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Oceanographic observations in the Nordic Sea and Fram Strait in 2016 under the IO PAN long-term monitoring program AREX

Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Since 1987 annual summer cruises to the Nordic Seas and Fram Strait have been conducted by the IO PAN research vessel Oceania under the long-term monitoring program AREX. Here we present a short description of measurements and preliminary results obtained during the open ocean part of the AREX 2016 cruise. Spatial distributions of Atlantic water temperature and salinity in 2016 are similar to their long-term mean fields except for warmer recirculation of Atlantic water in the northern Fram Strait. The longest observation record from the section N along 76°30′N reveals a steady increase of Atlantic water salinity, while temperature trend depends strongly on parametrization used to define the Atlantic water layer. However spatially averaged temperature at different depths indicate an increase of Atlantic water temperature in the whole layer from the surface down to 1000 m.
Słowa kluczowe
Czasopismo
Rocznik
Strony
187--194
Opis fizyczny
Bibliogr. 18 poz., mapy, tab., wykr.
Twórcy
  • Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland
  • Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland
autor
  • Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland
autor
  • Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland
autor
  • Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland
Bibliografia
  • [1] Beszczynska-Möller, A., Fahrbach, E., Schauer, U., Hansen, E., 2012. Variability in Atlantic water temperature and transport at the entrance to the Arctic Ocean, 1997—2010. ICES J. Mar. Sci. 69 (5), 852—863.
  • [2] Bourke, R. H., Weigel, A. M., Paquette, R. G., 1988. The westward turning branch of the West Spitsbergen Current. J. Geophys. Res. 93 (C11), 14065—14077.
  • [3] Cohen, J., Screen, J. A., Furtado, J. C., Barlow, M., Whittleston, D., Coumou, D., Francis, J., Dethloff, K., Entekhabi, D., Overland, J., Jones, J., 2014. Recent Arctic amplification and extreme mid-latitude weather. Nature Geosci. 7, 627—637, http://dx.doi.org/10.1038/ngeo2234.
  • [4] Delworth, T. L., Mann, M. E., 2000. Observed and simulated multidecadal variability in the Northern Hemisphere. Clim. Dynam. 16 (9), 661—676.
  • [5] Dickson, R. R., Meincke, J., Rhines, P. (Eds.), 2008. Arctic—Subarctic Ocean Fluxes — Defining the Role of the Northern Seas in Climate. Springer, Dordrecht, 736 pp.
  • [6] Larsen, K. M. H., Gonzalez-Pola, C., Fratantoni, P., Beszczynska-Möller, A., Hughes, S. L. (Eds.), 2016. ICES Report on Ocean Climate 2015. ICES Coop. Res. Rep. No. 331. 79 pp.
  • [7] Mauritzen, C., 1996. Production of dense overflow waters feeding the North Atlantic across the Greenland-Scotland Ridge. Part 1: evidence for a revised circulation scheme. Deep-Sea Res. Pt. I 43 (6), 769—806.
  • [8] McCarthy, G. D., Haigh, I. D., Hirschi, J. J.-M., Grist, J. P., Smeed, D. A., 2015. Ocean impact on decadal Atlantic climate variability revealed by sea-level observations. Nature 521 (7553), 508—510, http://dx.doi.org/10.1038/nature14491.
  • [9] O'Reilly, C. H., Huber, M., Woollings, T., Zanna, L., 2016. The signature of low-frequency oceanic forcing in the Atlantic Multidecadal Oscillation. Geophys. Res. Lett. 43 (6), 2810—2818, http://dx.doi.org/10.1002/2016GL067925.
  • [10] Overland, J. E., 2016. Is the melting Arctic changing midlatitude weather? Phys. Today 69 (3), p. 38, http://dx.doi.org/10.1063/PT.3.3107.
  • [11] Polyakov, I. V., Walsh, J. E., Kwok, R., 2012. Recent changes of Arctic multiyear sea ice coverage and the likely causes. Bull. Am. Meteorol. Soc. 93 (2), 145—151.
  • [12] Quadfasel, D., Gascard, J.-C., Koltermann, K. P., 1987. Large-scale oceanography in Fram Strait during the 1984 Marginal Ice Zone Experiment. J. Geophys. Res. 92 (C7), 6719—6728.
  • [13] Rudels, B., Korhonen, M., Schauer, U., Pisarev, S., Rabe, B., Wisotzki, A., 2015. Circulation and transformation of Atlantic water in the Eurasian Basin and the contribution of the Fram Strait inflow branch to the Arctic Ocean heat budget. Prog. Oceanogr. 132, 128—152, http://dx.doi.org/10.1016/j.pocean.2014.04.003.
  • [14] Schauer, U., Beszczynska-Möller, A., Walczowski, W., Fahrbach, E., Piechura, J., Hansen, E., 2008. Variation of measured heat flow through the Fram Strait between 1997 and 2006. In: Dickson, R. R., Meincke, J., Rhines, P. (Eds.), Arctic-Subarctic Ocean Fluxes. Springer, Dordrecht, 65—85.
  • [15] Serreze, M. C., Barrett, A. P., Stroeve, J. C., Kindig, D. N., Holland, M. M., 2009. The emergence of surface-based Arctic amplification. The Cryosphere 3 (1), 11—19.
  • [16] Serreze, M. C., Stroeve, J., 2015. Arctic sea ice trends, variability and implications for seasonal ice forecasting. Philos. T. R. Soc. A 373 (2045) 16 pp.
  • [17] Stroeve, J. C., Serreze, M. C., Holland, M. M., Kay, J. E., Maslanik, J., Barrett, A. P., 2012. The Arctic's rapidly shrinking sea ice cover: a research synthesis. Clim. Change 110 (3), 1005—1027.
  • [18] Walczowski, W., 2014. Atlantic Water in the Nordic Seas. Springer, Heidelberg, New York, London, 300 pp.
Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-7142484a-a59c-4846-9c49-ac1b540c22fe
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