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a core project of
2018WCRPspon col July2018 01 1

Application for land surface, snow, and soil moisture model intercomparison project (LS3MIP)

Description

The goal of the LS3MIP experiment is to provide a comprehensive assessment of land surface-,  snow-, and soil moisture-climate feedbacks, and to diagnose systematic biases in the land modules of current ESMs using constrained land-module only experiments. The solid and liquid water stored at the land surface has a large influence on the regional climate, its variability and its predictability, including effects on the energy and carbon cycles. Notably, snow and soil moisture affect surface radiation and flux partitioning properties, moisture storage and land surface memory. They both strongly affect the atmospheric conditions, in particular air temperature, but also large-scale circulation patterns and precipitation. However, models show divergent responses and representations of these feedbacks as well as systematic biases in the underlying processes. LS3MIP will provide the means to quantify the associated uncertainties and to better constrain climate change projections, of particular interest for highly vulnerable regions (densely populated regions, polar regions, agricultural areas, land ecosystems).

A short description of the role of snow and soil moisture in the climate system and of the rationale for the proposed experiments is provided. For more information on the project, visit http://www.climate-cryosphere.org/activities/targeted/ls3mip.

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1. Introduction to ACSYS 2. Sea-Ice Modelling Workshop 3. SSG-IV Toronto, Canada 4. Arctic Run-off Database 5. Solid Precipitation Workshop
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(Media / 1996-March: ACSYS Arctic Forecast)
1. Data Management and Information 2. Polar Exchange at the Sea Surface 3. Handbook of the Radiation Regime of the Arctic Basin 4. Ice Drift Data from the Fram Strait 5. Arctic Precipitation Data Archive 6. Norwegian Polar Institute - IAPO Host

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