Open Access
Fig. 4
Download original image
Return levels of 
(MLEs, with 95% CIs shown as error bars), for return periods of (a) 100 years, (b) 200 years, and (c) 500 years with fitted smoothed splines (
in (5)). Panel (d) shows spline fits for a range of return periods.
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.