Arid
DOI10.1029/2020JD033646
Influence of African Atmospheric Rivers on Precipitation and Snowmelt in the Near East's Highlands
Bozkurt, D.; Sen, O. L.; Ezber, Y.; Guan, B.; Viale, M.; Caglar, F.
Corresponding AuthorBozkurt, D (corresponding author), Univ Valparaiso, Dept Meteorol, Valparaiso, Chile. ; Bozkurt, D (corresponding author), Ctr Climate & Resilience Res CR 2, Santiago, Chile.
JournalJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
Year Published2021
Volume126Issue:4
Abstract in EnglishAtmospheric rivers (ARs) traveling thousands of kilometers over arid North Africa could interact with the highlands of the Near East (NE), and thus affect the region's hydrometeorology and water resources. Here, we use a state-of-the-art AR tracking database, and reanalysis and observational datasets to investigate the climatology (1979-2017) and influences of these ARs in snowmelt season (March-April). The Red Sea and northeast Africa are found to be the major source regions of these ARs, which are typically associated with the eastern Mediterranean trough positioned over the Balkan Peninsula and a blocking anticyclone over the NE-Caspian region, triggering southwesterly air flow toward the NE's highlands. Approximately 8% of the ARs are relatively strong (integrated water vapor transport >similar to 275 kg m(-1) s(-1)). AR days exhibit enhanced precipitation over the crescent-shaped orography of the NE region. Mean AR days indicate wetter (up to + 2 mm day(-1)) and warmer (up to + 1.5 degrees C) conditions than all-day climatology. On AR days, while snowpack tends to decrease (up to 30%) in the Zagros Mountains, it can show decreases or increases in the Taurus Mountains depending largely on elevation. A further analysis with the observations and reanalysis indicates that extreme ARs coinciding with large scale sensible heat transport can significantly increase the daily discharges. These results suggest that ARs can have notable impacts on the hydrometeorology and water resources of the region, particularly of lowland Mesopotamia, a region that is famous with great floods in the ancient narratives.
Keyword in EnglishEuphrates‐ Tigris Basin extreme precipitation hydrometeorology moisture transport runoff snow
SubtypeArticle
Language英语
Indexed BySCI-E
WOS IDWOS:000624348900036
WOS KeywordEXTREME PRECIPITATION ; MEDITERRANEAN CLIMATE ; INLAND PENETRATION ; SYNOPTIC-SCALE ; VARIABILITY ; MOISTURE ; IMPACTS ; WATER ; CIRCULATION ; TRANSPORT
WOS SubjectMeteorology & Atmospheric Sciences
WOS Research AreaMeteorology & Atmospheric Sciences
Source InstitutionUniversity of California, Los Angeles
Document Type期刊论文
Identifierhttp://119.78.100.177/qdio/handle/2XILL650/369002
Affiliation[Bozkurt, D.] Univ Valparaiso, Dept Meteorol, Valparaiso, Chile; [Bozkurt, D.] Ctr Climate & Resilience Res CR 2, Santiago, Chile; [Sen, O. L.; Ezber, Y.; Caglar, F.] Istanbul Tech Univ, Eurasia Inst Earth Sci, Istanbul, Turkey; [Guan, B.] Univ Calif Los Angeles, Joint Inst Reg Earth Syst Sci & Engn, Los Angeles, CA USA; [Guan, B.] CALTECH, Jet Prop Lab, Pasadena, CA USA; [Viale, M.] Consejo Nacl Invest Cient & Tecn CONICET, Inst Argentino Nivol Glaciol & Ciencias Ambiental, Mendoza, Argentina
Recommended Citation
GB/T 7714
Bozkurt, D.,Sen, O. L.,Ezber, Y.,et al. Influence of African Atmospheric Rivers on Precipitation and Snowmelt in the Near East's Highlands[J]. University of California, Los Angeles,2021,126(4).
APA Bozkurt, D.,Sen, O. L.,Ezber, Y.,Guan, B.,Viale, M.,&Caglar, F..(2021).Influence of African Atmospheric Rivers on Precipitation and Snowmelt in the Near East's Highlands.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,126(4).
MLA Bozkurt, D.,et al."Influence of African Atmospheric Rivers on Precipitation and Snowmelt in the Near East's Highlands".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 126.4(2021).
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