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  • 1
    Online Resource
    Online Resource
    Modeled and observed mesoscale circulation and wave‐current refraction during the 1988 Norwegian Continental Shelf Experiment
    American Geophysical Union (AGU) ; 1991
    In:  Journal of Geophysical Research: Oceans Vol. 96, No. C6 ( 1991-06-15), p. 10487-10506
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 96, No. C6 ( 1991-06-15), p. 10487-10506
    Abstract: A simple two‐layer, quasi‐geostrophic model with bottom topography is shown to reproduce several features of the mesoscale circulation on the Norwegian continental shelf between 62°N and 66°N, as observed with in situ and remote sensing instruments during the Norwegian Continental Shelf Experiment (NORCSEX '88). The widening of the shelf, its steplike deepening northeastward along the coast, and the presence of the Haltenbank generate intense eddy activity. Further northeast, Atlantic Water is steered anticyclonically around the Haltenbank, and the Norwegian Coastal Current is squeezed toward the coast. The variability of the modeled and observed near‐surface current is shown by ray‐tracing calculations to be able to generate significant wave‐current refraction. In addition to its importance for wave modeling and prediction, this fact opens possibilities for indirect surface current measurements from directional wave observations, particularly from synthetic aperture radar.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/91JC00299
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1991
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  • 2
    Online Resource
    Online Resource
    Greenland Sea Odden sea ice feature: Intra‐annual and interannual variability
    American Geophysical Union (AGU) ; 1998
    In:  Journal of Geophysical Research: Oceans Vol. 103, No. C6 ( 1998-06-15), p. 12709-12724
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 103, No. C6 ( 1998-06-15), p. 12709-12724
    Abstract: The “Odden” is a large sea ice feature that forms in the east Greenland Sea that may protrude eastward to 5°E from the main sea ice pack (at about 8°W) between 73° and 77°N. It generally forms at the beginning of the winter season and can cover 300,000 km 2 . Throughout the winter the outer edge of the Odden may advance and retreat by several hundred kilometers on timescales of a few days to weeks. Satellite passive microwave observations from 1978 through 1995 provide a continuous record of the spatial and temporal variations of this extremely dynamic phenomenon. Aircraft synthetic aperture radar, satellite passive microwave, and ship observations in the Odden show that the Odden consists of new ice types, rather than older ice types advected eastward from the main pack. The 17‐year record shows both strong interannual and intra‐annual variations in Odden extent and temporal behavior. For example, in 1983 the Odden was weak, in 1984 the Odden did not occur, and in 1985 the Odden returned late in the season. An analysis of the ice area and extent time series derived from the satellite passive microwave observations along with meteorological data from the International Arctic Buoy Program (IABP) determined the meteorological forcing associated with Odden growth, maintenance, and decay. The key meteorological parameters that are related to the rapid ice formation and decay associated with the Odden are, in order of importance, air temperature, wind speed, and wind direction. Oceanographic parameters must play an important role in controlling Odden formation, but it is not yet possible to quantify this role because of a lack of long‐term oceanographic observations.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/98JC00375
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1998
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  • 3
    Online Resource
    Online Resource
    Sensitivity of remote sensing-derived phytoplankton productivity to mixed layer depth: Lessons from the carbon-based productivity model : OCEAN PRODUCTIVITY AND MIXED LAYER DEPTH
    American Geophysical Union (AGU) ; 2009
    In:  Global Biogeochemical Cycles Vol. 23, No. 4 ( 2009-12), p. n/a-n/a
    Details
    In: Global Biogeochemical Cycles, American Geophysical Union (AGU), Vol. 23, No. 4 ( 2009-12), p. n/a-n/a
    Type of Medium: Online Resource
    ISSN: 0886-6236
    URL: Article
    DOI: 10.1029/2008GB003431
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 2009
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  • 4
    Online Resource
    Online Resource
    Synthetic aperture radar imaging of upper ocean circulation features and wind fronts
    American Geophysical Union (AGU) ; 1991
    In:  Journal of Geophysical Research: Oceans Vol. 96, No. C6 ( 1991-06-15), p. 10411-10422
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 96, No. C6 ( 1991-06-15), p. 10411-10422
    Abstract: Airborne C band synthetic aperture radar (SAR) data were collected during the Norwegian Continental Shelf Experiment (NORCSEX) carried out in March 1988. Unique signature variations in the SAR backscatter due to upper ocean circulation features and wind fronts were found. It is documented that a current jet of 0.3 m s −1 with a shear of about 0.3 × 10 −3 s −1 is correlated with a narrow, bright curved line in the backscatter. In comparison a rapid wind shift of 9 m s −1 resulted in a sharp transition from dark to brighter backscatter regions. The corresponding profiles of backscatter modulation across these features are expressed by a peak of about 2 dB in contrast to a steplike increase of 5–8 dB. This suggests that SAR image expressions of upper ocean circulation features and wind fronts can be distinguished and classified. On the basis of this classification, we attempt to quantify the dominating marine geophysical variables. This method for systematic interpretation of SAR images should be further validated with the use of airborne or satellite data such as from the first European Space Agency remote sensing satellite, ERS 1.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/91JC00301
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1991
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  • 5
    Online Resource
    Online Resource
    Remote sensing and model simulation studies of the Norwegian coastal current during the algal bloom in May 1988
    Informa UK Limited ; 1989
    In:  International Journal of Remote Sensing Vol. 10, No. 12 ( 1989-12), p. 1893-1906
    Details
    In: International Journal of Remote Sensing, Informa UK Limited, Vol. 10, No. 12 ( 1989-12), p. 1893-1906
    Type of Medium: Online Resource
    ISSN: 0143-1161 , 1366-5901
    URL: Article
    DOI: 10.1080/01431168908904018
    Language: English
    Publisher: Informa UK Limited
    Publication Date: 1989
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    SSG: 14
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  • 6
    Online Resource
    Online Resource
    Assimilating along-track SLA data using the EnOI in an eddy resolving model of the Agulhas system
    Springer Science and Business Media LLC ; 2014
    In:  Ocean Dynamics Vol. 64, No. 8 ( 2014-8), p. 1121-1136
    Details
    In: Ocean Dynamics, Springer Science and Business Media LLC, Vol. 64, No. 8 ( 2014-8), p. 1121-1136
    Type of Medium: Online Resource
    ISSN: 1616-7341 , 1616-7228
    URL: Article
    DOI: 10.1007/s10236-014-0717-6
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2014
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  • 7
    Online Resource
    Online Resource
    On the Use of Dual Co-Polarized Radar Data to Derive a Sea Surface Doppler Model—Part 2: Simulation and Validation
    Institute of Electrical and Electronics Engineers (IEEE) ; 2023
    In:  IEEE Transactions on Geoscience and Remote Sensing Vol. 61 ( 2023), p. 1-9
    Details
    In: IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers (IEEE), Vol. 61 ( 2023), p. 1-9
    Type of Medium: Online Resource
    ISSN: 0196-2892 , 1558-0644
    URL: Article
    DOI: 10.1109/TGRS.2023.3246771
    Language: Unknown
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Publication Date: 2023
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  • 8
    Online Resource
    Online Resource
    On the Use of Dual Co-Polarized Radar Data to Derive a Sea Surface Doppler Model—Part 1: Approach
    Institute of Electrical and Electronics Engineers (IEEE) ; 2023
    In:  IEEE Transactions on Geoscience and Remote Sensing Vol. 61 ( 2023), p. 1-13
    Details
    In: IEEE Transactions on Geoscience and Remote Sensing, Institute of Electrical and Electronics Engineers (IEEE), Vol. 61 ( 2023), p. 1-13
    Type of Medium: Online Resource
    ISSN: 0196-2892 , 1558-0644
    URL: Article
    DOI: 10.1109/TGRS.2023.3235829
    Language: Unknown
    Publisher: Institute of Electrical and Electronics Engineers (IEEE)
    Publication Date: 2023
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  • 9
    Online Resource
    Online Resource
    The Norwegian Continental Shelf Experiment prelaunch ERS 1 investigation
    American Geophysical Union (AGU) ; 1991
    In:  Journal of Geophysical Research: Oceans Vol. 96, No. C6 ( 1991-06-15), p. 10409-10410
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 96, No. C6 ( 1991-06-15), p. 10409-10410
    Abstract: The Norwegian Continental Shelf Experiment (NORCSEX '88), a pre‐launch ERS 1 field investigation, was carried out during a 25‐day period in March 1988 on the continental shelf off the coast of Norway centered at 64°N with participation from Canada, France, Norway, the United States, and the Federal Republic of Germany. The overall goal was aimed at investigation of the capability of the first European Space Agency (ESA) remote sensing satellite (ERS 1) type active microwave sensors to measure marine variables such as near‐surface wind, waves and ocean surface current and their interaction in weather conditions ranging from moderate to extreme. The capability of the ERS‐I‐type active microwave instruments to sense these variables was investigated by combined use of the Canadian CV‐580 C band synthetic aperture radar (SAR), the U.S. Geosat radar altimeter, and a shipmounted scatterometer. Complementary in situ measurements of characteristic quantities in the lower atmosphere and upper ocean were simultaneously collected from research vessels, moorings, and drifting buoys.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/91JC00703
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1991
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  • 10
    Online Resource
    Online Resource
    Regional and mesoscale modeling of ice covered oceans
    American Geophysical Union (AGU) ; 1990
    In:  Eos, Transactions American Geophysical Union Vol. 71, No. 14 ( 1990-04-03), p. 371-379
    Details
    In: Eos, Transactions American Geophysical Union, American Geophysical Union (AGU), Vol. 71, No. 14 ( 1990-04-03), p. 371-379
    Abstract: Members of the ice‐ocean modeling community discussed and compared modeling approaches, capabilities, limitations and future goals at the Regional and Mesoscale Modeling of Ice Covered Oceans workshop, held near Bergen, Norway, October 23–27, 1989. The goal was to determine how well geophysical processes present in ice‐covered oceans are understood and modeled, and to identify data from upcoming field investigations, including satellite remote sensing, that can be used to determine processes that crucially control climatic changes on seasonal or longer time scales. Sponsored by the International Association for Physical Sciences of the Ocean, the Office of Naval Research, and Rieber Shipping Ltd., the workshop attracted more than 60 attendees from the U.S., Canada, U.S.S.R., Japan, New Zealand, France, F.R.G., U.K., Italy, Finland, Sweden, Denmark and Norway. Forty‐two papers were presented in five separate sessions that addressed formation of eddies, jets and vortex pairs; marginal Ice Zone and interior ice dynamics; data blending and assimilation techniques in regionaloperational modeling of the Greenland and Barents seas; coupling of sea ice to atmospheric and oceanic boundary layers; and sea ice‐ocean coupling in large‐scale circulation models. The discussions that followed formal presentations in each session are summarized in this report.
    Type of Medium: Online Resource
    ISSN: 0096-3941 , 2324-9250
    URL: Article
    DOI: 10.1029/EO071i014p00371-02
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1990
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