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  • 1
    Online Resource
    Online Resource
    Risk profiles and one-year outcomes of patients with newly diagnosed atrial fibrillation in India: Insights from the GARFIELD-AF Registry
    Elsevier BV ; 2018
    In:  Indian Heart Journal Vol. 70, No. 6 ( 2018-11), p. 828-835
    Details
    In: Indian Heart Journal, Elsevier BV, Vol. 70, No. 6 ( 2018-11), p. 828-835
    Type of Medium: Online Resource
    ISSN: 0019-4832
    URL: Article
    DOI: 10.1016/j.ihj.2018.09.001
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2018
    detail.hit.zdb_id: 2085051-7
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  • 2
    Online Resource
    Online Resource
    Processing, Compression and Transmission of Satellite IR Data for Near-Real-Time Use at Sea
    American Meteorological Society ; 1988
    In:  Journal of Atmospheric and Oceanic Technology Vol. 5, No. 2 ( 1988-04), p. 320-327
    Details
    In: Journal of Atmospheric and Oceanic Technology, American Meteorological Society, Vol. 5, No. 2 ( 1988-04), p. 320-327
    Type of Medium: Online Resource
    ISSN: 0739-0572 , 1520-0426
    URL: Article
    DOI: 10.1175/1520-0426(1988)005〈0320:PCATOS〉2.0.CO;2
    Language: English
    Publisher: American Meteorological Society
    Publication Date: 1988
    detail.hit.zdb_id: 2021720-1
    detail.hit.zdb_id: 48441-6
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  • 3
    Online Resource
    Online Resource
    Calibration of advanced very high resolution radiometer infrared channels: A new approach to nonlinear correction
    American Geophysical Union (AGU) ; 1993
    In:  Journal of Geophysical Research: Oceans Vol. 98, No. C10 ( 1993-10-15), p. 18257-18268
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 98, No. C10 ( 1993-10-15), p. 18257-18268
    Abstract: A detailed reanalysis of the calibration procedures for the National Oceanic and Atmospheric Administration (NOAA) advanced very high resolution radiometer (AVHRR) based on thermal‐vacuum test data was performed as part of the National Air and Space Administration/NOAA AVHRR Pathfinder Project. This effort, a followup to work by Brown et al. (1985), was motivated by the finding that the AVHRR instruments on several NOAA platforms have been routinely operated outside the range of thermal‐vacuum test results, and thus one could not interpolate nonlinear corrections directly from earlier methods. These new calibration procedures permit calculation of nonlinear temperature corrections for any AVHRR operating temperature based on a second‐order polynomial regression with a total calibration accuracy relative to an external calibration standard of less than two digital counts (±0.2°C). Such an improvement is quite important to the absolute accuracy of surface thermal fields, which are derived from these data utilizing various multichannel atmospheric water vapor correction schemes. We find systematic differences in the newly derived nonlinear correction results and those reported previously by Weinreb et al. (1990) and the original reference material in the various addenda to NOAA NESS Technical Memorandum 107 (Lauritson et al., 1979). Calibration results for various AVHRR radiometers show instrument‐similar corrections for each band. Radiometers on NOAA platforms 8‐12 demonstrate similar nonlinearities.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/93JC01638
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1993
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    detail.hit.zdb_id: 161667-5
    detail.hit.zdb_id: 2969341-X
    detail.hit.zdb_id: 161665-1
    detail.hit.zdb_id: 3094268-8
    detail.hit.zdb_id: 710256-2
    detail.hit.zdb_id: 2016804-4
    detail.hit.zdb_id: 3094181-7
    detail.hit.zdb_id: 3094219-6
    detail.hit.zdb_id: 3094167-2
    detail.hit.zdb_id: 2220777-6
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    SSG: 16,13
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  • 4
    Online Resource
    Online Resource
    Mesoscale ocean variability signal recovered from altimeter data in the SW Atlantic Ocean: a comparison of orbit error correction in three Geosat data sets
    FapUNIFESP (SciELO) ; 1995
    In:  Boletim do Instituto Oceanográfico Vol. 43, No. 2 ( 1995), p. 101-110
    Details
    In: Boletim do Instituto Oceanográfico, FapUNIFESP (SciELO), Vol. 43, No. 2 ( 1995), p. 101-110
    Abstract: Erro orbital tem sido a principal fonte de incerteza no processamento de dados altimétricos. Recentes conjuntos de dados, baseados em modelos de predição orbital mais avançados c em novas metodologias de correção de erro, já foram capazes de reduzir o erro orbital de ate uma ordem de magnitude em comparação com os GDRs originais. Ncslc trabalho nós avaliamos os resultados dessas melhores eslimativas na descrição da variabilidade "meso- escalar" na parte sudoeste do oceano Atlântico Sul. Comparamos resultados obtidos cm tres conjuntos de dados: os GDRs originais c os conjuntos de dados GEM-T2 c Sirkes-Wunsch. Para garantir a "sensibilidade" das estimativas dc variabilidade mcso-cscalar quanto às mudanças na precisão orbital, utilizamos as mesmas "correções ambientais" c o mesmo método dc processamento de dados no tratamento dos três conjuntos dc dados. Para investigar as possíveis diferenças entre os valores de variabilidade meso-escalar produzidos pelos tres conjuntos dc dados utilizamos as características espectrais dos residuais de "amplitude do mar" obtidas antes c depois da remoção do erro orbital "dependente" do tempo. O fato da componente mcso-cscalar do espectro quase não ter sido afetada pela remoção do maior comprimento de onda do sinal (o que corresponde principalmente ao erro orbital) sugere que muito pouco do sinal meso-escalar foi realmente removido através deste processo. Um "pico" menor no espectro da "faixa" B confirma uma variabilidade oceânica local menor com respeito à faixa A. Uma análise mais profunda demonstra que, após a remoção do erro orbital, os residuais de amplitude do mar são incrivelmente similares entre os três conjuntos de dados para uma determinada faixa. Tal resultado sugere que a precisão orbital contribui apenas parcialmente para o estudo da variabilidade meso-escalar oceânica. Esta conclusão só é válida se o erro orbital dependente do tempo puder ser removido sem se remover simultaneamente uma porção excessiva do sinal meso-escalar. Nossos resultados sugerem que estudos de variabilidade mesoescalar não requerem dados dc órbita altimótrica extremamente precisos. Além disso, apesar deste trabalho só analisar dados do GEOSAT do oceano Atlântico Sul, acredita-se que tal resultado possa ser extrapolado para outras regiões do mar. Isto é devido às características espectrais do erro orbital dependente do tempo c à possibilidade de remoção deste erro sem remoção de grande parle do sinal meso-escalar oceânico. Estes resultados, contudo, não significam que não se deva tentar obter valores orbitais mais precisos. Pelo contrário, tal melhoramento pode ser capaz de levar à eliminação dc algumas das limitações atualmente existentes na utilização dc dados altimétricos. Por exemplo, estimativas dc órbita do GEOSAT mais precisas nos permitiriam estudar a variabilidade oceânica cm larga escala e, através de uma melhor compreensão do geoide, nos auxiliariam no estudo da circulação oceânica "meso e largoescalar" geral.
    Type of Medium: Online Resource
    ISSN: 0373-5524
    URL: Article
    DOI: 10.1590/S0373-55241995000200002
    Language: Unknown
    Publisher: FapUNIFESP (SciELO)
    Publication Date: 1995
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  • 5
    Online Resource
    Online Resource
    Nimbus 7 CZCS: reduction of its radiometric sensitivity with time
    Optica Publishing Group ; 1983
    In:  Applied Optics Vol. 22, No. 24 ( 1983-12-15), p. 3929-
    Details
    In: Applied Optics, Optica Publishing Group, Vol. 22, No. 24 ( 1983-12-15), p. 3929-
    Type of Medium: Online Resource
    ISSN: 0003-6935 , 1539-4522
    URL: Article
    DOI: 10.1364/AO.22.003929
    Language: English
    Publisher: Optica Publishing Group
    Publication Date: 1983
    detail.hit.zdb_id: 207387-0
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  • 6
    Online Resource
    Online Resource
    Processing and analysis of large volumes of satellite‐derived thermal infrared data
    American Geophysical Union (AGU) ; 1987
    In:  Journal of Geophysical Research: Oceans Vol. 92, No. C12 ( 1987-11-15), p. 12993-13002
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 92, No. C12 ( 1987-11-15), p. 12993-13002
    Abstract: Reducing the large volume of TIROS‐N series advanced very high resolution radiometer‐derived data to a practical size for application to regional physcial oceanographic studies is a formidable task. Such data exist on a global basis for January 1979 to the present at approximately 4‐km resolution (global area coverage data, ≈2 passes per day) and in selected areas at high resolution (local area coverage and high‐resolution picture transmission data, at ≈1‐km resolution) for the same period. An approach that has been successful for a number of studies off the east coast of the United States divided the processing into two procedures: preprocessing and data reduction. The preprocessing procedure can reduce the data volume per satellite pass by over 98% for full‐resolution data or by ≈84% for the lower‐resolution data while the number of passes remains unchanged. The output of the preprocessing procedure for the examples presented is a set of sea surface temperature (SST) fields of 512 × 1024 pixels covering a region of approximately 2000 × 4000 km. In the data reduction procedure the number of SST fields (beginning with one per satellite pass) is generally reduced to a number manageable from the analyst's perspective (of the order of one SST field per day). This is done in most of the applications presented by compositing the data into 1‐ or 2‐day groups. The phenomena readily addressed by such procedures are the mean position of the Gulf Stream, the envelope of Gulf Stream meandering, cold core Gulf Stream ring trajectories, statistics on diurnal warming, and the region and period of 18°C water formation. The flexibility of this approach to regional oceanographic problems will certainly extend the list of applications quickly.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JC092iC12p12993
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1987
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    detail.hit.zdb_id: 2016800-7
    detail.hit.zdb_id: 161666-3
    detail.hit.zdb_id: 161667-5
    detail.hit.zdb_id: 2969341-X
    detail.hit.zdb_id: 161665-1
    detail.hit.zdb_id: 3094268-8
    detail.hit.zdb_id: 710256-2
    detail.hit.zdb_id: 2016804-4
    detail.hit.zdb_id: 3094181-7
    detail.hit.zdb_id: 3094219-6
    detail.hit.zdb_id: 3094167-2
    detail.hit.zdb_id: 2220777-6
    detail.hit.zdb_id: 3094197-0
    SSG: 16,13
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  • 7
    Online Resource
    Online Resource
    Observations of the Infrared Radiative Properties of the Ocean—Implications for the Measurement of Sea Surface Temperature via Satellite Remote Sensing
    American Meteorological Society ; 1996
    In:  Bulletin of the American Meteorological Society Vol. 77, No. 1 ( 1996-01), p. 41-51
    Details
    In: Bulletin of the American Meteorological Society, American Meteorological Society, Vol. 77, No. 1 ( 1996-01), p. 41-51
    Type of Medium: Online Resource
    ISSN: 0003-0007 , 1520-0477
    URL: Article
    DOI: 10.1175/1520-0477(1996)077〈0041:OOTIRP〉2.0.CO;2
    Language: English
    Publisher: American Meteorological Society
    Publication Date: 1996
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    detail.hit.zdb_id: 419957-1
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  • 8
    Online Resource
    Online Resource
    Clinical Outcomes and Response to Vericiguat According to Index Heart Failure Event : Insights From the VICTORIA Trial
    American Medical Association (AMA) ; 2021
    In:  JAMA Cardiology Vol. 6, No. 6 ( 2021-06-01), p. 706-
    Details
    In: JAMA Cardiology, American Medical Association (AMA), Vol. 6, No. 6 ( 2021-06-01), p. 706-
    Type of Medium: Online Resource
    ISSN: 2380-6583
    URL: Article
    DOI: 10.1001/jamacardio.2020.6455
    Language: English
    Publisher: American Medical Association (AMA)
    Publication Date: 2021
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  • 9
    Online Resource
    Online Resource
    Calibration of advanced very high resolution radiometer infrared observations
    American Geophysical Union (AGU) ; 1985
    In:  Journal of Geophysical Research: Oceans Vol. 90, No. C6 ( 1985-11-20), p. 11667-11677
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 90, No. C6 ( 1985-11-20), p. 11667-11677
    Abstract: A detailed analysis of the calibration procedures for the NOAA advanced very high resolution radiometer (AVHRR) based on thermal vacuum test data was performed as part of the Warm Core Rings Experiment. We find systematic differences in the derived calibration results and those reported in the various addenda to work by Lauritson et al. (1979). A weak, but important, dependence in calibration upon internal operating temperature is also observed. Calibration results for various AVHRR radiometers show instrument specific changes in the relative emittance between internal and external calibration targets. A consistent calibration methodology is developed based on this analysis of the thermal vacuum test data. Use of these new results provides an improvement of radiometer calibration at the ±0.2°C level. Such an improvement is quite important to the absolute accuracy of surface thermal fields which are derived from these data utilizing various multichannel atmospheric water vapor correction schemes. Demonstration of such accuracies with presently operational sensors is of importance to climate related studies being planned for the next decade since it shows that appropriate processing can lead to higher‐quality SST fields.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JC090iC06p11667
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1985
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    detail.hit.zdb_id: 710256-2
    detail.hit.zdb_id: 2016804-4
    detail.hit.zdb_id: 3094181-7
    detail.hit.zdb_id: 3094219-6
    detail.hit.zdb_id: 3094167-2
    detail.hit.zdb_id: 2220777-6
    detail.hit.zdb_id: 3094197-0
    SSG: 16,13
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  • 10
    Online Resource
    Online Resource
    A semianalytic radiance model of ocean color
    American Geophysical Union (AGU) ; 1988
    In:  Journal of Geophysical Research: Atmospheres Vol. 93, No. D9 ( 1988-09-20), p. 10909-10924
    Details
    In: Journal of Geophysical Research: Atmospheres, American Geophysical Union (AGU), Vol. 93, No. D9 ( 1988-09-20), p. 10909-10924
    Abstract: A semianalytical radiance model is developed which predicts the upwelled spectral radiance at the sea surface as a function of the phytoplankton pigment concentration for Morel Case 1 waters. The model is in good agreement with experimental measurements carried out in waters which were not included in the data base used to derive it. It suggests that the observed variability in the radiance is due to variations in the backscattering of plankton and the associated detrital material. The model is extended to include other material in the water, such as dissolved organic material, referred to as yellow substances, and detached coccoliths from coccolithophorids, e.g., Emiliana huxleyi . Potential applications include an improved bio‐optical algorithm for the retrieval of pigment concentrations from satellite imagery in the presence of interference from detached coccoliths and an improved atmospheric correction for satellite imagery. The model also serves to identify and to interpret deviations from Case 1 waters.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JD093iD09p10909
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1988
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    detail.hit.zdb_id: 161667-5
    detail.hit.zdb_id: 2969341-X
    detail.hit.zdb_id: 161665-1
    detail.hit.zdb_id: 3094268-8
    detail.hit.zdb_id: 710256-2
    detail.hit.zdb_id: 2016804-4
    detail.hit.zdb_id: 3094181-7
    detail.hit.zdb_id: 3094219-6
    detail.hit.zdb_id: 3094167-2
    detail.hit.zdb_id: 2220777-6
    detail.hit.zdb_id: 3094197-0
    SSG: 16,13
    Location Call Number Limitation Availability
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