MATLAB scripts associated with Hsu, L.; Finnegan, N. J. & Brodsky, E. E. (2011), A seismic signature of river bedload transport during storm events, Geophys. Res. Lett. 38(13), L13407
Scripts to analyze data from broadband seismometers to get hourly seismic wave amplitude.
See http://www.mathworks.com/help/signal/ref/hilbert.html for description of Hilbert function, used in env.m.