alexa A Framework to Explore Regional Feedbacks under Changing Climate andLand-use Conditions | OMICS International
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
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Review Article

A Framework to Explore Regional Feedbacks under Changing Climate andLand-use Conditions

Batlle BL1, van den HBJ1,2*, Strengers BJ3 and Minnen JG3

1IMAU–Institute for Marine and Atmospheric research Utrecht, Utrecht University, The Netherlands

2KNMI – Royal Netherlands Meteorological Institute, De Bilt, The Netherlands

3PBL – Netherlands Environmental Assessment Agency, Bilthoven, The Netherlands

*Corresponding Author:
van den Hurk BJ
IMAU–Institute for Marine and Atmospheric research Utrecht
Utrecht University, The Netherlands
Tel: +31-30-253-35-50
Email: [email protected]

Received date: February 14, 2014; Accepted date: March 31, 2014; Published date: April 01, 2014

Citation: Batlle BL, van den HBJ, Strengers BJ, Minnen JG (2014) A Framework to Explore Regional Feedbacks under Changing Climate and Land-use Conditions. J Earth Sci Clim Change 5:187. doi:10.417/2157-7617.1000187

Copyright: © 2014 Battle, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

In this paper the main terrestrial ecosystem processes and related feedbacks with the climate system are reviewed and placed in a conceptual framework, used to explore the nature of potential bio geophysical feedbacks at the regional scale prior to executing complex and extensive numerical simulation of the coupled processes. We illustrate the framework for a limited number of regions where significant changes in climate and/or land use are expected. Where possible and appropriate, the quantitative effects of the feedbacks are presented, accompanied with a discussion of the drivers of these results. In Europe, under moisture-limited evapotranspiration conditions, heat waves are potentially amplified by a positive soil moisture-temperature feedback. Future warming and precipitation reduction in the Amazon can be amplified by forest dieback, pointing at a positive soil moistureprecipitation feedback. In India, irrigation may exert a positive soil moisture-precipitation feedback al local and regional scale, while a negative feedback occurs at larger spatial scales. The framework is designed to diagnose possible feedback loops that are worth exploring in further detail by dedicated (model) studies. Being a conceptual framework, complex Biogeophysical processes necessarily are simplified in straightforward process-response relationships. In some of the feedback loops explored, socio-economic dimensions need to be considered, particularly when these affect human decisions on land-use and land-cover change (LULCC). The framework can be used to design the necessary integration of Earth System (ES) and Integrated Assessment (IA) modeling systems.

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