Soil Moisture Determinations Using Capacitance Probe Methodology
Figure 1. Coaxial probe configuration
Table 1. Dielectric constant of water
SYSTEM RELIABILITY AND REPEATABILITY CONSIDERATIONS
Table 2a. Statistical summaries: Preliminary tests
Table 2a. Continued
DIELECTRIC CONSTANT MEASUREMENTS
Insulated probe considerations
Table 3. Performance of insulated probes
RESULTS OF A FIELD TEST PROGRAM
Table 5. Correcting readings of insulated probes to read the same as the uninsulated readings
Table 7. Calibration run 2, GSB test site
TEST RESULTS - SR98_020019
Figure 7. Moisture content vs. elapsed days at all three depths; GSB site
Table 11. GSB test site, 6-in. depth
Table 12. GSB test site, 12-in. depth
Table 13. GSB test site, 18-in. depth
Table 13. Continued
Figure 8. Percent moisture content by volume vs. dielectric constant according to Topp et al., Roth et al., and CRREL calibration equations
Table 14. Soil moisture calculations
CONCLUSIONS AND RECOMMENDATIONS - SR98_020027
LITERATURE CITED - SR98_020028
APPENDIX A: SAMPLE CALCULATION
Raw data from the autumn RC tests Their statistical summation is also shown
Test data taken 23 September 1991
Test data taken 26 September 1991 - SR98_020032
Test data taken 26 September 1991 - SR98_020033
Statistical analysis of the performance of the four boxes with a constant known input on the end of a cable
APPENDIX B: RAW DATA FROM PROBE TESTS
Box 2. Methanol, nulled
Box 4. Distilled water, nulled
Box 3. Distilled water, not nulled
Box 3. Methanol, not nulled
Box 4. Methanol, nulled. CD = 2.29 pF
APPENDIX C: RAW DATA FROM GSB SITE FIELD TESTS
APPENDIX C. Continued - SR98_020042
APPENDIX C. Continued - SR98_020043
APPENDIX C. Continued - SR98_020044
APPENDIX C. Continued - SR98_020045
APPENDIX C. Continued - SR98_020046
APPENDIX C. Continued - SR98_020047
APPENDIX C. Continued - SR98_020048
Report Documentation Page - SR98_020049
SR98_02
Figure 1. Coaxial probe configuration
Table 1. Dielectric constant of water
SYSTEM RELIABILITY AND REPEATABILITY CONSIDERATIONS
Table 2a. Statistical summaries: Preliminary tests
Table 2a. Continued
DIELECTRIC CONSTANT MEASUREMENTS
Insulated probe considerations
Table 3. Performance of insulated probes
RESULTS OF A FIELD TEST PROGRAM
Table 5. Correcting readings of insulated probes to read the same as the uninsulated readings
Table 7. Calibration run 2, GSB test site
TEST RESULTS - SR98_020019
Figure 7. Moisture content vs. elapsed days at all three depths; GSB site
Table 11. GSB test site, 6-in. depth
Table 12. GSB test site, 12-in. depth
Table 13. GSB test site, 18-in. depth
Table 13. Continued
Figure 8. Percent moisture content by volume vs. dielectric constant according to Topp et al., Roth et al., and CRREL calibration equations
Table 14. Soil moisture calculations
CONCLUSIONS AND RECOMMENDATIONS - SR98_020027
LITERATURE CITED - SR98_020028
APPENDIX A: SAMPLE CALCULATION
Raw data from the autumn RC tests Their statistical summation is also shown
Test data taken 23 September 1991
Test data taken 26 September 1991 - SR98_020032
Test data taken 26 September 1991 - SR98_020033
Statistical analysis of the performance of the four boxes with a constant known input on the end of a cable
APPENDIX B: RAW DATA FROM PROBE TESTS
Box 2. Methanol, nulled
Box 4. Distilled water, nulled
Box 3. Distilled water, not nulled
Box 3. Methanol, not nulled
Box 4. Methanol, nulled. CD = 2.29 pF
APPENDIX C: RAW DATA FROM GSB SITE FIELD TESTS
APPENDIX C. Continued - SR98_020042
APPENDIX C. Continued - SR98_020043
APPENDIX C. Continued - SR98_020044
APPENDIX C. Continued - SR98_020045
APPENDIX C. Continued - SR98_020046
APPENDIX C. Continued - SR98_020047
APPENDIX C. Continued - SR98_020048
Report Documentation Page - SR98_020049
SR98_02