June 30, 2017 Journal article Open Access

Corrado Fragiacomo; Flavio Parmiggiani; Lorenzo Guerrieri; Miguel Moctezuma-Flores

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        "name": "Corrado Fragiacomo"
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      {
        "name": "Flavio Parmiggiani"
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      {
        "name": "Lorenzo Guerrieri"
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      {
        "name": "Miguel Moctezuma-Flores"
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    "description": "In the framework of a study of ice formation in Antarctica, synthetic aperture radar (SAR) image acquisitions were planned over Terra Nova Bay (TNB). Thanks to the European Space Agency (ESA) Third Party Mission program, Cosmo-SkyMed and Radarsat-2 images over TNB were obtained for the period of February 20 to March 20, 2015; in addition, available Sentinel-1 images for the same period were retrieved from the ESA scientific data hub. The first inspection of the images revealed the presence of a prominent eddy, i.e., an ice vortex presumably caused by the wind blowing from the continent. The important parameters of an eddy are its area and lifetime. While the eddy lifetime was easily obtained from the image sequence, the area was measured using a specific processing scheme that consists of nonlinear filtering and Markov random field segmentation. The main goal of our study was to develop a segmentation scheme to detect and measure \"objects\" in SAR images. In addition, the connection between eddy area and wind field was investigated using parametric and nonparametric correlation functions; statistically significant correlation values were obtained in the analyzed period. After March 15, a powerful katabatic wind completely disrupted the surface eddy.", 
    "doi": "10.1117/1.jrs.11.026041", 
    "keywords": [
      "H2020", 
      "mes", 
      "European Marine Science", 
      "EC", 
      "Research and Innovation action", 
      "Rural Digital Europe", 
      "European Commission", 
      "projects", 
      "Space-borne observations for detecting and forecasting sea ice cover extremes", 
      "NEANIAS Atmospheric Research Community", 
      "General Earth and Planetary Sciences"
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    "language": "eng", 
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    "publication_date": "2017-06-30", 
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    "title": "Synthetic aperture radar analysis of floating ice at Terra Nova Bay-an application to ice eddy parameter extraction"
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