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dc.contributor.authorDogar, Muhammad Mubashar
dc.contributor.authorSato, Tomonori
dc.date.accessioned2018-11-08T11:54:31Z
dc.date.available2018-11-08T11:54:31Z
dc.date.issued2018-11-05
dc.identifier.citationDogar MM, Sato T (2018) Analysis of Climate Trends and Leading Modes of Climate Variability for MENA Region. Journal of Geophysical Research: Atmospheres. Available: http://dx.doi.org/10.1029/2018jd029003.
dc.identifier.issn2169-897X
dc.identifier.doi10.1029/2018jd029003
dc.identifier.urihttp://hdl.handle.net/10754/629722
dc.description.abstractThe Middle East and North Africa (MENA), primarily the Arabian Peninsula (AP) is a region where the rate of mean surface temperature rise per decade is among the highest globally known during the recent past. Moreover, MENA regional climate is very sensitive to internal and external climate drivers. Therefore, it is of significant practical importance to analyze MENA sensitivity to climate trends as well as leading variability modes such as El Nino Southern Oscillation (ENSO), North Atlantic Oscillation (NAO) and Indian summer monsoon (ISM). Using multiple regression technique on observations and the high-resolution atmospheric model (HiRAM) output, this study investigates the role of climate trends, and leading circulation modes such as NAO, ENSO, and ISM in inducing temperature and precipitation variability in MENA region for the period 1979-2008. Our results show substantial regional temperature and precipitation responses of ENSO, NAO, and ISM over MENA. Both the model and the observations indicate that positive phase of NAO and ENSO significantly cools central parts of MENA, in particular, the AP in winter. However, in boreal summer, the warm ENSO phase produces significant warming and drying over the tropical region. The strengthening (weakening) of ISM suggests cooling (warming) and wetting (drying) over MENA rain-belt region. Moreover, ISM induces a dipole precipitation structure over the tropics caused by ITCZ shift and associated cloud distribution. HiRAM slightly underestimates NAO and ENSO winter cooling over the AP, however; overall patterns are well reproduced. The conducted analysis sheds light on the internal mechanisms of MENA climate variability.
dc.description.sponsorshipThe King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia supported the research reported in this publication. The GFDL-HIRAM simulation data can be accessed from http://nomads.gfdl.noaa.gov:8080/DataPortal/cmip5.jsp. The UDEL observations dataset used in this study is provided by the NOAA/OAR/ESRL PSD, Boulder, Colorado, USA, through their web site at http://www.esrl.noaa.gov/psd/
dc.publisherAmerican Geophysical Union (AGU)
dc.relation.urlhttps://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018JD029003
dc.rightsArchived with thanks to Journal of Geophysical Research: Atmospheres
dc.subjectClimate Modes of Variability
dc.subjectENSO
dc.subjectNAO
dc.subjectIndian summer monsoon
dc.subjectMENA
dc.subjectClimate Trends
dc.titleAnalysis of Climate Trends and Leading Modes of Climate Variability for MENA Region
dc.typeArticle
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Division
dc.contributor.departmentEarth Science and Engineering Program
dc.identifier.journalJournal of Geophysical Research: Atmospheres
dc.eprint.versionPost-print
dc.contributor.institutionGlobal Change Impact Studies Centre (GCISC), Ministry of Climate Change; Islamabad Pakistan
dc.contributor.institutionFaculty of Environmental Earth Science, Hokkaido University; Sapporo Japan
kaust.personDogar, Muhammad Mubashar
refterms.dateFOA2018-11-08T12:42:43Z


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