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| Aspen Global Change Institute (AGCI) Interdisciplinary Science Workshop: Decadal Climate Prediction; Aspen, CO; June 22-28, 2008 | |
| 项目编号 | 0850871 |
| John Katzenberger | |
| 项目主持机构 | Aspen Global Change Institute |
| 开始日期 | 2008-09-15 |
| 结束日期 | 2009-08-31 |
| 英文摘要 | A compelling issue that emerged from the Intergovernmental Panel for Climate Change (IPCC) Assessment Report, AR4, in 2007 was the interest in "short term" climate projections out to about 2030. This is a time frame of interest for many decision support activities and impacts, but is not explicitly addressed with current models and experiments. Any short-term climate information currently provided is simply taken from relatively coarse grid global coupled climate models in the early stages of 21st century simulations that began in the late 1800s and are run to 2100 and beyond. While this provides some information regarding the response of the climate system to external forcing on near-term time scales, it has recently been recognized that a different type of experiment using models with higher spatial resolution and possibly an observed initial state could provide better regional climate change information for decision support and other applications over the next few decades. An Aspen Global Change Institute (AGCI) session in the summer of 2006 first proposed an experimental design for the next round of coordinated climate change experiments that explicitly included short-term climate predictions to be performed for assessment by the international climate modeling community. Since then this has been taken up by World Climate Research program (WCRP), International Geosphere/Biosphere Program (IGBP) and the IPCC, with the WCRP's Climate Variability and Predictability Program (CLIVAR) targeting decadal prediction as the next big research challenge for the climate modeling community. The AGCI session in 2008 takes up where the 2006 session left off, and carries this concept to the next level by tackling not only the formidable science issues involved with designing and running short term climate projections (now more commonly referred to as "decadal prediction"). The session also addresses the important issues of the utility and application of this information for decision support and impacts research. The organizers invited U.S. and international experts from modeling groups doing research in decadal prediction, as well as representatives from the decision support and impacts communities who would use this information. Output from this session will be a white paper summarizing the current state of knowledge on decadal prediction, the degree of success one could expect from such experiments, possible solutions to the scientific challenges involved with this problem, and an assessment of how this type of climate change information could be used for decision support and impacts analyses the next few decades. Broader impacts include, primarily, the large value of decadal prediction for societal adaptation planning for near term (on generational time scales) climate change. |
| 学科分类 | 08 - 地球科学;0805 - 大气科学 |
| 资助机构 | US-NSF |
| 项目经费 | 49647 |
| 项目类型 | Standard Grant |
| 国家 | US |
| 语种 | 英语 |
| 文献类型 | 项目 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/72361 |
| 推荐引用方式 GB/T 7714 | John Katzenberger.Aspen Global Change Institute (AGCI) Interdisciplinary Science Workshop: Decadal Climate Prediction; Aspen, CO; June 22-28, 2008.2008. |
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