Effects of Doubled CO2-Induced Climatic Changes on Heat Balance of Ponded Shallow Water in Japan

Shunji Ohta, Zenbei Uchijima, Hiro Shi Seino

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Changes in heat balance characteristics of ponded shallow water in Japan under the current and future climates were investigated using a simple physical model for estimating water temperature with climatic data and the future climate scenario. The most notable results from the simulations were that the latent heat loss from the shallow water in the period June to August under the doubled CO2-climate would become larger by about 2.0 MJ m-2 day-1, compared with that under the present climate conditions. The increase in the latent heat loss under the doubled CO2-climate may lead to concomitant decrease in sensible heat loss from the shallow wter to air under the doubled CO2-climates. The changes in the heat balance characteristics resulted in a decrease in the Bowen ratio of the ponded shallow water under the doubled CO2-climate conditions.

Original languageEnglish
Pages (from-to)1-10
Number of pages10
Journaljournal of agricultural meteorology
Issue number1
Publication statusPublished - 1996 Jan 1


  • Climatic change
  • Heat balance
  • Rice plant
  • Water temperature

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Atmospheric Science


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