| 黄河源区冻融地质作用及其生态环境地质特征 |
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| 引用本文： | 杨科元,童海奎.黄河源区冻融地质作用及其生态环境地质特征[J].甘肃地质学报,2010(1):64-66. |
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| 作者姓名： | 杨科元 童海奎 |
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| 作者单位： | 甘肃省地矿局水文地质工程地质勘察院;青海省国土资源厅; |
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| 基金项目： | 中国地质调查局“黄河源区1∶25万生态环境地质调查”项目(19991230004121) |
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| 摘 要： | 黄河源区自然地理环境特殊,冻融地质作用强烈,冻融地质现象普遍发育,以山地顶部裸岩、寒冻风化岩屑坡、山地斜坡冻融滑移、山前倾斜平原及河谷平原冻胀—融陷作用为表征,对应于源区不同的地形地貌条件和自然地理单元,呈鲜明的山地垂直分带规律和冻融荒漠化生态景观。
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| 关 键 词： | 黄河源区 冻融地质作用 生态环境地质 |
GEOLOGICAL CHARACTERISTICS OF FREEZE-THAW PROCESS AND ECO-ENVIRONMENTAL GEOLOGY OF THE YELLOW RIVER SOURCE REGION |
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| YANG Ke-yuan and Tong Hai-kui.GEOLOGICAL CHARACTERISTICS OF FREEZE-THAW PROCESS AND ECO-ENVIRONMENTAL GEOLOGY OF THE YELLOW RIVER SOURCE REGION[J].Acta Geologica Gansu,2010(1):64-66. |
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| Authors: | YANG Ke-yuan and Tong Hai-kui |
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| Institution: | 1. Institute of Hydrogeology and Engineering Geology Exploration;Gansu Provincial Bureau of Geology and Mineral Exploration and Development;Zhangye 734000;China;2. Land and Resources Bureau of Qinghai;Xining 810001;China |
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| Abstract: | In the Yellow River source region, special natural and geographical environment, strong geological action of freeze-thaw, widespread freezing and thawing of geological development, using the characterization of mountain top of the bare rock, frost weathering of debris slopes, freeze-thaw slip of mountain slopes, piedmont plains and river plain tilt frost heave-the role of financial settlement, source area corresponding to the different landscape conditions and physical geography units, showed a distinct ver... |
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| Keywords: | Yellow River Source region freeze-thaw geological process eco-environmental geology |
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