Biological and Environmental Research - Earth and Environmental System Sciences
Earth and Environmental System Modeling

Global land use for 2015–2100 at 0.05° resolution under diverse socioeconomic and climate scenarios

TitleGlobal land use for 2015–2100 at 0.05° resolution under diverse socioeconomic and climate scenarios
Publication TypeJournal Article
Year of Publication2020
AuthorsChen, Min, Vernon Chris R., Graham Neal T., Hejazi Mohamad, Huang Maoyi, Cheng Yanyan, and Calvin Katherine
JournalScientific Data
Volume7
Number1
Abstract / Summary

Global future land use (LU) is an important input for Earth system models for projecting Earth system dynamics and is critical for many modeling studies on future global change. Here we generated a new global gridded LU dataset using the Global Change Analysis Model (GCAM) and a land use spatial downscaling model, named Demeter, under the five Shared Socioeconomic Pathways (SSPs) and four Representative Concentration Pathways (RCPs) scenarios. Compared to existing similar datasets, the presented dataset has a higher spatial resolution (0.05° × 0.05°) and spreads under a more comprehensive set of SSP-RCP scenarios (in total 15 scenarios), and considers uncertainties from the forcing climates. We compared our dataset with the Land Use Harmonization version 2 (LUH2) dataset and found our results are in general spatially consistent with LUH2. The presented dataset will be useful for global Earth system modeling studies, especially for the analysis of the impacts of land use and land cover change and socioeconomics, as well as the characterizing the uncertainties associated with these impacts.

URLhttp://dx.doi.org/10.1038/s41597-020-00669-x
DOI10.1038/s41597-020-00669-x
Funding Program: 
Journal: Scientific Data
Year of Publication: 2020
Volume: 7
Number: 1
Publication Date: 12/2020

Global future land use (LU) is an important input for Earth system models for projecting Earth system dynamics and is critical for many modeling studies on future global change. Here we generated a new global gridded LU dataset using the Global Change Analysis Model (GCAM) and a land use spatial downscaling model, named Demeter, under the five Shared Socioeconomic Pathways (SSPs) and four Representative Concentration Pathways (RCPs) scenarios. Compared to existing similar datasets, the presented dataset has a higher spatial resolution (0.05° × 0.05°) and spreads under a more comprehensive set of SSP-RCP scenarios (in total 15 scenarios), and considers uncertainties from the forcing climates. We compared our dataset with the Land Use Harmonization version 2 (LUH2) dataset and found our results are in general spatially consistent with LUH2. The presented dataset will be useful for global Earth system modeling studies, especially for the analysis of the impacts of land use and land cover change and socioeconomics, as well as the characterizing the uncertainties associated with these impacts.

DOI: 10.1038/s41597-020-00669-x
Citation:
Chen, M, C Vernon, N Graham, M Hejazi, M Huang, Y Cheng, and K Calvin.  2020.  "Global land use for 2015–2100 at 0.05° resolution under diverse socioeconomic and climate scenarios."  Scientific Data 7(1).  https://doi.org/10.1038/s41597-020-00669-x.