The Well / Aquifer Model (Initial Test Results) - 21
6.2.1 Data Groups
Raw data from the initial 25 tests on the Santa Barbara and
Silverado aquifers are shown in Appendix II. A summary of this information is
shown in Figure 16. Because of variations in test
parameters, distinct groupings of tests were selected for the regression and
correlation analyses. Seven separate groupings of the individual tests were
selected and are shown below:
Figure 16
Data Groups Used in the Regression and Correlation Analysis
| Data Group |
Explanation |
Data Records* |
| 1 |
All tests on the Santa Barbara formation |
1-7 |
| 2 |
All tests on the Silverado formation |
8-25 |
| 3 |
Silverado formation (all tests with 1800 of the screen open to flow) |
8-17, 19, 25 |
| 4 |
Silverado formation (all tests except data records 10, 11, 16) |
8,9, 12-15,
17-25 |
| 5 |
Silverado formation (all tests with 600 of the screen open to flow) |
18, 21-25 |
| 6 |
All tests on both the Santa Barbara and Silverado formations |
1-25 |
| 7 |
All tests on both the Santa Barbara and Silverado formations except data records 10, 11, 16 |
1-9, 12-15,
17-25 |
* See summery sheet (Figure 16) for identification of data records.
The data groups were chosen based on distinct test conditions such
as similar aquifer types and screen open area. Due to an unusual combination of
gravel and screen type, 3 of the 25 tests showed unstable results, (data records 10,
11, and 16). In these tests, since full development was not complete, resulting data
are not representative of the true hydraulic characteristics of the particular test.
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