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Ecosystem impacts of geoengineering: A review for developing a science plan

Citation

Russell, LM and Rasch, PJ and Mace, GM and Jackson, RB and Shepherd, J and Liss, P and Leinen, M and Schimel, D and Vaughan, NE and Janetos, AC and Boyd, PW and Norby, RJ and Caldiera, K and Merikanto, J and Artaxo, P and Melillo, J and Morgan, MG, Ecosystem impacts of geoengineering: A review for developing a science plan, Ambio, 41, (4) pp. 350-369. ISSN 0044-7447 (2012) [Substantial Review]


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DOI: doi:10.1007/s13280-012-0258-5

Abstract

Geoengineering methods are intended to reduce climate change, which is already having demonstrable effects on ecosystem structure and functioning in some regions. Two types of geoengineering activities that have been proposed are: carbon dioxide (CO2) removal (CDR), which removes CO2 from the atmosphere, and solar radiation management (SRM, or sunlight reflection methods), which reflects a small percentage of sunlight back into space to offset warming from greenhouse gases (GHGs). Current research suggests that SRM or CDR might diminish the impacts of climate change on ecosystems by reducing changes in temperature and precipitation. However, sudden cessation of SRM would exacerbate the climate effects on ecosystems, and some CDR might interfere with oceanic and terrestrial ecosystem processes. The many risks and uncertainties associated with these new kinds of purposeful perturbations to the Earth system are not well understood and require cautious and comprehensive research.

Item Details

Item Type:Substantial Review
Keywords:geoengineering, ecosystem, climate change, carbon dioxide removal, solar radiation management
Research Division:Environmental Sciences
Research Group:Ecological Applications
Research Field:Ecological Impacts of Climate Change
Objective Division:Environment
Objective Group:Climate and Climate Change
Objective Field:Climate Change Adaptation Measures
Author:Boyd, PW (Professor Philip Boyd)
ID Code:95603
Year Published:2012
Web of Science® Times Cited:28
Deposited By:IMAS Research and Education Centre
Deposited On:2014-10-06
Last Modified:2014-10-06
Downloads:0

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