Cirrus Cloud Radiative Forcing Derived from Synergetic Use of MODIS Analyses and Ground-Based Observations

Shuichiro Katagiri; Nobuyuki Kikuchi; Takashi Y. Nakajima; Akiko Higurashi; Atsushi Shimizu; Ichiro Matsui; Tadahiro Hayasaka; Nobuo Sugimoto; Tamio Takamura; Teruyuki Nakajima

doi:10.2151/sola.2010-007

Shuichiro Katagiri, Nobuyuki Kikuchi, Takashi Y. Nakajima, Akiko Higurashi, Atsushi Shimizu, Ichiro Matsui, Tadahiro Hayasaka, Nobuo Sugimoto, Tamio Takamura, Teruyuki Nakajima

Author information

Shuichiro Katagiri
Japan Aerospace Exploration Agency
Nobuyuki Kikuchi
National Institute for Environmental Studies
Takashi Y. Nakajima
Tokai University
Akiko Higurashi
National Institute for Environmental Studies
Atsushi Shimizu
National Institute for Environmental Studies
Ichiro Matsui
National Institute for Environmental Studies
Tadahiro Hayasaka
Tohoku University
Nobuo Sugimoto
National Institute for Environmental Studies
Tamio Takamura
Chiba University
Teruyuki Nakajima
The University of Tokyo

JOURNAL FREE ACCESS
Supplementary material

2010 Volume 6 Pages 25-28

DOI https://doi.org/10.2151/sola.2010-007

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Abstract

We have been performing radiative budget measurements at a ground-based observatory located on Fukue Island. In this study, we analyzed the data from instruments installed in the observatory and the data observed by MODIS, the satellite-borne imager, to evaluate cirrus cloud radiative forcing (CRF). The result shows that CRF took a large positive value as 127.98 W m^-2 at the top of the atmosphere (TOA) and a small positive value as 13.2 W m^-2 at the surface. As a result, it was found that optically very thin cirrus clouds exert a strong warming effect on the Earth's system and a weak warming effect on the Earth's surface when aerosols are not taken into account.

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