{"id":"926339e3-2e27-44a2-a829-7623795759fc","title":"泛第三极（20国）土壤可蚀性因子（K）数据集（2020年，7.5弧秒分辨率）","title_en":"Soil  Erodibility Dataset of Pan-Third Pole 20 countries （2020, with a resolution of7.5 arc second ）","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":"XDA200402022-20G-K.zip，其中XDA20040202是子课题编号，2是子子课题编号，20G表示20国，K表示土壤可蚀性因子。数据为tiff格式，可用通用GIS软件（如ArcGIS）或图像处理软件（如ENVI）等打开和分析。","description":"泛极第三极20国土壤可蚀性因子（K）数据，基于国际土壤信息参比中心（International Soil Reference and Information Centre, ISRIC）网站（https://files.isric.org/soilgrids/latest/data/）下载的7.5弧秒分辨率土壤属性数据计算，所用数据包括土壤黏粒含量（%）、粉粒含量（%）、砂粒含量（%）、土壤有机碳含量（g/kg）、土壤质地类型。利用Wischmeier（1978）在USLE手册第二版中提出的土壤可蚀性因子算法、本项目研发的土壤可蚀性因子计算工具（K_Tool），计算得到与输入数据分辨率（1弧秒，尺度地区约25m）相同分辨率的土壤可蚀性因子图。泛第三极20国土壤可蚀性因子数据，是基于CSLE进行土壤侵蚀速率计算的必备数据，同时也是分析泛第三极土壤特征的基础数据。","doi":"10.11888/Soil.tpdc.271741","projection":"WGS84","language":"zh","share_type":"online","east":44.2,"west":134.9,"south":0.81,"north":70.9,"scale":null,"crs":null,"filesize":2185.6,"share_policy":"a","ts_created":"2021-10-08T15:44:11.991206+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-10-11T10:52:08.019542+08:00","time_description":"2020年","datas_group":0,"time_description_en":"2020","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":"<= 0.01º","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"926339e3-2e27-44a2-a829-7623795759fc","three_pole":null,"third_pole":"XDA20040202"},"username":"XDA20040202","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":1065}