Measures of intermittency. HallgrenWillow Bhaskar GunturuUdaya SchlosserAdam 2014 <p>(a) The unavailability of WPD at 50 m (fraction of time), (b) the change in the unavailability from 50 m to 80 m, (c) the mean episode length at 50 m (hours) (d) the change in the mean episode length from 50 m to 80 m.</p>