Changing seasonality in Bangladesh

Moinul Islam, Koji Kotani

Research output: Contribution to journalArticle

Abstract

Bangladesh is reported to suffer from climatic changes, and local people begin to wonder that six seasons in Bangladeshi annual calendar transition to four seasons. We collected observations of key climate variables from the weather station in Dhaka, and conducted surveys with 1,011 respondents and seven experts to address whether six seasons are becoming four seasons. To scientifically identify this, we apply nonparametric statistical methods to the climate variables and test whether any pair of two neighboring seasons is converging into one. The statistical analysis shows “convergence” for specific two pairs of two neighboring seasons, meaning that the annual calendar now consists of four seasons, not six. The 65 % of respondents believe that the annual calendar transitions to four seasons. The results imply that the effect of climatic changes becomes evident to the extent that people correctly perceive some fundamental seasonal changes.

Original languageEnglish
Pages (from-to)585-590
Number of pages6
JournalRegional Environmental Change
Volume16
Issue number2
DOIs
Publication statusPublished - Feb 1 2016

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change

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