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satellite microwave-based sea ice concentration

Satellite passive microwave sea-ice concentration data set intercomparison: closed ice and ship-based observations

Satellite passive microwave sea-ice concentration data set intercomparison: closed ice and ship-based observations

... filters based on brightness temper- ature gradient ratios at 19, 22, and 37 GHz, which mitigate noise due to atmospheric moisture and wind-induced rough- ening of the ocean surface (Cavalieri et ...spurious ...

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A long-term and reproducible passive microwave sea ice concentration data record for climate studies and monitoring

A long-term and reproducible passive microwave sea ice concentration data record for climate studies and monitoring

... output sea ice concentra- tion fields, gap filling in both time and space and correc- tion / replacement of obviously erroneous data for GSFC ...other satellite-based sea ice ...

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The EUMETSAT sea ice concentration climate data record

The EUMETSAT sea ice concentration climate data record

... the sea ice extent trends (Andersen et ...actual ice and water signatures using dynamical tie points, and finally (4) quantify the residual ...EUMETSAT sea ice concentration ...

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A scatterometer record of sea ice extents and backscatter: 1992–2016

A scatterometer record of sea ice extents and backscatter: 1992–2016

... MY ice concentration based on satellite pas- sive microwave or blended data, given that none of the latter products uses a separate tie point for SY ice, leaving the SY ...

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Impact of assimilating sea ice concentration, sea ice thickness and snow depth in a coupled ocean–sea ice modelling system

Impact of assimilating sea ice concentration, sea ice thickness and snow depth in a coupled ocean–sea ice modelling system

... estimated based on the relation- ship between confidence and uncertainty in the more re- cent OSISAF ...ESA Sea Ice Climate Change Initiative, Sea Ice Concentration Climate Data ...

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The 2018 North Greenland polynya observed by a newly introduced merged optical and passive microwave sea-ice concentration dataset

The 2018 North Greenland polynya observed by a newly introduced merged optical and passive microwave sea-ice concentration dataset

... Salinity) sea-ice thick- ...passive microwave and thermal infrared data is not expected to work in summer as both of them can not distinguish melt ponds from open wa- ter and thus underestimate the ...

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Satellite-derived sea ice export and its impact on Arctic ice mass balance

Satellite-derived sea ice export and its impact on Arctic ice mass balance

... Arctic sea ice mass balance is deter- mined by sea ice production and melt on the one hand and sea ice export on the other ...for sea ice export. While ice ...

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Sea-ice extent and its trend provide limited metrics of model performance

Sea-ice extent and its trend provide limited metrics of model performance

... Sea-ice concentration retrieved through the Bootstrap al- gorithm is, especially in summertime, probably closer to the real sea-ice concentration than that from the NASA Team ...

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Brief communication: The challenge and benefit of using sea ice concentration satellite data products with uncertainty estimates in summer sea ice data assimilation

Brief communication: The challenge and benefit of using sea ice concentration satellite data products with uncertainty estimates in summer sea ice data assimilation

... The ice concentration data used for comparison are from the Na- tional Snow and Ice Data Center (NSIDC; Cavalieri et ...NSIDC ice concentration fields are derived from a different ...

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Snowmelt onset over Arctic sea ice from passive microwave satellite data: 1979–2012

Snowmelt onset over Arctic sea ice from passive microwave satellite data: 1979–2012

... be sea ice covered at the beginning of each melt ...where sea ice concentration is ≥ 50 % on one or both of the first 2 days with Tb data in ...The concentration data used here ...

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Depth habitat of the planktonic foraminifera Neogloboquadrina pachyderma in the northern high latitudes explained by sea ice and chlorophyll concentrations

Depth habitat of the planktonic foraminifera Neogloboquadrina pachyderma in the northern high latitudes explained by sea ice and chlorophyll concentrations

... creasing sea-ice cover and higher chlorophyll at the surface both act to reduce light penetration, potentially explaining why ...either sea ice or surface chlorophyll is high ...

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Assimilation of sea-ice concentration in a global climate model – physical and statistical aspects

Assimilation of sea-ice concentration in a global climate model – physical and statistical aspects

... Hemisphere sea ice in the global climate model ECHAM5/MPI-OM by assimilating sea-ice concentration ...for concentration are given by Newtonian relaxation, and we discuss ...

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Consistent biases in Antarctic sea ice concentration simulated by climate models

Consistent biases in Antarctic sea ice concentration simulated by climate models

... thermodynamic sea ice process that reduces concentrations in models regard- less of sea ice thickness, we find a strong impact of this pro- cess on low-concentration sea ...

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A Method to Determine the Margins of High Sea Ice Concentration Using AMSR E Passive Microwave Imagery

A Method to Determine the Margins of High Sea Ice Concentration Using AMSR E Passive Microwave Imagery

... the ice margins not only is a principal feature in microwave image, but also has an important significance in sea ice concentration ...retrieving. Sea ice ...

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Sea-ice deformation in a coupled ocean–sea-ice model and in satellite remote sensing data

Sea-ice deformation in a coupled ocean–sea-ice model and in satellite remote sensing data

... the ice thickness does not drop to ...available satellite and in situ data (e.g., ice drift, area, thickness) using a Green’s function approach (Menemenlis et ...and sea-ice system. For ...

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Erroneous sea ice concentration retrieval in the East Antarctic

Erroneous sea ice concentration retrieval in the East Antarctic

... The question remains why the artefact is so localised and is much smaller than the synoptic scale of the warming events. While we notice a correlation between the location of the artefact and the bathymetry in its ...

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A method for sea ice thickness and concentration analysis based on SAR data and a thermodynamic model

A method for sea ice thickness and concentration analysis based on SAR data and a thermodynamic model

... CIS ice charts, the ice concentration estimation seems to work rather ...CIS ice charts, the concentration was ...CIS ice chart concentrations, ex- tracted as described in ...CIS ...

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Comparison of feature based segmentation of full polarimetric SAR satellite sea ice images with manually drawn ice charts

Comparison of feature based segmentation of full polarimetric SAR satellite sea ice images with manually drawn ice charts

... plus ice) across its footprint, i.e., measurements taken above ice type borders or at ice/water boundaries are not representa- tive for one specific ...distinguishing ice types based on ...

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Arctic sea ice and ocean topography from satellite altimetry

Arctic sea ice and ocean topography from satellite altimetry

... ean ice thickness between two subm arine cruises north o f G reenland in 1976 and ...in ice volum e o f 15% over an area o f 300,000 km^ w as estim ated, but it was unclear w hether this decrease ...

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New estimates of Arctic and Antarctic sea ice extent during September 1964 from recovered Nimbus I satellite imagery

New estimates of Arctic and Antarctic sea ice extent during September 1964 from recovered Nimbus I satellite imagery

... 1964 sea ice extent for the Arc- tic was more difficult than for the ...the ice edge along the coasts from snow- or glacier- covered islands in the Canadian Archipelago because sea ice ...

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