{"id":"1d68cfe4-efd3-4e55-b695-ce5f91277df9","title":"南迦巴瓦峰地区泥石流主要特征（1984）","title_en":"Main characteristics of debris flow in Namjagbarwa area (1984)","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"该数据以excel格式存储，为南峰地区泥石流主要特征值表。","description":"南峰地区泥石流是多种自然因素组合下产生的一种自然灾害现象，它受地形、地质和气候等因素的综合影响。因此，泥石流的形成发展，充分地反映了各种自然因素的有机组合。南峰地区现代地貌过程非常活跃，冰川作用、峡谷流水作用和坡面的物理地质作用十分强烈。数据分析可以看出，由于地面急剧上升，雅鲁藏布江水系强烈的侵烛下切，大多数沟谷呈V型，短小而陡急，沟床纵比降大，上游为500‰左右，平均在400‰左右；中下游为250---300‰。这种陡峻的沟谷地形，在湍急的水流作用激发下易形成泥石流。在重力作用下沟谷内不断发生崩塌和滑坡。据调查南峰地区有利于泥石流形成的地形坡度大多在30°之上，而这个地区的沟谷上游谷坡一般可达40°—50°，最大达60°—70°，中下游谷坡亦在35°—40°之间，均有利于泥石流发育。","doi":"10.11888/Geo.tpdc.271247","projection":"","language":"zh","share_type":"online","east":96.1,"west":94.11,"south":28.5,"north":30.0,"scale":null,"crs":null,"filesize":0.3,"share_policy":"a","ts_created":"2021-04-07T21:15:34.383837+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T22:53:41.370815+08:00","time_description":"1984","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"何思明","username":"何思明","email":"hsm@imde.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"-","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[],"subtopics":{"metadata":"1d68cfe4-efd3-4e55-b695-ce5f91277df9","three_pole":null,"third_pole":null},"username":"年雁云","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":848}