Online Data Extraction Service : how to use it for ice studies

The way the radar wave of the altimeter is registered back by the radar onboard the satellite depends (among other things) on the fact the surface is e.g. iced or not. A "classification" of the radar echoes (a.k.a "waveforms") enable to sort those echoes depending on their shapes. Since the shape can be an indicator of the surface, this classification can be used to discriminate surfaces. The Barents and Kara seas are good areas to look at such things, since they have very different dynamics with respect to icing.

The new Aviso+ Service, Online Data Extraction Service, provides with Experimental Saral data (Peachi project). This is THE tool to go and select only the parameters you're interested in, where you wish to look at them.

The tutorial below shows you how to select and download the data over the Barents/Kara area with only the fields (plus longitude, latitude and time) which are relevant in this case.

The tutorial below shows you how to select and download the data over the Zapiola area with only the fields (plus longitude, latitude and time) which are relevant in this case.

From Fleury et al., (Toward) Sea-Ice Edges and Leads Detection In Arctic using SARAL/AltiKa, 2014. Examples of what the extraction shown above could lead to (left, waveform classification from the experimental Saral dataset).

Access Online Data Extraction Service
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