Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation Model

To simulate the current climate, a 20-year integration of a non-hydrostatic regional climate model (NHRCM) with grid spacing of 5 and 2 km (NHRCM05 and NHRCM02, respectively) was nested within the AGCM. The three models did a similarly good job of simulating surface air temperature, and the spatial...

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Main Authors: Reinhardt Pinzón, Noriko N. Ishizaki, Hidetaka Sasaki, Tosiyuki Nakaegawa
Format: Article
Language:English
Published: MDPI AG 2021-11-01
Series:Atmosphere
Subjects:
Online Access:https://www.mdpi.com/2073-4433/12/12/1543
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author Reinhardt Pinzón
Noriko N. Ishizaki
Hidetaka Sasaki
Tosiyuki Nakaegawa
author_facet Reinhardt Pinzón
Noriko N. Ishizaki
Hidetaka Sasaki
Tosiyuki Nakaegawa
author_sort Reinhardt Pinzón
collection DOAJ
description To simulate the current climate, a 20-year integration of a non-hydrostatic regional climate model (NHRCM) with grid spacing of 5 and 2 km (NHRCM05 and NHRCM02, respectively) was nested within the AGCM. The three models did a similarly good job of simulating surface air temperature, and the spatial horizontal resolution did not affect these statistics. NHRCM02 did a good job of reproducing seasonal variations in surface air temperature. NHRCM05 overestimated annual mean precipitation in the western part of Panama and eastern part of the Pacific Ocean. NHRCM05 is responsible for this overestimation because it is not seen in MRI-AGCM. NHRCM02 simulated annual mean precipitation better than NHRCM05, probably due to a convection-permitting model without a convection scheme, such as the Kain and Fritsch scheme. Therefore, the finer horizontal resolution of NHRCM02 did a better job of replicating the current climatological mean geographical distributions and seasonal changes of surface air temperature and precipitation.
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spelling doaj.art-89ccd271a6c54ed1b5571ac4dce2df032023-11-23T03:45:10ZengMDPI AGAtmosphere2073-44332021-11-011212154310.3390/atmos12121543Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation ModelReinhardt Pinzón0Noriko N. Ishizaki1Hidetaka Sasaki2Tosiyuki Nakaegawa3Centro de Investigaciones Hidráulicas e Hidrotécnicas (CIHH), Group HPC-Cluster-Iberogun, Universidad Tecnológica de Panamá (UTP), Panamá City P.O. Box 0819-07289, PanamaNational Institute for Environmental Studies, Tsukuba 305-8506, JapanMeteorological Research Institute, Tsukuba 305-0052, JapanMeteorological Research Institute, Tsukuba 305-0052, JapanTo simulate the current climate, a 20-year integration of a non-hydrostatic regional climate model (NHRCM) with grid spacing of 5 and 2 km (NHRCM05 and NHRCM02, respectively) was nested within the AGCM. The three models did a similarly good job of simulating surface air temperature, and the spatial horizontal resolution did not affect these statistics. NHRCM02 did a good job of reproducing seasonal variations in surface air temperature. NHRCM05 overestimated annual mean precipitation in the western part of Panama and eastern part of the Pacific Ocean. NHRCM05 is responsible for this overestimation because it is not seen in MRI-AGCM. NHRCM02 simulated annual mean precipitation better than NHRCM05, probably due to a convection-permitting model without a convection scheme, such as the Kain and Fritsch scheme. Therefore, the finer horizontal resolution of NHRCM02 did a better job of replicating the current climatological mean geographical distributions and seasonal changes of surface air temperature and precipitation.https://www.mdpi.com/2073-4433/12/12/1543MRI-AGCMPanamaprecipitationNHRCMsurface air temperaturepresent climate
spellingShingle Reinhardt Pinzón
Noriko N. Ishizaki
Hidetaka Sasaki
Tosiyuki Nakaegawa
Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation Model
Atmosphere
MRI-AGCM
Panama
precipitation
NHRCM
surface air temperature
present climate
title Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation Model
title_full Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation Model
title_fullStr Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation Model
title_full_unstemmed Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation Model
title_short Panama’s Current Climate Replicability in a Non-Hydrostatic Regional Climate Model Nested in an Atmospheric General Circulation Model
title_sort panama s current climate replicability in a non hydrostatic regional climate model nested in an atmospheric general circulation model
topic MRI-AGCM
Panama
precipitation
NHRCM
surface air temperature
present climate
url https://www.mdpi.com/2073-4433/12/12/1543
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