Some morphometric properties of experimentally cratered surfaces
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Abstract
The temperature and chemical conditions (pH, gas pressure, and ion activities) in a geothermal aquifer supplying a producing bore can be calculated from the enthalpy of the total fluid (liquid + vapor) produced and chemical analyses of water and steam separated and collected at known pressures. Alternatively, if a single water phase exists in the aquifer, the complete analysis (including gases) of a sample collected from the aquifer by a downhole sampler is sufficient to determine the aquifer chemistry without a measured value of the enthalpy. The assumptions made are that the fluid is produced from a single aquifer and is homogeneous in enthalpy and chemical composition. These calculations of aquifer chemistry involving large amounts of ancillary information and many iterations require computer methods. A computer program in PL-1 to perform these calculations is available from the National Technical Information Service as document PB-219 376.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Some morphometric properties of experimentally cratered surfaces |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 2 |
| Issue | 3 |
| Year Published | 1974 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 10 p. |
| First page | 279 |
| Last page | 288 |
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