{"id":"581752e5-1a13-485f-acfc-37039fd17058","title":"中亚水土热空间分布及动态变化（1995-2015）","title_en":"Spatial distribution and dynamic change of soil, water and heat in Central Asia (1995-2015)","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：水土热空间分布数据以Geotiff格式存储，文件名称为“yyyy水土热资源要素.tif”，其中yyyy代表年。\n数据读取方式：ArcGIS","description":"研究气候变化背景下中亚各国水土热空间分布及动态变化，可为中亚国家水土资源开发和农业生产提供支撑，对于“丝绸之路经济带”核心区域的社会稳定具有重要意义。利用气象、水资源、土地利用和遥感数据，对中亚地区水土资源开发利用现状进行了分析，并引入水热积指数作为水热因子，运用线性趋势分析、偏相关分析法，研究了1995、2005、2015年中亚地区水土热资源的时空变化特征，采用广义农业水土资源匹配系数和水资源当量系数，对农业水土资源匹配特征及短缺程度进行评估。该数据集采用Albers投影，包括了中亚年降水资源空间分布，中亚热量资源空间分布，以及中亚耕地资源空间分布。本数据集拟在为后续中亚农业资源分析，自然区划分析，中亚水土热资源脆弱性等研究提供基础数据。","doi":"10.11888/Socioeco.tpdc.270499","projection":"","language":"zh","share_type":"online","east":90.0,"west":50.0,"south":60.0,"north":30.0,"scale":null,"crs":null,"filesize":7.0,"share_policy":"a","ts_created":"2020-01-13T05:47:30.474332+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T14:26:55.790820+08:00","time_description":"","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"吴锋","username":"simlab3825","email":"wufeng@igsnrr.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":"1 year < x < 10 year","spatial_resolution":"10km - 100km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"581752e5-1a13-485f-acfc-37039fd17058","three_pole":null,"third_pole":"XDA20040302"},"username":"XDA20040302","review_time":"2020-01-26T11:43:17.266666+08:00","protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1429}