Search Results - "Wadhams, P."

The Role of the Pacific‐Antarctic Ridge in Establishing the Northward Extent of Antarctic Sea‐Ice by Ferola, A. I., Cotroneo, Y., Wadhams, P., Fusco, G., Falco, P., Budillon, G., Aulicino, G.

“…Monitoring the Antarctic sea‐ice is essential for improving our knowledge of the Southern Ocean. We used satellite sea‐ice concentration data for the 2002–2020…”
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Image processing for pancake ice detection and size distribution computation by Parmiggiani, F., Moctezuma-Flores, M., Wadhams, P., Aulicino, G.

“…This paper presents a processing scheme whose aim is to provide a tool for a rapid measurement of pancake ice size distribution from aerial photographs. The…”
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Wave-ice interaction in the North-West Barents Sea by Marchenko, A., Wadhams, P., Collins, C., Rabault, J., Chumakov, M.

“…The results of field work on drift ice during wave propagation are analyzed and presented. The field work was performed in the Barents Sea, and the main focus…”
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Attenuation and Directional Spreading of Ocean Waves During a Storm Event in the Autumn Beaufort Sea Marginal Ice Zone by Montiel, F., Squire, V. A., Doble, M., Thomson, J., Wadhams, P.

“…This paper investigates the attenuation and directional spreading of large amplitude waves traveling through pancake ice. Directional spectral density is…”
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Digital terrain mapping of the underside of sea ice from a small AUV by Wadhams, P., Doble, M. J.

“…In April 2007 the first three‐dimensional digital terrain mapping of the underside of sea ice to be done from an ice‐launched autonomous underwater vehicle…”
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The impact of snow depth, snow density and ice density on sea ice thickness retrieval from satellite radar altimetry: results from the ESA-CCI Sea Ice ECV Project Round Robin Exercise by Kern, S, Khvorostovsky, K, Skourup, H, Rinne, E, Parsakhoo, Z. S, Djepa, V, Wadhams, P, Sandven, S

“…We assess different methods and input parameters, namely snow depth, snow density and ice density, used in freeboard-to-thickness conversion of Arctic sea ice…”
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Pancake Ice Thickness Mapping in the Beaufort Sea From Wave Dispersion Observed in SAR Imagery by Wadhams, P., Aulicino, G., Parmiggiani, F., Persson, P. O. G., Holt, B.

“…The early autumn voyage of RV Sikuliaq to the southern Beaufort Sea in 2015 offered very favorable opportunities for observing the properties and thicknesses…”
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A new view of the underside of Arctic sea ice by Wadhams, P., Wilkinson, J. P., McPhail, S. D.

“…The Autosub‐II autonomous underwater vehicle (AUV), operating off NE Greenland in August 2004, obtained the first successful swath sonar measurements under sea…”
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Arctic Sea Ice Drift Measured by Shipboard Marine Radar by Lund, B., Graber, H. C., Persson, P. O. G., Smith, M., Doble, M., Thomson, J., Wadhams, P.

“…This study presents Arctic sea ice drift fields measured by shipboard marine X‐band radar (MR). The measurements are based on the maximum cross correlation…”
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Measurements beneath an Antarctic ice shelf using an autonomous underwater vehicle by Nicholls, K. W., Abrahamsen, E. P., Buck, J. J. H., Dodd, P. A., Goldblatt, C., Griffiths, G., Heywood, K. J., Hughes, N. E., Kaletzky, A., Lane-Serff, G. F., McPhail, S. D., Millard, N. W., Oliver, K. I. C., Perrett, J., Price, M. R., Pudsey, C. J., Saw, K., Stansfield, K., Stott, M. J., Wadhams, P., Webb, A. T., Wilkinson, J. P.

“…The cavities beneath Antarctic ice shelves are among the least studied regions of the World Ocean, yet they are sites of globally important water mass…”
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Further evidence of ice thinning in the Arctic Ocean by Wadhams, Peter, Davis, Norman R.

“…A sea ice thickness profile, obtained in September 1996 from the Eurasian Basin of the Arctic Ocean between Fram Strait and the North Pole, was compared with a…”
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Modelling the spread of oil under fast sea ice using three-dimensional multibeam sonar data by Wilkinson, J. P., Wadhams, P., Hughes, N. E.

“…A substantial portion of the world's remaining oil and gas reserves are found in the Arctic. Exploration pressure will intensify as sea ice thinning and…”
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SAR imaging of wave dispersion in Antarctic pancake ice and its use in measuring ice thickness by Wadhams, P., Parmiggiani, F. F., de Carolis, G., Desiderio, D., Doble, M. J.

“…A synthetic aperture radar (SAR) image of the advancing winter marginal ice zone (MIZ) in the Antarctic, composed of frazil‐pancake ice, has been analysed in a…”
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Linkages between salinity and brine channel distribution in young sea ice by Cottier, Finlo, Eicken, H., Wadhams, P.

“…A high‐resolution study of bulk salinity was undertaken on laboratory‐grown sea ice to determine the extent of spatial variability of salinity and whether this…”
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A deep convective chimney in the winter greenland sea by Wadhams, P., Holfort, J., Hansen, E., Wilkinson, J. P.

“…During two cruises to the Greenland Sea in winter 2001 a narrow convective chimney extending from the surface to a depth exceeding 2400 meters was discovered…”
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A salt flux model for salinity change through ice production in the Greenland Sea, and its relationship to winter convection by Wilkinson, J. P., Wadhams, P.

“…A salt flux model which incorporates ice formation, advection and melt, as well as time‐dependent brine drainage from frazil‐pancake ice, has been developed…”
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Historical storminess and climate ‘see-saws’ in the North Atlantic region by Dawson, A., Elliott, L., Noone, S., Hickey, K., Holt, T., Wadhams, P., Foster, I.

“…The existence of a well-defined climate ‘see-saw’ across the North Atlantic region and surrounding areas has been known for over 200 years. The occurrence of…”
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The multi-year development of long-lived convective chimneys in the Greenland Sea by Wadhams, P., Budéus, G., Wilkinson, J. P., Løyning, T., Pavlov, V.

“…The first convective chimney in the Greenland Sea to have its temperature and salinity structure fully mapped was discovered in March 2001 near 75°N 0°W…”
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A Method of Detecting Change in the Ice Conditions of the Central Greenland Sea by the Whelping Locations of Harp Seals by Wilkinson, J. P., Wadhams, P.

“…Variations in the extent of sea ice within the Greenland Sea on daily, seasonal, or longer time scales are well documented, while changes in ice conditions are…”
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Operational history and development plans for the use of AUVs and UAVs to map sea ice topography by Wadhams, P., Krogh, B.

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