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Global Gridded Soil Phosphorus Distribution Maps at 0.5-degree Resolution

Data Set Overview

Data setGlobal Gridded Soil Phosphorus Distribution Maps at 0.5-degree Resolution
DOI10.3334/ORNLDAAC/1223
Release date2014-06-04
ProjectSoil Collections
Time Period1850-01-01

Description

This data set provides estimates of different forms of naturally occurring soil phosphorus (P) including labile inorganic P, organic P, occluded P, secondary mineral P, apatite P, and total P on a global scale at 0.5-degree resolution. The data were assembled from chronosequence information and global spatial databases to develop a map of total soil P and the distribution among mineral bound, labile, organic, occluded, and secondary P forms in soils. Uncertainty was calculated for the different forms. The data set has no explicit temporal component -- data were nominally for the pre-industrial period ca. 1850. The estimated global spatial variation and distribution of different soil P forms presented in this study will be useful for global biogeochemistry models that include P as a limiting element in biological production by providing initial estimates of the available soil P for plant uptake and microbial utilization (Yang et al., 2013). There is one netCDF data file (.nc) with this data set.

Documentation

Data set reference document

Citation

Yang, X., W.M. Post, P.E. Thornton, and A.K. Jain. 2014. Global Gridded Soil Phosphorus Distribution Maps at 0.5-degree Resolution. ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1223
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Project

Soil Collections: The ORNL DAAC compiles, archives, and distributes data on the physical and chemical properties of soils. The data are gridded at spatial scales ranging from regional to global.

Project data set list for Soil Collections.

Companion Files

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  • Global_Phosphorus_Dist_Map.pdf

Data Files

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Data File (Granule)File SizeDates
pforms_den.nc 6.2 MB 1850-01-01 - 1850-12-31

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Files related to this data set have been downloaded on 197 occasions since 2014-06-12, totaling 573 files.