Ice Fog in Arctic During FRAM–Ice Fog Project: Aviation and Nowcasting Applications
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Le résumé fourni par la source
Ice fog and frost occur commonly (at least 26% of the time) in the northern latitudes and Arctic regions during winter at temperatures usually less than about –15°C. Ice fog is strongly related to frost formation—a major aviation hazard in the northern latitudes. In fact, it may be considered a more dangerous event than snow because of the stronger aircraft surface adhesion compared to snow particles. In the winter of 2010/11, the Fog Remote Sensing and Modeling–Ice Fog (FRAM-IF) project was organized near Yellowknife International Airport, Northwest Territories, Canada, with the main goals of advancing understanding of ice fog microphysical and visibility characteristics, and improving its prediction using forecast models and remotesensing retrievals. Approximately 40 different sensors were used to measure visibility, precipitation, ice particle spectra, vertical thermodynamic profiles, and ceiling height. Fog coverage and visibility parameters were estimated using both Geostationary Operational Environmental Satellites (GOES) and Moderate Resolution Imaging Spectroradiometer (MODIS) satellite observations. During this project, the inversion layer usually was below a height of 1.5 km. High humidity typically was close to the ground, frequently producing ice fog, frost, and light snow precipitation. At low temperatures, snow crystals can be swept away by a very low wind speed (∼1 m s−1). Ice fog during the project was not predicted by any forecast model. These preliminary results in the northern latitudes suggest that ice fog and frost studies, over the Arctic regions, can help us to better understand ice microphysical processes such as ice nucleation, visibility, and parameterizations of ice fog.
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Le contrôle bibliographique ouvert
DOI retrouvé dans Crossref DOI retrouvé ; titre concordant.
- Titre Crossref
- Ice Fog in Arctic During FRAM–Ice Fog Project: Aviation and Nowcasting Applications
- Date Crossref
- 01/02/2014
- Éditeur
- American Meteorological Society
- Type
- journal-article
Ce recoupement confirme des métadonnées liées au DOI. Il ne confirme ni la méthode ni les conclusions de l’étude, et il ne compte pas comme une seconde source scientifique indépendante.
Où se fait cette recherche
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Environment and Climate Change Canada pays non établi dans la noticeOrganisme public
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Luleå University of Technology pays non établi dans la noticeUniversité ou école supérieure
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NOAA National Environmental Satellite Data and Information Service pays non établi dans la noticeOrganisme public
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University of Wisconsin–Madison CIMSS pays non établi dans la noticeUniversité ou école supérieure
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National Oceanic and Atmospheric Administration pays non établi dans la noticeOrganisme public
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NSF National Center for Atmospheric Research pays non établi dans la noticeStructure de recherche
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University of Colorado Boulder and CIRES pays non établi dans la noticeUniversité ou école supérieure
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Cloud Physics and Severe Weather Research Section pays non établi dans la noticeInstitution
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Environment and Climate Change Canada, Luleå University of Technology et NOAA National Environmental Satellite Data and Information Service, avec 9 autres affiliations.
Une affiliation ne permet pas de déduire la nationalité d’un auteur.