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  • 软件名称:卫星遥感反演海面风矢量数据真实性检验与质量评价
  • 软件大小: 0.00 B
  • 软件评级: ★★★
  • 开 发 商: 高健,王秀珍,许遐祯,陈燕,黄敬峰
  • 软件来源: 《遥感技术与应用》
  • 解压密码:www.gissky.net

资源简介

摘要: 微波散射计(QuikSCAT)和微波辐射计(WindSAT)的10 m风矢量数据是目前覆盖范围最大、持续时间最长的海面风场卫星数据产品。利用QuikSCAT和WindSAT运行时间重叠的风矢量原始轨道资料,分别与同步的全球海洋浮标实测风矢量资料进行比较。结果显示:QuikSCAT平均风速略大于浮标,平均绝对误差约为1 m/s;风向平均绝对误差在8°以下。WindSAT平均风速略大于浮标,平均绝对误差不超过0.5 m/s,均方根误差约为1 m/s;风向平均绝对误差在10°以下。在全球海域,QuikSCAT和WindSAT风矢量数据质量高,可信度极好。QuikSCAT和WindSAT在同一点上空的过境时间为准同步,并且二者的风矢量数据相关性极好,可以互相替代。 关键词: QuikSCAT;  WindSAT;  浮标;  风矢量;  相关性     Abstract: The data products of Microwave Scattermeter (QuikSCAT) and Microwave Radiometer (WindSAT) 10 m wind vectors are the largest coverage and longest time series for sea surface wind field at present.This paper compares the raw orbital data of QuikSCAT and WindSAT,with the buoy observation data in global ocean respectively.Comparisons showed that the average speed of QuikSCAT wind is slightly larger than buoy,and the average absolute bias are about 1 m/s;the average absolute bias of wind direction are less than 8°.The average speed of WindSAT wind is slightly larger than buoy,and the average absolute bias are not larger than 0.5 m/s,and the root mean square bias are about 1 m/s;the average absolute bias of wind direction are 10°or less.In global ocean,QuikSCAT and WindSAT wind vectors have high quality and can be relied.The transit time of QuikSCAT and WindSAT over the same point is synchronization.The wind vectors between QuikSCAT and WindSAT have good correlation and can be replaced each other.

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