Field measurement of air-entry and water-entry soil water pressure heads

被引：19

作者：

Fallow, DJ ^{[1
]}

Elrick, DE ^{[1
]}

机构：

[1] UNIV GUELPH,DEPT LAND RESOURCE SCI,GUELPH,ON N1G 2W1,CANADA

来源：

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL | 1996年 / 60卷 / 04期

关键词：

D O I：

10.2136/sssaj1996.03615995006000040011x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

An effective field measurement of the air-entry and water-entry soil water pressure heads gives an improved description of the hydraulic properties of soils. One study obtained measurements of air-entry soil water pressure heads using a modified falling head infiltrometer. This study then estimated the value of the water-entry soils water pressure head from this value. Now direct field measurements of both the air-entry and water-entry soils water pressure heads can be easily obtained using an external tension bottle attached to the Guelph Pressure Infiltrometer at the conclusion of quasi-steady state infiltration readings.

引用

页码：1036 / 1039

页数：4

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