Geo4i company, specialized in geospatial analysis, is using coherence map to highlight interest activities.

Coherence map is a derived product from radar imagery showing all changes between two radar images in interferometric condition.

This kind of product can be very useful to monitor activities around places of interest.

In this context, a study on refugee camps along the Jordan / Syria border, Handalat and Rukban camps, have been realized with Sentinel-1 radar imagery within the period of April and May 2016.

This monitoring shows a lot of activities around the two camps but reveals that Jordan seems to prefer Rukban camp as entry point into the country.

Rukban

Indeed, the crossing activity at the border is more important at Rukban camp than Handalat camp during the study period.

handalat

This article is also published in EO mag

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