Technical note: Impacts of collocation window on the accuracy of altimeter/buoy wind-speed comparison-a simulation study

Authors: Chen G.1; Lin H.2

Source: International Journal of Remote Sensing, Volume 22, Number 1, 2001 , pp. 35-44(10)

Publisher: Taylor and Francis Ltd

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Abstract:

Choosing space and time windows is often a puzzling task in the simultaneous comparison of satellite and in situ observations. Numerical simulations were carried out to examine the impacts of instrument noises, geophysical variabilities and the number of data pairs on the determination of an optimal size of space and time windows in the calibration/validation of altimeter-derived wind speeds against buoy measurements. Useful results not only provide technical guidelines for future altimeter/buoy wind-speed comparisons, but also help to explain some past confusions.

Language: English

Document Type: Research article

Affiliations: 1: Laboratory of Remote Sensing Information Science, Institute of Remote Sensing Applications, Chinese Academy of Sciences, P.O. Box 9718, Datun Road, Beijing 100101, China; Ocean Remote Sensing Institute, Ocean University of Qingdao, 5 Yushan Road, 2: CAS/CUHK Joint Laboratory for Geo-Information Science, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong

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