The following contribution addresses some of the problems involved with the determination of long-term gravity field variations from GRACE satellite observations. First of all the choice of the time span plays a very important role, especially since it generally is a hard task to derive secular trends from only a few years of satellite data. Another issue, when one is interested in a single trend phenomenon, is the reduction of all other geophysical effects causing long-term gravity field variations. This paper uses the example of trends in continental hydrological water masses for the case of the High Plains aquifer to demonstrate some of the challenges implicated by trend analysis from GRACE. © Springer-Verlag Berlin Heidelberg 2012.
CITATION STYLE
Eicker, A., Mayer-Guerr, T., & Kurtenbach, E. (2012). Challenges in deriving trends from GRACE. In International Association of Geodesy Symposia (Vol. 136, pp. 153–160). https://doi.org/10.1007/978-3-642-20338-1_19
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