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WRF > link > eta levels | The Eta coordinate

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動作環境
Xeon E5-2620 v4 (8コア) x 2
32GB RAM
CentOS 6.8 (64bit)
NCAR Command Language Version 6.3.0
for WRF3.7.1, WPS3.7.1
  openmpi-1.8.x86_64 とその-devel
  mpich.x86_64 3.1-5.el6とその-devel
  gcc version 4.4.7 (とgfortran)
for WRF3.9, WPS3.9
  Open MPI v2.1.1
  gcc version 4.9.2 (とgfortran; devtoolset-3使用)
 NetCDF v4.4.1.1, NetCDF (Fortran API) v4.4.4
Python 2.6.6 (r266:84292, Aug 18 2016, 15:13:37) 
Python 3.6.0 on virtualenv
GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
date (GNU coreutils) 8.4 
tmux 1.6-3.el6

WRF(Weather Research and Forecasting Model)とその前処理であるWPS、およびWRFの後続処理のF***T関連。

シミュレーションにおいて高さ方向の定義を再確認している。

とある論文においてWRFでは eta levelsという定義を使っていることを知った。

以下に関連情報を見つけた。
http://forum.wrfforum.com/viewtopic.php?f=8&t=1621

上記のリンク先のwikirogerによるポストで下記のリンクが紹介されている。
http://collaboration.cmc.ec.gc.ca/cmc/CMOI/product_guide/docs/eta_info_doc_e.html

As shown by the red curves below, the Eta coordinate ranges in value from 1 at the surface of the earth and decreases to a value of 0.0 at the top of the atmosphere as defined by the computer model.

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