GSTDTAP  > 气候变化
DOI10.1007/s00382-018-4553-0
A comparison of CCSM4 high-resolution and low-resolution predictions for south Florida and southeast United States drought
Infanti, Johnna M.1,2,3; Kirtman, Ben P.2
2019-06-01
发表期刊CLIMATE DYNAMICS
ISSN0930-7575
EISSN1432-0894
出版年2019
卷号52期号:11页码:6877-6892
文章类型Article
语种英语
国家USA
英文摘要

It is important to have confidence in seasonal climate predictions of precipitation, particularly related to drought, as implications can be far-reaching and costlythis is particularly true for Florida. Precipitation can vary on fine spatial resolutions, and high-resolution coupled models may be needed to correctly represent precipitation variability. We study south Florida and southeast United States drought in Community Climate System version 4 low resolution (1 degrees atmosphere/ocean) and high-resolution (0.5 degrees atmosphere/0.1 degrees ocean) predictions for time means ranging from 3 to 36months. The very high-resolution in the ocean is of interest here given the potential importance of Gulf Stream on south Florida rainfall. Skill of shorter time-mean South Florida predictions (i.e. 3- and 12-months) are not impacted by increased resolution, but skill of 36-month mean south Florida precipitation is somewhat increased in the high resolution predictions. Notably, over the broader southeast United States the high-resolution model has higher skill for the 36-month mean rainfall predictions, associated with an improved relationship with tropical Pacific and Gulf Stream SSTA. Why this improvement in the broader southeast United States does not extend to Florida is an open question, but does suggest that even further resolution refinements may be needed.


英文关键词Climate Prediction CCSM4 Rainfall Florida Southeast US
领域气候变化
收录类别SCI-E
WOS记录号WOS:000469016700033
WOS关键词ATLANTIC MULTIDECADAL OSCILLATION ; EVERGLADES ECOSYSTEM ; ENSO PREDICTION ; GULF-STREAM ; CLIMATE ; MODEL ; PRECIPITATION ; SENSITIVITY ; SIMULATIONS ; VARIABILITY
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/183488
专题气候变化
作者单位1.Univ Corp Atmospher Res, Boulder, CO 80307 USA;
2.Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, Cooperat Inst Marine & Atmospher Studies, 4600 Rickenbacker Causeway, Miami, FL 33149 USA;
3.Florida Atlantic Univ, Ctr Environm Studies, 3200 Coll Ave, Davie, FL 33314 USA
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Infanti, Johnna M.,Kirtman, Ben P.. A comparison of CCSM4 high-resolution and low-resolution predictions for south Florida and southeast United States drought[J]. CLIMATE DYNAMICS,2019,52(11):6877-6892.
APA Infanti, Johnna M.,&Kirtman, Ben P..(2019).A comparison of CCSM4 high-resolution and low-resolution predictions for south Florida and southeast United States drought.CLIMATE DYNAMICS,52(11),6877-6892.
MLA Infanti, Johnna M.,et al."A comparison of CCSM4 high-resolution and low-resolution predictions for south Florida and southeast United States drought".CLIMATE DYNAMICS 52.11(2019):6877-6892.
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