An assessment of a coastal altimetry data product in the Indonesian Waters

We analyzed the percentage of valid coastal altimetry Jason-2 X-TRACK-SLA data by Center for Topographic Studies in Sea and Hydrosphere (CTOH) and the waveforms from the Sensor Geophysical Data Record (SDGR) that are distributed by NOAA National Ocean Data Center around the Indonesian waters. In gen...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2018-07, Vol.176 (1), p.12034
Main Authors: Lumban-Gaol, Jonson, Adrian, Danu, Vignudelli, Stefano, Leben, Robert. R., Wayan Nurjaya, I, Osawa, Takahiro, Manurung, Parluhutan, Arhatin, Risti Endriani
Format: Article
Language:English
Subjects:
Altimetry
Coastal waters
Coasts
Data centers
Hydrosphere
Monsoons
Seasonal variations
Shorelines
Waveforms
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Summary:We analyzed the percentage of valid coastal altimetry Jason-2 X-TRACK-SLA data by Center for Topographic Studies in Sea and Hydrosphere (CTOH) and the waveforms from the Sensor Geophysical Data Record (SDGR) that are distributed by NOAA National Ocean Data Center around the Indonesian waters. In general, the percentage of valid data after the first point of the shoreline is greater than 90%. The percentage of valid data in steeper waters (86%) is higher than sloping waters (34%). The waveform types formed in coastal waters are peaky and Brown. However, spatially there is a difference where in a steep coast at a distance of > 5 km from the coastline the type of waveform is identified Brown, while on the sloping coast the brown type is found at a distance > 10 km. The SLA time series indicate seasonal variations in which the SLA is negative during the Southeast Monsoon (May-October) and positive during Northwest Monsoon (November-April).
ISSN:1755-1307
1755-1315
1755-1315
DOI:10.1088/1755-1315/176/1/012034