{"id":"f396d5d5-712c-48ce-b30d-c3230a162dac","title":"65国1km分辨率植被覆盖与生物措施B因子数据集（2014-2016）","title_en":"Dataset of factor B of vegetation coverage and biological measures with 1km resoluton in 65 countries (2014-2016)","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-G6_B.zip：其中XDA20040202是子课题编号，2是子子课题编号，G65表示65国，B表示植被覆盖与生物措施，Geotiff格式，可以采用ArcGIS打开查看和分析.","description":"1）数据内容包含65国植被覆盖与生物措施因子B栅格数据，空间分辨率为1km。2）基础数据源为2014~2016年的MODIS MOD13Q1产品，空间分辨率250m；24个半月降雨侵蚀力比例；上级子课题提供的土地利用类型。根据MOD13Q1产品计算得到3年平均的24个半月植被覆盖度栅格数据，然后按土地利用类型计算土壤流失比例，进一步利用24个半月的降雨侵蚀力进行加权平均，得到植被覆盖与生物措施B因子栅格图。3）MOD13Q1遥感植被数据侧重进行了去云预处理，计算的B因子按地类进行统计并进行合理性分析，最终取得的数据质量良好。4）植被覆盖与生物措施B因子反映了地表土地利用/植被覆盖对土壤侵蚀的影响，是65国的土壤侵蚀模拟及其空间格局分析的基础。","doi":"10.11888/Ecolo.tpdc.271766","projection":"WGS84","language":"zh","share_type":"online","east":169.0,"west":25.0,"south":11.0,"north":80.0,"scale":null,"crs":null,"filesize":138.0,"share_policy":"a","ts_created":"2021-10-22T16:11:14.124832+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-10-26T15:20:59.728510+08:00","time_description":"2014-2016","datas_group":3,"time_description_en":"2014-2016","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"冯敏","username":"mfeng","email":"mfeng@itpcas.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":"f396d5d5-712c-48ce-b30d-c3230a162dac","three_pole":null,"third_pole":"XDA20040202"},"username":"XDA20040202","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":430}