[1]岳大鹏,李奎,陈宝群,等.黄土洼古滑塌体引起的环境效应[J].山地学报,2014,(02):187.
 YUE Dapeng,LI Kui,CHEN Baoqun,et al.Environmental Effect Caused by PalaeoSlump of Huangtuwa[J].Mountain Research,2014,(02):187.
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黄土洼古滑塌体引起的环境效应()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2014年02期
页码:
187
栏目:
山地环境
出版日期:
2014-02-01

文章信息/Info

Title:
Environmental Effect Caused by PalaeoSlump of Huangtuwa
作者:
岳大鹏;李奎;陈宝群;刘鹏;颜艳;
陕西师范大学 旅游与环境学院,陕西 西安 710062
Author(s):
YUE Dapeng LI Kui CHEN Baoqun LIU Peng YAN Yan
College of Tourism and Environment Science, Shaanxi Normal University, Xi’an 710062, China
关键词:
古滑塌体黄土洼环境效应沉积环境天然坝系
Keywords:
palaeoslump Huangtuwa environmental effectsedimentary environmentnatural check dam system
分类号:
P931.6
文献标志码:
A
摘要:
滑塌是一种复合地质灾害,它改变地貌形态,并引起诸多环境效应。以陕北子洲县庞家沟黄土洼流域内的古滑塌体为研究对象,采用文献记载、野外调查、剖面分析等方法,对古滑塌体的形成原因、形态特征及其环境效应进行了分析。结果表明:黄土洼古滑塌体形成于1569年8月,是地震的次生灾害;古滑塌阻塞沟道,产生了侵蚀堆积地貌和堆积侵蚀地貌,塑造了平川地形,减轻了侵蚀强度;黄土洼天然坝淤地、后小滩沟和大嘴沟中,泥沙淤积后的沉积物中洪水旋回层具有"二元结构",其中"细淤泥层"对洪水具有指示作用;黄土洼天然坝淤地经过了440多年的淤积,其泥沙淤积最深厚度可达50 m,有效的阻止了水土流失,产生了积极的环境效应。研究结果为...
Abstract:
Slump is a compound geological disaster. It can change the topography and cause multiple environmental effects. Taking the palaeoslump of Huangtuwa watershed in Pangjiagou, Zizhou County of Shanxi Province,China as the study object, applying the methods of literature review, field survey and crosssection analysis, the causes, morphological characteristics and environmental effects of Huangtuwa palaeoslump are analyzed in this paper. Results show that: Huangtuwa palaeoslump occurred in August 1569, which was the secondary disaster of an earthquake; this palaeoslump, by blocking the channel, caused erosiveaccumulational and accumulationalerosive landforms, shaped plains and reduced the degree of erosion; the flood cyclothem of sediments consists of the dual structure, in which the finegrained silt layer seam is an indicator of flood, in the natural check dammed land of Huangtuwa, Houxiaotan gully and Dazui gully; after about 440 years' sediment accumulation in the national check dam of Huangtuwa, the deepest thickness can reach 50 m , which has effectively prevented water and soil loss and brought positive environmental effects. All these provide scientific bases for the comprehensive treatment of Huangtuwa pakaeoslump, protection of natural check dam system and inverting sedimentary environment in recent 500 years in the Loess Plateau.

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备注/Memo

备注/Memo:
收稿日期(Received date):2013-07-10;改回日期(Accepted): 2014-01-06。
基金项目(Foundation item):国家自然科学基金(41071012)。[Supported by National Science Foundation(41071012).]
作者简介(Biography):岳大鹏(1964-),男,陕西省兴平人,硕士生导师,博士,教授,主要从事自然地理、土壤侵蚀、土地资源与环境方面的研究。[Yue Dapeng(1964-), male, Dr, professor, engaged in the research of physical geography, soil erosion, land resources and environment science.] E-mail: yuedp@snnu.edu.cn
更新日期/Last Update: 1900-01-01