{"id":"6a30b948-1790-4997-8094-2ddabbf149d9","title":"中亚土地资源脆弱性数据集（V1.0）（1995-2015）","title_en":"Dataset of land  resources vulnerability from 1995 to 2015 in Central Asia (V1.0)","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：土地资源脆弱性以Geotiff格式存储，文件名称为“土地资源脆弱性yyyy s.tif”，其中yyyy代表年。\n数据读取方式：ArcGIS","description":"面向中亚五国农业可持续发展，以耕地为目标，从土地资源开发利用风险角度开展了土地资源脆弱性评价。以耕地为目标的土地资源开发利用风险评价因子包括：地形因子（高程、坡度）、土地利用类型、土壤质地等，农业可持续发展评价因子包括：人均GDP、人均谷物产量、农业经济增长率、城市化水平、人口自然增长率、土壤有机质含量等。将上述指标中直接代表土地资源属性的土地利用类型、土壤质地、土壤有机质含量等作为土地资源脆弱性评价指标，基于指标加权平均获取了土地资源脆弱性，并将土地资源脆弱性评价作为土地资源开发利用风险评价的一部分，进行土地资源开发利用风险评估时采用多元线性回归方法确定土地资源脆弱性评价指标的权重。数据提供了1995s (1992-1996), 2000s (1997-2001), 2005s (2002-2006), 2010s (2007-2011), 2015s (2012-2017)和1995-2015六个时间段的中亚五国土地资源脆弱性，空间分辨率为0.5°×0.5°。数据集可为中亚五国土地资源开发利用和农业发展等提供基础数据支撑。","doi":"10.11888/Geogra.tpdc.271063","projection":"","language":"zh","share_type":"online","east":88.0,"west":46.0,"south":35.0,"north":56.0,"scale":null,"crs":null,"filesize":0.048,"share_policy":"a","ts_created":"2020-12-25T15:12:46.549914+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T20:45:19.871857+08:00","time_description":"1992-2017","datas_group":3,"time_description_en":"","data_format":null,"project":[11],"specials":["f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[{"user_name":"吴锋","username":"simlab3825","email":"wufeng@igsnrr.ac.cn","is_cancel_expert":false},{"user_name":"刘志锋","username":"Zhifeng.liu","email":"Zhifeng.liu@bnu.edu.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":"0.25º - 0.5º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"6a30b948-1790-4997-8094-2ddabbf149d9","three_pole":null,"third_pole":"XDA20040302"},"username":"XDA20040302","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1255}