A practical pyrgeometer using the representative angle

Satoshi Sakai, Aya Ito, Kazuhiro Umetani, Isao IIzawa, Masanori Onishi

研究成果: Article査読

4 被引用数 (Scopus)

抄録

A simple directional pyrgeometer is tested and compared with a conventional standard pyrgeometer. The system presented in this article has a narrow directional response and points to the representative zenith angle of 52.5°. Because of its directional response, it can be used in a street canyon or in a forest provided that a small part of the sky is visible at the representative angle. The system can be assembled using inexpensive parts that are widely used in household appliances. As this system does not have a flat spectral sensitivity, a spectral correction method is also presented. The results show that the output of the new system agrees well with that from a conventional pyrgeometer (Kipp & Zonen CG3). The correlation coefficient is 0.995 and the standard deviation is 5.6 W m-2 for 1-h averaged values.

本文言語English
ページ(範囲)647-655
ページ数9
ジャーナルJournal of Atmospheric and Oceanic Technology
26
3
DOI
出版ステータスPublished - 2009
外部発表はい

ASJC Scopus subject areas

  • 海洋工学
  • 大気科学

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