{"id":"8ba0a731-5b0b-4e2f-8b95-8b29cc3c0f3a","title":"中国土壤有机质数据集","title_en":"Dataset of soil properties for land surface modeling over China","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":"NC栅格文件\n可以用Arcgis、Qgis等遥感软件及程序打开","description":"数据集包括以下土壤理化性质：pH值、有机质含量、阳离子交换量、根系丰度、总氮（N）、总磷（P）、总钾（K）、碱解氮、速效磷、速效钾、可交换H+、Al3+、Ca2+、Mg2+、K+、Na+、土层厚度、土壤剖面深度、砂、淤泥和C。铺设部分、岩石碎片、体积密度、孔隙、结构、稠度和土壤颜色。提供了质量控制信息（QC）。\n分辨率为30弧秒（赤道处约1公里）。土壤性质的垂直变化由8层记录，深度为2.3 m（即0-0.045-0.091、0.091-0.166、0.166-0.289、0.289-0.493、0.493-0.829、0.829-1.383和1.383-2.296 m），以便于在普通土地模型和社区土地模型（CLM）中使用。\n数据采用NetCDF格式存储，数据文件名称及其说明如下：\n1.THSCH.nc: Saturated water content of FCH\n2.PSI_S.nc: Saturated capillary potential of FCH\n3.LAMBDA.nc: Pore size distribution index of FCH\n4.K_SCH.nc: Saturate hydraulic conductivity of FCH\n5.THR.nc: Residual moisture content of FGM\n6.THSGM.nc: Saturated water content of FGM\n7.ALPHA.nc: The inverse of the air-entry value of FGM\n8.N.nc: The shape parameter of FGM\n9.L.nc: The pore-connectivity parameter of FGM\n10.K_SVG.nc: Saturated hydraulic conductivity of FGM\n11.TH33.nc: Water content at -33 kPa of suction pressure, or field capacity\n12.TH1500.nc: Water content at -1500 kPa of suction pressure, or permanent wilting point","doi":"10.11888/Soil.tpdc.270281","projection":null,"language":"zh","share_type":"online","east":135.5,"west":73.2,"south":17.8,"north":53.9,"scale":null,"crs":null,"filesize":1400.0,"share_policy":"a","ts_created":"2019-07-17T01:17:35.055575+08:00","doi_type":null,"ts_updated":"2021-04-19T23:38:46.423337+08:00","time_description":"1980s","datas_group":3,"time_description_en":null,"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":[],"subtopics":{"metadata":"8ba0a731-5b0b-4e2f-8b95-8b29cc3c0f3a","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":"2019-07-17T14:00:30.531548+08:00","protected_duration":null,"protected_describe":null,"is_important":true,"hit_count":21666}