...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of >Suspended Sediment Concentration Profiles From Synoptic Satellite Observations
【24h】

Suspended Sediment Concentration Profiles From Synoptic Satellite Observations

机译：来自天气卫星观测的悬浮泥沙浓度剖面

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A method is developed to estimate vertical suspended sediment concentration (SSC) profiles in Gulf of Kachchh, from the sediment concentration values derived from synoptic observations of Ocean Colour Monitor (OCM). Under the influence of currents, vertical SSC profiles are defined by power law being based on the frictional velocities and sediment settling velocities. For each water pixel in OCM, the vertical variations in SSC are determined from the SSC profiles calculated from power law using corresponding simulated frictional velocities and sediment size parameters. OCM derived SSC is considered to be summation of sediment concentration values from surface to first attenuation depth (hereafter OCM-depth) with an exponential decay of values with depth. Vertical variation profiles from surface to OCM-depth are scaled with respect to the corresponding OCM SSC values and the projected concentrations at the bottom are derived. The bottom concentrations derived is observed to vary chiefly with the tidal conditions prevailing within the gulf, when during the slack hours increase in bottom SSC values get enhanced owing to the settling of sediments from suspension.
机译：开发了一种方法，可以根据海洋颜色监测器（OCM）的天气观测得出的沉积物浓度值来估计卡奇赫湾的垂直悬浮沉积物浓度（SSC）剖面。在水流的影响下，垂直SSC轮廓由基于摩擦速度和沉积物沉降速度的幂定律定义。对于OCM中的每个水像素，SSC的垂直变化是根据SSC轮廓确定的，该轮廓由幂定律使用相应的模拟摩擦速度和沉积物尺寸参数计算得出。 OCM得出的SSC被认为是从地表到第一衰减深度（以下称OCM深度）的沉积物浓度值的总和，其值随深度呈指数衰减。相对于相应的OCM SSC值，缩放了从表面到OCM深度的垂直变化曲线，并得出了底部的预计浓度。观察到的底部浓度主要随海湾内的潮汐条件而变化，这是因为在松弛时间内，底部SSC值的增加由于悬浮物的沉淀而增加。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号