36961 - Intergovernmental Panel on Climate Change...

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Unformatted text preview: Intergovernmental Panel on Climate Change Intergovernmental Panel on Climate Change Impacts, Adaptation and Mitigation Impacts, Adaptation and Mitigation Charles W. Rice Charles W. Rice Soil Microbiologist Soil Microbiologist Department of Agronomy Department of Agronomy Lead Author, IPCC AR4 WGIII Lead Author, IPCC AR4 WGIII K-State Research and Extension K-State Research and Extension 400 350 300 250 200 150-450 -400 -350 -300 -250 -200 -150 -100-50 50 Source: Petit et al. 1999 Thousands of years Atmospheric CO 2 (ppmv) Human perturbation Human perturbation IPCC Fourth Assessment Report, Working Group III, 2007 Fi g ur e 1 0 . 9 IPCC Fourth Assessment Report, Working Group III, 2007 Impact IPCC Fourth Assessment Report, 2007 2020s 2050s 2080s Initially increased agricultural productivity in some mid-latitude regions & reduction in the tropics and sub-tropics even with warming of a few degrees North America: Key messages • A wide range of impacts of climate change are now clearly documented • Risks from future impacts concentrated on extreme events • Vulnerable people and activities (including ag) in almost every region – Increase number, intensity, and duration of heat waves – Changes in precipitation patterns • Water resources will constrain potential crop yield increases and increase competition for water resources • Warmer nights and winters may increase pest and disease in agriculture • Opportunities for improving adaptation • Opportunities for mitigation IPCC Fourth Assessment Report, 2007 Mitigation...
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This note was uploaded on 02/23/2012 for the course AGRICULTUR 200 taught by Professor Staff during the Fall '11 term at Rutgers.

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36961 - Intergovernmental Panel on Climate Change...

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