WMRU PROGRAM FILES
AND
RELATED PUBLICATIONS

These programs are provided for information purposes solely. No warranty is provided nor is any service or support for these programs intended. If using Netscape, use the Smart Download plug-in to download executable files.

 

Papers on Soil Water Measurement

Papers on Drip Irrigation and Automatic Irrigation Control Using Canopy Temperature and Time Thresholds

Other Soil and Water Management Research Unit Publications

ENWATBAL energy and water balance computer program and Related Publications

IDSfit 2.0 software - Inverse fitting of hydraulic parameters using disc infiltrometer, water characteristic, and TDR water content data.

TDR System Documentation

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:

1502CT-1.001
1502CT-A.001
1502CT-D.001

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

 

Papers on the TDR multiplexer and the TACQ program in Adobe PDF format below may be downloaded, then viewed and printed with the freeware Adobe Acrobat Reader.

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).

 

Weighing lysimetry related files in Adobe PDF format below may be downloaded, then viewed and printed with the freeware Adobe Acrobat Reader.

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).

Chapter 5, Section A - Soil Physics of the CRC Handbook of Soil Science in Adobe PDF format below may be downloaded, then viewed and printed with the freeware Adobe Acrobat Reader.

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).

Tension Infiltrometry related files in Adobe PDF format below may be downloaded, then viewed and printed with the freeware Adobe Acrobat Reader.

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).