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Groundwater Pumping Tests de William C. Walton

Groundwater Pumping Tests

Autor William C. Walton
en Limba Engleză Hardback – 28 feb 1990
'Groundwater Pumping Tests is a practical book details concepts, techniques, field work, case studies, and microcomputer models-information designed to improve accuracy and reliability.  Too frequently, groundwater pumping test design and analysis ignore well storage capacity, delayed gravity yield, well partial penetration, and aquitard storativity impacts without proving them negligible. As a result, erroneous conclusions are reached concerning aquifer system hydraulic characteristics, boundaries, and discontinuities. Pumping test data often is filtered arbitrarily without adequate justification in attempts to match inappropriate aquifer models and field conditions. Antecedent water level trends and water level adjustments for changes in barometric pressure and surface water stages frequently are ignored in calculating drawdown and recovery. Finally, manual graphic analysis supplemented with microcomputer programs is, to an excessive extent, being replaced by fully automatic microcomputer analysis without critical examination of interpretative methods in program algorithms and their limitations. This book will focus needed attention on the facets mentioned above.
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Specificații

ISBN-13: 9780873711081
ISBN-10: 0873711084
Pagini: 216
Dimensiuni: 152 x 229 x 15 mm
Greutate: 0.48 kg
Ediția:1
Editura: CRC Press
Colecția CRC Press
Locul publicării:Boca Raton, United States

Public țintă

Academic and Professional Practice & Development

Cuprins

1 INTRODUCTION, 2 DESIGN AND FIELD OBSERVATION, Generalized Design Features, Detailed Design with Pretest Conceptual Model, Microcomputer Programs, Analytical Equations, Example Problems, Data Collection and Processing, Drawdown and Recovery, Water Level Adjustments, 3 CONSTANT DISCHARGE TEST ANALYSIS, Analytical Models and Equations, Well Function Microcomputer Programs, Example Problem, Type Curve Matching Technique, Match Point Equations, Example Problems, Straight Line Matching Technique, Slope and Zero-Drawdown Intercept Equations, Induced-Streambed Infiltration, Microcomputer Programs, Example Problems, 4 STEP DRAWDOWN TEST ANALYSIS, Analytical Model, Well Loss Microcomputer Program, Example Problem, 5 CASE STUDIES, Nonleaky Artesian Aquifer System, Leaky Artesian Aquifer System, Water Table Aquifer System, Induced Streambed Infiltration, APPENDIX A–MICROCOMPUTER PROGRAMS, APPENDIX B–DISKETTE INSTRUCTIONS, APPENDIX C–REPRESENTATIVE HYDRAULIC CHARACTERISTICS, APPENDIX D–UNIT CONVERSION FACTORS, APPENDIX E–WELL FUNCTION AND VISCOSITY, VALUES, APPENDIX F–TYPE CURVES, References, Index

Notă biografică

William C. Walton is a semi-retired Consultant In Water Resources and resides on the banks of the Sangamon River at Mahomet, Illinois. Bill received his B.S. in Civil Engineering from Lawrence Institute of Technology in 1948 and attended Indiana University, University of Wisconsin, Ohio State University, and Boise State University. He served for 10 years as Director of the Water Resources Research Center and Professor of Geology and Geophysics at the University of Minnesota., Bill has 39 years of experience in the water resources field including 1 year with the U. S. Bureau of Reclamation, 7 years with the U. S. Geological Survey, 6 years with the Illinois State Water Survey, and 9 years with consulting companies such as Camp Dresser & McKee, Inc. and Geraghty & Miller, Inc. He was Executive Director of the Upper Mississippi River Basin Commission for 5 years. Bill has participated in water resources projects throughout the United States and Canada and in Haiti, El Salvador, Libya, and Saudi Arabia., He is an honorary Life Member and past Vice President of the National Water Well Association and a past editor of the Journal of Ground Water. Bill is past Chairman of the Ground Water Committee of the Hydraulics Division, American Society of Civil Engineers and a past member of the U. S. Geological Survey Advisory Committee on Water Data for Public Use. He is a past Consultant to the Office of Science and Technology, Washington, D. C. and an Advisor to the United States Delegation to the Coordinating Council of the International Hydrological Decade of UNESCO., Bill is the author of three books and over 70 technical papers. He served as a Visiting Scientist for the American Geophysical Union and the American Geological Institute and lectured at many universities throughout the United States.

Descriere

'Groundwater Pumping Tests is a practical book details concepts, techniques, field work, case studies, and microcomputer models-information designed to improve accuracy and reliability.