0df2947b-e8b8-42e5-a52d-16cf5ded1cf2 None dataset ISRIC - World Soil Information Wageningen GLD Netherlands soilgrids@isric.org pointOfContact 2021-07-14T11:52:13 ISO 19115:2003 - Geographic information - Metadata ISO 19115:2003 https://data.isric.org/geonetwork/srv/metadata/0df2947b-e8b8-42e5-a52d-16cf5ded1cf2/formatters/xml Africa SoilGrids nutrients - Nutrient clusters based on fuzzy k-means 2016-12-05 publication Nutrient clusters based on fuzzy k-means of the soil fine earth fraction and spatially predicted at 250 m spatial resolution across sub-Saharan Africa using Machine Learning (ensemble between random forest and gradient boosting) using soil data from the Africa Soil Profiles database (AfSP) compiled by AfSIS and recent soil data newly collected by AfSIS in partnership with EthioSIS (Ethiopia), GhaSIS (Ghana) and NiSIS (Nigeria as made possible by OCP Africa and IITA), combined with soil data as made available by Wageningen University and Research, IFDC, VitalSigns, University of California and the OneAcreFund. [Values M = mean value predicted]. For details see below for peer reviewed paper (T. Hengl, J.G.B. Leenaars, K.D. Shepherd, M.G. Walsh, G.B.M. Heuvelink, Tekalign Mamo, H. Tilahun, E. Berkhout, M. Cooper, E. Fegraus, I. Wheeler, N.A. Kwabena, 2017. Soil nutrient maps of Sub-Saharan Africa: assessment of soil nutrient content at 250 m spatial resolution using machine learning. Nutriënt Cycling in Agroecosystems 109(1): 77-102). Maps produced for the Environmental Assessment Agency (PBL), funded by the Netherlands government, in collaboration with the AfSIS and the Vital Signs projects. Completed ISRIC - World Soil Information Wageningen GLD Netherlands soilgrids@isric.org pointOfContact soil Soil Fertility LSC categories soil chemicophysical properties LSC tags nutrients digital soil mapping Soil science Africa license None geoscientificInformation 1 -29.7 55.4 -34.9 28.7 1980-01-01 2016-12-31 https://files.isric.org/public/af250m_nutrient/af250m_nutrient_ncluster_m.tif WWW:DOWNLOAD-1.0-ftp--download af250m_nutrient_ncluster_m download https://maps.isric.org/mapserv?map=/map/af250m_nutrient.map OGC:WCS af250m_nutrient_ncluster_m information https://isric.org/projects/africa-soilgrids-soil-nutrient-maps-sub-saharan-africa-250-m-resolution WWW:LINK-1.0-http--related Project webpage information https://link.springer.com/article/10.1007/s10705-017-9870-x WWW:LINK-1.0-http--related Scientific paper information https://git.wur.nl/isric/soils4africa/s4a-registry/-/tree/main/data.isric.org/0df2947b-e8b8-42e5-a52d-16cf5ded1cf2.yml canonical Source of the record canonical