Summary appraisals of the nation's ground-water resources – Great Basin region

Eakin, Thomas E.; Price, Don; Harrill, James R.

doi:10.3133/pp813g

Cited by 23 publications

(24 citation statements)

References 8 publications

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“…Playas include (1) phreatic or wet playas and (2) vadose or dry playas. Phreatic playas are ground water discharge areas that are moist near the playa surface (Snyder 1962; Mifflin 1988). Vadose playas are often dry because depth to ground water is too deep for capillary water to reach land surface.…”

Section: Introductionmentioning

confidence: 99%

Revisiting a Classification Scheme for U.S.‐Mexico Alluvial Basin‐Fill Aquifers

Hibbs

Darling

2005

Groundwater

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Intermontane basins in the Trans-Pecos region of westernmost Texas and northern Chihuahua, Mexico, are target areas for disposal of interstate municipal sludge and have been identified as possible disposal sites for low-level radioactive waste. Understanding ground water movement within and between these basins is needed to assess potential contaminant fate and movement. Four associated basin aquifers are evaluated and classified; the Red Light Draw Aquifer, the Northwest Eagle Flat Aquifer, the Southeast Eagle Flat Aquifer, and the El Cuervo Aquifer. Encompassed on all but one side by mountains and local divides, the Red Light Draw Aquifer has the Rio Grande as an outlet for both surface drainage and ground water discharge. The river juxtaposed against its southern edge, the basin is classified as a topographically open, through-flowing basin. The Northwest Eagle Flat Aquifer is classified as a topographically closed and drained basin because surface drainage is to the interior of the basin and ground water discharge occurs by interbasin ground water flow. Mountains and ground water divides encompass this basin aquifer on all sides; yet, depth to ground water in the interior of the basin is commonly >500 feet. Negligible ground water discharge within the basin indicates that ground water discharges from the basin by vertical flow and underflow to a surrounding basin or basins. The most likely mode of discharge is by vertical, cross-formational flow to underlying Permian rocks that are more porous and permeable and subsequent flow along regional flowpaths beneath local ground water divides. The Southeast Eagle Flat Aquifer is classified as a topographically open and drained basin because surface drainage and ground water discharge are to the adjacent Wildhorse Flat area. Opposite the Eagle Flat and Red Light Draw aquifers is the El Cuervo Aquifer of northern Chihuahua, Mexico. The El Cuervo Aquifer has interior drainage to Laguna El Cuervo, which is a phreatic playa that also serves as a focal point of ground water discharge. Our evidence suggests that El Cuervo Aquifer may lose a smaller portion of its discharge by interbasin ground water flow to Indian Hot Springs, near the Rio Grande. Thus, El Cuervo Aquifer is a topographically closed basin that is either partially drained if a component of its ground water discharge reaches Indian Hot Springs or undrained if all its natural ground water discharge is to Laguna El Cuervo.

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Section: Introductionmentioning

confidence: 99%

Revisiting a Classification Scheme for U.S.‐Mexico Alluvial Basin‐Fill Aquifers

Hibbs

Darling

2005

Groundwater

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“…In the semiarid southern high plains of Texas and New Mexico, USA, recharge flux approximately 2% of precipitation (Wood and Sanford 1995). In the Great basin in western United States recharge averages 3-7% of the average precipitation (Eakin et al 1976). In the semiarid Western Saudi Arabia, about 11% of precipitation can recharge groundwater (Subyani 2004).…”

Section: Groundwater Recharge Estimationmentioning

confidence: 98%

Origin and recharge estimates of groundwater in the ordos plateau, People’s Republic of China

et al. 2009

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Groundwater is a valuable resource in the semiarid Ordos Plateau region where abundant mineral resources, such as coal, natural gas, and halite, are present. With resources development, groundwater demand will increase dramatically. The origin identification and recharge estimates of groundwater are significant components of sustainable groundwater development in the Ordos Plateau. Groundwater and precipitation samples were taken and the isotopic compositions d 2 H, d 18 O, and chloride were analyzed to identify groundwater origins and to estimate recharge rates. The d 2 H and d 18 O of the groundwater show that the groundwater recharge is of meteoric origin. The chloride mass balance (CMB) method was used to quantify recharge rates of groundwater in the Ordos Plateau, which varies from 2.93 to 22.11% of the effective annual rainfall. Recharge rates estimated by CMB were compared with values obtained from other methods and were found to be in good agreement. This study can be used to develop effective programs for groundwater management and development.

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“…Rosen (1994b) provides a useful classifi cation of playa types ( Figure 10.6) by hydrological setting based on examples from the western USA, and generally applicable elsewhere, except in the fl attest of terrains which may have little surface fl ow. However, it is the interaction between groundwater and surface-water fl ows that is signifi cant, and distinguished as throughfl ow playas, recharge playas and discharge playas (modifi ed after Eakin et al, 1976). In this scheme, evaporites accumulate in the discharge playas and may form in the throughfl ow playas.…”

Section: Hydrological Settingmentioning

confidence: 99%

“…This section Figure 10.6 Hydrological classifi cation of playa types and their topographic settings (after Rosen, 1994b, modifi ed from Eakin et al, 1976). Note the position of the regional groundwater table with respect to each playa fl oor.…”

Section: Micromorphological Characteristicsmentioning

confidence: 99%

Terrestrial Evaporites

Chivas¹

2007

Geochemical Sediments and Landscapes

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Summary appraisals of the nation's ground-water resources – Great Basin region

Cited by 23 publications

References 8 publications

Revisiting a Classification Scheme for U.S.‐Mexico Alluvial Basin‐Fill Aquifers

Revisiting a Classification Scheme for U.S.‐Mexico Alluvial Basin‐Fill Aquifers

Origin and recharge estimates of groundwater in the ordos plateau, People’s Republic of China

Terrestrial Evaporites

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