br />
4/61-3/68<br />
EXPLANATION<br />
Annual cumulative departure of precipitation—<br />
Model Development 137<br />
Time frame l<strong>and</strong>-use maps were applied<br />
Figure C9<br />
4/68-3/78<br />
Figure C10<br />
4/78-3/93<br />
"Variable"<br />
"Variable"<br />
Dry W to<br />
Wet Dry Wet Dry Wet Dry<br />
to Wet D Wet Dry Wet<br />
et<br />
ry<br />
Dry<br />
Dry<br />
Figure C11 Figure C12<br />
4/93-3/99 4/99-9/03<br />
3.0<br />
1875 1885 1895 1905 1915 1925 1935 1945 1955 1965 1975 1985 1995 2005<br />
Figure C7. Cumulative departure of precipitation, Pacific Decadal Oscillation (PDO) Index, climate windows, <strong>and</strong> time frame l<strong>and</strong>-use<br />
maps were applied.<br />
"Variable"<br />
to<br />
Dry<br />
2.0<br />
1.0<br />
0.0<br />
-1.0<br />
-2.0<br />
-3.0<br />
PACIFIC DECADAL OSCILLATION (PDO) INDEX, UNITLESS
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