GSTDTAP  > 气候变化
DOI10.1007/s10584-018-2213-3
Evaluations of NASA NEX-GDDP data over Southeast Asia: present and future climates
Raghavan, Srivatsan V.1; Hur, Jina1; Liong, Shie-Yui1,2
2018-06-01
发表期刊CLIMATIC CHANGE
ISSN0165-0009
EISSN1573-1480
出版年2018
卷号148期号:4页码:503-518
文章类型Article
语种英语
国家Singapore; England
英文摘要

This study evaluates the National Aeronautics Space Administration (NASA) Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) dataset that provides statistically downscaled CMIP5 historical and future climate projections (precipitation and temperature), at high spatial (25 km) and temporal (daily) resolutions. The study is performed over Southeast Asia for the historical period 1976-2005 and compared against gridded observations on daily scales. Future climate change is assessed over the future time slices, 2020-2050 and 2070-2099, under two Representative Concentration Pathways (RCP) scenarios 4.5 and 8.5 with respect to 1976-2005. The future climate projections indicate that surface temperatures over Southeast Asia are likely to increase by more than 3.5 A degrees C by the end of the century. As to precipitation, both the mean and extreme rainfall are likely to increase but the biases in the historical simulations could contribute to larger uncertainties in the estimates of rainfall projections. Findings of the study indicate that NEX-GDDP are in good agreement with observations over the historical period only on monthly scales and that they do not capture the observed statistics on daily scales which suggests that these data need a deeper scrutiny on daily scales, especially when used for impacts studies.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000434459200005
WOS关键词CHANGE PROJECTIONS ; MODEL ; PRECIPITATION ; SIMULATION ; CONSENSUS ; CORDEX ; BIAS
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; 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/30074
专题气候变化
作者单位1.Natl Univ Singapore, Trop Marine Sci Inst, Singapore, Singapore;
2.Willis Towers Watson, London, England
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Raghavan, Srivatsan V.,Hur, Jina,Liong, Shie-Yui. Evaluations of NASA NEX-GDDP data over Southeast Asia: present and future climates[J]. CLIMATIC CHANGE,2018,148(4):503-518.
APA Raghavan, Srivatsan V.,Hur, Jina,&Liong, Shie-Yui.(2018).Evaluations of NASA NEX-GDDP data over Southeast Asia: present and future climates.CLIMATIC CHANGE,148(4),503-518.
MLA Raghavan, Srivatsan V.,et al."Evaluations of NASA NEX-GDDP data over Southeast Asia: present and future climates".CLIMATIC CHANGE 148.4(2018):503-518.
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