Ground-based measurement of column-averaged mixing ratios of methane and carbon dioxide in the Sichuan Basin of China by a desktop optical spectrum analyzer

Xiu Chun Qin, Tomoki Nakayama, Yutaka Matsumi, Masahiro Kawasaki, Akiko Ono, Sachiko Hayashida, Ryoichi Imasu, Li Ping Lei, Isao Murata, Takahiro Kuroki, Masafumi Ohashi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Remote sensing of the atmospheric greenhouse gases, methane (CH4) and carbon dioxide (CO2), contributes to the understanding of global warming and climate change. A portable ground-based instrument consisting of a commercially available desktop optical spectrum analyzer and a small sun tracker has been applied to measure the column densities of atmospheric CH4 and CO2 at Yanting observation station in a mountainous paddy field of the Sichuan Basin from September to November 2013. The column-averaged dry-air molar mixing ratios, XCH4/XCO2, are compared with those retrieved by satellite observations in the Sichuan Basin and by ground-based network observations in the same latitude zone as the Yanting observation station.

Original languageEnglish
Article number012002
JournalJournal of Applied Remote Sensing
Volume12
Issue number1
DOIs
Publication statusPublished - 2018 Jan 1

Keywords

  • methane emission
  • paddy field
  • portable instrument
  • remote area

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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