Japan Geoscience Union Meeting 2021

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A (Atmospheric and Hydrospheric Sciences ) » A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS01] Large-scale moisture and organized cloud systems

Fri. Jun 4, 2021 5:15 PM - 6:30 PM Ch.07

convener:Satoru Yokoi(Japan Agency for Marine-Earth Science and Technology), Hiroaki Miura(The University of Tokyo), Atsushi Hamada(University of Toyama), Masaki Satoh(Atmosphere and Ocean Research Institute, The University of Tokyo)

5:15 PM - 6:30 PM

[AAS01-P04] A conservative and consistent remapping of moisture on the icosahedral mesh

*Hiroaki Miura1 (1.The University of Tokyo)

Keywords:remapping, reconstruction

A novel remapping scheme is developed as a basis of the seamless integration of a multi-scale atmosphere model on the icosahedral mesh. The remapping scheme enables a conservative, consistent, and third-order accurate two-way remapping between coarser and finer icosahedral meshes. A two-dimensional quadratic profile is reconstructed locally. The scheme can be used for the variables defined for the hexagonal/pentagonal cells such as density and moisture.