Downward continuation and tilt derivative of magnetic data for delineation of concealed coal fire in East Basuria Colliery, Jharia coal field, India
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Earth System Science"
DOI: 10.1007/s12040-017-0826-y
Abstract: The present study deals with the characterization of subsurface coal fires of East Basuria colliery in Jharia coal field, India using tilt derivative and downward continuation of magnetic data. Magnetic data processing methods such as… read more here.
Keywords: downward continuation; tilt derivative; magnetic data; coal fire ... See more keywords
Source parameters estimation by the normalized downward continuation of gravity gradient data
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2017.10.011
Abstract: Abstract Normalized downward continuation (NDC) method calculates the normalization on the analytical signal modulus of the downward continued field or the downward continuation of the potential field itself, which is used to obtain the edges… read more here.
Keywords: source parameters; normalized downward; downward continuation; continuation ... See more keywords
A stable gravity downward continuation for structural delineation in Sulu Sea region
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Geophysics"
DOI: 10.1016/j.jappgeo.2018.05.009
Abstract: Abstract We have presented a discrete equivalent source method to perform a stable gravity downward continuation for structural delineation in the Sulu Sea region. Our method automatically selects an effective small amount of the discrete… read more here.
Keywords: downward continuation; method; continuation; sulu sea ... See more keywords
The combination of the regularized operators for horizontal/vertical differentiation and downward continuation in potential fields interpretation
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DOI: 10.1016/j.jappgeo.2020.104188
Abstract: Abstract The differentiation operators (with respect to the Cartesian variables x, y and z) are part of several transformations of the potential fields. The resolution of these operators can be improved if the input filed… read more here.
Keywords: combination regularized; downward continuation; potential fields; differentiation ... See more keywords
A New Potential-Field Downward Continuation Iteration Method Based on Adaptive Filtering
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3105269
Abstract: Potential-field downward continuation is a crucial tool to process gravity and magnetic data, which is capable of effectively enhancing weak anomalies and identifying overlapped ones. However, available methods in this procedure do not include analysis… read more here.
Keywords: potential field; continuation; downward continuation; method ... See more keywords
On estimation of stopping criteria for iterative solutions of gravity downward continuation
Sign Up to like & getrecommendations! Published in 2018 at "Canadian Journal of Earth Sciences"
DOI: 10.1139/cjes-2017-0208
Abstract: This article discusses methods for selecting criteria used for stopping iterative regularization methods applied to solving continuation of gravity observed at or outside the Earth’s surface down to the geoid. This computational step is required… read more here.
Keywords: iterative methods; downward continuation; continuation; stopping criteria ... See more keywords