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          Institute: MPI für Meteorologie     Collection: Climate Processes     Display Documents



  history
ID: 433274.0, MPI für Meteorologie / Climate Processes
Land use and climate via the LUCID intercomparison study: implications for experimental design in AR5
Authors:Pitman, A. J.; de Noblet-Ducoudré, N.; Cruz, F. T.; Davon, E. L.; Bonan, G. B.; Brovkin, V.; Claussen, M.; Delire, C.; Ganzefeld, L.; Gayler, V.; van den Hurk, B. J. J. M.; Lawrence, P. J.; van der Molen, M. K.; Müller, C.; Reick, C. H.; Seneviratne, S. I.; Strengers, B. J.; Voldoire, A.
Language:English
Date of Publication (YYYY-MM-DD):2009
Title of Journal:Geophysical Research Letters
Volume:36
Sequence Number of Article:L14814
Review Status:Peer-review
Audience:Not Specified
Abstract / Description:Seven climate models were used to explore the biogeophysical impacts of human-induced land cover change (LCC) at regional and global scales. The imposed LCC led to statistically significant decreases in the northern hemisphere summer latent heat flux in three models, and increases in three models. Five models simulated statistically significant cooling in summer in near-surface temperature over regions of LCC and one simulated warming.
There were few significant changes in precipitation. Our results show no common remote impacts of LCC. The lack of consistency among the seven models was due to: 1) the implementation of LCC despite agreed maps of agricultural land, 2) the representation of crop phenology, 3) the parameterisation of albedo, and 4) the representation of evapotranspiration for different land cover types. This study highlights a dilemma: LCC is regionally significant, but it is not feasible to impose a common LCC across multiple models for the next IPCC assessment.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Meteorologie/Land in the Earth System (2005-)
Identifiers:DOI:10.1029/2009GL039076
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