ISRIC-WISE derived soil properties on a 5 by 5 arc-minutes global grid (ver. 1.2)
Entry ID: ISRIC_WISE5by5min_ver1-1

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Summary
Abstract: Version 1.2 describes a harmonized dataset of derived soil properties for the world. It was created using the soil distribution shown on the 1:5 million scale FAO-Unesco Soil Map of the World (DSMW) and soil property estimates derived from the ISRIC-WISE soil profile database, version 3.1.

The dataset considers 19 soil variables that are commonly required for agro-ecological zoning, land evaluation, crop growth simulation, modelling of soil gaseous emissions, and analyses of global environmental change. It presents ‘best’ estimates for: soil drainage class, organic carbon content, total nitrogen, C/N ratio, pH (H2O), CECsoil, CECclay, effective CEC, base saturation, aluminium saturation, calcium carbonate content, gypsum content, exchangeable sodium percentage (ESP), electrical conductivity, particle size distribution (i.e. content of sand, silt and clay), content of coarse fragments (< 2 mm), bulk density, and available water capacity (-33 to -1500 kPa). These estimates are presented by FAO soil unit for fixed depth intervals of 20 cm up to 100 cm depth (or less when appropriate) for so-called virtual profiles. The associated soil property values were derived from analyses of some 10,250 profiles held in WISE using a scheme of taxonomy-based taxotransfer rules complemented with expert-rules. The type of rules used to derive the various soil property values have been flagged in the database to provide an indication of the possible confidence in the derived data.

Most map units on the DSMW are complex, comprising up to eight different soil units. Assessments and model applications that use the derived soil properties therefore should consider the full map unit composition and depth range.

The soil property values presented here should be seen as best estimates based on the current selection of soil profiles in WISE, the procedure for clustering the measured data, taxotransfer scheme used for deriving soil, properties, and the spatial data of the digital Soil Map of the World.

The derived information may be used for exploratory assessments at a broad scale (< 1:5 million; 5 by 5 arcminutes and coarser), pending the global update of the information on world soil resources at more detailed scales, upon due consideration of the underlying generalisations and assumptions. Limitations for use are described in detail.


Purpose: The derived information may be used for exploratory assessments at a broad scale (< 1:5 million; 5 by 5 arcminutes and coarser), pending the global update of the information on world soil resources at more detailed scales, upon due consideration of the underlying generalisations and assumptions.

Related URL
Link: VIEW EXTENDED METADATA


Link: VIEW PROJECT HOME PAGE
Description: View project home page; download documentation and (zipped) data set.


Geographic Coverage
 N: 84.0 S: -67.0  E: 180.0  W: -180.0
 Min Altitude: -411  Max Altitude: 8848

Data Set Citation
Dataset Originator/Creator: Niels H. Batjes
Dataset Title: ISRIC-WISE derived soil properties on a 5 by 5 arc-minutes global grid (version 1.2)
Dataset Release Date: 2012-29-02
Dataset Release Place: Wageningen
Dataset Publisher: ISRIC - World Soil Information
Version: ver. 1.2
Data Presentation Form: Raster data and MSAccess files
Other Citation Details: http://www.isric.org/sites/default/files/isric_report_2012_01.pdf
Online Resource: http://www.isric.org/sites/all/modules/pubdlcnt/pubdlcnt.php?file=h...


Temporal Coverage
Start Date: 1960-01-01
Stop Date: 2000-12-31


Location Keywords
GEOGRAPHIC REGION > GLOBAL LAND


Data Resolution


Science Keywords
AGRICULTURE >SOILS >CALCIUM    [Definition]
AGRICULTURE >SOILS >CARBON    [Definition]
AGRICULTURE >SOILS >CATION EXCHANGE CAPACITY    [Definition]
AGRICULTURE >SOILS >ELECTRICAL CONDUCTIVITY    [Definition]
AGRICULTURE >SOILS >NITROGEN    [Definition]
AGRICULTURE >SOILS >ORGANIC MATTER    [Definition]
AGRICULTURE >SOILS >SOIL SALINITY/SOIL SODICITY    [Definition]
AGRICULTURE >SOILS >SOIL BULK DENSITY    [Definition]
AGRICULTURE >SOILS >SOIL CLASSIFICATION    [Definition]
AGRICULTURE >SOILS >SOIL DEPTH    [Definition]
AGRICULTURE >SOILS >SOIL HORIZONS/PROFILE    [Definition]
AGRICULTURE >SOILS >SOIL PH    [Definition]
AGRICULTURE >SOILS >SOIL TEXTURE    [Definition]
AGRICULTURE >SOILS >SOIL WATER HOLDING CAPACITY    [Definition]
AGRICULTURE >SOILS    [Definition]
BIOSPHERE >TERRESTRIAL ECOSYSTEMS    [Definition]
LAND SURFACE >SOILS >CALCIUM    [Definition]
LAND SURFACE >SOILS >CARBON    [Definition]
LAND SURFACE >SOILS >CATION EXCHANGE CAPACITY    [Definition]
LAND SURFACE >SOILS >ELECTRICAL CONDUCTIVITY    [Definition]
LAND SURFACE >SOILS >NITROGEN    [Definition]
LAND SURFACE >SOILS >ORGANIC MATTER    [Definition]
LAND SURFACE >SOILS >SOIL SALINITY/SOIL SODICITY    [Definition]
LAND SURFACE >SOILS >SOIL BULK DENSITY    [Definition]
LAND SURFACE >SOILS >SOIL CLASSIFICATION    [Definition]
LAND SURFACE >SOILS >SOIL DEPTH    [Definition]
LAND SURFACE >SOILS >SOIL HORIZONS/PROFILE    [Definition]
LAND SURFACE >SOILS >SOIL PH    [Definition]
LAND SURFACE >SOILS >SOIL TEXTURE    [Definition]
LAND SURFACE >SOILS >SOIL WATER HOLDING CAPACITY    [Definition]
LAND SURFACE >SOILS    [Definition]


ISO Topic Category
ENVIRONMENT
GEOSCIENTIFIC INFORMATION
IMAGERY/BASE MAPS/EARTH COVER


Quality
The data set's lineage (and citation) is described in:

Batjes NH 2006. ISRIC-WISE derived soil properties on a 5 by 5 arc-minutes global grid (ver. 1.1). Report 2006/02, ISRIC - World Soil Information, Wageningen, http://www.isric.org/sites/default/files/isric_report_2012_01.pdf


Access Constraints
Materials developed by ISRIC are copyrighted, all rights reserved. Reproduction and dissemination of such materials for educational or non-commercial purposes are authorized without any prior written permission from the copyright holders provided the source is fully acknowledged. Reproduction of materials for resale or other commercial purposes is prohibited without prior written permission of the copyright holders. Applications for such permission should be addressed to: Director, ISRIC - World Soil Information, PO Box 353, 6700 AJ Wageningen, the Netherlands or by e-mail to soil.isric@wur.org.


Use Constraints
Materials developed by ISRIC are copyrighted, all rights reserved. Reproduction and dissemination of such materials for educational or non-commercial purposes are authorized without any prior written permission from the copyright holders provided the source is fully acknowledged. Reproduction of materials for resale or other commercial purposes is prohibited without prior written permission of the copyright holders. Applications for such permission should be addressed to: Director, ISRIC - World Soil Information, PO Box 353, 6700 AJ Wageningen, the Netherlands or by e-mail to soil.isric@wur.org.


Keywords
secondary (derived) soil data
soil property estimates


Data Set Progress
COMPLETE


Originating Center
ISRIC - World Soil Information


Data Center
World Data Center for Soils, ISRIC - World Soil Information, Wageningen    [Information]
Data Center URL: http://www.isric.org
Dataset ID: ISRIC_WISE5by5min_ver1-1

Data Center Personnel
Name: NIELS H. BATJES
Phone: +31-317-483735
Email: niels.batjes at wur.nl
Contact Address:
ISRIC - World Soil Information (World Data Center for Soils)
P.O. Box 353
City: Wageningen
Postal Code: 6700 AJ
Country: The Netherlands



Distribution
Distribution_Media: Internet (downloadable data)
Distribution_Size: About 10 Mb zipped; 100 Mb unzipped
Distribution_Format: Raster data and MSAccess tables; these files may be joined using GIS software
Fees: n/a


Personnel
NIELS H. BATJES
Role: INVESTIGATOR
Phone: +31-317-483735
Email: niels.batjes at wur.nl
Contact Address:
ISRIC - World Soil Information (World Data Center for Soils)
P.O. Box 353
City: Wageningen
Postal Code: 6700 AJ
Country: The Netherlands


Publications/References
Batjes NH 2012. ISRIC-WISE derived soil properties on a 5 by 5 arc-minutes global grid (ver. 1.2). Report 2012/01, ISRIC - World Soil Information, Wageningen, 57 p with data set http://www.isric.org/sites/default/files/isric_report_2012_01.pdf

Batjes NH and Bridges EM 1994. Potential emissions of radiatively active gases from soil to atmosphere with special reference to methane: development of a global database (WISE). Journal of Geophysical Research 99(D8), 16479-16489

Batjes NH, Al-Adamat R, Bhattacharyya T, Bernoux M, Cerri CEP, Gicheru P, Kamoni P, Milne E, Pal DK and Rawajfih Z 2007. Preparation of consistent soil data sets for SOC modelling purposes: secondary SOTER data sets for four case study areas. Agriculture, Ecosystems and Environment 112, 26-34

Batjes NH, Bridges EM and Nachtergaele FO 1995. World Inventory of Soil Emission Potentials: development of a global soil data base of process-controlling factors. In: Peng S, KT Ingram, HU Neue and LH Ziska (editors), Climate Change and Rice. Springer-Verlag, Heidelberg, pp 102-115

Batjes NH, Fischer G, Nachtergaele FO, Stolbovoy VS and van Velthuizen HT 1997. Soil data derived from WISE for use in global and regional AEZ studies (ver. 1.0). Interim Report IR-97-025, FAO/ IIASA/ ISRIC, Laxenburg

FAO 1995. Digital Soil Map of the World and Derived Soil Properties, Food and Agriculture Organization of the United Nations, Rome

Creation and Review Dates
DIF Creation Date: 2012-02-29
Last DIF Revision Date: 2013-10-09

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