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Precipitation Ensemble Data Assimilation in NWP Models

Chapter
First Online:
Part of the Advances in Global Change Research book series (AGLO, volume 69)

Abstract

This chapter describes the authors’ effort on ensemble data assimilation of satellite precipitation measurements. The Local Ensemble Transform Kalman Filter (LETKF) was implemented with the Nonhydrostatic Icosahedral Atmospheric Model (NICAM), and JAXA’s GSMaP (Global Satellite Mapping of Precipitation) data were assimilated at 112-km resolution.

Keywords

Precipitation Numerical weather prediction Data assimilation Local Ensemble Transform Kalman Filter (LETKF) Nonhydrostatic Icosahedral Atmospheric Model (NICAM) JAXA RIKEN GSMaP TRMM TMPA NCEP 
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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.RIKEN Center for Computational ScienceKobeJapan
  2. 2.Center for Environmental Remote SensingChiba UniversityChibaJapan
  3. 3.Research and Development CenterCentral Weather BureauTaipeiTaiwan
  4. 4.Satellite Observation CenterNational Institute for Environmental StudiesTsukubaJapan
  5. 5.Atmosphere and Ocean Research Institute (AORI)The University of TokyoChibaJapan
  6. 6.Department of Atmospheric and Oceanic ScienceUniversity of MarylandCollege ParkUSA

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