Difference in the Priestley-Taylor coefficients at two different heights of a tall micrometeorological tower

Jaeil Cho, Wonsik Kim, Shin Miyazaki, Daisuke Komori, Hyungjun Kim, Kyung Soo Han, Shinjiro Kanae, Taikan Oki

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

The eddy covariance method is highly recommended for measuring in situ water vapor flux. In this study, eddy covariance systems were installed at two heights (30. m and 100. m) on a micrometeorological tower located in a tropical mixed forest. We have identified a difference in the Priestley-Taylor coefficients (α), calculated at 30. m and 100. m, with vertical variation of water vapor flux, and this height-dependent difference is smaller when the vertical difference in wind speeds is higher. It will be useful to consider this result in the analysis of measurement data for model validation.

Original languageEnglish
Pages (from-to)97-101
Number of pages5
JournalAgricultural and Forest Meteorology
Volume180
DOIs
Publication statusPublished - 2013 Oct 5

Keywords

  • Eddy covariance method
  • Priestley-Taylor coefficient
  • Vertical difference
  • Wind speed

ASJC Scopus subject areas

  • Forestry
  • Global and Planetary Change
  • Agronomy and Crop Science
  • Atmospheric Science

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