@article{boning_pattern-filtering_2008,
	title = {A pattern-filtering method for the determination of ocean bottom pressure anomalies from {GRACE} solutions},
	volume = {35},
	rights = {Copyright 2008 by the American Geophysical Union.},
	issn = {1944-8007},
	url = {http://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2008GL034974},
	doi = {10.1029/2008GL034974},
	abstract = {Comparison of mass anomalies from the Gravity Recovery and Climate Experiment ({GRACE}) to in-situ ocean bottom pressure ({OBP}) data is complicated by the fact that {GRACE} estimates are representative for phenomena with scales of hundreds of km, while {OBP} measurements are pointwise by nature. Simulations with the Finite Element Sea-ice Ocean Model ({FESOM}) indicate that on a monthly time scale {OBP} anomalies are coherent over large areas of complex geometry. A new filtering method for {GRACE}-derived ocean mass anomalies is obtained by applying these coherence patterns on a regular grid. Time series from {OBP} recorders all over the world ocean are used for validation. Compared to Gaussian filtering, the pattern-filtering method improves the correlation between {GRACE} retrievals and in-situ {OBP} data (max. correlation now 0.87). Land leakage effects are eliminated almost completely. Finer scales can be resolved such that highly variable currents like the Gulf Stream can now be identified.},
	number = {18},
	journaltitle = {Geophysical Research Letters},
	author = {Böning, C. and Timmermann, R. and Macrander, A. and Schröter, J.},
	urldate = {2020-01-27},
	date = {2008},
	langid = {english},
	note = {Number: 18},
	keywords = {{GRACE}, ocean bottom pressure, finite-element ice-ocean modeling}
}

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