Ground-water levels in Arkansas, spring 1982

Edds, Joe

doi:10.3133/ofr82852

Cited by 14 publications

(1 citation statement)

References 5 publications

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“…The increased withdrawals of ground water in 1980 for crop irrigation were reflected by the lowering of ground-water levels (Edds, 1981) between March 1980 and March 1981. Declines in water levels in the alluvial aquifer, the principal source of irrigation water, ranged from 0.61 to 1.83 m. Water levels in the Sparta Sand, a supplementary-source aquifer for irrigation, declined as much as 3.05 m. The water-level changes in both aquifers between 1980 and 1981 represent a decline rate of 5 to 10 times greater than the long-term average rate.…”

Section: Arkansas Effects Of 1980 Drought On Ground-water Levels In Tmentioning

confidence: 99%

Geological Survey research, fiscal year 1981

1984

Professional Paper

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U.S. Geological Survey publications ContinuedHow to obtain publications... References cited_________ Investigations in progress____ Indexes______________Subject index________ Investigator index.. SI UNITS AND INCH-POUND SYSTEM EQUIVALENTS[SI, International System of Units, a modernized metric system of measurement. All values have been rounded to four significant digits except 0.01 bar, which is the exact equivalent of 1 kPa. Use of hectare (ha) as an alternative name for square hectometer (hm2) is restricted to measurement of land or water areas. Use of liter (L) as a special name for cubic decimeter (dm3) is restricted to the measurement of liquids and gases; no prefix other than milli should be used with liter. Metric ton (t) as a name for megagram (Mg) should be restricted to commercial usage, and no prefixes should be used with it. Note that the style of meter2 rather than square meter has been used for convenience in finding units in this (m2) hectometer2 (hm2) kilometer2 (km2) centimeter2 (cm8) decimeter2 (dm8) meter2 (m8) hectometer2 ( Any use of trade names and trademarks in this publication is for descriptive purposes only and does not constitute endorsement by the U.S. Geological Survey. VII MINERAL-RESOURCE INVESTIGATIONS UNITED STATES AND WORLD MINERAL-RESOURCE ASSESSMENTS A new genetic model for sedimentary manganese depositsMost of the world's major manganese deposits are sedimentary accumulations in shallow marine rocks. During review of the world literature on manganese deposits, W. F. Cannon and E. R. Force have found that there is a striking affinity of manganese accumulations and basal marine transgressive units. A temporal correspondence also is suggested between manganese deposits and ocean anoxic events, or, at least, between very widespread black shales and manganese accumulations. Manganiferous beds are believed to be lateral facies equivalents to marine black shales. Manganese is highly soluble in anoxic water within black shale basins but is less soluble in oxidized water. Manganese deposits form where manganese-rich anoxic water from deeper parts of basins wells up onto shelves and becomes oxidized in wave-mixed zones, thus depositing manganese. Hydraulic concentration of heavy minerals in Pleistocene glacial lake delta sandsStudies of Pleistocene glacial lake deltas by E. R. Force and B. D. Stone have shown that foreset beds in these deltas have huge volumes of sand (6 billion t in one delta complex; B. D. Stone and E. R. Force, 1980), and the potential resources of ilmenite, rutile, and other economic heavy minerals in the deltas are significant. The deltas consist predominantly of sandy, dipping foreset strata always unconformably overlain by gravelly horizontal fluvial topset beds. In Connecticut, Force and Stone found that the foresets include a number of deposits which appear to represent delta lobes and channel fills that are separated by unconformities. Foreset sands are mostly planar laminated or ripple laminated. Directional sedimentary structures show complex patterns...

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Section: Arkansas Effects Of 1980 Drought On Ground-water Levels In Tmentioning

confidence: 99%

Geological Survey research, fiscal year 1981

1984

Professional Paper

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Sustained‐Yield Ground‐Water Planning by Goal Programing

Yazdanian

Peralta

1986

Groundwater

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A method for determining a spatially distributed set of ground‐water withdrawals that maintains a regionally “optimized” potentiometric surface is presented. A goal‐programing approach, in its quadratic form, is used to minimize the sum of squares of differences between the optimized surface and a “target” potentiometric surface. Constraints on withdrawals and recharge, imposed through a two‐dimensional ground‐water flow equation, and bounds on drawdowns assure that the withdrawal strategy developed is realistic and physically feasible. Application is demonstrated using data from the Grand Prairie region of Arkansas.

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Water-resources investigations of the U.S. Geological Survey in Arkansas; fiscal years 1982 and 1983

Louthian¹

1984

Open-File Report

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Surface-water information is needed for surveillance, planning, design, hazard warning, operation, and management in water-related fields such as water supply, hydroelectric power, flood control, irrigation, bridge and culvert design, wildlife management, pollution abatement, flood-plain management, water-resources development, and waste disposal. An appropriate data base is necessary to provide this information. Objectives. Collect surface-water data to satisfy needs for current-purpose uses, such as assessment of water resources, operation of reservoirs or industries, forecasting, disposal of wastes and pollution controls, discharge data to accompany water-quality measurements, compact and legal requirements, and research or special studies. Collect data necessary for analytical studies needed to understand cause-effect relations and define the trends and statistical properties of streamflow. Approach. Standard methods of data collection will be used as described in the publication series "Techniques of Water Resources Investigations of the United States Geological Survey." Partial-record gaging will be used instead of complete-record gaging where it serves the required purpose. Progress. The statewide network of streamflow stations was continued and records were published. The network consisted of 85 stream-gaging stations (fig. 1) and stage and content records were prepared for 10 lakes and reservoirs. Data necessary to provide flood profiles of 17 sites on the Buffalo River are being collected and analyzed. Plans. Continue present network of 85 stream-gaging stations and records for 4 lakes and reservoirs. Prepare report describing Buffalo River flood profiles.

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Ground-water levels in Arkansas, spring 1982

Cited by 14 publications

References 5 publications

Geological Survey research, fiscal year 1981

Geological Survey research, fiscal year 1981

Sustained‐Yield Ground‐Water Planning by Goal Programing

Water-resources investigations of the U.S. Geological Survey in Arkansas; fiscal years 1982 and 1983

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