IGCP 565 Workshop 3: Separating Hydrological and Tectonic Signals in Geodetic Observations Reno, Nevada, October 11-13, 2010

P2: Transient tectonic and hydrological signals

Co-chairs: Matthew Rodell (NASA), Jessica Murray (USGS)

In this session presentations will describe the nature and characteristics of transient signals caused by tectonic and hydrologic processes that may be recorded with geodetic techniques. The goal is to provide an overview of the variety of such signals and the settings in which they occur, as well as the similarities among tectonic and hydrologic signals and features that may be used to distinguish among them. Considering typical time scales captured by highly accurate geodetic techniques, the term transient encompasses any signal with significant non-linear components on time scales from sub-daily to decades. Tectonic examples include aseismic fault slip events, postseismic motion, and volcanic deformation. Hydrologic transient signals include the effects of natural seasonal to interannual variability in the water cycle.