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

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3-D Model of Percentage of Coarse-Grained Texture<br />

<br />

<br />

<br />

<br />

<br />

1 mi 2 <br />

<br />

<br />

).<br />

<br />

<br />

layers 4 <strong>and</strong> 5 (). In order to complete this representa-<br />

<br />

<br />

<br />

<br />

ALTITUDE, IN FEET<br />

1,000<br />

500<br />

NGVD 29<br />

-500<br />

-1,000<br />

-1,500<br />

-2,000<br />

Layer<br />

Thickness<br />

(feet)<br />

Depth to<br />

base outside<br />

Corcoran Clay<br />

(feet)<br />

Hydrogeology 29<br />

Table A3. <strong>Central</strong> <strong>Valley</strong>, California, groundwater flow model<br />

layer thicknesses <strong>and</strong> depths.<br />

<br />

<br />

Texture<br />

figure<br />

1 50 50 <br />

2 100 150 —<br />

3 150 300 <br />

4 301 <br />

5 302 <br />

6 198 500 <br />

7 250 750 —<br />

8 300 1,050 —<br />

9 350 1,400 <br />

10 400 1,800 —<br />

A Cross section along row 355<br />

A'<br />

Layer 1<br />

Layer 2<br />

Layer 3<br />

L<strong>and</strong> surface<br />

Corcoran Clay<br />

Layer 6<br />

Layer 7<br />

Layer 8<br />

Layer 9<br />

Layer 10<br />

Not in model<br />

-2,500<br />

0 30,000 60,000 90,000 120,000 150,000 180,000 210,000 240,000 270,000 300,000<br />

DISTANCE ALONG SECTION, IN FEET<br />

Figure A11. Generalized hydrogeologic section (A–A’) indicating the vertical discretization of the numerical model of the groundwaterflow<br />

system in the <strong>Central</strong> <strong>Valley</strong>, California. Line of section shown on (altitudes are along row 355; layer numbers indicate<br />

model layer).

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