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Model of the Regional Coupled Earth system (MORCE): Application to process and climate studies in vulnerable regions

Model of the Regional Coupled Earth system (MORCE): Application to process and climate studies in vulnerable regions
Model of the Regional Coupled Earth system (MORCE): Application to process and climate studies in vulnerable regions
The vulnerability of human populations and natural systems and their ability to adapt to extreme events and climate change vary with geographic regions and populations. Regional climate models (RCM), composed by an atmospheric component coupled to a land surface scheme and driven over ocean areas by prescribed sea surface temperature, have been developed to produce fine scale regional climate change information useful for impact assessment and adaptation studies. Although RCM can be sufficient for many applications, the Earth system is composed of the physical, chemical, biological, and social components, processes, and interactions that together determine the state and dynamics of Earth, including its biota and human occupants. Developing regional Earth system models has thus two primary motivations: (1) with respect to climate science, to improve modeling capabilities and better understand coupled processes at regional scales and (2) to support stakeholders who aim to use climate information for regionally-specific impact assessment and adaptation planning. IPSL in collaboration with ENSTA-ParisTech, LOPB, and CERFACS developed the MORCE (Model of the Regional Coupled Earth system) platform for process and climate studies of the regional Earth system. The original aspects of the MORCE platform are (1) the integration of a large number of coupled compartments and processes (physical and biogeochemical processes in the ocean, atmosphere and continent), (2) the transferability of the numerical platform to different locations in the world, (3) the use of a non-hydrostatic model for the atmospheric module which allows an accurate representation of kilometric scale processes. The present article describes the MORCE platform, detailing its various modules and their coupling and illustrating its potential with results obtained in the Mediterranean region and over the Indian Ocean.
1364-8152
1-18
Drobinski, Philippe
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Anav, Alesandro
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Lebeaupin Brossier, Cindy
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Samson, Guillaume
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Stéfanon, Marc
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Bastin, Sophie
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Baklouti, Mélika
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Béranger, Karine
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Beuvier, Jonathan
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Bourdallé-Badie, Romain
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Coquart, Laure
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D'Andrea, Fabio
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de Noblet-Ducoudré, Nathalie
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Diaz, Frédéric
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Dutay, Jean-Claude
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Ethe, Christian
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Foujols, Marie-Alice
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Khvorostyanov, Dmitry
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Madec, Gurvan
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Mancip, Martial
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Masson, Sébastien
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Menut, Laurent
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Palmieri, Julien
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Polcher, Jan
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Turquety, Solène
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Valcke, Sophie
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Viovy, Nicolas
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Drobinski, Philippe
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Anav, Alesandro
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Lebeaupin Brossier, Cindy
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Samson, Guillaume
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Stéfanon, Marc
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Bastin, Sophie
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Baklouti, Mélika
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Béranger, Karine
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Beuvier, Jonathan
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Bourdallé-Badie, Romain
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Coquart, Laure
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D'Andrea, Fabio
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de Noblet-Ducoudré, Nathalie
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Diaz, Frédéric
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Dutay, Jean-Claude
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Ethe, Christian
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Foujols, Marie-Alice
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Khvorostyanov, Dmitry
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Madec, Gurvan
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Mancip, Martial
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Masson, Sébastien
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Menut, Laurent
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Palmieri, Julien
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Polcher, Jan
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Turquety, Solène
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Valcke, Sophie
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Viovy, Nicolas
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Drobinski, Philippe, Anav, Alesandro, Lebeaupin Brossier, Cindy, Samson, Guillaume, Stéfanon, Marc, Bastin, Sophie, Baklouti, Mélika, Béranger, Karine, Beuvier, Jonathan, Bourdallé-Badie, Romain, Coquart, Laure, D'Andrea, Fabio, de Noblet-Ducoudré, Nathalie, Diaz, Frédéric, Dutay, Jean-Claude, Ethe, Christian, Foujols, Marie-Alice, Khvorostyanov, Dmitry, Madec, Gurvan, Mancip, Martial, Masson, Sébastien, Menut, Laurent, Palmieri, Julien, Polcher, Jan, Turquety, Solène, Valcke, Sophie and Viovy, Nicolas (2012) Model of the Regional Coupled Earth system (MORCE): Application to process and climate studies in vulnerable regions. Environmental Modelling & Software, 35, 1-18. (doi:10.1016/j.envsoft.2012.01.017).

Record type: Article

Abstract

The vulnerability of human populations and natural systems and their ability to adapt to extreme events and climate change vary with geographic regions and populations. Regional climate models (RCM), composed by an atmospheric component coupled to a land surface scheme and driven over ocean areas by prescribed sea surface temperature, have been developed to produce fine scale regional climate change information useful for impact assessment and adaptation studies. Although RCM can be sufficient for many applications, the Earth system is composed of the physical, chemical, biological, and social components, processes, and interactions that together determine the state and dynamics of Earth, including its biota and human occupants. Developing regional Earth system models has thus two primary motivations: (1) with respect to climate science, to improve modeling capabilities and better understand coupled processes at regional scales and (2) to support stakeholders who aim to use climate information for regionally-specific impact assessment and adaptation planning. IPSL in collaboration with ENSTA-ParisTech, LOPB, and CERFACS developed the MORCE (Model of the Regional Coupled Earth system) platform for process and climate studies of the regional Earth system. The original aspects of the MORCE platform are (1) the integration of a large number of coupled compartments and processes (physical and biogeochemical processes in the ocean, atmosphere and continent), (2) the transferability of the numerical platform to different locations in the world, (3) the use of a non-hydrostatic model for the atmospheric module which allows an accurate representation of kilometric scale processes. The present article describes the MORCE platform, detailing its various modules and their coupling and illustrating its potential with results obtained in the Mediterranean region and over the Indian Ocean.

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Published date: July 2012
Organisations: Marine Systems Modelling

Identifiers

Local EPrints ID: 350993
URI: https://eprints.soton.ac.uk/id/eprint/350993
ISSN: 1364-8152
PURE UUID: c1558980-d513-4d3e-9a11-bbedb0e6186e

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Date deposited: 12 Apr 2013 10:23
Last modified: 18 Jul 2017 04:29

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Contributors

Author: Philippe Drobinski
Author: Alesandro Anav
Author: Cindy Lebeaupin Brossier
Author: Guillaume Samson
Author: Marc Stéfanon
Author: Sophie Bastin
Author: Mélika Baklouti
Author: Karine Béranger
Author: Jonathan Beuvier
Author: Romain Bourdallé-Badie
Author: Laure Coquart
Author: Fabio D'Andrea
Author: Nathalie de Noblet-Ducoudré
Author: Frédéric Diaz
Author: Jean-Claude Dutay
Author: Christian Ethe
Author: Marie-Alice Foujols
Author: Dmitry Khvorostyanov
Author: Gurvan Madec
Author: Martial Mancip
Author: Sébastien Masson
Author: Laurent Menut
Author: Julien Palmieri
Author: Jan Polcher
Author: Solène Turquety
Author: Sophie Valcke
Author: Nicolas Viovy

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