Monitoring heat losses using Landsat ETM+ thermal infrared data - a case study at Kuju fumarolic area in Japan

Md Bodruddoza Mia, Yasuhiro Fujimitsu

研究成果: ジャーナルへの寄稿記事

3 引用 (Scopus)

抄録

To monitor heat losses using Landsat 7 thermal infrared data from 2002 to 2010 within the active fumarolic region of Kuju volcano in Japan, we used the Stefan-Boltzmann equation for radiative heat flux (RHF) estimation. Heat discharge rate (HDR) was calculated by using the relationship coefficient of RHF and HDR, obtained from two previous studies. The highest total RHF was found to be about 57.7 MW in 2002 and the lowest was about 21.1 MW in 2010. We found the highest HDR, of about 384.5 MW, in 2002 and the lowest, of about 140.8 MW, in 2010. The RHF anomalous areas were showing a declining trend during our study period. The relationship between the land surface temperature (LST) above ambient and RHF was, as expected, in a strong correlation for each result during our study period. Overall, our study was able to delineate the declining trend of heat losses that supports a previous study of similar declining trend of HDR using steam maximum diameter method from the active fumarolic region of Kuju volcano.

元の言語英語
ページ(範囲)1262-1278
ページ数17
ジャーナルActa Geophysica
61
発行部数5
DOI
出版物ステータス出版済み - 10 1 2013

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Landsat
heat flux
Japan
heat
monitoring
trends
volcanoes
volcano
Landsat 7
land surface temperature
land surface
surface temperature
steam
loss
rate
coefficients
trend

All Science Journal Classification (ASJC) codes

  • Geophysics

これを引用

Monitoring heat losses using Landsat ETM+ thermal infrared data - a case study at Kuju fumarolic area in Japan. / Mia, Md Bodruddoza; Fujimitsu, Yasuhiro.

:: Acta Geophysica, 巻 61, 番号 5, 01.10.2013, p. 1262-1278.

研究成果: ジャーナルへの寄稿記事

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