A COMPARISON OF 4 FIELD METHODS FOR MEASURING SATURATED HYDRAULIC CONDUCTIVITY

被引：0
|
作者：
DORSEY, JD
WARD, AD
FAUSEY, NR
BAIR, ES
机构：
[1] USDA ARS, SOIL DRAINAGE RES UNIT, WASHINGTON, DC 20250 USA
[2] OHIO STATE UNIV, DEPT GEOL & MINERAL, COLUMBUS, OH 43210 USA
来源：
TRANSACTIONS OF THE ASAE | 1990年 / 33卷 / 06期
关键词：
SATURATED HYDRAULIC CONDUCTIVITY MEASUREMENT; AUGER HOLE METHOD; GUELPH PERMEAMETER; PUMPING TEST METHOD; VELOCITY PERMEAMETER;
D O I：
暂无
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A comparison was made of the Guelph permeameter, the velocity permeameter, a pumping test procedure, and the auger hole method for measuring saturated hydraulic conductivity. The methods were compared on a Ravenna silt loam and a Hoytville silty clay loam. The evaluations were conducted during high water table conditions established by subirrigation. All the methods showed a wide variability in saturated hydraulic conductivity within each research plot. The pumping test, auger hole, and velocity permeameter methods provided results within similar ranges whereas the Guelph permeameter provided significantly lower estimates. Saturated hydraulic conductivity estimates for the Ravenna silt loam ranged from 0.03 to 35 mm/h with an average value of 3.4 mm/h. Estimates for the Hoytville silty clay loam ranged from 0.01 to 260 mm/h with an average value of 2.2 mm/h.
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页码：1925 / 1931
页数：7
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