Results 21 to 30 of about 3,687,988 (259)

Can uncertainties in sea ice albedo reconcile patterns of data-model discord for the Pliocene and 20th/21st centuries? [PDF]

open access: yes, 2014
General Circulation Model simulations of the mid-Pliocene warm period (mPWP, 3.264 to 3.025 Myr ago) currently underestimate the level of warming that proxy data suggest existed at high latitudes, with discrepancies of up to 11°C for sea surface ...
Haywood, Alan   +28 more
core   +1 more source

The next generation sea-ice model neXtSIM, version 2 [PDF]

open access: yesGeoscientific Model Development
Sea ice is a key component of the climate system, and sea-ice models are required to realistically simulate climate, ocean, or atmosphere in general circulation models at high latitudes. In this paper, we present the latest version of the next-generation
E. Ólason   +21 more
doaj   +1 more source

Implementation of a simple thermodynamic sea ice scheme, SICE version 1.0-38h1, within the ALADIN–HIRLAM numerical weather prediction system version 38h1 [PDF]

open access: yesGeoscientific Model Development, 2018
Sea ice is an important factor affecting weather regimes, especially in polar regions. A lack of its representation in numerical weather prediction (NWP) systems leads to large errors.
Y. Batrak, E. Kourzeneva, M. Homleid
doaj   +1 more source

Empirical sea ice thickness retrieval during the freeze-up period from SMOS high incident angle observations [PDF]

open access: yesThe Cryosphere, 2014
Sea ice thickness information is important for sea ice modelling and ship operations. Here a method to detect the thickness of sea ice up to 50 cm during the freeze-up season based on high incidence angle observations of the Soil Moisture and ...
M. Huntemann   +5 more
doaj   +1 more source

Sub-kilometre scale distribution of snow depth on Arctic sea ice from Soviet drifting stations

open access: yesJournal of Glaciology, 2022
The sub-kilometre scale distribution of snow depth on Arctic sea ice impacts atmosphere-ice fluxes of energy and mass, and is of importance for satellite estimates of sea-ice thickness from both radar and lidar altimeters.
Robbie D. C. Mallett   +10 more
doaj   +1 more source

Sea ice dynamics across the Mid-Pleistocene transition in the Bering Sea

open access: yesNature Communications, 2018
Modelling studies propose sea ice to be one of the underlying mechanisms for the Mid-Pleistocene transition. Here, the authors show Mid-Pleistocene subarctic North Pacific sea ice dynamics based on biomarkers and biogenic opal accumulation rates ...
H. Detlef   +8 more
doaj   +1 more source

Effect of compressive loading on first-year sea-ice permeability

open access: yesJournal of Glaciology, 2018
The permeability of sea ice can strongly affect the dissipation of wave energy into the ice pack. Sea-ice permeability is known to be impacted by the brine volume fraction and the blockage of flow pathways by the freezing of infiltrating lower salinity ...
CARL E. RENSHAW   +3 more
doaj   +1 more source

The effect of sea-ice loss on beluga whales (Delphinapterus leucas) in West Greenland [PDF]

open access: yes, 2010
An aerial survey was conducted to estimate the abundance of belugas (Delphinapterus leucas) on their wintering ground in West Greenland in March–April 2006 and 2008.
Marques, Tiago A.   +11 more
core   +1 more source

New insight from CryoSat-2 sea ice thickness for sea ice modelling [PDF]

open access: yesThe Cryosphere, 2019
Estimates of Arctic sea ice thickness have been available from the CryoSat-2 (CS2) radar altimetry mission during ice growth seasons since 2010. We derive the sub-grid-scale ice thickness distribution (ITD) with respect to five ice thickness categories ...
D. Schröder   +4 more
doaj   +1 more source

Towards an improved organic carbon budget for the western Barents Sea shelf [PDF]

open access: yesClimate of the Past, 2014
There is generally a lack of knowledge on how marine organic carbon accumulation is linked to vertical export and primary productivity patterns in the Arctic Ocean.
I. Pathirana   +3 more
doaj   +1 more source

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