[1]郑芳,张建军.晋西黄土残塬沟壑区土壤水分的时空变化研究[J].水土保持研究,2010,17(05):226-230.
　ZHENG Fang,ZHANG Jian-jun.Temporal and Spatial Changes of Soil Moisture in Remanent Loess Plateau Gully Region of Western Shanxi Province[J].Research of Soil and Water Conservation,2010,17(05):226-230.
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晋西黄土残塬沟壑区土壤水分的时空变化研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 17 期数: 2010年05期 页码: 226-230 栏目: 出版日期: 2010-10-20
Title:
Temporal and Spatial Changes of Soil Moisture in Remanent Loess Plateau Gully Region of Western Shanxi Province
作者:
郑芳1, 张建军1,2
1. 北京林业大学 水土保持学院, 北京 100083;
2. 水土保持与荒漠化防治教育部重点实验室, 北京 100083
Author(s):
ZHENG Fang1, ZHANG Jian-jun1,2
1. College of Soil & Water Conservation, Beijing Forestry University, Beijing 100083, China;
2. The key Laboratory for Soil & Water Conservation and Desertification Combating, Ministry of Education, Beijing 100083, China
关键词:
土壤水分; 季节变化; 垂直变化; 黄土残塬沟壑区
Keywords:
soil moisture; seasonal variation; vertical variation; remanet Loess Plateau gully region
分类号:
S152.7
摘要:
干旱半干旱黄土区土壤水分的研究对该区植被恢复与重建具有重要意义，对晋西黄土残塬沟壑区荒草坡、刺槐林地、虎榛子林地的土壤含水量进行时空变化分析后发现：不同降水年份各地类土壤含水量的季节变化和垂直变化差异显著。偏涝年各地类土壤含水量的季节变化呈凹型曲线，正常降水年各地类土壤含水量的季节变化呈W型曲线；无论偏涝年还是正常降水年，各地类生长季内土壤水分一直处于消耗状态；虎榛子林地正常降水年的土壤含水量在垂直剖面上的变化幅度远小于偏涝年，刺槐林地在正常降水年深层土壤水分的亏缺比偏涝年更大。经多重比较得出，荒草坡各层土壤含水量差异不显著，林地表层（0-20，20-40 cm）与深层（60-100 cm）土壤含水量差异显著。
Abstract:
Studying on soil moisture is of great significance for vegetation restoration and reconstruction in arid and semi-arid on the Loess Plateau.The dynamic changes of soil moisture in slope grassland, Robinia pseudoacacia forestland, Ostryopsis davidiana shrubland in remanet loess plateau gully region of western Shanxi province were analyzed. The results showed that whether seasonal or vertical variation of soil moisture, the dynamic changes of soil moisture in the study area in the rainy year (1990) were significantly different from those in the normal rainfall pattern year (1991). In the rainy year (1990) the charts of seasonal variation of soil moisture in experimental plots were concave curve, while in the normal year (1991) the charts of seasonal variation of soil moisture in experimental plots were W-shaped curve; whether in the rainy year (1990) or in the normal year (1991), the soil water contents decreased during the growing season; the vertical changes of soil moisture in Ostryopsis davidiana shrubland in the normal year (1991) were much smaller than in the rainy year (1990), and the loss of soil water in deep layers in Robinia pseudoacacia forestland was greater in the normal year (1991) than in the rainy year (1990). After multiple comparisons, differences of soil water contents among all layers in slope grassland were not significant, while differences of soil water contents between top layers (0-20,20-40 cm) and deep layers (60-100 cm) in forestland were significant.

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备注/Memo

收稿日期:2010-1-14;改回日期:2006-1-22。
基金项目:“十一五”国家科技支撑计划项目（2006BAD03A1204）
作者简介:郑芳（1983- ），女，江西上饶人，在读硕士，主要从事数字水文研究。E-mail：fang_515119@163.com
通讯作者:张建军（1964- ），男，甘肃天水人，博士，副教授，主要从事水土保持与植被恢复、水文学等研究。E-mail：zhangjianjun@bjfu.edu.cn

更新日期/Last Update: 1900-01-01