Download original image
Number of single echo detections (SED) by survey, weighted by survey length in km. Lakes are sorted by decreasing night-time SED: (A) upper depth layer; (B) lower depth layer. Solid line night-time results; dashed line day-time results.
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.