Long-term performance of a solar-powered small automatic rainwater collector and its application to acid deposition monitoring in the southeast mountainside of Mt. Fuji

Shohei Maruyama, Hiroshi Okochi, Naoki Takemura, Yukiya Minami

研究成果: Article

抜粋

The performance of a solar-powered small automatic rainwater collector was investigated, which was developed with an emphasis on small-size, lightweight, and inexpensive for use in a wet deposition monitoring network in a mountainous area. It was studied at Tarobo, which is located at the southeast mountainside (1300 m a.s.l.) on Mt. Fuji, during four years from July 2005 to September 2009. The rainfall amounts estimated by the automatic rainwater collector corresponded to those observed by a rain gauge verified by Japan Meteorological Agency. A comparison of the rainwater chemistry by the automatic rainwater collector with that by a commercially available wet-only sampler indicates that the automatic rainwater collector is available for use in wet deposition monitoring in mountainous areas. The mean annual wet deposition fluxes of H+, NH4+, NO3-, and SO42- at Tarobo were 48.9, 35.0, 38.0 and 69.4 meq/m2/y during three years from 2006 to 2008, respectively, and were higher than those at remote sites in Japan, particularly NO3- deposition. The concentration of acidic substances at Tarobo was nearly equal to those at remote sites in Japan, so it is expected for Tarobo to be in use for a remote site of an acid-deposition monitoring network in Japan because of easy access to Tarobo.

元の言語English
ページ(範囲)357-362
ページ数6
ジャーナルBUNSEKI KAGAKU
59
発行部数5
DOI
出版物ステータスPublished - 2010 7 16

ASJC Scopus subject areas

  • Analytical Chemistry

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