惑星大気研究会 (WTK)

惑星大気研究会とは

惑星大気研究会 (WTK) は, 惑星大気科学に関するさまざまな話題を議論する場です. 研究会とビデオ会議システムを用いたオンラインセミナーを行っています.

研究会, オンラインセミナーに関するお問い合わせは, 惑星大気研究会運営グループ wtk-staff at gfd-dennou.org までお願いします.

次回研究会, オンラインセミナー, 関係研究集会予定

オンラインセミナー

現在企画中です.

研究会

2017 年 2 月 21 日 (火) - 2 月 24 日(金) 「水惑星・陸惑星」

  • 場所 2/21 国立天文台( 三鷹キャンパス ), 2/23-24 CPS セミナー室 ( 神戸大学統合研究拠点3F )
  • 概要
    • Reading U. の David Ferreira 氏を招聘しての研究会: 午前中は David Ferreira 氏によるセミナー講演, 午後は日本側参加者による講演. 2/21(火) ならびに 2/23(木) は懇親会予定.
  • プログラム
    • 2 月 21 日 (火) "Atmosphers from aqua-planet to exoplanet" @ 国立天文台(講義室:正門を入って正面の建物。入ってすぐ右側。)
      • AM:
        • 10:00-12:00 David Ferreira (Reading U.) "Studying Earth (and other planets) as an aqua-planet"
          • Idealized set-ups offer a great laboratory to explore the most fundamental aspects of climate dynamics. In this lecture, I will describe a series of idealized GFD experiments with a numerical model of the coupled ocean-atmosphere-sea ice system. To focus on the coupling of the two fluids in its most elemental form, we avoid the complication arising from a realistic representation of geography/land-sea distributions. We use Aquaplanet set-ups where narrow continents are absent are reduced to narrow land barriers. Moving land barriers allows, for example, to turn on/off various components of the ocean circulation (gyre, circumpolar current, inter-hemispheric meridional overturning...). I will discuss some of the key findings of these experiments in an Earth-like configurations, as well as applications in an exoplanet context.
      • PM:
        • 13:30 David Ferreira : continued from AM lecture
        • 15:00 Ryo Furue (JAMSTEC) "Comment on Antarctic Circumpolar Current on the Earth"
        • 16:30 George Hashimoto (Okayama U.) "Variety of thermal structure of earth like planets"
        • 16:50 H. Kashimura (Kobe U., CPS) and N. Sugimoto? (Keio U.) "Simulation of Venus atmosphere"
        • 17:30 Shin-ichi Takehiro (RIMS) "Zonal mean flow of giant planets"
        • 17:50 Masaki Ishiwatari (Hokkaido U.) "Climate of synchronously rotating planets"
        • 18:20 Takashi Ito (CfA, NAOJ) "Comment: Eccentric Lidov-Kozai effect and planetary orbits"
      • 夕方: 懇親会
    • 2 月 23 日 (木) "Terrestrial Atmosphere and Ocean" @ CPS セミナー室
      • AM:
        • 10:00-13:00 David Ferreira (Reading U.) "The Southern ocean dynamics and its implications for global climate"
          • The Southern Ocean plays a key role in the global climate as a place where bottom water are formed and deep water are returned to the surface. Because of the absence of meridional boundaries, the Southern Ocean is also regulated by a specific dynamics where mesoscale eddies are critical. I will discuss the dynamics of the Southern Ocean, the concept of “eddy-compensation” (the insensitivity of the Southern Ocean to changes in wind) and the limitations of eddy parameterizations used in climate models. I will then describe recent work on the impact of the ozone hole on the Southern ocean and Antarctic sea ice, and connections with climate change.
      • PM:
        • 14:00 Y. Matsumura (Hokkaido U.) "Modeling microscale processes in the ocean"
        • 14:45 M. Nonaka (JAMSTEC) "Potential predictability of interannual variability in midlatitude Pacific Ocean circulation & Short Introduction of OGCM for Earth Simulator (OFES)"
        • 15:30 Cofee Break
        • 15:50 K. Nakajima (Kyushu U.) "Aqua-planet experiment (APE) review"
        • 16:20 T. Enomoto (Kyoto U.) "Predictability of tropical cyclone tracks: a multi-model multi-analysis approach"
        • 17:00 T. Horinouchi (Hokkaido U.) "Dynamical study of the Venusian atmosphere by using cloud tracking with the Venus satellite Akatsuki"
        • 17:30 T. Horinouchi (Hokkaido U.) "Meridional circulation in an aquaplanet AGCM with constant and slowly varying SST"
      • 夕方: 懇親会
    • 2 月 24 日 (金) "Model development" @ CPS セミナー室
      • AM:
        • 9:30-12:30 David Ferreira (Reading U.) "MITgcm capabilities and development"
          • The MITgcm has been designed so as to be extremely flexible, and able to tackle a wide range of geophysical fluid dynamics problems, from small-scale non-hydrostatic turbulence to planetary scale coupled applications. This flexibility is supported by the fact that the model includes much more than a fluid dynamical core, with a representation of sea, ice shelf, carbon cycle, etc and a range of parameterizations. In this lecture, I will review the capabilities of the MITgcm, its specificities, and how it is developed.
      • PM:
        • 13:30 S.Takehiro (Kyoto U.) Development of hierarchical system of models: GFD Dennou Club and Spmodel: A series of spectral models for GFD and its applications
        • 13:55 Y. O. Takahashi (Kobe U.) DCPAM: a GCM for planetary atmospheres
        • 14:20 K. Nakajima (Kyushu U.), K. Sugiyama (National Inst. Tech., Matsue College) Deepconv, moist convection model for planetary atmospheres and moist convection in the giant planets
        • 14:45 Y. Kawai (Kobe U./AICS) Development of a coupled model for aqua-planet simulations and aqua-planet simulation with zonally symmetric dynamic ocean
        • 15:10 Cofee Break
        • 15:25 S. Nishizawa & H. Tomita (AICS, RIKEN) SCALE-* and CBLEAM
        • 16:00 Discussion

その他

現在企画中です.

過去の研究会等の資料

過去の研究会, オンラインセミナーの情報, 及び講演資料を公開しています [過去の研究会等の資料].

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