{"id":"8333eed3-dd42-4c9f-90a0-6255cb94ce4f","title":"中国土壤特征数据集（2010）","title_en":"A China soil characteristics dataset（2010）","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":"clay1、clay2、 sand1、sand2\n栅格数据，可以用arcgis等软件打开","description":"基于第二次全国土壤调查的中国1:1000000比例尺土壤图和8595个土壤剖面图，以及美国农业部（USDA）中国区域土地和气候模拟标准，开发了一个多层土壤粒度分布数据集（砂、粉土和粘土含量）。\n采用多边形链接方法，结合土壤剖面和地图多边形之间的距离、剖面的样本大小和土壤分类信息，推导出砂、粉土和粘土的含量分布图。该数据集分辨率为1公里，可用于区域范围内的土地和气候建模。\n数据特征\n投影：GCS_Krasovsky_1940\n覆盖范围：中国\n分辨率：0.00833 度（约一公里）\n数据格式：FLT, TIFF\n取值范围：0%-100%\n文件说明\n浮点栅格文件包括：\nsand1.flt, clay1.flt – 表层(0-30cm) 砂粒、粘粒含量。\nsand2.flt, clay2.flt – 底层(30-100cm) 砂粒、粘粒含量。\npsd.hdr – 头文件:\nncols – 列数\nnrows – 行数\nxllcorner – 左下角纬度\nyllcorner – 左下角经度\ncellsize – 单元格大小\nNODATA_value – 空值\nbyteorder - LSBFIRST, Least Significant Bit First\nTIFF 栅格文件包括:\nsand1.tif, clay1.tif -表层(0-30cm) 砂粒、粘粒含量。\nsand2.tif, clay2.tif -底层(30-100cm) 砂粒、粘粒含量。","doi":"10.11888/Soil.tpdc.270466","projection":"","language":"zh","share_type":"online","east":135.5,"west":73.2,"south":17.8,"north":53.9,"scale":null,"crs":null,"filesize":993.0,"share_policy":"a","ts_created":"2019-06-11T00:44:15.603809+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T21:38:30.953970+08:00","time_description":"2010","datas_group":3,"time_description_en":"","data_format":null,"project":[10,11],"specials":["1832ecb3-70d0-4b5e-bdb5-2e9ff4ad1efe","f2a78cde-1c98-4241-94dc-7532eba32b80"],"cite":null,"review_status":5,"review_invite":[],"review_editor":{"id":21057,"last_login":"2022-04-02T11:43:37.753860+08:00","username":"gecm","email":"gechm@lzb.ac.cn","is_active":true,"is_staff":true,"user_name":"盖春梅"},"data_sources":"","temporal_resolution":"","spatial_resolution":"km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[6],"subtopics":{"metadata":"8333eed3-dd42-4c9f-90a0-6255cb94ce4f","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":"2019-06-11T17:17:15.409092+08:00","protected_duration":null,"protected_describe":null,"is_important":true,"hit_count":8644}