用~(137)Cs研究段家河流域土壤侵蚀的基本规律
文献类型：期刊论文
| 作者 | 李少龙1; 汪阳春1 ; 张信宝1; 张一云2; 白立新2; 蒋锦江2; 赵庆昌2; 刘兵2
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| 刊名 | 中国地质灾害与防治学报
 |
| 出版日期 | 1993 |
| 卷号 | 4期号:4页码:62-67 |
| 关键词 | ~(137)Cs 段家河流域 土壤侵蚀 |
| ISSN号 | 1003-8035 |
| 其他题名 | USING CAESIUM-137 TO INVESTIGATE SOIL EROSION WITHIN DUANJIA RIVER CATCHMENT |
| 通讯作者 | 李少龙 |
| 合作状况 | 国内 |
| 中文摘要 | 本文简述了选择~(137)Cs为示踪剂的主要依据和~(137)Cs含量与土壤侵蚀量的关系。描述了样品采集和测量方法。推算了段家河流域四个剖面的土壤侵蚀量,提示了该地区土壤侵蚀的基本规律。 |
| 英文摘要 | Since 1954, to use the radioactive isotop Caesium-137 as tracer to investigate a rule of soil erosion has been fast developed. This paper describes main sources about using Caesium-137 as tracer and connection between the contents of Caesium-137 and soil erosion, taking and measuring of the samples. We estimate the soil erosion of four profiles within Duanjia river catchment. The results verify:1) . The background of Caesium-137 within Duanjia river catchment is (2169. 6?38.7)Bq/m2.2) . In un-cultivated land, Caesium-137 collects in 5cm soil under land surface. It quitedecreases downwards. But the content of Caesium-137 is nearly equal in the cultivated land.3) . The law of the soil erosion is as follows: Generally, the erosion in the forest zone is negligible, The soil erosion in horizontal cultivated land where is protected well is less than 1000t/km2 . a, In the region, where was naked before 1986 but is badly covered with natual trees, the equilibration of the soil erosion is 1576.8 t/km2 . a, In area, where was bush but since 1986 is new cultivated land, the equilibration of erosion is 1905 t/km2 . a, The soil erosion in slope cultivated land is awful, it is deeply more than 2000t/ m2 . a,There is no difference on the soil erosion in cathment between middle-lower rearches of Duanjia river.4) . The soil’s piling is evident. Somewhere, there are pile and erosion. But it is neces-sary to investigate their quantities, respectively. |
| 学科主题 | 水土保持学 |
| 语种 | 中文 |
| 公开日期 | 2011-08-09 |
| 源URL | [http://192.168.143.20:8080/handle/131551/3338]  |
| 专题 | 成都山地灾害与环境研究所_成都山地所知识仓储（2009年以前） 成都山地灾害与环境研究所_山地表生过程与生态调控重点实验室 成都山地灾害与环境研究所_数字山地与遥感应用中心 |
| 作者单位 | 1.中科院成都山地灾害与环境研究所 2.四川大学 |
| 推荐引用方式 GB/T 7714 | 李少龙,汪阳春,张信宝,等. 用~(137)Cs研究段家河流域土壤侵蚀的基本规律[J]. 中国地质灾害与防治学报,1993,4(4):62-67. |
| APA | 李少龙.,汪阳春.,张信宝.,张一云.,白立新.,...&刘兵.(1993).用~(137)Cs研究段家河流域土壤侵蚀的基本规律.中国地质灾害与防治学报,4(4),62-67. |
| MLA | 李少龙,et al."用~(137)Cs研究段家河流域土壤侵蚀的基本规律".中国地质灾害与防治学报 4.4(1993):62-67. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
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