Rainfall and rainy days trend and ENSO phenomena in Himalayan Kingdom of Bhutan

Sharma, Vasker; Adhikari, Kirtan

doi:10.1007/s11600-022-00839-y

Artykuł - szczegóły

Tytuł artykułu

Rainfall and rainy days trend and ENSO phenomena in Himalayan Kingdom of Bhutan

Autorzy

Sharma Vasker , Adhikari Kirtan

Wybrane pełne teksty z tego czasopisma

https://www.springer.com/journal/11600

Identyfikatory

DOI

10.1007/s11600-022-00839-y

Warianty tytułu

Języki publikacji

Abstrakty

The study explores the seasonal rainfall and rainy days trend in the Himalayan Kingdom of Bhutan. Mann-Kendall and Sen’s slope test was applied to detect the trend and magnitude of the trend for both the rainfall and rainy days. The trends are also analyzed with respect to the elevation of the climatic stations. Further, an attempt has been made to recognize the El-Ni ño-Southern Oscillation (ENSO)-rainfall interaction using station-based rainfall with the ENSO cycle considering the period of 33 years. Cross-correlation of ENSO and rainfall with respect to elevation has also been presented. The trend analysis showed that in the localized regions, both the rainfall and rainy days trend was significantly declining, however, the trend in most of the stations is hardly conspicuous which may be attributed to the influence of the orographic phenomena. From the ENSO-rainfall assessment, it was observed that rainfall in the southern foothills correlates negatively with the ENSO phenomena indicating intense rainfall after 1–2 months of the cooling phase of the Pacifc Ocean. However, such an ENSO effect is not observed in the majority of the meteorological stations which may be attributed to the location of the station in the mountainous region where the topography affects the rainfall variation.

Słowa kluczowe

rainfall rainy day Sen’s slope elevation Mann–Kendall test ENSO ONI index

opad deszczu deszczowy dzień nachylenie Sena podniesienie test Manna-Kendalla ENSO

Wydawca

Instytut Geofizyki PAN
Springer

Czasopismo

Acta Geophysica

Rocznik

2022

Tom

Vol. 70, no 4

Strony

1855--1869

Opis fizyczny

Bibliogr. 54 poz.

Twórcy

autor

Sharma Vasker

vaskersharma.jnec@rub.edu.bt

Department of Civil Engineering and Surveying, Jigme Namgyel Engineering College, Royal University of Bhutan, Dewathang, Samdrup Jongkhar 41001, Bhutan

https://orcid.org/0000-0002-2096-5999

autor

Adhikari Kirtan

adhikari.cst@rub.edu.bt
Department of Civil Engineering, College of Science and Technology, Royal University of Bhutan, Rinchending, Phuentsholing 21104, Bhutan

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-72cc47e9-5e4d-4aed-af23-6b9f9e9bc89c