GULF STREAM DETECTION AND ESTIMATION WITH RADARSAT-2 ALONG-TRACK INTERFEROMETRY

被引：2

作者：

Rashid, Mamoon ^{[1
]}

Gierull, Christoph ^{[1
]}

机构：

[1] Def R&D Canada Ottawa, Dept Natl Def, Ottawa, ON, Canada

来源：

IGARSS 2020 - 2020 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2020年

关键词：

Along-Track Interferometry; Synthetic Aperture Radar; Calibration; Gulf Stream; Surface Currents; Radial Velocity;

D O I：

10.1109/IGARSS39084.2020.9323927

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

This paper presents first results of open ocean surface current retrieval in the satellite line-of-sight (LOS) direction using RADARSAT-2 along-track interferometry (ATI) over the expected track of the Gulf Stream (GS). Results are compared to measurements derived from NASA's Ocean Surface Current Analyses Real-time (OSCAR) dataset, which provides global near-surface ocean current estimates. Results show close spatial correspondence, and a RMS difference of approximately 21 cm/s was observed between the two estimates over the region identified as GS. However, due to its significantly higher spatial resolution, measurements obtained from RADARSAT-2 MODEX ScanSAR showed small scale surface current features that were entirely missed in the OSCAR dataset. This increased the RMS difference over the entire scene to approximately 50 cm/s.

引用

页码：1 / 4

页数：4

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