National Research Council, Natl Res Council's Ground Water Recharge Using Waters of Impaired Quality PDF

By National Research Council, Natl Res Council

ISBN-10: 0309051428

ISBN-13: 9780309051422

ISBN-10: 0585168563

ISBN-13: 9780585168562

Compiles a common advisor that would be of suggestions to federal, kingdom, and native officers and water managers as they face judgements concerning the feasibility of proposed recharge tasks. Paper.

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Html AN INTRODUCTION TO ARTIFICIAL RECHARGE 28 periodic pumping of the wells to reverse the flow and dislodge clogging materials. When recharge wells are pumped, the first water coming out typically is brown and odorous, and must be treated as wastewater or recycled through the water treatment plant. Pumping schedules may range from 20 minutes each day to a few times per year, depending on how fast recharge rates decline. If pumping does not restore recharge rates, redevelopment of the well by surging, jetting, or other conventional well development technique is necessary.

Page breaks are true to the original; line lengths, word breaks, heading styles, and other typesetting-specific formatting, however, cannot be retained, and some typographic errors may have been accidentally inserted. Please use the print version of this publication as the authoritative version for attribution. html AN INTRODUCTION TO ARTIFICIAL RECHARGE 24 vadose zone where soils generally are finer and have a greater organic matter content than in the aquifer, the flow is unsaturated, and oxygen levels vary from aerobic to anaerobic.

On the other hand, if the water table rises anywhere within the basin to within a meter of the soil surface, one can confidently predict sufficient capillary rise to maintain a higher rate of production of vegetation at the surface than would be present otherwise, especially in arid regions. The soil ecology would be similarly affected. Again, the results will be highly site specific, and whether the consequences are considered desirable or undesirable depends on the nature of the effect and the objectives of the recharge.

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Ground Water Recharge Using Waters of Impaired Quality by National Research Council, Natl Res Council

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