Geophysics for the irrigation industry - National Program for ...

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Case Studies 1 & 2 – Groundwater flow C GEOPHYSICS FOR THE IRRIGATION INDUSTRY Figure 7. Site 7 ground resistivity survey, EM conductivity log, groundwater EC and interpretation showing inferred architecture of sediments and canal leakage. 130
Case Studies 1 & 2 – Groundwater flow C Conclusions We believe these two case studies outlined in this paper show that integrating a range of geophysical methods (such as ground and borehole surveys) with a re-examination of soil and regolith data have demonstrated that specific EM techniques can successfully delineate sand and gravel aquifers, clay-rich layers, and the regolithbasement interface. Where there is sufficient contrast between the ground conductivity and that of the groundwater, whether naturally occurring or present through infrastructure leakage of deliberate recharge, EM methods can also map the subsurface distribution of different groundwater masses. While acquisition of AEM data is recommended, scale, technology choice and survey design are critical. More generally, a key to the successful use of airborne geophysics for salinity and groundwater mapping and management is identification of the key management questions, integration of AEM data with appropriate hydrogeological data, and incorporation of interpretation products into hydrogeological models and broader NRM strategies. Catchment Managers will benefit from these data types, while some farm-scale benefits will also be derived. GEOPHYSICS FOR THE IRRIGATION INDUSTRY 131
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NUMBER 7 GEOPHYSICS FOR THE IRRIGAT
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IRRIGATION INSIGHTS NUMBER 7 GEOPHY
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CONTENTS CONTENTS .................
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GRAVITY............................
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Glossary GLOSSARY Aquitard A zone w
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Glossary Field capacity Gamma log G
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Glossary present in the ground. Mag
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Glossary Resistivity Roll Saturated
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Introduction 1. INTRODUCTION Why an
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Introduction alphabetic and not in
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Introduction respectively. Conducti
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Introduction 10000 conductivity (mS
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Survey Planning and interpretation
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Frequency Domain EM 3. GROUND FREQU
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Frequency Domain EM How do FDEM dev
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Frequency Domain EM How EC is deter
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Frequency Domain EM practice has be
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Frequency Domain EM Configuration H
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Frequency Domain EM GEM2 and 2H Dep
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Frequency Domain EM The DUALEM-2 an
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Frequency Domain EM Users control t
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Frequency Domain EM Figure 3.19 Jun
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Frequency Domain EM Geophex Geophex
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Frequency Domain EM Figure 3.25 GF
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Frequency Domain EM Red Dog DT Barl
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Time Domain EM have the high flying
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Time Domain EM The Geonics Protem 4
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Time Domain EM Zonge - NanoTEM Zong
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FDEM - Airborne Figure 5.1 Impulse
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FDEM - Airborne GEOPHYSICS FOR THE
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TDEM - Airborne 6. AIRBORNE TIME DO
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TDEM - Airborne Transmitter off-tim
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TDEM - Airborne GEOPHYSICS FOR THE
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TDEM - Airborne Aeroquest - Aerotem
Page 81 and 82: TDEM - Airborne GPX Hoistem GPX in
Page 83 and 84: Geoelectric techniques 7. GEOELECTR
Page 85 and 86: Geoelectric techniques GEOPHYSICS F
Page 87 and 88: Geoelectric techniques Figure 7.5 T
Page 89 and 90: Geoelectric techniques Figure 7.9 T
Page 91 and 92: Geoelectric techniques Figure 7.11
Page 97 and 98: Geoelectric techniques Zonge - GDP
Page 99 and 100: Borehole geophysics and penetromete
Page 101 and 102: Borehole geophysics and penetromete
Page 103 and 104: Other geophysical techniques Gravit
Page 105 and 106: Other geophysical techniques Potent
Page 107 and 108: Other geophysical techniques Figure
Page 109 and 110: Other geophysical techniques Figure
Page 111 and 112: Other geophysical techniques Magnet
Page 113 and 114: Other geophysical techniques USGS O
Page 115 and 116: Other geophysical techniques VLF AB
Page 117 and 118: Software 10. SOFTWARE Software for
Page 119 and 120: Software resolution of EC data. An
Page 121 and 122: Case Studies 1 & 2 - Groundwater fl
Page 125 and 126: GEOPHYSICS FOR THE IRRIGATION INDUS
Page 131: Case Studies 1 & 2 - Groundwater fl
Page 135 and 136: Case Study 3 - Canal Seepage C the
Page 137 and 138: Case Study 3 - Canal Seepage C Cana
Page 139 and 140: Case Study 3 - Canal Seepage C that
Page 141 and 142: Case Study 3 - Canal Seepage C High
Page 143 and 144: Case Study 4 - Soil Mapping 13. CAS
Page 145 and 146: Case Study 4 - Soil Mapping GEOPHYS
Page 147 and 148: Case Study 4 - Soil Mapping High po
Page 149 and 150: Case Study 4 - Soil Mapping it was
Page 151 and 152: Case Study 4 - Soil Mapping Conclus
Page 153 and 154: References Anderson-Mayes, A.M. 200
Page 155 and 156: References Gibling, M. R. 2006. Wid
Page 157 and 158: References and interpretation of el
Page 159 and 160: Appendix 1 - Manufacturer contact d
Page 161 and 162: 159 Appendix 2 APPENDIX 2 - EQUIPME
Page 163 and 164: Appendix 2 Device Price Coverage Ra
Page 165 and 166: Development stage Device Price Cove
Page 167 and 168: Appendix 2 Manufacturer Development
Page 169 and 170: Appendix 2 Manufacturer Zonge Devel
Page 171 and 172: Development stage Production - inte
Page 173 and 174: Development stage Development but n
Page 175 and 176: Appendix 2 AIRBORNE ELECTROMAGNETIC
Page 177 and 178: Appendix 2 Development Manufacturer
Page 179 and 180: Index 176 GF Instruments44, 47, 58,
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