{"id":"2e46eb77-3ca2-4b90-9a42-fd49f10630d4","title":"全球土壤数据GSDE（2014）","title_en":"The global soil dataset for earth system modeling (2014)","serial":"Westdc","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":"数据格式：NetCDF","description":"本数据集的源数据来源于世界土壤图和多个区域和国家级土壤数据库，包括土壤属性和土壤图。我们采用了统一的数据结构和数据处理过程来融合多元数据。我们然后使用了土壤类型连接法和土壤多变行连接法来得到土壤属性的空间分布。为聚合这些数据，我们目前采用的是面积加权的方法。原始数据为30秒，这里提供的5分分变率（约10km）的聚合数据。共八个垂直分层，最深为2.3米(即0- 0.045, 0.045- 0.091, 0.091- 0.166, 0.166- 0.289, 0.289- 0.493, 0.493- 0.829, 0.829- 1.383 and 1.383- 2.296 m)。\n1、数据特征：\n投影：WGS_1984\n覆盖范围：全球\n分辨率：0.083333 度（约10公里）\n数据格式：netCDF\n\n2、数据集包含11项土壤一般信息和34个土壤属性。\n（1）土壤一般信息如下，文件general.zip：\nNo.\tDescription\tUnits\n1\tadditional property\t \n2\tavailable water capacity\t \n3\tdrainage class\t \n4\timpermeable layer\t \n5\tnonsoil class\t \n6\tphase1\t \n7\tphase2\t \n8\treference soil depth\tcm\n9\tobstacle to roots\t \n10\tsoil water regime\t \n11\ttopsoil texture\t \n（2）34个土壤属性如下,文件1-9.zip, 10-18.zip, 19-26.zip, 27-34.zip\n土壤有机碳密度: SOCD5min.zip：\nNo.\tAttrubute\tunits\tScale factor\n1\ttotal carbon\t% of weight\t0.01\n2\torganic carbon\t% of weight\t0.01\n3\ttotal N\t% of weight\t0.01\n4\ttotal S\t% of weight\t0.01\n5\tCaCO3\t% of weight\t0.01\n6\tgypsum\t% of weight\t0.01\n7\tpH(H2O)\t \t0.1\n8\tpH(KCl)\t \t0.1\n9\tpH(CaCl2)\t \t0.1\n10\tElectrical conductivity\tds/m\t0.01\n11\tExchangeable calcium\tcmol/kg\t0.01\n12\tExchangeable magnesium\tcmol/kg\t0.01\n13\tExchangeable sodium\tcmol/kg\t0.01\n14\tExchangeable potassium\tcmol/kg\t0.01\n15\tExchangeable aluminum\tcmol/kg\t0.01\n16\tExchangeable acidity\tcmol/kg\t0.01\n17\tCation exchange capacity\tcmol/kg\t0.01\n18\tBase saturation\t%\t \n19\tSand content\t% of weight\t \n20\tSilt content\t% of weight\t \n21\tClay content\t% of weight\t \n22\tGravel content\t% of volume\t \n23\tBulk density\tg/cm3\t0.01\n24\tVolumetric water content at -10 kPa\t% of volume\t \n25\tVolumetric water content at -33 kPa\t% of volume\t \n26\tVolumetric water content at -1500 kPa\t% of volume\t \n27\tThe amount of phosphorous using the Bray1 method\tppm of weight\t0.01\n28\tThe amount of phosphorous by Olsen method\tppm of weight\t0.01\n29\tPhosphorous retention by New Zealand method\t% of weight\t0.01\n30\tThe amount of water soluble phosphorous\tppm of weight\t0.0001\n31\tThe amount of phosphorous by Mehlich method\tppm of weight\t0.01\n32\texchangeable sodium percentage\t% of weight\t0.01\n33\tTotal phosphorus\t% of weight\t0.0001\n34\tTotal potassium\t% of weight\t0.01","doi":"10.11888/Soil.tpdc.270578","projection":"WGS84","language":"zh","share_type":"online","east":175.0,"west":-175.0,"south":-85.0,"north":85.0,"scale":null,"crs":null,"filesize":343.0,"share_policy":"a","ts_created":"2014-06-22T18:47:44+08:00","doi_type":"拥有自主知识产权","ts_updated":"2021-04-19T19:52:07.901242+08:00","time_description":"2014","datas_group":3,"time_description_en":"2014","data_format":"NetCDF","project":[10,11],"specials":[],"cite":null,"review_status":5,"review_invite":[],"review_editor":null,"data_sources":null,"temporal_resolution":"Yearly","spatial_resolution":"1km - 10km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[77,79,95,106,162,169],"subtopics":{"metadata":"2e46eb77-3ca2-4b90-9a42-fd49f10630d4","three_pole":null,"third_pole":null},"username":"盖春梅","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":9346}