{"id":"e1512e2e-ae58-4674-afda-d0659300d083","title":"重点区域20国300米分辨率降雨侵蚀力R因子数据集（1986-2015）","title_en":"Dataset of rainfall erosivity R-factor with 300m resoluton in 20 countries in key regions（1986-2015）","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-G20R.zip：其中XDA20040202是子课题编号，2是子子课题编号，G20表示20国，R是降雨侵蚀力数据为Geotiff格式，可以采用ArcGIS打开查看和分析.","description":"1）数据内容为重点区域20国30年（1986-2015）平均降雨侵蚀力R栅格数据，空间分辨率为300米。2）采用Climate Prediction Center (CPC)发布的基于全球站点数据生成的0.5°×0.5°网格日降雨数据计算重点区域20国降雨侵蚀力R因子。3）采用中国气象局全国2358个气象站1986-2015年日降雨数据计算R值，对采用CPC数据源计算的R值进行复核校验，发现CPC数据计算的R值系统偏低，并对CPC数据计算的R值结果进行修订，最终取得的数据质量良好。4）降雨侵蚀力R因子作为CSLE模型的动力因子，其数据对重点区域20国土壤侵蚀的模拟及其空间格局分析等具有重要意义。","doi":"10.11888/Soil.tpdc.271739","projection":"WGS84","language":"zh","share_type":"online","east":48.0,"west":135.0,"south":0.0,"north":52.0,"scale":null,"crs":null,"filesize":58.0,"share_policy":"a","ts_created":"2021-10-03T10:11:26.966545+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-10-11T10:29:38.988178+08:00","time_description":"1986-2015","datas_group":0,"time_description_en":"1986-2015","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":"e1512e2e-ae58-4674-afda-d0659300d083","three_pole":null,"third_pole":"XDA20040202"},"username":"XDA20040202","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1083}