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Assessment of satellite and ground-based estimates of surface currents

Conference paper
Authors Gisela Carvajal
Monika Wozniak
Céline Heuzé
Leif Eriksson
Johan Kronsell
Bengt Rydberg
Published in 36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS). 10-15 July 2016, Beijing, China.
ISBN 978-1-5090-3332-4
ISSN 2153-6996
Publisher IEEE
Place of publication New York
Publication year 2016
Published at Department of marine sciences
Language en
Links doi.org/10.1109/IGARSS.2016.7730220
Subject categories Oceanography, Other electrical engineering, electronics and photonics

Abstract

Estimation of surface currents still presents a challenge. In this work validates surface current estimates from the Maximum Cross Correlation (MCC) method, that uses spaceborne radiometer data, against ground-based retrievals from a High Frequency (HF) radar system. Moreover, these datasets have been compared with surface current data from two assimilated satellite products and four weather prediction models. The comparison shows large differences in the spatial resolution and the location of specific features. It is concluded that the variation of the observations may be due to the difference between the measuring or estimated method used in each case and the forces driving them.

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