{"id":"7885dcc7-7085-49e4-99b4-6e7e447653df","title":"泛第三极（65国）土壤可蚀性因子（K）图（2021）","title_en":"Soil  Erodibility Factor (K) Dataset of Pan-Third Pole 65 countries (2021)","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":"DA200402022-K65.zip：其中XDA20040202是子课题编号，2是子子课题编号，K代表土壤可蚀性因子, 65代表65国；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":"泛第三极土壤可蚀性因子（K）数据集，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（30弧秒，尺度地区约1000m）相同分辨率的土壤可蚀性因子图。泛第三极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/Terre.tpdc.271863","projection":"WGS84","language":"zh","share_type":"online","east":180.0,"west":12.03,"south":-10.92,"north":81.82,"scale":null,"crs":null,"filesize":2185.6,"share_policy":"a","ts_created":"2021-11-26T11:07:09.950999+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-12-09T14:34:54.503071+08:00","time_description":"2021年","datas_group":3,"time_description_en":"2021","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":"7885dcc7-7085-49e4-99b4-6e7e447653df","three_pole":null,"third_pole":"XDA20040202"},"username":"XDA20040202","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":148}