Arid
DOI10.1016/j.jhydrol.2017.05.041
Relationships between sea surface temperature anomalies in the Pacific and Atlantic Oceans and South Texas precipitation and streamflow variability
Murgulet, Dorina1,2; Valeriu, Murgulet1,2; Hay, Richard R.2; Tissot, Philippe1,3; Mestas-Nunez, Alberto M.4
通讯作者Murgulet, Dorina
来源期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
EISSN1879-2707
出版年2017
卷号550页码:726-739
英文摘要

While many studies have described linkages between large-scale climate phenomena and precipitation and streamflow, fewer studies explicitly address the climatic modulations at sub-regional scales. This study quantifies statistically the temporal variability in precipitation and streamflow at a regional scale in the semi-arid area of South Texas associated with three climate indices: El Nino-Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO), and Atlantic Multidecadal Oscillation (AMO). Results show that ENSO and PDO strongly modulate rainfall during the cold season and, to various extents, streamflow during the cold and warm seasons. In addition, this study shows that in South Texas streamflow is consistently below normal (i.e. means) while precipitation slightly increases during AMO-warm. To different extents, the Pacific and Atlantic sea surface temperature (SST) anomalies show stronger influences on the climate of South Texas when coupled. Droughts are more correlated with La Nina events but these events play a secondary role during PDO-cold. Although the PDO-cold phase is the dominant driver of droughts in this area, our analyses also show that the coupled effect of the PDO-cold/AMO-warm phases significantly increases the intensity of drought conditions to a degree similar to the PDO-cold/La Nina coupled effect. Given its stronger response to climate anomalies, streamflow offers a more effective tool for predicting climate variability impacts on South Texas water resources when compared to precipitation. (C) 2017 Elsevier B.V. All rights reserved.


英文关键词ENSO PDO AMO South Texas Climate impacts Precipitation and streamflow variability
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000404816000056
WOS关键词UNITED-STATES ; EL-NINO ; MULTIDECADAL OSCILLATION ; RIVER ; PATTERNS ; RAINFALL ; ENSO ; PDO
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200583
作者单位1.Texas A&M Univ, Dept Phys & Environm Sci, 6300 Ocean Dr, Corpus Christi, TX 78412 USA;
2.Texas A&M Univ, Ctr Water Supplies Studies, Corpus Christi, TX USA;
3.Texas A&M Univ, Conrad Blucher Inst, Corpus Christi, TX USA;
4.Univ Texas San Antonio, Dept Geol Sci, San Antonio, TX USA
推荐引用方式
GB/T 7714
Murgulet, Dorina,Valeriu, Murgulet,Hay, Richard R.,et al. Relationships between sea surface temperature anomalies in the Pacific and Atlantic Oceans and South Texas precipitation and streamflow variability[J],2017,550:726-739.
APA Murgulet, Dorina,Valeriu, Murgulet,Hay, Richard R.,Tissot, Philippe,&Mestas-Nunez, Alberto M..(2017).Relationships between sea surface temperature anomalies in the Pacific and Atlantic Oceans and South Texas precipitation and streamflow variability.JOURNAL OF HYDROLOGY,550,726-739.
MLA Murgulet, Dorina,et al."Relationships between sea surface temperature anomalies in the Pacific and Atlantic Oceans and South Texas precipitation and streamflow variability".JOURNAL OF HYDROLOGY 550(2017):726-739.
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