IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
黄河中游河龙区间泥沙来源的铯-137法研究
Alternative TitleUse of Caesium-137 to Investigate Sediment Sources in the Hekouzhen-Longmen Basin of the Middle Yellow River, China
Language中文
张信宝1,2; 文安邦1; 贺秀斌1; 张一云3
1994
Source Publication中国第四纪地质与地球表层系统科学讨论会论文集
Author of Source中国地质学会
Pages8
meeting中国第四纪地质与地球表层系统科学讨论会
Conference Date1994
Conference Place郑州
Country中国
Contribution Rank1
Abstract本文通过源地土壤和河流悬移质泥沙及小流域坝库沉积泥沙137Cs含量的对比,求算黄河中游河口镇—龙门区间的沟间地、沟谷地相对产沙量。沟间地农田耕作土137Cs含量介于1.60-9.50 Bq/kg,平均值为3.41 Bq/kg,沟谷地产出泥沙基本不含137Cs(0.02Bq/kg)。大、中河流洪水悬移质泥沙和小流域坝库淤积泥沙的137Cs平均含量分别为0.74 Bq/kg和0.90Bq/kg,远低于沟间地农田耕作土的137Cs平均含量,显然沟谷地是河流泥沙的主要来源。河龙区间沟间地和沟谷地的相对产沙量分别为22%和78%。区间内大部分地区沟谷地的相对产沙量介于70%-85%之间,晋陕峡谷段沿岸地带大于85%。支流上游地区和汾河流域小于70%。
Other AbstractRelative sediment contributions of the inter-gully area and gully area in the Hekouzhen-Longmen basin of the middle Reaches of Yellow River were estimated by comparison of the 137Cs contents between the source soils, suspended sediments in the rivers and deposited sediments in the sediment trapping reservoirs in this paper. 137Cs contents of the cultivated soils in the inter-gully area ranged between 1.60 Bq/kg and 9.50 Bq/kg with a mean value of 3.41 Bq/kg, while the sediments delivering from the gully area contained little 137Cs (0.02 Bq/kg). Average 137Cs contents of the suspended sediments of floods in big and medium rivers and of the reservoir sediments in small catchments were 0.74 Bq/kg and 0.90Bq/kg, respectively, which were much lower than the mean 137Cs content of the cultivated soils. It was strongly suggested that the gully area was the main sediment source in the basin. Relative sediment contributions of the inter-gully area and gully area for the total basin were 22% and 78%, respectively, and the contribution from the gully area ranged between 70% and 85% for most of the basin, however, it was greater than 85% for the Shanxi-Shaanxi Gorge Area and less than 70% for the upper reach areas of the tributaries in the basin and for the Fenhe River Watershed.
Keyword河龙区间 沟间地 沟谷地 137Cs示踪 相对产沙量
Indexed By其他
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/31255
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
科技与合作处
Corresponding Author张信宝
Affiliation1.中国科学院水利部成都山地灾害与环境研究所,成都 610041;
2.中国科学院水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室,杨陵,陕西,712100;
3.四川大学物理与技术学院,成都 610041
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
张信宝,文安邦,贺秀斌,等. 黄河中游河龙区间泥沙来源的铯-137法研究[C]//中国地质学会,1994:8.
Files in This Item:
File Name/Size DocType Version Access License
黄河中游河龙区间泥沙来源的137Cs法研(191KB)会议论文 开放获取CC BY-NC-SAView Application Full Text
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[张信宝]'s Articles
[文安邦]'s Articles
[贺秀斌]'s Articles
Baidu academic
Similar articles in Baidu academic
[张信宝]'s Articles
[文安邦]'s Articles
[贺秀斌]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[张信宝]'s Articles
[文安邦]'s Articles
[贺秀斌]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: 黄河中游河龙区间泥沙来源的137Cs法研究.doc
Format: Microsoft Word
This file does not support browsing at this time
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.