NDLI: Impact of global warming on the geobotanic zones: an experiment with a statistical

Content Provider	Springer Nature Link
Author	Franchito, Sergio H. Brahmananda Rao, V. Moraes, E. C.
Copyright Year	2010
Abstract	In this study, a zonally-averaged statistical climate model (SDM) is used to investigate the impact of global warming on the distribution of the geobotanic zones over the globe. The model includes a parameterization of the biogeophysical feedback mechanism that links the state of surface to the atmosphere (a bidirectional interaction between vegetation and climate). In the control experiment (simulation of the present-day climate) the geobotanic state is well simulated by the model, so that the distribution of the geobotanic zones over the globe shows a very good agreement with the observed ones. The impact of global warming on the distribution of the geobotanic zones is investigated considering the increase of CO2 concentration for the B1, A2 and A1FI scenarios. The results showed that the geobotanic zones over the entire earth can be modified in future due to global warming. Expansion of subtropical desert and semi-desert zones in the Northern and Southern Hemispheres, retreat of glaciers and sea-ice, with the Arctic region being particularly affected and a reduction of the tropical rainforest and boreal forest can occur due to the increase of the greenhouse gases concentration. The effects were more pronounced in the A1FI and A2 scenarios compared with the B1 scenario. The SDM results confirm IPCC AR4 projections of future climate and are consistent with simulations of more complex GCMs, reinforcing the necessity of the mitigation of climate change associated to global warming.
Starting Page	2021
Ending Page	2034
Page Count	14
File Format	PDF
ISSN	09307575
Journal	Climate Dynamics
Volume Number	37
Issue Number	9-10
e-ISSN	14320894
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-12-10
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Global warming Geobotanic zones distribution Statistical-dynamical model Interaction between the atmosphere and vegetation Oceanography Geophysics/Geodesy Meteorology/Climatology
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science

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