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Climate change and future land use in the United States: an economic approachAuthor(s): David Haim; Ralph J. Alig; Andrew J. Plantinga; Brent Sohngen
Source: Climatic Change Economics. 2(1): 27-51
Publication Series: Scientific Journal (JRNL)
Station: Pacific Northwest Research Station
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DescriptionAn econometric land-use model is used to project regional and national land-use changes in the United States under two IPCC emissions scenarios. The key driver of land-use change in the model is county-level measures of net returns to five major land uses. The net returns are modified for the IPCC scenarios according to assumed trends in population and income and projections from integrated assessment models of agricultural prices and agricultural and forestry yields. For both scenarios, we project large increases in urban land by the middle of the century, while the largest declines are in cropland area. Significant differences among regions in the projected patterns of land-use change are evident, including an expansion of forests in the Mountain and Plains regions with declines elsewhere. Comparisons to projections with no climate change effects on prices and yields reveal relatively small differences. Thus, our findings suggest that future land-use patterns in the U.S. will be shaped largely by urbanization, with climate change having a relatively small influence.
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CitationHaim, David; Alig, Ralph J.; Plantinga, Andrew J.; Sohngen, Brent. 2011. Climate change and future land use in the United States: an economic approach. Climatic Change Economics. 2(1): 27-51.
Keywordseconometric models, land-use, climate change, regional analysis
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