2.2 Causes of extreme weather event in Thailand.
2.2.1 Drought in Thailand
The causes of drought from natural, such as changes in global temperature, climate change caused dry spell, rain delay and unseasonal rain, changes in sea level, and natural disasters such as hurricane, earthquakes, wildfires. The causes of drought from human, such as ozone depletion, the greenhouse effect, industrial development and deforestation (Thai Meteorological Department, 2014).