Vertical Variations of Soil Water in Shrubland of Caragana Microphylla in Hilly and Gully Areas of Loess Plateau

WANG Zhen-feng; GUO Zhong-sheng; GUO Man-cai; YUAN Zhi-fa; ZHAO Long

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Vertical Variations of Soil Water in Shrubland of Caragana Microphylla in Hilly and Gully Areas of Loess Plateau

- Vertical Variations of Soil Water in Shrubland of Caragana Microphylla in Hilly and Gully Areas of Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 31, Issue 6, Pages: 71-74(2012)
- 作者机构：
  
  1. 西北农林科技大学理学院
  2. 西北农林科技大学水土保持研究所
  3. 中国科学院水利部水土保持研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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WANG Zhen-feng, GUO Zhong-sheng, GUO Man-cai, et al. Vertical Variations of Soil Water in Shrubland of Caragana Microphylla in Hilly and Gully Areas of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2012, 31(6): 71-74.
DOI：

WANG Zhen-feng, GUO Zhong-sheng, GUO Man-cai, et al. Vertical Variations of Soil Water in Shrubland of Caragana Microphylla in Hilly and Gully Areas of Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2012, 31(6): 71-74. DOI：

摘要

为了解水资源紧缺地区多年生林地的土壤水分状况

采用中子仪测定法

于2002-2006年对宁夏自治区固原市上黄生态试验站人工柠条林地(生长季4-10月)的土壤水分进行了监测。并应用隔室分析法建立了土壤水分垂直变化模型

对柠条林地土壤水分实测数据进行了拟合。分析结果表明

在参数取值特定的条件下

模型可表达试区内不同降雨条件下柠条人工林下的土壤水分垂直变化

拟合优度R

符合统计学要求

模型具有较好的应用价值。

Abstract

In order to understand the status of soil water under perennial woodlands in the water-limited regions

soil moisture were observed using the neutron probe in the soil profile under Caragana microphylla shrubs in the semi-humid region of the Loess Plateau during April to November from 2002 to 2006.A compartment model was used to study the vertical changes of soil water.The results showed that the characters of vertical variations of the moisture in the profiles were described well by the model with the specifically calibrated parameters and the goodness of fit met the statistical requirement

suggesting a great potential applicability of the model to the similar areas.

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