{"id":"2591fca2-f616-4c51-8e91-a5443a70a58a","title":"三江流域外动力环境因素地表冻结、融化指数空间分布数据集（2003-2015平均）","title_en":"Spatial distribution data set of surface freezing and melting indexes of external dynamic environmental factors in Sanjiang Basin (average from 2003 to 2015)","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":"文件命名：三江流域均地表冻结、融化指数空间分布数据集以Geotiff格式文件存储，文件名称为Spatial distribution data set of surface freezing indexes of external dynamic environmental factors in Sanjiang Basin (average from 2003 to 2015)；Spatial distribution data set of surface melting indexes of external dynamic environmental factors in Sanjiang Basin (average from 2003 to 2015)","description":"冻结（融化）指数是指一年内小于（大于）0 ℃的所有温度的和。地表冻结（融化）指数是度量地表冻结（融化）时间和能力大小的重要参数，可反映区域的冻融环境特征。基于MODIS-LST数据产品，来源于国家青藏高原科学数据中心，采用MATLAB语言读取三江流域内数据，结合冻结（融化指数）公式计算，获得了三江流域外动力环境因素地表冻结、融化指数空间分布数据集（2003~2015平均），该数据集可较好的反映三江流域地表冻结、融化的能力，从而反映区域的冻融环境特征，为冻融滑坡的发育提供重要的外动力环境因素。","doi":"10.11888/Cryos.tpdc.272178","projection":"","language":"zh","share_type":"offline","east":101.09,"west":89.67,"south":25.38,"north":35.9,"scale":2000000,"crs":null,"filesize":13.7,"share_policy":"c","ts_created":"2022-03-20T17:11:19.835111+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-03-25T11:19:11.460605+08:00","time_description":"2003-2015年","datas_group":0,"time_description_en":"2003-2015","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"冉有华","username":"ryh","email":"ranyh@lzb.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":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[789],"subtopics":{"metadata":"2591fca2-f616-4c51-8e91-a5443a70a58a","three_pole":null,"third_pole":null},"username":"戴福初","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":109}