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A global soil data set for earth system modeling

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Shangguan, W., Dai, Y., Duan, Q., Liu, B., & Yuan, H. ( 2014), A global soil data set for earth system modeling, Journal of Advances in Modeling Earth Systems, 6(1), 249– 263, doi:10.1002/2013MS000293.

文献信息
Type Of Reference JOUR
Title A global soil data set for earth system modeling
Authors Shangguan, Wei| Dai, Yongjiu| Duan, Qingyun| Liu, Baoyuan| Yuan, Hua|
Secondary Title Journal of Advances in Modeling Earth Systems
Abstract We developed a comprehensive, gridded Global Soil Dataset for use in Earth System Models (GSDE) and other applications. The GSDE provides soil information, such as soil particle-size distribution, organic carbon, and nutrients, and quality control information in terms of confidence level at 30″ × 30″ horizontal resolution and for eight vertical layers to a depth of 2.3 m. The GSDE is based on the Soil Map of the World and various regional and national soil databases, including soil attribute data and soil maps. We used a standardized data structure and data processing procedures to harmonize the data collected from various sources. We then used a soil type linkage method (i.e., taxotransfer rules) and a polygon linkage method to derive the spatial distribution of the soil properties. To aggregate the attributes of different compositions of a mapping unit, we used three mapping approaches: the area-weighting method, the dominant soil type method, and the dominant binned soil attribute method. The data set can also be aggregated to a lower resolution. In this paper, we only show the vertical and horizontal variations of sand, silt and clay contents, bulk density, and soil organic carbon as examples of the GSDE. The GSDE estimates of global soil organic carbon stock to the depths of 2.3, 1, and 0.3 m are 1922.7, 1455.4, and 720.1 Gt, respectively. This newly developed data set provides more accurate soil information and represents a step forward to advance earth system modeling.
Date 2014//01/
Year 2014
DOI 10.1002/2013MS000293
Database Provider Wiley Online Library
volume 6
Issue Number 1
Start Page 249
Alternate Title1 J. Adv. Model. Earth Syst.
Language en
Issn 1942-2466
Url http://onlinelibrary.wiley.com/doi/10.1002/2013MS000293/abstract
Access Date 2014/06/04/13:58:51
Keywords 1865 Soils| 3322 Land/atmosphere interactions| 3337 Global climate models| earth system modeling| global soil data set| legacy soil data| soil linkage method| Soil mapping|
file_attachments2 http://onlinelibrary.wiley.com/doi/10.1002/2013MS000293/abstract
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