Estimation of hydraulic characteristics in the Santa Fe Group aquifer system using computer simulations of river and drain pulses in the Rio Bravo study area, near Albuquerque, New Mexico
Water-Resources Investigations Report
2001-4069
By: D.M. Roark
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Abstract
In 1997, the U.S. Geological Survey conducted a hydrologic
investigation of the surface-water/ground-water interaction of
the Rio Grande and the surrounding alluvium and the Santa Fe Group
aquifer system in an area near the Rio Bravo Bridge, south of Albu-
querque, New Mexico. A set of existing wells and new wells were
instrumented to monitor water levels in a section perpendicular to
the Rio Grande on the east side of the river. Equipment to measure
stream stage was installed at two sites--on the Albuquerque Riverside
Drain and on the Rio Grande. A short-duration river pulse and a
long-duration river pulse were used to stress the ground-water
system while the changes in water levels were monitored. A ground-
water flow-model simulation using the principle of superposition was
used to estimate the hydraulic characteristics of the local
ground-water system. Simulated horizontal hydraulic conductivities
varied from 0.03 to 100 feet per day, and vertical hydraulic
conductivities varied from 1.5 x 10-6 to 0.01 foot per day. The
specific yield of layer 1 was estimated to be 0.3. Specific storage
for layers 2 through 11 was 1.0 x 10-6. Water entering the model from
the river along a 300-foot-wide cross section during simulation of
the short-duration pulse averaged 7.46 x 10-3 cubic foot per second
and during the long-duration pulse was 1.66 x 10-3 cubic foot per
second. The average flux from the model to the drain during the
short-duration pulse was 3.18 x 10-3 cubic foot per second. The
average flux for the long-duration pulse was 7.14 x 10-3 cubic foot
per second from the drain to the model.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Estimation of hydraulic characteristics in the Santa Fe Group aquifer system using computer simulations of river and drain pulses in the Rio Bravo study area, near Albuquerque, New Mexico |
| Series title | Water-Resources Investigations Report |
| Series number | 2001-4069 |
| DOI | 10.3133/wri014069 |
| Edition | - |
| Year Published | 2001 |
| Language | ENGLISH |
| Description | 52 p. |
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