Papers on Soil Water Measurement
Other Soil and Water Management Research Unit Publications
ENWATBAL energy and water balance computer program and Related Publications
NAME | SIZE | LAST MODIFIED | DESCRIPTION |
TR200TST.EXE | 55370 | 12-05-1996 3:00p | Controls TDR Multiplexer |
TR200TST.BAS | 27702 | 12-05-1996 2:59p | BASIC source code |
TR200TST.INI | 72 | 12-05-1996 1:58p | Initialization file |
TACQ.EXE | 462877 | 07-29-2001 10:37p | TDR system control program See TDR System Documentation below |
TACQbeta.EXE | 364544 | 03-03-2005 4:46p | NEW beta of TDR system control program !!!Read README.TAC before using!!! |
README.TAC | 20480 | 11-28-2005 9:01a | TACQ.EXE/TACQbeta.EXE version history |
CONT_CPN.EXE | 59718 | 12-11-1998 8:53a | Controls CPN 503DR neutron moisture gauge |
CONT_CPN.BAS | 17321 | 12-11-1998 8:51a | BASIC source code |
TDR System Documentation in Adobe PDF format below may be downloaded, then viewed and printed with the freeware
Adobe Acrobat Reader
CONTENTS
Chapter 1 QUICK-START
Chapter 2 DOCUMENTATION FOR TACQ.EXE
Chapter 3 CABLING
Chapter 4 INSTALLING PROBES and CABLES
Chapter 5 TR-200 MULTIPLEXER
Chapter 6 SOLAR POWER and POWER CONTROL Files for 12 VDC power control circuit board:
Chapter 7 PRINCIPLES and METHODS for TIME DOMAIN REFLECTOMETRY
Chapter 8 TEKTRONIX 1502 MODIFICATION for WAVEFORM OUTPUT
A PRIMER on TDR PROBE CONSTRUCTION
BUILD and USE a SHEAR for CUTTING TDR PROBE RODS
1998. Evett, S. R. Coaxial multiplexer for time domain reflectometry measurement of soil water content and bulk electrical conductivity. Trans. ASAE 41(2):361-369.
Manuscript in Adobe Pdf format (413 kb).
2000. Evett, S.R. The TACQ Program for Automatic Time Domain Reflectometry Measurements: I. Design and Operating Characteristics. Trans. ASAE vol. 43(6):1939-1946.
Manuscript in Adobe format (218 kb).
2000. Evett, S.R. The TACQ Program for Automatic Time Domain Reflectometry Measurements: II. Waveform Interpretation Methods. Trans. ASAE vol. 43(6):1947-1956.
Manuscript in Adobe format (299 kb).
1998. Evett, S. R. The TACQ program for automatic measurement of water content and bulk electrical conductivity using time domain reflectometry. ASAE Paper No. 98-3182. 30 p.
Manuscript in Adobe Pdf format (226 kb).
2005. Evett, S.R., J.A. Tolk, and T.A. Howell. TDR laboratory calibration in travel time, bulk electrical conductivity, and effective frequency. Vadose Zone Journal 4:1020-1029 (2005). Special Section: Soil Water Sensing. doi:10.2136/vzj2005.0046
Manuscript in Adobe format (77kb).
1995. Evett, S. R., Warrick, A. W., and Matthias, A. D. Wall material and capping effects on microlysimeter temperatures and evaporation. Soil Sci. Soc. Am. J. 59(2):329-336.
Manuscript in Adobe format (165 kb).
2000. Todd, R.W., S.R. Evett, T.A. Howell, and N.L. Klocke. Soil temperature and water evaporation of small steel and plastic lysimeters replaced daily. Soil Sci. vol. 165, no. 11, pp. 890-895.
Manuscript in Adobe format (457 kb).
1998. Schneider, A.D., Howell, T. A., Moustafa, A.T.A., Evett, S. R., and Abou-Zeid. W. S. A simplified weighing lysimeter for monolithic or reconstructed soils. Appl. Eng. Agric. 14(3):267-273.
Manuscript in Adobe format (3,610 kb).
1999. Evett, S. R. Energy and water balances at soil-plant-atmosphere interfaces. Chapter 5. pp. A-129 to A-184. In Malcolm E. Sumner (ed.) Handbook of Soil Science. CRC Press. 52 pp. (with errata).
Manuscript in Adobe format (1,870 kb).
2002. Schwartz, R.C., and S.R. Evett. Estimating hydraulic properties of a fine-textured soil using a disc infiltrometer. Soil Sci. Soc. Amer. J. 66(5):1409-1423.
Manuscript in Adobe format (507 kb).
1999. Evett, S. R., F. H. Peters, O. R. Jones, and P. W. Unger. Soil hydraulic conductivity and retention curves from tension infiltrometer and laboratory data. pp. 541-551. In M. Th. van Genuchten, F. J. Leij , and L. Wu (eds.), Proc. Int. Workshop Characterization and Measurement of the Hydraulic Properties of Unsaturated Porous Media.University of California, Riverside.
Manuscript in Adobe format (304 kb).
2000. Schwartz, R.C., P.W. Unger, and S.R. Evett. Land Use Effects on Soil Hydraulic Properties. Pp. 1-10 In Proceedings of the ISTRO-2000 Conference, 15th Conference of the International Soil Tillage Research Organization, July 2-7, 2000, Ft. Worth, Texas.
Manuscript in Adobe format (215 kb).