[1]邹俊亮,邵明安,龚时慧.不同植被和土壤类型下土壤水分剖面的分异[J].水土保持研究,2011,18(06):12-17.
　ZOU Jun-liang,SHAO Ming-an,GONG Shi-hui.Effects of Different Vegetation and Soil Types on Profile Variability of Soil Moisture[J].Research of Soil and Water Conservation,2011,18(06):12-17.
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不同植被和土壤类型下土壤水分剖面的分异

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年06期 页码: 12-17 栏目: 出版日期: 2011-12-20
Title:
Effects of Different Vegetation and Soil Types on Profile Variability of Soil Moisture
作者:
邹俊亮1, 邵明安2,3, 龚时慧1
1. 西北农林科技大学, 资源环境学院, 陕西, 杨陵 712100;
2. 中国科学院, 地理科学与资源研究所, 北京 100101;
3. 中国科学院, 水土保持与生态环境研究中心, 黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西, 杨陵 712100
Author(s):
ZOU Jun-liang1, SHAO Ming-an2,3, GONG Shi-hui1
1. College of Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China;
2. Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
3. Institute of Soil and Water Conservation, State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Chinese Academy of Sciences, Yangling, Shaanxi 712100, China
关键词:
土壤类型; 土壤水分; 植被类型
Keywords:
soil types; soil moisture; vegetation types
分类号:
S152.7
摘要:
为研究不同土壤类型下土壤水分的垂直分布特征及变异情况，在位于黄土高原水蚀风湿交错带的六道沟小流域选取坝淤土、黄绵土和风沙土3种土壤类型为研究对象，测定了0-600 cm土壤水分含量，利用经典统计学方法进行分析。结果表明：坝淤土土壤水分剖面呈有规律的波动型变化，黄绵土剖面土壤水分基本呈微弱的波动型变化，风沙土土壤水分剖面变化类型属于降低型；植被覆盖为柠条或小叶杨时，不同土壤类型对0-100 cm间土壤水分含量影响不明显，而对100-600 cm土壤水分含量影响显著(P<0.05)；柠条覆盖下0-600 cm平均土壤水分均呈现：黄绵土>坝淤土>风沙土，小叶杨覆盖下0-600 cm平均土壤水分均呈现：风沙土>坝淤土>黄绵土；对3种土壤类型而言，同一土壤类型下植被类型的不同主要对深层土壤水分的垂直分布产生影响，总体上，农地和草地下的土壤水分状况好于灌木和乔木。这对于指导干旱区农业生产以及植被恢复中水分的合理调控具有积极的意义。
Abstract:
In order to identify the vertical distribution and variation of soil moisture in different soil types, the soil moisture along depth of 0-600 cm profile under three soil types in the wind-water erosion crisscross region on the Loess Plateau, i.e., check dam soil, loessial soil, sandy soil, were measured and analyzed. The results showed that the soil moisture in different soil types exhibited different vertical distribution. The soil moisture in 100-600 cm was affected significantly by different soil types, and the soil moisture of 0-100 cm was affected insignificantly by soil types when they covered by Caragana Korshinskii or Populus simonii. The trend of soil moisture in 0-600 cm profile under Caragana Korshinskii was: loessial soil>check dam soil>sandy soil, while under Populus simonii the trend was: check dam soil>sandy soil>loessial soil. For the three soil types, different vegetation types mainly affected the variation of deep soil moisture. The soil moisture under farmland and herbs was better compared with that under the shrubs and trees. These results were of great importance for the proper use of water in arid and semi-arid regions.

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备注/Memo

收稿日期:2011-6-22;改回日期:2011-7-13。
基金项目:中国科学院、国家外国专家局创新团队国际合作伙伴计划项目(流域水过程模拟);国家自然科学基金项目(41071156)
作者简介:邹俊亮(1987- )，男，江西宜春人，硕士生，主要从事土壤物理研究。E-mail：jlzou@live.cn
通讯作者:邵明安(1956- )，男，湖南常德人，研究员，博士生导师，主要从事土壤物理研究。E-mail：mashao@ms.iswc.ac.cn

更新日期/Last Update: 1900-01-01