The digital edition of all books may be viewed on our website before purchase. Excerpt from Geohydrology of Pipe Spring National Monument Area, Northern Arizona
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Vendeur : Forgotten Books, London, Royaume-Uni
Paperback. Etat : New. Print on Demand. This book examines the relation between declining spring discharges in the Pipe Spring National Monument and local ground-water development. Ground-water elevations from wells show ground-water movement is north to south along the west side of a branch of the Sevier Fault. Faulting in the area has juxtaposed permeable water-bearing sediments and impermeable sediments along a north-south corridor. The Navaho Sandstone and Kayenta Formation are the primary water-bearing units on the west side of the fault. The semipermeable sediments of the Chinle and Moenkopi Formations on the east side of the fault inhibit ground-water movement from the west to the east side of the fault. Ground water south of Moccasin Canyon is higher in total dissolved solids than ground water north of Moccasin Canyon. A water-budget estimate for the study area indicates a storage deficit of 780 acre-feet per year. This deficit suggests that some recharge may be occurring outside the study area. Oxygen and hydrogen stable-isotope data suggest no isotopic variation in recharging waters in the study area and surrounding region. Radiocarbon and tritium activities indicate apparent ground-water ages at wells and springs are between 45 and 819 years. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N° de réf. du vendeur 9780332590363_0
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