Overview of Earth, Clouds, Aerosols and Radiation Explorer (EarthCARE)

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  • KIKUCHI Maki
    Earth Observation Research Center, Japan Aerospace Exploration Agency
  • OKI Riko
    Earth Observation Research Center, Japan Aerospace Exploration Agency
  • KUBOTA Takuji
    Earth Observation Research Center, Japan Aerospace Exploration Agency
  • YOSHIDA Mayumi
    Earth Observation Research Center, Japan Aerospace Exploration Agency
  • HAGIHARA Yuichiro
    Earth Observation Research Center, Japan Aerospace Exploration Agency
  • TAKAHASHI Chikako
    Earth Observation Research Center, Japan Aerospace Exploration Agency
  • OHNO Yuichi
    Applied Electromagnetic Research Institute, National Institute of Information and Communications Technology
  • NISHIZAWA Tomoaki
    Center for Environmental Measurement and Analysis, National Institute for Environmental Studies
  • Y. NAKAJIMA Takashi
    Research and Information Center (TRIC), Tokai University
  • SUZUKI Kentaroh
    Atmosphere and Ocean Research Institute, The University of Tokyo
  • SATOH Masaki
    Atmosphere and Ocean Research Institute, The University of Tokyo
  • OKAMOTO Hajime
    Research Institute for Applied Mechanics, Kyushu University
  • TOMITA Eiichi
    EarthCARE/CPR Project Team, Japan Aerospace Exploration Agency

Bibliographic Information

Other Title
  • 雲エアロゾル放射ミッション「EarthCARE」
  • 雲エアロゾル放射ミッション「EarthCARE」 : 雲・エアロゾルとその放射影響の統合的観測
  • クモ エアロゾル ホウシャ ミッション 「 EarthCARE 」 : クモ ・ エアロゾル ト ソノ ホウシャ エイキョウ ノ トウゴウテキ カンソク
  • —Integrative Observation of Cloud and Aerosol and Their Radiative Effects on the Climate System—
  • —雲・エアロゾルとその放射影響の統合的観測—

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Abstract

<p>The Earth, Clouds, Aerosols and Radiation Explorer (EarthCARE) mission is a European-Japanese joint satellite mission that aims to provide the global observations necessary to advance our understanding of clouds and aerosols and their radiative effect on the Earth’s climate system. Toward this goal, the EarthCARE satellite loads two active instruments, Cloud Profiling Radar (CPR) and Atmospheric Lidar (ATLID), offering vertical profiles of clouds and aerosols, together with light drizzles, whose properties are extended horizontally using complementary measurement by Multispectral Imager (MSI). The properties thus obtained are then used to estimate outgoing shortwave and longwave radiation at the top of the atmosphere, which is evaluated against measurements taken by the fourth sensor, Broadband Radiometer (BBR). Such a “closure assessment” is used to give feedback to the microphysical property profiles and optimize them, if necessary, to offer consistent three-dimensional datasets of cloud-aerosol-precipitation-radiation fields. EarthCARE’s integrative global observation of clouds, aerosols and radiation with the new measurement capabilities, particularly with Doppler velocity, is expected to not only extend the A-Train measurement toward a longer-term climate record, but also to advance our perspective on the fundamental role that global clouds have within the climate system in the context of their relationships to dynamical processes and their interactions with aerosols and radiation. This review paper provides an overview of the mission, the satellite and its payloads, with a particular focus on the algorithm and products developed in Japan, and areas of scientific study expected to progress.</p>

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