FLOW PATTERNS DURING EXTENDED SATURATED FLOW IN 2, UNDISTURBED SWELLING CLAY SOILS WITH DIFFERENT MACROSTRUCTURES

被引：88

作者：

BOUMA, J

WOSTEN, JHM

机构：

来源：

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL | 1979年 / 43卷 / 01期

关键词：

D O I：

10.2136/sssaj1979.03615995004300010003x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Large, undisturbed soil columns with an average height of 30cm, a diameter of 25cm, and with 2 different types of macrostructure were sampled in moist clay soil. Type 1 had vertical wormchannels and 'rough' peds; type 2 had no worm channels and 'smooth' peds. Flow patterns were characterized by repeatedly measuring Ksat and chloride breakthrough curves. Effective pore size distributions were calculated from the latter with the Klinkenberg procedure. -from Authors

引用

页码：16 / 22

页数：7

共 24 条

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