Results 211 to 220 of about 772,855 (261)
Intercomparison of passive microwave sea ice concentration retrievals over the high‐concentration Arctic sea ice [PDF]
Journal of Geophysical Research, 2007 Measurements of sea ice concentration from the Special Sensor Microwave Imager (SSM/I) using seven different algorithms are compared to ship observations, sea ice divergence estimates from the Radarsat Geophysical Processor System, and ice and water surface type classification of 59 wide‐swath synthetic aperture radar (SAR) scenes.
Rasmus T Tonboe +2 more
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The Influence of Floe Size and Ice Concentration on Ice Force Levels for an FPSO in Pack Ice
International Journal of Offshore and Polar Engineering, 2021This paper examines the interaction of pack ice with a floating production storage and offloading unit (FPSO). The vessel maintains position using a thruster-assisted turret mooring. An ice dynamics model is used to conduct numerical simulations of the interaction of the ice cover with the vessel.
Sayed, Mohamed +3 more
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On the vacancy concentration in ice
Physics Letters A, 1977Abstract Based on the diffusion constant for self-diffusion in ice, which is believed to take place by a vacancy mechanism, we estimate the relative vacancy concentration near the melting point to be at least ∼ 10 −6 , i.e. much higher than previous estimates of about 10 −10 .
O.E. Mogensen, M. Eldrup
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Assimilation of Ice Concentration in an Ice–Ocean Model
Journal of Atmospheric and Oceanic Technology, 2006Abstract Ice concentration is a critical parameter of the polar marine environment because of the large effect sea ice has on the surface albedo and heat exchange between the atmosphere and the ocean. Simulations of the energy exchange processes in models would benefit if the ice concentration were represented more accurately. Reanalysis
J. Zhang, R. W. Lindsay
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Retrieving Ice Concentration From SMOS
IEEE Geoscience and Remote Sensing Letters, 2011The Soil Moisture and Ocean Salinity (SMOS) Ice project explored the potential of retrieving sea-ice information from the SMOS satellite, a polar-orbiting L-band radiometer successfully launched in November 2009. Toward this end, radiance measurements were collected over the Northern Baltic during the Pol-Ice campaign.
Peter Mills, Georg C. Heygster
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NO adsorption on ice at low concentrations
Journal of Colloid and Interface Science, 1992Abstract To better understand the properties of ice surfaces at different temperatures, the adsorption of a relatively insoluble gas, NO, was studied using a continuous-flow column experiment. Adsorption isotherms for NO on the surface of ice were measured for a temperature range of −1 to −70°C and a concentration range of 10 to 250 ppbv. Very little
Richard A Sommerfeld +2 more
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Atmosphere-Ocean, 2014
AbstractIce concentration data from passive microwave sensors are not reliable during the summer melt season. In this study passive microwave ice concentration estimates are improved upon through the assimilation of ice surface temperature data from the Moderate-Resolution Imaging Spectroradiometer (MODIS).
Wenxia Tan +2 more
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AbstractIce concentration data from passive microwave sensors are not reliable during the summer melt season. In this study passive microwave ice concentration estimates are improved upon through the assimilation of ice surface temperature data from the Moderate-Resolution Imaging Spectroradiometer (MODIS).
Wenxia Tan +2 more
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Response of passive microwave sea ice concentration algorithms to thin ice
2014 IEEE Geoscience and Remote Sensing Symposium, 2014The influence of sea ice thickness brightness temperatures and ice concentrations retrieved from passive microwave observations is quantified, using horizontally homogeneous sea ice thickness retrievals from ESA's SMOS sensor observations at high incidence angles.
Georg C. Heygster +4 more
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Ice Particle Concentrations in Clouds
Journal of the Atmospheric Sciences, 1985Abstract Measurements and observations have been made on the development of ice in 90 cumulus (cumulus and cumulonimbus) and 72 stratiform (altocumulus, altostratus, nimbostratus, stratocumulus, and stratus) clouds. Ice particle concentrations significantly in excess of those to be expected from ice nucleus measurements (i.e., ice enhancement) were ...
Peter V. Hobbs, Arthur L. Rangno
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