GEMAS – Chemistry of Europe’s Agricultural soils, Supporting information, Annual precipitation
GEMAS (Geochemical Mapping of Agricultural and Grazing Land Soil in Europe) is a cooperative project between the Geochemistry Expert Group of EuroGeoSurveys and Eurometeaux. In total, more than 60 international organisations and institutions worldwide were involved in the implementation of the project. During 2008 and 2009, a total of 2219 samples of agricultural (arable land soils, 0 – 20 cm, Ap samples) and 2127 samples of grazing land (pasture land soils, 0 – 10 cm, Gr samples) soil were collected at a density of 1 site/2 500 km² each from 33 European countries, covering an area of 5,600,000 km². All samples were analysed for 52 chemical elements after an aqua regia extraction, 41 by XRF (total), TC and TOC. In the agricultural soil samples, 57 elements in a mobile metal ion (MMI®) extraction and Pb isotopes ratios were also analysed. In addition to the chemical element contents, soil properties and soil parameters such as pH, particle size distribution, effective cation exchange capacity (CEC), MIR spectra and magnetic susceptibility were investigated and some coefficients were calculated. All analytical results were subject to tight external quality control procedures. The GEMAS project thus provides for the first time fully harmonised data for element concentrations and bioavailability of the elements at the continental (European) scale.
The geochemical maps provided in the data series “GEMAS - Single element maps” and “GEMAS - Parameters and indices” show an unbiased representation of the distribution patterns of the investigated elements and parameters. The data series “GEMAS - Supporting information” provides additional information to support the interpretation of these geochemical maps. The data set “Annual precipitation” belonging to this data series provides maps of the annual precipitation in the project survey area in the years 1960-1990 and 1970-2000 (data sources: UCDAVIS, worldclim.org).
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Citation proposal
(2021) . GEMAS – Chemistry of Europe’s Agricultural soils, Supporting information, Annual precipitation. https://gdk.gdi-de.org/geonetwork/srv/api/records/dc18f33f-e587-4958-b55c-fd974de3bbcd |
Simple
- Alternate title
- GEMAS – Supporting information, Annual precipitation
- Date ( Publication )
- 2021-07-07
- Identifier
- 7bc6a808-84a6-dd5b-2c14-81c14669ade9
Author
Author
Author
- Status
- completed Completed
Point of contact
- GEMET - Concepts, version 4.1.4 ( Theme )
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- Atlas
- Boden
- Landwirtschaft
- soil
- agriculture
- Keywords ( Theme )
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- GEMAS
- Geochemie
- Geochemische Karte
- Ackerlandboden
- Weidelandboden
- flächenhafte Verteilung
- Bodeneigenschaften
- Bodenparameter
- geochemistry
- geochemical map
- arable land soil
- pasture land soil
- spatial distribution
- soil properties
- soil parameters
- Keywords ( Place )
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- Europa
- Europe
- Access constraints
- Other restrictions
- Use constraints
- Other restrictions
- Other constraints
- Allgemeine Geschäftsbedingungen, s. https://www.bgr.bund.de/agb - General Terms and Conditions, s. https://www.bgr.bund.de/agb_en
- Spatial representation type
- Grid
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- Metadata language
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- Topic category
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- Geoscientific information
- Distribution format
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- Shapefile (n/a )
- PDF (n/a )
- PNG (n/a )
- Transfer size
- 55
- OnLine resource
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GEMAS – Supporting information, Annual precipitation (Shapefile)
GEMAS – Supporting information, Annual precipitation im Format Esri Shape
- Transfer size
- 6
- OnLine resource
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GEMAS – Supporting information, Annual precipitation (PDF)
GEMAS – Supporting information, Annual precipitation im Format Adobe Acrobat PDF
- Transfer size
- 9
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GEMAS – Supporting information, Annual precipitation (PNG)
GEMAS – Supporting information, Annual precipitation im Format PNG
- OnLine resource
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Projektbeschreibung GEMAS
Projektbeschreibung GEMAS
- OnLine resource
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Projektbeschreibung GEMAS
Projektbeschreibung GEMAS
- OnLine resource
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Geologisches Jahrbuch
Geologisches Jahrbuch
- Hierarchy level
- Dataset
Conformance result
- Date ( Publication )
- 2010-12-08
- Explanation
- siehe dazu die angegebene Durchführungsbestimmung
- Statement
- Birke, M., Rauch, U. & Reimann, C. (2014): Supporting Information for Interpretation of Geochemical Maps. In: Reimann, C., Birke, M., Demetriades, A., Filzmoser, P. & O'Connor, P. (eds.): Chemistry of Europe's Agricultural Soils, Part A: Methodology and Interpretation of the GEMAS Data Set. (Geologisches Jahrbuch). B102: 93-102; Stuttgart (Schweizerbart Science Publishers); Fick, S.E. & Hijmans, R.J. (2017): WorldClim 2: new 1-km spatial resolution climate surfaces for global land areas. International Journal of Climatology, 37, 12: 4302-4315; Hijmans, R.J., Cameron, S.E., Parra, J.L., Jones, P.G. & Jarvis, A. (2005): Very high resolution interpolated climate surfaces for global land areas. International Journal of Climatology, 25, 15: 1965-1978; UCDAVIS (University of California, Davis campus, 2020): https://biogeo.ucdavis.edu/data/worldclim/v2.1/base/wc2.1_30s_bio.zip. (downloaded: 2021-04-07); UCDAVIS (University of California, Davis campus, 2005): https://biogeo.ucdavis.edu/data/climate/worldclim/1_4/grid/cur/bio10-19_30s_bil.zip. (downloaded: 2012-10-23); WorldClim.org (2020): WorldClim 2.1 climate data for 1970-2000. https://worldclim.org/data/worldclim21.html; WorldClim.org (2005): WorldClim 1.4 historical climate conditions for 1960-1990. https://www.worldclim.org/data/v1.4/worldclim14.html.
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- Hierarchy level
- dataset Dataset
- Hierarchy level name
- Geochemie
- Date stamp
- 2021-06-29
- Metadata standard name
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