Abstract:This paper describes the modification of land snow cover module of INM RAS climate model. The possible liquid water content in the snow layer and refreezing of melt water are taken into account by modified version of the model. This is especially important for transition season modelling, because of this phenomenon is observed mainly during the formation and melting of the snow cover, when surface temperature fluctuates around 0 °C. Simulation of snow density evolution is also added. The snow model is verified… Show more
“…SWE-database NSIDC-Blended5 [31] is available from NASA's Earth Science Data Systems Program website. Simulation data using the INM RAS climate model are stored in the EUDAT Collaborative Data Infrastructure [44].…”
This paper describes the modification of a simple land snow cover module of the INM RAS climate model. The possible liquid water and refreezing of meltwater in the snow layer are taken into account by the proposed parameterization. This is particularly important for modelling the transition season, as this phenomenon is mainly observed during the formation and melting of the snow cover when the surface temperature fluctuates around 0 °C. The snow density evolution simulation is also added. This parameterization is implemented in the INM-CM snow module and verified on observation data using the ESM-SnowMIP-like protocol. As a result, the INM-CM mean climate snow melt periods are refined, particularly in middle and high latitudes. The snow-covered area according to the model is also improved. In the future, a modified version of the land snow module can be used, coupled with a snow albedo model that takes into account snow metamorphism. This module can also be applied to sea ice snow.
“…SWE-database NSIDC-Blended5 [31] is available from NASA's Earth Science Data Systems Program website. Simulation data using the INM RAS climate model are stored in the EUDAT Collaborative Data Infrastructure [44].…”
This paper describes the modification of a simple land snow cover module of the INM RAS climate model. The possible liquid water and refreezing of meltwater in the snow layer are taken into account by the proposed parameterization. This is particularly important for modelling the transition season, as this phenomenon is mainly observed during the formation and melting of the snow cover when the surface temperature fluctuates around 0 °C. The snow density evolution simulation is also added. This parameterization is implemented in the INM-CM snow module and verified on observation data using the ESM-SnowMIP-like protocol. As a result, the INM-CM mean climate snow melt periods are refined, particularly in middle and high latitudes. The snow-covered area according to the model is also improved. In the future, a modified version of the land snow module can be used, coupled with a snow albedo model that takes into account snow metamorphism. This module can also be applied to sea ice snow.
“…is available from NASA's Earth Science Data Systems Program website. Simulation data using INM RAS climate model is stored at the EUDAT Collaborative Data Infrastructure(Chernenkov et al, 2023). Geophysical Research Letters, 26 (3),…”
This paper describes the new simple parametrization of land snow cover module for INM RAS climate model. The possible liquid water content in the snow layer and refreezing of melt water are taken into account by the proposed parametrization. This is especially important for transition season modelling, because this phenomenon is observed mainly during the formation and melting of the snow cover, when surface temperature fluctuates around 0 °C. Simulation of snow density evolution is also added. This parameterization was implemented in INM-CM snow module and verified on observation data using ESM-SnowMIP-like protocol. As a result, mean climate snowmelting periods according to INM RAS climate model are refined, particularly in middle and high latitudes. Snow covered area reproduction is also improved. Modified version of snow model on the land can be used coupled with albedo model of a snow-covered surface, which takes into account snow metamorphism, and it can be also applied for sea ice case.
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