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| Korosov, Anton; Rampal, Pierre; Pedersen, Leif Toudal; Saldo, Roberto; Ye, Yufang; Heygster, Georg; Lavergne, Thomas; Aaboe, Signe; Girard Ardhuin, Fanny. |
| A new algorithm for estimating sea ice age (SIA) distribution based on the Eulerian advection scheme is presented. The advection scheme accounts for the observed divergence or convergence and freezing or melting of sea ice and predicts consequent generation or loss of new ice. The algorithm uses daily gridded sea ice drift and sea ice concentration products from the Ocean and Sea Ice Satellite Application Facility. The major advantage of the new algorithm is the ability to generate individual ice age fractions in each pixel of the output product or, in other words, to provide a frequency distribution of the ice age allowing to apply mean, median, weighted average or other statistical measures. Comparison with the National Snow and Ice Data Center SIA... |
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| Ano: 2018 |
URL: http://archimer.ifremer.fr/doc/00448/55980/57458.pdf |
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| Mäkynen, Marko; Haapala, Jari; Aulicino, Giuseppe; Balan-sarojini, Beena; Balmaseda, Magdalena; Gegiuc, Alexandru; Girard-ardhuin, Fanny; Hendricks, Stefan; Heygster, Georg; Istomina, Larysa; Kaleschke, Lars; Karvonen, Juha; Krumpen, Thomas; Lensu, Mikko; Mayer, Michael; Parmiggiani, Flavio; Ricker, Robert; Rinne, Eero; Schmitt, Amélie; Similä, Markku; Tietsche, Steffen; Tonboe, Rasmus; Wadhams, Peter; Winstrup, Mai; Zuo, Hao. |
| The detection, monitoring, and forecasting of sea-ice conditions, including their extremes, is very important for ship navigation and offshore activities, and for monitoring of sea-ice processes and trends. We summarize here recent advances in the monitoring of sea-ice conditions and their extremes from satellite data as well as the development of sea-ice seasonal forecasting capabilities. Our results are the outcome of the three-year (2015–2018) SPICES (Space-borne Observations for Detecting and Forecasting Sea-Ice Cover Extremes) project funded by the EU’s Horizon 2020 programme. New SPICES sea-ice products include pancake ice thickness and degree of ice ridging based on synthetic aperture radar imagery, Arctic sea-ice volume and export derived from... |
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| Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00622/73389/72601.pdf |
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