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Muldoon, Maureen A.; Madison, Frederick William, 1937-; Lowery, Birl / Variability of nitrate loading and determination of monitoring frequency for a shallow sandy aquifer, Arena, Wisconsin
[DNR-123] (1998)

Contents,   p. iii PDF (179.6 KB)


Page iii


CONTENTS
ACKNOWLEDGEMENTS                                                               ii
CONTENTS                                                                       iii
INTRODUCTION                                                                   1
     Project Background                                                        1
     Purpose and Scope                                                         1
FIELD SETTING AND METHODS                                                      2
     Geologic Setting                                                          2
     Hydrogeologic Setting                                                     3
     Site Description                                                          4
          Agricultural Management Methods                                      5
     Site Instrumentation and Data Collection                                  5
          Existing Instrumentation                                             5
          Nitrate Monitoring System                                            6
RESULTS AND DISCUSSION                                                         9
     1996 Data                                                                12
     1997 Data                                                                12
         Water Movement                                                       12
         Nitrate and Chloride Movement                                        13
              Spring 1997                                                     13
              Summer 1997                                                     15
              Fall 1997                                                       17
     1998 Data                                                                19
IMPLICATIONS FOR MONITORING                                                   21
     Recommendations                                                          23
REFERENCES                                                                    26
APPENDIX                                                                      27
     Chemistry Data                                                           28
     1996 Water-level Data                                                    37
     1997 Water-level Data                                                    52
     1998 Water-level Data                                                   150
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