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首页> 外文会议>European Space Agency;Living planet symposium;EUMETSAT;European Commission >TOWARDS CALIBRATION OF SENTINEL 3 DATA: VALIDATION OF SATELLITEDERIVED SST AGAINST IN SITU COASTAL OBSERVATIONS OF THE PORTUGUESE MARINE WATERS
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TOWARDS CALIBRATION OF SENTINEL 3 DATA: VALIDATION OF SATELLITEDERIVED SST AGAINST IN SITU COASTAL OBSERVATIONS OF THE PORTUGUESE MARINE WATERS

机译：进行前哨3数据的校准：针对葡萄牙海洋水域原位沿海观测的卫星衍生SST验证

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摘要

Validation of future Sentinel-3 SLSTR data in thernEastern Atlantic Ocean was analysed here through arncomparison of satellite-derived STT against in siturnmooring buoys observations.rnSST_(skin) retrieved from IR satellite radiometers onboardrnERS 1-2, Envisat, and Aqua, and concurrentrnSST_(bulk) measured with 14 buoy thermistors located atrn~1m depth were used to assess the statisticalrnrelationships between these datasets, with 20038 matchupsrnspanning from 1996 to 2015.rnAs expected, results showed consistency betweenrnSST_(skin) and SST_(bulk), exhibiting a correlation coefficientrnon the order of 98 %. Biases of both (A)ATSR andrnMODIS for day-time suggest a warmer satellite skinrnretrieval of + 0.15º and + 0.06º, respectively. For thernnight-time dataset, biases of - 0.25º and - 0.17º forrn(A)ATSR and MODIS, respectively, indicate coolerrnskin retrievals and reveal an inversion of the upperrnocean thermic gradient. The RMSE´s found were 0.53ºrnfor (A)ATSR and 0.41º for MODIS datasets.
机译：本文通过卫星衍生的STT与siturn系泊浮标观测值的比较，分析了大西洋沿岸未来Sentinel-3 SLSTR数据的有效性。使用14个浮标热敏电阻（位于rn〜1m深度）进行测量，以评估这些数据集之间的统计关系，1996年至2015年的匹配数为20038个.rn数量级为98％。白天的（A）ATSR和rnMODIS的偏差表明，卫星趋肤取暖分别为+0.15º和+0.06º。对于黑夜时间数据集，forrn（A）ATSR和MODIS的偏差分别为-0.25º和-0.17º，表明皮肤较冷，并且揭示了上层白垩纪热梯度的反演。 （A）ATSR的RMSE为0.53ºrn，MODIS数据集的RMSE为0.41º。

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  • 会议地点 Prague(CZ)
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    Ricardo Vicente; Rita Esteves; Luísa Lamas; José Paulo Pinto; Sara Almeida; Eduardo de Azevedo; Cecília Correia; Francisco Reis;

  • 作者单位

    Instituto Hidrográfico, Rua das Trinas 49 1249-093 Lisboa, Portugal, pires.vicente@marinha.pt;

    Instituto Hidrográfico, Rua das Trinas 49 1249-093 Lisboa, Portugal rita.esteves@hidrografico.pt;

    Instituto Hidrográfico, Rua das Trinas 49 1249-093 Lisboa, Portugal luisa.lamas@hidrografico.pt;

    Instituto Hidrográfico, Rua das Trinas 49 1249-093 Lisboa, Portugal paulo.pinto@hidrografico.pt;

    Instituto Hidrográfico, Rua das Trinas 49 1249-093 Lisboa, Portugal sara.almeida@hidrografico.pt;

    Universidade dos Açores, DCA - Centro do Clima, Meteorologia e mudanças Globais, Rua Capitão JoãoD´Ávila, Pico da Urze, 9700-042, Angra do Heroísmo, Portugal, eduardo.mv.azevedo@uac.pt;

    Administração dos Portos da Região Autónoma da Madeira, S.A., Gare Marítima do Porto do Funchal, 9004-518 Funchal, Portugal, ceciliacorreia@apram.pt;

    Observatório do Ambiente dos Açores, Rua Gaspar Corte Real, Freguesia da Sé, 9700-030, Angra doHeroísmo;

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