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May 24 – 25, 2021
Faculty of Science, Prince of Songkla University
Asia/Bangkok timezone

Drought Analysis over northern Thailand based on SPI

Not scheduled
30m
Faculty of Science, Prince of Songkla University

Faculty of Science, Prince of Songkla University

Poster Environmental Physics, Atmospheric Physics, Geophysics and Renewable Energy

Speaker

Sujittra Ratjiranukool (Chiang Mai University)

Description

In this research, the Kalman filter method was applied for correcting precipitations simulated by a high resolution regional climate model, NHRCM during the period of 1980-1999. The improved average monthly precipitations were close to the stational observations. To reduce systematic error, the Kalman filter method was also applied to simulated monthly precipitations during the future period of 2080-2099. They were analyzed to evaluate drought condition during March-April (out rainy season) and June-July (in rainy season) by using Standardized Precipitation Index, SPI. Preliminary Analysis shows that drought during both periods slightly mitigate. Furthermore, the drought over upper northern Thailand was found in the wettest month during the southwest monsoon period, September. The other months during the monsoon active are wetter than the period of 1980-1999.

Primary author

Sujittra Ratjiranukool (Chiang Mai University)

Co-author

Dr Pakpoom Ratjiranukool (Department of Physics and General Science, Faculty of Science and Technology, Chiang Mai Rajabhat University, Thailand)

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Paper