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GROUNDWATER FLUXES ACROSS INTERFACES Committee on Hydrologic Science Water Science and Technology Board Board on Atmospheric Sciences and Climate Division on Earth Life Studies Copyright 2004 by the National Academy of Sciences. All rights reserved. Printed in the United States of America Contents EXECUTIVE SUMMARY 1 1 INTRODUCTION 5 Statement of Task, 8 Basic Concepts Related to Groundwater Recharge/Discharge, 11 Overview of Methods for Estimating Recharge and Discharge, 12 Scope, 15 2 DIFFUSE AND FOCUSED RECHARGE AND DISCHARGE 16 Experimental Benchmark Sites, 17 3 INTERACTIONS OF GROUNDWATER WITH CLIMATE 32 Influence of Climate on Groundwater, 33 Influence of Groundwater on Climate, 38 Effects on Atmospheric Composition, 40 4 SPATIAL AND TEMPORAL SCALES OF RECHARGE AND DISCHARGE 42 Nexus of Technology and Need, 42 Defining of Scaling, 46 Expected Scaling Behavior of Recharge/Discharge Fluxes, 49 Strategy to Address the Issue of Scale, 49 Relation of Infiltration to Groundwater Recharge, 53 Variation of Focused and Diffuse Discharge with Measurement Scale, 54 Use of Remotely Sensed/Mapped Parameters as Surrogates for Recharge/Discharge, 55 5 FINDINGS AND RECOMMENDATIONS 56 REFERENCES 59 APPENDIX A WORKSHOP AGENDA 69 APPENDIX B HYDROGEOLOGY OF DOOR COUNTY 71 APPENDIX C AGENCY INTEREST IN GROUNDWATER FLUXES 74 APPENDIX D NATIONAL RESEARCH COUNCIL BOARD MEMBERSHIP AND STAFF 79 APPENDIX E BIOGRAPHICAL SKETCHES OF MEMBERS OF THE COMMITTEE ON HYDROLOGIC SCIENCE 83 http://mybloop.com/go/RXtufr [ Last edited by ewigkeit on 2008-12-31 at 15:25 ] |
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