GRACE Signal Filtering as a Means of Determining Equivalent Water Thickness in Poland
Journal Title: Papers on Global Change IGBP - Year 2012, Vol 19, Issue 19
Abstract
In the paper an Equivalent Water Thickness (EWT) determination as a way of observing gravity variations is described. Since raw data acquired directly from Gravity Recovery and Climate Experiment – GRACE satellites is unsuitable for analysis due to stripes occurrence, a filtering algorithm must be used. In this paper, authors are testing two isotropic (Gauss, CNES/GRGS) filters and two anisotropic filters (Wiener- -Kolomogorov, ANS). Correlation, amplitude ratio, and modification were determined as well as maps were generated.
Authors and Affiliations
Monika Biryło, Jolanta Nastula
Keywords
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- EP ID EP165320
- DOI 10.2478/v10190-012-0002-9
- Views 187
- Downloads 0
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