S-World – global soil map Jetse J. Stoorvogel et al 12-13 Nov, 2018 Aguascalientes Overview ° Background ° The S-world methodology ° Modelling changes in soil resources ° From soil properties to national accounts ° Data quality ° The Mexican application 12-13 Nov, 2018 2 Aguascalientes Backgrounds ° Soil resources are extremely important 12-13 Nov, 2018 3 Aguascalientes Backgrounds ° Soil resources are extremely important ° > 70% of the earth surface has not been mapped at a scale below 1:1 million 12-13 Nov, 2018 4 Aguascalientes Backgrounds ° Soil resources are extremely important ° > 70% of the earth surface has not been mapped at a scale below 1:1 million ° Quantitative insight in soil properties 12-13 Nov, 2018 5 Aguascalientes Backgrounds ° Soil resources are extremely important ° > 70% of the earth surface has not been mapped at a scale below 1:1 million ° Quantitative insight in soil properties ° Widespread soil degradation 12-13 Nov, 2018 6 Aguascalientes The challenge Soil conditions ° Global coverage ° Quantitative ° Consistent ° High resolution ° High quality ° Temporal dynamics ° Based on existing data 12-13 Nov, 2018 Aguascalientes Harmonized World Soil Database ° Resolution ° Consistency ° Quality 12-13 Nov, 2018 Aguascalientes The issues - resolution 12-13 Nov, 2018 Aguascalientes The issues - consistency 12-13 Nov, 2018 Aguascalientes The issues - Quality Delineated area Mapping unit Soil type(s) Soil profile Soil properties 12-13 Nov, 2018 Aguascalientes The issues - Quality Soil Organic 20 Matter (%) 15 10 5 0 12-13 Nov, 2018 Aguascalientes The challenge Soil conditions ° Global coverage ° Quantitative ° Consistent ° High resolution ° High quality ° Temporal dynamics ° Based on existing data 12-13 Nov, 2018 Aguascalientes Overview ° Background ° The S-world methodology ° Modelling changes in soil resources ° From soil properties to national accounts ° Data quality ° The Mexican application 12-13 Nov, 201814 Aguascalientes The methodology 12-13 Nov, 201815 Aguascalientes Starting point Harmonized World Soil Database WISE database Landscape data 12-13 Nov, 2018 Aguascalientes S-World Soil profile Landscape Soil map database data S-world Soil conditions 12-13 Nov, 2018 Aguascalientes Step 1: Disaggregating soil associations Soil association (60% Cambisol + 40% Vertisol) Vertisol Cambisol 12-13 Nov, 2018 Aguascalientes Harmonized World Soil Dtabase 18322 40% Vertic Leptosol 35% Haplic Phaeozem 25% Chromic Luvisol 12-13 Nov, 2018 Aguascalientes Elevation 12-13 Nov, 2018 Aguascalientes Disaggregated soil map 12-13 Nov, 2018 Aguascalientes Step 2: Assigning soil properties Step 1 Step 2 Soil properties 12-13 Nov, 2018 Aguascalientes Soil properties 12-13 Nov, 2018 Aguascalientes Soil properties Soil Organic 20 Matter (%) 15 10 5 0 12-13 Nov, 2018 Aguascalientes Towards soil properties Soil property/type Auxiliary information Temperature Rainfall Model Topography Vegetation Land use 12-13 Nov, 2018 Aguascalientes Meta-analysis 12-13 Nov, 2018 Aguascalientes Model parameters Annual Annual Slope Land use temperature rainfall intensity Depth topsoil 0.2 0.3 -0.4 -0.1 SOM topsoil 0.1 0.3 -0.1 -0.5 Soil depth 0.2 0.2 -0.4 -0.2 Clay% 0.3 0.3 -0.3 -0.1 Sand% -0.3 -0.3 0.3 0.1 12-13 Nov, 2018 Aguascalientes Global soil property maps 12-13 Nov, 201828 Aguascalientes Global soil property maps Topsoil carbon 14% 0.1% 12-13 Nov, 201829 Aguascalientes Overview ° Background ° The S-world methodology ° Modelling changes in soil resources ° From soil properties to national accounts ° Data quality ° The Mexican application 12-13 Nov, 201830 Aguascalientes Human induced soil changes Current Natural land use/cover land cover S-world Current soil Natural soil conditions conditions Changes 12-13 Nov, 2018 Aguascalientes “Natural” NDVI Current Natural Landscape NDVI areas information Interpolation Natural NDVI 12-13 Nov, 2018 Aguascalientes Current versus natural NDVI 12-13 Nov, 201833 Aguascalientes Current versus natural NDVI 12-13 Nov, 201834 Aguascalientes Current versus natural NDVI 12-13 Nov, 201835 Aguascalientes NDVI changes Natural Actual 12-13 Nov, 201836 Aguascalientes Soil organic Carbon (topsoil) Soil Organic Carbon (0-30cm) < 1.0 % 1.0-1.5 % 1.5-2.0 % 2.0-5.0% >5.0% 12-13 Nov, 201837 Aguascalientes Changes in soil organic carbon (A net loss of 176 Gt) 12-13 Nov, 2018 Aguascalientes Changes in topsoil organic carbon Topsoil0.1% carbon 14% 0.1% 12-13 Nov, 201839 Aguascalientes Overview ° Background ° The S-world methodology ° Modelling changes in soil resources ° From soil properties to national accounts ° Data quality ° The Mexican application 12-13 Nov, 201840 Aguascalientes From soil properties to ecosystem services ° Soil organic matter ° Carbon sequestration content ° Water holding capacity ° Clay content ° Infiltration/runoff ° Sand content ° Soil fertility ° Soil depth ° pH 12-13 Nov, 201841 Aguascalientes Different levels of properties 12-13 Nov, 201842 Aguascalientes Modelling studies SOC Clay 12-13 Nov, 201843 Aguascalientes Results 12-13 Nov, 2018 Aguascalientes MIN MAX MEAN STD Aguascalientes 39 81 60 11 Water holding capacity Baja California 28 80 53 12 Baja California Sur 32 80 57 9 Campeche 54 81 72 6 Chiapas 47 81 66 6 Chihuahua 29 81 62 10 WHC (mm) Coahuila 37 81 65 9 80 Colima 43 72 67 5 Distrito Federal 45 71 62 8 Durango 29 81 65 10 Guanajuato 33 81 63 8 Guerrero 49 81 65 6 30 Hidalgo 39 81 66 5 Jalisco 30 81 62 9 México 39 80 64 8 Michoacán 39 81 63 6 Morelos 42 72 64 6 Nayarit 40 81 66 7 Nuevo León 39 81 69 7 Oaxaca 40 81 64 7 Puebla 38 81 65 8 Querétaro 42 81 65 7 Quintana Roo 44 81 77 8 San Luis Potosí 37 81 67 8 Sinaloa 45 81 66 6 Sonora 29 81 63 9 Tabasco 53 74 65 2 Tamaulipas 49 81 64 7 Tlaxcala 43 80 66 7 Veracruz 43 81 65 5 12-13 Nov, 201845 Yucatán 65 81 80 2 Zacatecas 29 81Aguascalientes 63 11 Accounts ° Spatial information on soil properties and derived information at a 30arc-sec resolution ° Tabular information per state and municipality ° For current conditions as well as natural conditions 12-13 Nov, 201846 Aguascalientes Overview ° Background ° The S-world methodology ° Modelling changes in soil resources ° From soil properties to national accounts ° Data quality ° The Mexican application 12-13 Nov, 201847 Aguascalientes The challenge for the global modeller - data Globcover GLC2000 MODIS Africover Zhe Guo, HarvestChoice 2011 (unpublished). 12-13 Nov, 201848 Aguascalientes S-World GSDE IGBP-dis SoilGrids HWSDd WISE30d 12-13 Nov, 2018 Aguascalientes %C in topsoil (0-30cm) 12-13 Nov, 2018 Aguascalientes Overview ° Background ° The S-world methodology ° Modelling changes in soil resources ° From soil properties to national accounts ° Data quality ° The Mexican application 12-13 Nov, 201851 Aguascalientes The case of Mexico - currently HWSD WISE GlobCov 12-13 Nov, 201852 Aguascalientes Accounts including ° Soil organic carbon ° Spatial variation at 30 arcsec (1km) ° Soil texture ° Current and natural ° Soil pH conditions ° Soil depth ° Summary statistics per ° Bulk density state and municipality ° Water holding capacity ° Soil types 12-13 Nov, 201853 Aguascalientes Soil map HWSD LACsoter INEGI 12-13 Nov, 201854 Aguascalientes Soil profile data WISE WOSIS 12-13 Nov, 201855 Aguascalientes Land use data GlobCov 12-13 Nov, 201856 Aguascalientes Future ° Use the current S-World data for soil accounts ° Improve S-World with Mexican data to get a specific national accounts. 12-13 Nov, 2018 Aguascalientes.