| 黄土高原土壤水分资源特征 |
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| 引用本文： | 韩仕峰,李玉山,石玉洁,杨新民,张孝中,史竹叶. 黄土高原土壤水分资源特征[J]. 水土保持通报, 1990, 10(1): 36-43 |
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| 作者姓名： | 韩仕峰 李玉山 石玉洁 杨新民 张孝中 史竹叶 |
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| 作者单位： | 中国科学院水利部西北水土保持研究所;中国科学院水利部西北水土保持研究所;中国科学院水利部西北水土保持研究所;中国科学院水利部西北水土保持研究所;中国科学院水利部西北水土保持研究所;中国科学院水利部西北水土保持研究所 |
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| 摘 要： | 经58县调查,黄土高原土壤水分资源有以下特征:一、土壤持水能力高,其主体质地土壤(轻壤、中壤占80%)的田间持水量一般在19%～22%之间,居于全国中上等水平;二、土壤经常处于低储量水分状态,一般只占到田间持水量的60%～80%和43%～55.9%;三、土壤水分利用率偏低。黄土高原地区,0～5m土层的农田存有剩余有效水为463.16～413.4mm;四、生物利用干层普遍存在,有临时和永久性干层。改善土壤水分条件的措施:1.建立合理的农地、林地、草地配置区;2.建立合理的立体利用土壤水分模式;3.采取相应保墒和耕作措施。
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| 关 键 词： | 滑坡分布 谷坡稳定性 巴谢河流域 |
The Characterstics of Soil Moisture Resources on the Loess Plateau |
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| Han Shifen,Li Yushan,Shi Yujie,Yang Xingmin,Zhang Xiaozhong and Shi Zhuye. The Characterstics of Soil Moisture Resources on the Loess Plateau[J]. Bulletin of Soil and Water Conservation, 1990, 10(1): 36-43 |
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| Authors: | Han Shifen Li Yushan Shi Yujie Yang Xingmin Zhang Xiaozhong Shi Zhuye |
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| Affiliation: | Northwestern Institute of Soil and Water Conservation under the Chinese Academy of Sciences and the Ministry of Water Conservancy;Northwestern Institute of Soil and Water Conservation under the Chinese Academy of Sciences and the Ministry of Water Conservancy;Northwestern Institute of Soil and Water Conservation under the Chinese Academy of Sciences and the Ministry of Water Conservancy;Northwestern Institute of Soil and Water Conservation under the Chinese Academy of Sciences and the Ministry of Water Conservancy;Northwestern Institute of Soil and Water Conservation under the Chinese Academy of Sciences and the Ministry of Water Conservancy;Northwestern Institute of Soil and Water Conservation under the Chinese Academy of Sciences and the Ministry of Water Conservancy |
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