Seasonal trend of water budget at rain-fed paddy field in central-Thailand

Komori Daisuke, Aoki Masatoshi, Kim Wonsik, Miyazaki Shin, Cho Jaeil, Boonyawa Samakkee, Polson Panya, Pukngam Somnimit, Tongdeenok Piyapong, Kanae Shinjiro, Oki Taikan, Musiake Katumi

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

For understanding the interaction between vegetation and atmosphere over paddy field, a rain-fed paddy field, micrometeorological observation site, Sukhothai has been started since March 1997. This observation site, located in the Chaophraya river basin, is one of the sites in the framework of the GAME project. From the eight-year data analysis, it was found that the submerge process was different between 1999 and 2005. This indicates that water resource management is changing from purely rain-fed to carry water to farms such as artificial flood. From surface energy fluxes observations, it was found that the timing of decreasing submerge water is important for estimation of water budget on rain-fed paddy field. In the dry season, it was found that dew condensation is strongly related to evaporation with low surface temperature in the early morning and non-low amount of water vapor even in the dry season.

Original languageEnglish
Title of host publicationAdvances in Geosciences
Subtitle of host publicationVolume 11: Hydrological Science (HS)
PublisherWorld Scientific Publishing Co.
Pages365-375
Number of pages11
ISBN (Electronic)9789812836144
ISBN (Print)9812836136, 9789812836137
DOIs
Publication statusPublished - 2009 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

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