Search Results - "sea ice"

Spatiotemporal variability of barium in Arctic sea-ice and seawater by Hendry, Katharine R., Pyle, Kimberley M., Butler, G. Barney, Cooper, Adam, Fransson, Agneta, Chierici, Melissa, Leng, Melanie J., Meyer, Amelie, Dodd, Paul A.

“…Here, we present barium concentrations from seawater and sea-ice collected during the Norwegian Young Sea ICE expedition from boreal winter into summer. …”
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Sea ice dynamics influence halogen deposition to Svalbard by Spolaor, A., Gabrieli, J., Martma, T., Kohler, J., Björkman, M., Isaksson, E., Varin, C., Vallelonga, P., Plane, J., Barbante, C.

“…Sea ice is an important parameter in the climate system and its changes impact upon the polar albedo and atmospheric and oceanic circulation. …”
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Modelling acoustic transmission loss due to sea ice cover by Alexander, P., Duncan, Alec, Bose, N., Smith, D.

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Sea ice diatom contributions to Holocene nutrient utilization in East Antarctica by Panizzo, Virginia, Crespin, Julien, Crosta, Xavier, Shemesh, Aldo, Masse, Guillaume, Yam, Ruth, Mattielli, Nadine, Cardinal, Damien

“…Based on mass balance calculations,we highlight that diatom species derived from the semi-enclosed sea ice environment may have a confoundingeffect upon δ30Sidowncorecompositions of the seasonal sea ice zone. …”
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High Angular Resolution Measurements of the Anisotropy of Reflectance of Sea Ice and Snow by Goyens, C., Marty, S., Leymarie, E., Antoine, David, Babin, M., Bélanger, S.

“…We introduce a new method to determine the anisotropy of reflectance of sea ice and snow at spatial scales from 1 m 2 to 80 m 2 using a multispectral circular fish-eye radiance camera (CE600). …”
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Noise characterisation of the Aurora Australis while stationary in Antarctic sea ice by Alexander, P., Duncan, Alec, Bose, N., Wilkes, Daniel, Lewis, R., De Souza, P.

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Sea-ice-related halogen enrichment at Law Dome, coastal East Antarctica by Vallelonga, P, Maffezzoli, N., Moy, A., Curran, M., Vance, T., Edwards, Peter, Hughes, Gwyn, Barker, Emily, Spreen, G., Saiz-Lopez, A., Corella, J., Cuevas, C., Spolaor, A.

“…The Law Dome site is ideal for the evaluation of sea ice proxies due to its location near to the Antarctic coast, regular and high accumulation throughout the year, an absence of surface melting or remobilization, and minimal multiyear sea ice. …”
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The amplification of Arctic terrestrial surface temperatures by reduced sea-ice extentduring the Pliocene by Ballantyne, A., Axford, Y., Miller, Gifford, Otto-Bliesner, B., Rosenbloom, N., white, J.

Subjects: “…Sea ice…”
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Development And Analysis Of An Inverse Microwave Scattering Model For Active Remote Sensing Of Sea Ice by Lee, Yu Jen

“…In this study, an inverse microwave scattering model for sea ice has been developed for the purpose of sea ice thickness retrieval using radar backscatter data. …”
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Development Of A Multilayer Scattering Model For Microwave Remote Sensing Of Sea Ice In Antarctica by Albert, Mohan Dass

“…The RT equation is then solved iteratively. Very often, sea ice is also covered by a layer of snow in Antarctica, therefore in developing our model, snow has been included as one more layer contributing to backscattering coefficient.…”
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Modelling acoustic propagation beneath Antarctic sea ice using measured environmental parameters by Alexander, P., Duncan, Alec, Bose, N., Williams, G.

“…Autonomous underwater vehicles are improving and expanding in situ observations of sea ice for the validation of satellite remote sensing and climate models. …”
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Kinetic analysis of the adsorption of lead (II) onto an Antarctic sea-ice bacterial exopolysaccharide by Adamu, Faggo Abdullahi, Marbawi, Hartinie, Othman, Ahmad Razi, Yasid, Nur Adeela, Shukor, Mohd Yunus

“…The biosorption of the biosorption of lead(II) onto an Antarctic sea-ice bacterial exopolysaccharide is remodeled using nonlinear regression and the optimal mode was determined by a series of error function assessments. …”
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Isothermal modelling of the adsorption of Lead(II) onto an antarctic sea-Ice Bacterial Exopolysaccharide by Ubana, Muhammed Abdullahi, Ya'u, Murtala, Marbawi, Hartinie, Yasid, Nur Adeela, Shukor, Mohd Yunus

“…The biosorption of the biosorption of lead(II) onto an Antarctic sea-ice bacterial exopolysaccharide is remodeled using nonlinear regression and the optimal mode was determined by a series of error function assessments. …”
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A Theoretical and Measurement Study of Sea Ice and Ice Shelf in Antarctica as Electrically Dense Media by Albert, M. D., Tan, T. E., Ewe, H. T., Chuah, H. T.

“…The ground truth measurement of multi-year period has been conducted at sea ice and ice shelf areas near Scott Base, Ross Island in Antarctica and a series of measurement of sea ice and snow physical parameters including distribution statistics of the air bubbles in sea ice are carried out. …”
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The Ross Sea Dipole-temperature, snow accumulation and sea ice variability in the Ross Sea region, Antarctica, over the past 2700 years by Bertler, N., Conway, H., Dahl-Jensen, D., Emanuelsson, D., Winstrup, M., Vallelonga, P., Lee, J., Brook, E., Severinghaus, J., Fudge, T., Keller, E., Troy Baisden, W., Hindmarsh, R., Neff, P., Blunier, T., Edwards, Peter, Mayewski, P., Kipfstuhl, S., Buizert, C., Canessa, S., Dadic, R., Kjær, H., Kurbatov, A., Zhang, D., Waddington, E., Baccolo, G., Beers, T., Brightley, H., Carter, L., Clemens-Sewall, D., Ciobanu, V., Delmonte, B., Eling, L., Ellis, A., Ganesh, S., Golledge, N., Haines, S., Handley, M., Hawley, R., Hogan, C., Johnson, K., Korotkikh, E., Lowry, D., Mandeno, D., McKay, R., Menking, J., Naish, T., Noerling, C., Ollive, A., Orsi, A., Proemse, B., Pyne, A., Pyne, R., Renwick, J., Scherer, R., Semper, S., Simonsen, M., Sneed, S., Steig, E., Tuohy, A., Ulayottil Venugopal, A., Valero-Delgado, F., Venkatesh, J., Wang, F., Wang, S., Winski, D., Holly, W., Whiteford, A., Xiao, C., Yang, J., Zhang, X.

“…We interpret this pattern as reflecting an increase in sea ice in the eastern Ross Sea with perhaps the establishment of a modern Roosevelt Island polynya as a local moisture source for RICE.…”
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Investigating Bering Sea oceanographic response to the Milankovitch orbital cycle climatic shift during the middle Pleistocene by Worne, Savannah

Subjects: “…Bering Sea; sea ice; upwelling; glacial-interglacial; MPT; CO2; diatom…”
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Asynchronous Little Ice Age glacier fluctuations in Iceland and European Alps linked to shifts in subpolar North Atlantic circulation by Larsen, D., Miller, Gifford, Geirsdottir, A.

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Applications of Underwater Acoustics in Polar Environments by Gavrilov, Alexander, Mikhalevsky, P.

“…The unique feature of the Arctic and Antarctic polar oceans that affects underwater acoustics, both the propagation of sound and the ambient noise, is the presence of sea ice that seasonally expands and retreats and ice shelves extending from the land into the ocean. …”
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Statistical optimization with nonlinear constraints and parameter identification for the cutoff height of pressure ridges by Tan, B., Wang, Xiangyu, Wang, L., Peng, L., Li, Z.

“…Sociedade Brasileira de Matemática Aplicada e Computacional.To determinate the cutoff height of pressure ridges on the sea ice surface, a statistical optimal model with nonlinear constraints is established. …”
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Low-frequency acoustic propagation loss in the Arctic Ocean: results of the Arctic climate observations using underwater sound experiment by Gavrilov, Alexander, Mikhalevsky, P.

“…Acoustic data from the Arctic climate observations using underwater sound (ACOUS) experiment are analyzed to determine the correlation between acoustic propagation loss and the seasonal variability of sea ice thickness. The objective of this research is to provide long-term synoptic monitoring of sea ice thickness, an important global climate variable, using acoustic remote sensing. …”
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