Search Results - "Johannessen, O. M."

The relation between sea ice thickness and freeboard in the Arctic by Alexandrov, V., Sandven, S., Wahlin, J., Johannessen, O. M.

“…Retrieval of Arctic sea ice thickness from CryoSat-2 radar altimeter freeboard data requires observational data to verify the relation between these two…”
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The Challenge of Long-Term Climate Change by Hasselmann, K., Latif, M., Hooss, G., Azar, C., Edenhofer, O., Jaeger, C. C., Johannessen, O. M., Kemfert, C., Welp, M., Wokaun, A.

“…Climate policy needs to address the multidecadal to centennial time scale of climate change. Although the realization of short-term targets is an important…”
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Satellite Evidence that E. huxleyi Phytoplankton Blooms Weaken Marine Carbon Sinks by Kondrik, D. V., Pozdnyakov, D. V., Johannessen, O. M.

“…Phytoplankton blooms of the coccolithophore Emiliania huxleyi are known to produce CO2, causing less uptake of atmospheric CO2 by the ocean, but a global…”
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Structure and Characteristics of Internal Wave Field in an Ocean Frontal Region East of Malta in Mediterranean by Chunchuzov, I. P., Johannessen, O. M., Popov, O. E.

“…The structure and characteristics of the internal wave field (coherence, frequency spectra, phase velocities, dispersion of velocity fluctuations) observed in…”
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Detection of oil spills near offshore installations using synthetic aperture radar (SAR) by ESPEDAL, H. A, JOHANNESSEN, O. M

“…Oil spills in marine environments are of great public, political and scientific concern, since such pollution may have a lethal effect on fragile marine and…”
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COASTWATCH'95: ERS 1/2 SAR detection of natural film on the ocean surface by Espedal, H. A., Johannessen, O. M., Johannessen, J. A., Dano, E., Lyzenga, D. R., Knulst, J. C.

“…Ocean mesoscale phenomena such as eddies and current convergence zones can often be seen in synthetic aperture radar (SAR) images due to characteristic…”
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Possible Mechanism for the Generation of Internal Waves by Submesoscale Eddies in the Mozambique Channel by Marchuk, E. A., Chunchuzov, I. P., Repina, I. A., Johannessen, O. M.

“…This paper studies a possible mechanism for the formation of spiral structures around a submesoscale eddy (Rossby number Ro ~ 5) detected on September 22,…”
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Ocean release of fossil fuel CO2: A case study by Drange, H., Alendal, G., Johannessen, O. M.

“…The natural ocean uptake of the greenhouse gas CO2 can be accelerated by collecting and liquefying the gas from point sources, and by pumping it into the ocean…”
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A possible generation mechanism for internal waves near the edge of a submesoscale eddy by Chunchuzov, I.P., Johannessen, O.M., Marmorino, G.O.

“…Recently, it has been shown for the first time by observations that an anticyclonic mesoscale eddy can generate internal waves (wavelengths of 0.4 to 1 km)…”
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Coastal wind field retrievals from ERS synthetic aperture radar images by Korsbakken, Erik, Johannessen, J. A., Johannessen, O. M.

“…A unique series of European Remote Sensing Satellite (ERS) 1 and 2 C band synthetic aperture radar (SAR) images was obtained off the southern coast of Norway…”
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MODIS evidences the river run-off impact on the Kara Sea trophy by Pozdnyakov, D. V., Korosov, A. A., Pettersson, L. H., Johannessen, O. M.

“…The Kara Sea (for geographic location and names see figure 1(a)) has a unique hydrological feature: it annually receives a record amount of river run-off…”
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Observations of internal waves generated by an anticyclonic eddy: a case study in the ice edge region of the Greenland Sea by Johannessen, O.M., Sandven, S., Chunchuzov, I.P., Shuchman, R.A.

“…Internal waves in the ocean play an important role in turbulence generation due to wave-breaking processes and mixing of the ocean. Airborne radar images of…”
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Wind energy mapping of coastal zones by synthetic aperture radar (SAR) for siting potential windmill locations by JOHANNESSEN, O. M, BJORGO, E

“…The Earth's population is facing an increasing demand for electrical power. After the Kyoto meeting which gave clear signals of reductions in the CO sub(2)…”
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Cover: Detection of oil spills near offshore installations using synthetic aperture radar (SAR) by Espedal, H. A., Johannessen, O. M.

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An approach for assessing boreal forest conditions based on combined use of satellite SAR and multi-spectral data by Miles, V. V., Bobylev, L. P., Maximov, S. V., Johannessen, O. M., Pitulko, V. M.

“…The degree and spatial distribution of boreal forest ecosystem degradation in Russia are not well known. The objective of this study is to develop an…”
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Validation of a hybrid coordinate ocean model for the Indian Ocean by George, M S, Bertino, L, Johannessen, O M, Samuelsen, A

“…An eddy-permitting HYbrid Coordinate Ocean Model (HYCOM) configured for the Indian Ocean has been validated using both in-situ and satellite observations. The…”
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Multisensor approach to automated classification of sea ice image data by Bogdanov, A.V., Sandven, S., Johannessen, O.M., Alexandrov, V.Yu, Bobylev, L.P.

“…A multisensor data fusion algorithm based on a multilayer neural network is presented for sea ice classification in the winter period. The algorithm uses…”
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Ice-Edge Eddies in the Fram Strait Marginal Ice Zone by Johannessen, O. M., Johannessen, J. A., Svendsen, E., Shuchman, R. A., Campbell, W. J., Josberger, E.

“…Five prominent ice-edge eddies in Fram Strait on the scale of 30 to 40 kilometers were observed over deep water within 77° N to 79° N and 5° W to 3° E. The use…”
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Analysis of merged SMMR-SSMI time series of Arctic and Antarctic sea ice parameters 1978-1995 by Bjørgo, Einar, Johannessen, Ola M., Miles, Martin W.

“…The most consistent means of investigating the global sea ice cover is by satellite passive microwave sensors, as these are independent of illumination and…”
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SAR-retrieved wind in polar regions-comparison with in situ data and atmospheric model output by Furevik, B.R., Johannessen, O.M., Sandvik, A.D.

“…European remote sensing (ERS) satellites synthetic aperture radar (SAR) wind retrievals using CMOD-IFR2 are, for the first time, retrieved in the marginal ice…”
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