{"id":"44bbcc76-fdce-4197-9d7b-dc3528537f97","title":"重点区域20国300米分辨率土壤侵蚀强度数据集（2015）","title_en":"Dataset of Soil  Erosion Intensity with 300 m resoluton in 20 countries in key regions( 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":"XDA200402022-G20QSQD.zip：其中XDA20040202是子课题编号，2是子子课题编号，G20表示20国，QSQD表示土壤侵蚀强度，数据为Geotiff格式，可以采用ArcGIS打开查看和分析.","description":"1）数据内容包含重点区域20国2015年土壤侵蚀强度栅格数据，空间分辨率为300米。2）基于重点区域20国13000个调查单元数据，采用中国土壤侵蚀预报模型（CSLE），计算降雨侵蚀力因子、土壤可蚀性因子、坡长因子、坡度因子、植被覆盖与生物措施因子、工程措施因子以及耕作措施因子。然后按土类进行土壤侵蚀量插值并进一步进行强度分级，得到重点区域20国土壤侵蚀强度图。3）对土壤侵蚀强度数据进行空间格局合理性分析，数据质量良好。4）土壤侵蚀强度数据对理解重点区域20国土壤侵蚀空间格局及开展水土流失治理等具有重要意义。","doi":"10.11888/Soil.tpdc.271737","projection":"WGS84","language":"zh","share_type":"online","east":48.0,"west":135.0,"south":0.0,"north":52.0,"scale":null,"crs":null,"filesize":25.0,"share_policy":"a","ts_created":"2021-10-03T11:00:07.229738+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-10-11T09:47:42.094034+08:00","time_description":"2015年","datas_group":0,"time_description_en":"2015","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"方海燕","username":"fanghy@igsnrr.ac.cn","email":"fanghy@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":"Yearly","spatial_resolution":"100m - 1km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"44bbcc76-fdce-4197-9d7b-dc3528537f97","three_pole":null,"third_pole":"XDA20040202"},"username":"XDA20040202","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":819}