Trends and variability in precipitation across Turkey: a multimethod statistical analysis

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dc.authoridYETIK, ALI KAAN/0000-0003-1372-8407
dc.authoridsen, burak/0000-0001-8105-1106
dc.contributor.authorYetik, Ali Kaan
dc.contributor.authorArslan, Bilge
dc.contributor.authorSen, Burak
dc.date.accessioned2024-11-07T13:32:14Z
dc.date.available2024-11-07T13:32:14Z
dc.date.issued2024
dc.departmentNiğde Ömer Halisdemir Üniversitesi
dc.description.abstractAnalyzing trends in precipitation data is crucial for understanding the effects of climate change and making informed decisions about water management and crop patterns. The objective of the presented study was to investigate precipitation trends, analyze temporal and spatial variations and identify potential change points in Turkey throughout the period from 1980 to 2019. Precipitation data were analyzed for both regional and 81 meteorological stations in Turkey on a monthly, seasonal, and annual basis. Spearman rank correlation and Mann-Kendall tests were utilized to detect possible trends and Sen's slope test to estimate the magnitude of change throughout the entire time series. The average precipitation amount of Turkey was determined 639.2 mm between the years 1980 and 2019. While Central Anatolian and Eastern Anatolian regions had below 639.2 mm, other regions were above. The range of seasonal precipitation values were found for winter 128.7-320.8 mm, 108.9-260.0 mm for spring, 43.9-109.3 mm for summer, and 79.7-238.4 mm for autumn. The analysis of the data revealed no significant increase or decrease in annual values on a regional basis, with the greatest change on a seasonal basis being observed in the winter. The 40-year trends of annual precipitation data belonging to 81 stations were decreasing in 23 provinces and increasing in 58 provinces, and 11 of them (14% of the total) were found to be statistically significant. Moreover, November was found to be a month of particular significance in terms of precipitation changes across the country, with a decrease observed in 80 out of 81 provinces. Spatial distribution analysis showed that the magnitude of variation in precipitation decreased as one moved from the southern to the northern regions of the country.
dc.description.sponsorshipThe authors are gratefully acknowledged to the Turkish State Meteorological Service for sharing meteorological data used for this study.
dc.description.sponsorshipThe authors are gratefully acknowledged to the Turkish State Meteorological Service for sharing meteorological data used for this study.
dc.identifier.doi10.1007/s00704-023-04645-4
dc.identifier.endpage488
dc.identifier.issn0177-798X
dc.identifier.issn1434-4483
dc.identifier.issue1
dc.identifier.scopus2-s2.0-85171288951
dc.identifier.scopusqualityQ2
dc.identifier.startpage473
dc.identifier.urihttps://doi.org/10.1007/s00704-023-04645-4
dc.identifier.urihttps://hdl.handle.net/11480/15301
dc.identifier.volume155
dc.identifier.wosWOS:001072907800001
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherSpringer Wien
dc.relation.ispartofTheoretical and Applied Climatology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241106
dc.subjectNorth-Atlantic Oscillation
dc.subjectClimate-Change
dc.subjectNonparametric-Tests
dc.subjectRainfall Variations
dc.subjectTime-Series
dc.subjectDrought
dc.subjectChemistry
dc.subjectFrequency
dc.subjectDynamics
dc.subjectImpacts
dc.titleTrends and variability in precipitation across Turkey: a multimethod statistical analysis
dc.typeArticle

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