Collaborative Research: P2C2--The Role of El Niño/Southern Oscillation (ENSO) Nonlinearities and Asymmetries in Modulating Tropical Pacific Climate

GSTDTAP

项目编号	1602580
	Collaborative Research: P2C2--The Role of El Niño/Southern Oscillation (ENSO) Nonlinearities and Asymmetries in Modulating Tropical Pacific Climate
	Jessica Conroy
主持机构	University of Illinois at Urbana-Champaign
项目开始年	2016
	2016-05-15
项目结束日期	2019-04-30
资助机构	US-NSF
项目类别	Standard Grant
项目经费	133347(USD)
国家	美国
语种	英语
英文摘要	This collaborative project generally aims to develop a multi-scale model-proxy synthesis to explore the relationship between multi-decadal ENSO variability and tropical Pacific seas surface temperature (SST) gradients in past climates and help assess model skill in simulating these relationships in past, present, and potential future climates. The activity of El Niño/Southern Oscillation (ENSO) varies significantly at multi-decadal to centennial timescales, even in the absence of external forcing. Periods of increased ENSO activity may affect the mean state of the tropical Pacific, via a decrease of the zonal SST gradient due to residual heating from large El Niño events. In turn, ENSO-modulated multi-decadal variations of the zonal SST gradient can exert influence on global temperature trends. These causal links are argued to be poorly constrained in models and observations, at present. The merit of the project is high because it identifies an interesting scientific issue (i.e., the ENSO-mean state interaction) that is important for advancing our understanding the dynamics of ENSO and decadal climate variability that can benefit from using paleo-climate proxies. The anticipated results have the potential to aid in interpreting the decadal variability observed in the present-day climate and the selection of climate models that have the potential to make more accurate projections of future climate. The Broader Impacts involve the potential for creating increased confidence in theory and models of future climate in the tropics; helping create a new generation of earth scientists willing to bridge the divide between the worlds of modeling and paleoclimate data; support two early career female scientists; and support two doctoral students.
来源学科分类	Geosciences - Atmospheric and Geospace Sciences
文献类型	项目
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/69503
专题	环境与发展全球科技态势
推荐引用方式 GB/T 7714	Jessica Conroy.Collaborative Research: P2C2--The Role of El Niño/Southern Oscillation (ENSO) Nonlinearities and Asymmetries in Modulating Tropical Pacific Climate.2016.