Zobrazeno 1 - 10
of 173
pro vyhledávání: '"M Losch"'
Publikováno v:
The Cryosphere, Vol 15, Pp 2873-2888 (2021)
The standard viscous–plastic (VP) sea ice model with an elliptical yield curve and a normal flow rule has at least two issues. First, it does not simulate fracture angles below 30∘ in uni-axial compression, in contrast with observations of linear
Externí odkaz:
https://doaj.org/article/01363a9d2acf431b8e1c9ead619c8f68
Publikováno v:
The Cryosphere, Vol 14, Pp 2137-2157 (2020)
The Maxwell elasto-brittle (MEB) rheology is implemented in the Eulerian finite-difference (FD) modeling framework commonly used in classical viscous-plastic (VP) models. The role of the damage parameterization, the cornerstone of the MEB rheology, i
Externí odkaz:
https://doaj.org/article/0f4fd09506534a16b10752c494bad83f
Publikováno v:
The Cryosphere, Vol 14, Pp 93-113 (2020)
The sea ice modeling community is progressing towards pan-Arctic simulations that explicitly resolve leads in the simulated sea ice cover. Evaluating these simulations against observations poses new challenges. A new feature-based evaluation of simul
Externí odkaz:
https://doaj.org/article/7c69bdb9d68d46819d28aa748db19ae7
Autor:
D. Sidorenko, H.F. Goessling, N.V. Koldunov, P. Scholz, S. Danilov, D. Barbi, W. Cabos, O. Gurses, S. Harig, C. Hinrichs, S. Juricke, G. Lohmann, M. Losch, L. Mu, T. Rackow, N. Rakowsky, D. Sein, T. Semmler, X. Shi, C. Stepanek, J. Streffing, Q. Wang, C. Wekerle, H. Yang, T. Jung
Publikováno v:
Journal of Advances in Modeling Earth Systems, Vol 11, Iss 11, Pp 3794-3815 (2019)
Abstract A new global climate model setup using FESOM2.0 for the sea ice‐ocean component and ECHAM6.3 for the atmosphere and land surface has been developed. Replacing FESOM1.4 by FESOM2.0 promises a higher efficiency of the new climate setup compa
Externí odkaz:
https://doaj.org/article/788031fb96614560af7484ebb868377d
Autor:
C. Mehlmann, S. Danilov, M. Losch, J. F. Lemieux, N. Hutter, T. Richter, P. Blain, E. C. Hunke, P. Korn
Publikováno v:
Journal of Advances in Modeling Earth Systems, Vol 13, Iss 11, Pp n/a-n/a (2021)
Abstract Observations in polar regions show that sea ice deformations are often narrow linear features. These long bands of deformations are referred to as Linear Kinematic Features (LKFs). Viscous‐plastic sea ice models have the capability to simu
Externí odkaz:
https://doaj.org/article/c2b327e2621f4292b5cd802ffb7600ac
Publikováno v:
The Cryosphere, Vol 13, Pp 1167-1186 (2019)
Recent high-resolution pan-Arctic sea ice simulations show fracture patterns (linear kinematic features or LKFs) that are typical of granular materials but with wider fracture angles than those observed in high-resolution satellite images. Motivated
Externí odkaz:
https://doaj.org/article/db744a74395e4c13a6de363816c70afa
Publikováno v:
The Cryosphere, Vol 13, Pp 627-645 (2019)
Leads and pressure ridges are dominant features of the Arctic sea ice cover. Not only do they affect heat loss and surface drag, but they also provide insight into the underlying physics of sea ice deformation. Due to their elongated shape they are r
Externí odkaz:
https://doaj.org/article/018527a05da34f9c84d35235bb977e66
Publikováno v:
The Cryosphere, Vol 10, Iss 2, Pp 761-774 (2016)
Data assimilation experiments that aim at improving summer ice concentration and thickness forecasts in the Arctic are carried out. The data assimilation system used is based on the MIT general circulation model (MITgcm) and a local singular evolutiv
Externí odkaz:
https://doaj.org/article/b1efe0513c3a4233b0687dc2e785103b
Publikováno v:
Geoscientific Model Development, Vol 7, Iss 1, Pp 419-432 (2014)
In a feasibility study, the potential of proxy data for the temperature and salinity during the Last Glacial Maximum (LGM, about 19 000 to 23 000 years before present) in constraining the strength of the Atlantic meridional overturning circulation (A
Externí odkaz:
https://doaj.org/article/c42f69adfbe4421c8309a851f97d33ec
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