Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

ECLand: The ECMWF Land Surface Modelling System

Souhail Boussetta
* ,
Gianpaolo Balsamo
ORCID logo ,
Gabriele Arduini
,
Emanuel Dutra
,
Joe McNorton
,
Margarita Choulga
,
Anna Agustí-Panareda
,
Anton Beljaars
,
Nils Wedi
,
Joaquin Munõz-Sabater
ORCID logo ,
Patricia de Rosnay
,
Irina Sandu
,
Ioan Hadade
,
Glenn Carver
,
Cinzia Mazzetti
,
Christel Prudhomme
,
Dai Yamazaki
,
Ervin Zsoter
Version 1 : Received: 17 April 2021 / Approved: 19 April 2021 / Online: 19 April 2021 (13:23:53 CEST)

A peer-reviewed article of this Preprint also exists.

Boussetta, S.; Balsamo, G.; Arduini, G.; Dutra, E.; McNorton, J.; Choulga, M.; Agustí-Panareda, A.; Beljaars, A.; Wedi, N.; Munõz-Sabater, J.; de Rosnay, P.; Sandu, I.; Hadade, I.; Carver, G.; Mazzetti, C.; Prudhomme, C.; Yamazaki, D.; Zsoter, E. ECLand: The ECMWF Land Surface Modelling System. Atmosphere 2021, 12, 723. Boussetta, S.; Balsamo, G.; Arduini, G.; Dutra, E.; McNorton, J.; Choulga, M.; Agustí-Panareda, A.; Beljaars, A.; Wedi, N.; Munõz-Sabater, J.; de Rosnay, P.; Sandu, I.; Hadade, I.; Carver, G.; Mazzetti, C.; Prudhomme, C.; Yamazaki, D.; Zsoter, E. ECLand: The ECMWF Land Surface Modelling System. Atmosphere 2021, 12, 723.

Abstract

The land-surface developments of the European Centre for Medium-range Weather Forecasts (ECMWF) are based on the Carbon-Hydrology Tiled Scheme for Surface Exchanges over Land (CHTESSEL) and form an integral part of the Integrated Forecasting System (IFS), supporting a wide range of global weather, climate and environmental applications. In order to structure, coordinate and focus future developments and benefit from international collaboration in new areas, a flexible system named ECLand which would facilitates modular extensions to support numerical weather prediction (NWP) and society-relevant operational services, e.g. Copernicus, is presented . This paper introduces recent examples of novel ECLand developments on (i) vegetation, (ii) snow, (iii) soil, (iv) open water/lake (v) river/inundation, and (vi) urban areas. The developments are evaluated separately with long-range, atmosphere-forced surface offline simulations, and coupled land-atmosphere-ocean experiments. This illustrates the benchmark criteria for assessing both, process fidelity with regards to land surface fluxes and reservoirs of the water-energy-carbon exchange on the one hand, and on the other hand the requirements of ECMWF’s NWP, climate and atmospheric composition monitoring services using an Earth system assimilation prediction framework.

Keywords

Land-surface modelling system; hydrology; carbon; surface energy balance; open water; snow

Subject

Environmental and Earth Sciences, Atmospheric Science and Meteorology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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