Formation and disappearance of thermal stratification in a small shallow lake

Bui Quoc Lap, Nguyen Van Tuan, Kunihiko Hamagami, Shota Iguchi, Ken Mori, Hirai Yasumaru

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In closed water bodies which the inflow and outflow are usually small, vertical transportation based on the formation of water temperature stratification, the problem of water quality pollution due to the inhibition of mixing easily occur, especially the problems become serious in shallow water bodies. The main reasons that drive the formation and disappearance of water temperature stratification are mechanical disturbance caused by the acting of wind, or solar radiation in daytime, thermal disturbance due to radiational cooling at night. Clarifying the processes of formation and disappearance of stratification response to these two kinds of disturbance is very important for management and improvement of the environment in the water bodies. So, in this research, a shallow closed water body with the overgrowth of aquatic plants was targeted for field observation and quantitative discussion on the processes of formation and disappearance of the thermal stratification.

Original languageEnglish
Pages (from-to)251-259
Number of pages9
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume54
Issue number1
Publication statusPublished - Feb 2009

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Biotechnology

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