Search Results - "Kauker, F."

Arctic Ocean basin liquid freshwater storage trend 1992-2012 by Rabe, B., Karcher, M., Kauker, F., Schauer, U., Toole, J. M., Krishfield, R. A., Pisarev, S., Kikuchi, T., Su, J.

“…Freshwater in the Arctic Ocean plays an important role in the regional ocean circulation, sea ice, and global climate. From salinity observed by a variety of…”
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Adjoint analysis of the 2007 all time Arctic sea-ice minimum by Kauker, F., Kaminski, T., Karcher, M., Giering, R., Gerdes, R., Voßbeck, M.

“…The past two decades saw a steady decrease of summer Arctic sea ice extent. The 2007 value was yet considerably lower than expected from extrapolating the…”
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Arctic Ocean freshwater: How robust are model simulations? by Jahn, A., Aksenov, Y., de Cuevas, B. A., de Steur, L., Häkkinen, S., Hansen, E., Herbaut, C., Houssais, M.-N., Karcher, M., Kauker, F., Lique, C., Nguyen, A., Pemberton, P., Worthen, D., Zhang, J.

“…The Arctic freshwater (FW) has been the focus of many modeling studies, due to the potential impact of Arctic FW on the deep water formation in the North…”
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Arctic Ocean warming and its consequences for the Denmark Strait overflow by Karcher, M., Beszczynska-Möller, A., Kauker, F., Gerdes, R., Heyen, S., Rudels, B., Schauer, U.

“…Two anomalously warm inflow pulses into the Atlantic Water Layer of the Arctic Ocean have occurred since the late 1980s. As a consequence temperatures of the…”
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On the dynamics of Atlantic Water circulation in the Arctic Ocean by Karcher, M., Kauker, F., Gerdes, R., Hunke, E., Zhang, J.

“…We use a subset of models from the coordinated experiment of the Arctic Ocean Model Intercomparison Project (AOMIP) to analyze differences in intensity and…”
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Exploring the utility of quantitative network design in evaluating Arctic sea ice thickness sampling strategies by Kaminski, T, Kauker, F, Eicken, H, Karcher, M

“…We present a quantitative network design (QND) study of the Arctic sea ice–ocean system using a software tool that can evaluate hypothetical observational…”
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Model analysis of worst place scenarios for nuclear accidents in the northern marine environment by Kauker, F., Kaminski, T., Karcher, M., Dowdall, M., Brown, J., Hosseini, A., Strand, P.

“…The North and Nordic Seas contains some of the world's most important fishery resources and is an area of significant traffic involving nuclear powered vessels…”
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Modelling dispersal of radioactive contaminants in Arctic waters as a result of potential recovery operations on the dumped submarine K-27 by Karcher, M., Hosseini, A., Schnur, R., Kauker, F., Brown, J.E., Dowdall, M., Strand, P.

“…Of the wide variety of dumped objects containing radioactive materials in the Arctic seas, the submarine K-27 constitutes a major risk due to the large amount…”
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Water properties and circulation in Arctic Ocean models by Holloway, G., Dupont, F., Golubeva, E., Häkkinen, S., Hunke, E., Jin, M., Karcher, M., Kauker, F., Maltrud, M., Morales Maqueda, M. A., Maslowski, W., Platov, G., Stark, D., Steele, M., Suzuki, T., Wang, J., Zhang, J.

“…As a part of the Arctic Ocean Model Intercomparison Project, results from 10 Arctic ocean/ice models are intercompared over the period 1970 through 1999…”
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Arctic Ocean change heralds North Atlantic freshening by Karcher, M., Gerdes, R., Kauker, F., Köberle, C., Yashayaev, I.

“…A large pool of freshwater formed of ice and runoff is hosted by the Arctic Ocean. It exits through the Canadian Archipelago and Fram Strait to enter the North…”
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Derivation of risk indices and analysis of variablility for the management of incidents involving the transport of nuclear materials in the Northern Seas by Brown, J., Hosseini, A., Karcher, M., Kauker, F., Dowdall, M., Schnur, R., Strand, P.

“…The transport of nuclear or radioactive materials and the presence of nuclear powered vessels pose risks to the Northern Seas in terms of potential impacts to…”
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Impacts on the marine environment in the case of a hypothetical accident involving the recovery of the dumped Russian submarine K-27, based on dispersion of 137 Cs by Hosseini, A, Amundsen, I, Brown, J, Dowdall, M, Karcher, M, Kauker, F, Schnur, R

“…There is increasing concern regarding the issue of dumped nuclear waste in the Arctic Seas and in particular dumped objects with Spent Nuclear Fuel (SNF)…”
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Impacts on the marine environment in the case of a hypothetical accident involving the recovery of the dumped Russian submarine K-27, based on dispersion of 137Cs by Hosseini, A., Amundsen, I., Brown, J., Dowdall, M., Karcher, M., Kauker, F., Schnur, R.

“…There is increasing concern regarding the issue of dumped nuclear waste in the Arctic Seas and in particular dumped objects with Spent Nuclear Fuel (SNF)…”
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Weddell Sea anomalies: Excitation, propagation, and possible consequences by Hellmer, H. H., Kauker, F., Timmermann, R.

“…Antarctic marginal seas are susceptible to significant decadal variability as revealed by the analysis of a 200‐year integration of a regional ice‐ocean model…”
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A comparison between gradient descent and stochastic approaches for parameter optimization of a sea ice model by Sumata, H, Kauker, F, Gerdes, R, Köberle, C, Karcher, M

“…Two types of optimization methods were applied to a parameter optimization problem in a coupled ocean–sea ice model of the Arctic, and applicability and…”
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Modeling decadal variability of the Baltic Sea: 1. Reconstructing atmospheric surface data for the period 1902–1998 by Kauker, F., Meier, H. E. M.

“…A statistical model is developed to reconstruct atmospheric surface data for the period 1902–1998 to force a coupled sea ice‐ocean model of the Baltic Sea. As…”
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Sensitivity of simulated Arctic sea ice to realistic ice thickness distributions and snow parameterizations by Castro-Morales, K., Kauker, F., Losch, M., Hendricks, S., Riemann-Campe, K., Gerdes, R.

“…Sea ice and snow on sea ice to a large extent determine the surface heat budget in the Arctic Ocean. In spite of the advances in modeling sea‐ice…”
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Sensitivities and uncertainties in a coupled regional atmosphere-ocean-ice model with respect to the simulation of Arctic sea ice by Dorn, W., Dethloff, K., Rinke, A., Frickenhaus, S., Gerdes, R., Karcher, M., Kauker, F.

“…A series of sensitivity experiments using a coupled regional atmosphere‐ocean‐ice model of the Arctic has been conducted in order to identify the requirements…”
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A case study of the anomalous Arctic sea ice conditions during 1990: Insights from coupled and uncoupled regional climate model simulations by Rinke, A., Gerdes, R., Dethloff, K., Kandlbinder, T., Karcher, M., Kauker, F., Frickenhaus, S., Köberle, C., Hiller, W.

“…The regional coupled atmosphere‐ice‐ocean model HIRHAM‐MOM has been developed to simulate the Arctic climate. The model has been applied for the year 1990,…”
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Model simulation of Greenland Sea upper-ocean variability by Häkkinen, S., Dupont, F., Karcher, M., Kauker, F., Worthen, D., Zhang, J.

“…Observations indicate that the occurrence of dense upper‐ocean water masses coincides with periods of intense deep‐water formation in the Greenland Sea. This…”
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