Full TGIF Record # 63867
Item 1 of 1
Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Honig, J. A.; Murphy, J. A.
Author Affiliation:New Jersey Agricultural Experiment Station
Title:Water temperature effect on USGA saturated hydraulic conductivity
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Meeting Info.:Salt Lake City, UT: October 31 - November 4, 1999
Source:1999 Annual Meeting Abstracts [ASA/CSSA/SSSA]. Vol. 91, 1999, p. 139.
# of Pages:1
Publishing Information:[Madison, WI]: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America
Keywords:TIC Keywords: Water; Temperatures; Saturated hydraulic conductivity; Air; Soil water content; Environmental effects
Abstract/Contents:"Variation between laboratories in saturated hydraulic conductivity (Ksat) measurements limits utility of the data. Studies determined the effect of antecedent water content of the sample and test water temperature on entrapped air and, subsequently, Ksat of a USGA sized sand. Procedures to control sample water content before saturation and water temperature were added to the USGA test protocol. Water content was controlled by draining samples to a water tension of 40-cm and drying to 30 and 70 C. Water temperatures were controlled at 6, 14, 18, 22, 26, 30, and 38 C and room temperature was 22 C. Antecedent water contents less than 0.03 m¬≥ m‚ĀĽ¬≥ decreased entrapped air during saturation and increased Ksat. Water temperature at 6 C increased Ksat by decreasing entrapped air content during the test. Greater solubility of air in water at 6 C is thought to be the reason for decreased entrapped air."
Language:English
References:0
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Honig, J. A., and J. A. Murphy. 1999. Water temperature effect on USGA saturated hydraulic conductivity. Annu. Meet. Abstr. 91:p. 139.
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