A method for tracking individual planetary waves in remotely sensed data
Cipollini, P., Challenor, P.G. and Colombo, S. (2006) A method for tracking individual planetary waves in remotely sensed data. IEEE Transactions on Geoscience and Remote Sensing, 44, (1), 159-166. (doi:10.1109/TGRS.2005.859355)
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Official URL: http://dx.doi.org/10.1109/TGRS.2005.859355
Description/Abstract
We describe a methodology for tracking individual planetary waves in longitude-time plots of satellite data, based on fitting an elementary wave shape model to subsets of the data by maximum likelihood, then reconstructing the trajectory and evolution of every single wave (where for ‘single wave’ we mean an individual positive or negative westward propagating anomaly) by joining the elementary waves according to their similarity. We then illustrate the potential of the methodology with an example at 34°N in the Atlantic Ocean, and its adaptability to different cases with a second example on eastward-propagating Kelvin waves in the equatorial Pacific. Although the examples given use sea surface height anomaly data, the technique lends itself to be applied to any space-time plot of any dataset displaying propagation, and in particular to sea surface temperature data.
| Item Type: | Article |
|---|---|
| Additional Information: | This work was funded by the Energy, Environment and Sustainable Development EU Project SOFT (Satellite-based Ocean ForecasTing) - contract number EVK3-CT-2000-00028 |
| ISSN: | 0196-2892 (print) |
| Uncontrolled Keywords: | Satellite-Based Ocean Forecasting, SOFT, planetary waves, ocean eddies, westward-propagating features, kelvin waves, satellite altimetry, TOPEX/POSEIDON, feature tracking |
| Related URLs: | http://dx.doi.org/10.1109/TGRS...005.859355 |
| Subjects: | G Geography. Anthropology. Recreation > GE Environmental Sciences G Geography. Anthropology. Recreation > GC Oceanography |
| Divisions: | University Structure - Pre August 2011 > National Oceanography Centre (NERC) |
| ePrint ID: | 15759 |
| Deposited On: | 27 May 2005 |
| Last Modified: | 01 Jun 2011 07:07 |
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