| 粉煤灰和城市污泥配施改良荒漠土壤的持水性影响研究 |
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| 引用本文： | 霍晓君,李祯,李胜荣,申俊峰,曹鑫罡.粉煤灰和城市污泥配施改良荒漠土壤的持水性影响研究[J].干旱区资源与环境,2005,19(6):168-172. |
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| 作者姓名： | 霍晓君 李祯 李胜荣 申俊峰 曹鑫罡 |
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| 作者单位： | 中国地质大学地质过程与矿产资源国家重点实验室,北京,100083;中国地质大学岩石圈构造、深部过程及探测技术教育部重点实验室,北京,100083;内蒙古包头市环境科学研究院,内蒙古,包头,014010;中国地质大学地质过程与矿产资源国家重点实验室,北京,100083;内蒙古包头市环境科学研究院,内蒙古,包头,014010 |
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| 基金项目： | 中国教育部博士点基金项目（20030491010）. |
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| 摘 要： | 本文通过模拟降雨及降雨后自然条件下的土壤表面水分蒸发,研究了粉煤灰和城市污泥改良荒漠土壤对持水性能的影响。研究结果表明,施用粉煤灰和城市污泥改良后的土壤饱和含水率比对照荒漠土壤提高了79.46%,持水时间提高14天左右。这对于在干旱缺水的荒漠地区进行植树造林,恢复生态环境,提高有限的水资源利用率,防止荒漠化的扩大具有十分重要的理论指导意义。
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| 关 键 词： | 粉煤灰 城市污泥 持水性能 荒漠土壤 |
| 文章编号： | 1003-7578（2005）06-168-05 |
| 收稿时间： | 2005-07-14 |
| 修稿时间： | 2005年7月14日 |
An Study on the Water Holding Capacity of the Soil Improved With Coal Ash and Sewage Sludge |
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| HUO Xiao-jun,Li Zhen,Li Shengrong,Shen Junfeng,Cao Xingang.An Study on the Water Holding Capacity of the Soil Improved With Coal Ash and Sewage Sludge[J].Journal of Arid Land Resources and Environment,2005,19(6):168-172. |
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| Authors: | HUO Xiao-jun Li Zhen Li Shengrong Shen Junfeng Cao Xingang |
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| Institution: | 1. Key Laboratory of Lithospheric Tectonics and Exploration; 2. Ministry of Education, China University of Geosciences, Beijing 100083, China ; 3. Baotou Environment Science Institute, Baotou 014010, Inner Mongolia, China |
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| Abstract: | To study the water–holding capacities of desert soil and the soil improved with coal ash and sewage sludge,experiments were designed to simulate rainfall and natural evaporation.The result indicatedthat the water-saturation coefficient of the improved soil was much higher than that of the desert soil(about 1.95 times) and the water-holding time of the improved soil was prolonged for 7 days more than that of the desert soil.This result is of significance theoretically in desert soil improvement for forest-planting. |
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| Keywords: | coal ash sewage sludge water-holding capacity desert soil |
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