COMPARISON OF GERMAN AND SWISS RAINFALL SIMULATORS - EXPERIMENTAL SETUP

被引：18

作者：

AUERSWALD, K

KAINZ, M

SCHRODER, D

MARTIN, W

机构：

[1] BAYER GEOL LANDESAMT, W-8000 MUNICH 40, GERMANY

[2] ABT BODENKUNDE, FACHBEREICH 3, W-5500 TRIER, GERMANY

来源：

ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE | 1992年 / 155卷 / 01期

关键词：

D O I：

10.1002/jpln.19921550102

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Rainfall simulators, that are commonly used in erosion research should produce comparable runoff and soil loss. At present five types of field rainfall simulators are used in Germany and Switzerland. The experimental setup on a Hapludalf soil site for testing these simulators and one laboratory rainfall simulator are described. Fifty rainfall simulations were carried out during two days on a homogeneous field. Hence, small deviations in slope steepness (< 2 %) resulted in 40 % deviations in the S factor of the USLE. This strong influence of slope steepness necessitates a high accuracy in the measurement of this parameter. Soil moisture during the two days was very high. This reduced slaking due to air inclusions and should have helped to detect differences in soil detachment due to the different rain structures and test procedures.

引用

页码：1 / 5

页数：5

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