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首页> 外文期刊>International journal of remote sensing >Surface currents from hourly variations of suspended particulate matter from Geostationary Ocean Color Imager data
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Surface currents from hourly variations of suspended particulate matter from Geostationary Ocean Color Imager data

机译：地球静止海洋彩色成像仪数据中悬浮颗粒物每小时变化产生的表面电流

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摘要

Surface currents in Korean coastal regions were obtained using the maximum cross-correlation method applied to hourly suspended particulate matter images from the Geostationary Ocean Color Imager. Preliminary current vectors were filtered out by applying a series of quality-control procedures. The current vectors resulting from the tests were compared with the currents from a numerical model with tide and wind field. It was found that the estimated currents were more similarly to the currents caused by both tide and wind. A high degree of discrepancy was detected in regions of strong tidal currents, where the fundamental assumption of horizontal movement was limited due to the dominant vertical tidal mixing in the shallow region. The hourly rotations of the current vectors within a day were clarified by a comparison of the time-varying orientation angles of tidal ellipses. This study emphasized how to understand the short-term surface flows from hourly high-resolution geostationary satellite images.
机译：韩国沿海地区的地表电流是使用最大互相关方法获得的，该方法应用于对地静止海洋彩色成像仪的每小时悬浮颗粒物图像。通过应用一系列质量控制程序，初步电流矢量被滤出。将测试产生的电流矢量与潮汐和风场数值模型中的电流进行比较。发现估计的电流与潮汐和风引起的电流更相似。在强潮流区域中检测到高度差异，其中水平运动的基本假设由于浅层区域中主要的垂直潮汐混合而受到限制。通过比较潮汐椭圆随时间变化的方位角，可以弄清一天中当前矢量的每小时旋转。这项研究强调了如何从每小时高分辨率对地静止卫星图像中了解短期地表流。

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  • 来源
    《International journal of remote sensing》 |2018年第6期|1929-1949|共21页
  • 作者

    Park Kyung-Ae; Lee Min-Sun; Park Ji-Eun; Ullman David; Cornillon Peter C.; Park Young-Je;

  • 作者单位

    Seoul Natl Univ, Dept Earth Sci Educ, Seoul 08826, South Korea;

    Seoul Natl Univ, Dept Sci Educ, Seoul, South Korea;

    Seoul Natl Univ, Dept Sci Educ, Seoul, South Korea;

    Univ Rhode Isl, Grad Sch Oceanog, Kingston, RI 02881 USA;

    Univ Rhode Isl, Grad Sch Oceanog, Kingston, RI 02881 USA;

    Korea Inst Ocean Sci & Technol, Korea Ocean Satellite Ctr, Ansan, South Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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