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  1. Yangon Technological University
  2. Department of Civil Engineering

Long-term Changes in Annual Precipitation and Monsoon Seasonal Characteristics in Myanmar

http://hdl.handle.net/20.500.12678/0000005237
http://hdl.handle.net/20.500.12678/0000005237
5472fae5-3a9c-4259-8e4e-7249e5199766
5b69b04c-8e80-4ed9-9cde-a2ca6fa05472
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Longterm-changes-in-Annual-Precipitation-and-Monsoon-Seasonal Longterm-changes-in-Annual-Precipitation-and-Monsoon-Seasonal Characteristics-in-Myanmar.pdf (2.9 Mb)
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Publication type
Journal article
Upload type
Publication
Title
Title Long-term Changes in Annual Precipitation and Monsoon Seasonal Characteristics in Myanmar
Language en
Publication date 2017-04-18
Authors
Win Win Zin
Martine Rutten
Description
Understanding the spatial and temporal precipitation patterns is essential for climate change and water resources management in Myanmar. In this study, trend detection was performed on historical precipitation series with a maximum length of 49 years. The Mann-Kendall non-parametric test and the Pettitt test were applied to detect trends and step changes in annual total precipitation, annual maximum precipitation and monsoon onset and withdrawal dates. Abrupt changes in trend detection were taken into account and trend analyses on the segments of records discriminated by change points were performed. For 17 out of 82 stations dominated significant trends in annual total precipitation were revealed when ignoring the presence of change points. Upward trends were mainly detected in the southern and coastal parts of the country and downward trends were mainly detected in the central part of the country. However, only two significant trends were detected in the subseries divided by change point. It is noticed that monsoon withdrawal dates have shifted to be early.
Keywords
Mann-Kendall, Myanmar, Precipitation, Pettitt, Trend
Identifier 10.4172/2157-7587.1000271
Journal articles
2
Hydrology Current Research
8
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