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The topographic bias by analytical continuation in physical geodesy
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L E Sjoberg, Sjoberg L E
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On the topographic bias by analytical continuation in geoid determination
We consider the topographic bias in gravimetric geoid determination when analytically downward continuing the disturbing potential from the Earth’s surface to sea level.
Lars E Sjoberg, Sjoberg Lars E
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Noncriterial behavioral variability and related topographic bias in humans
European Journal of Behavior Analysis, 2020All operant behaviors have multiple characteristics in addition to those criterial for reinforcement, and variation occurs across all.
Laurilyn D Jones, Francis Mechner
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On the topographic bias in geoid determination by the external gravity field
Journal of Geodesy, 2009The topographic bias is defined as the error/bias committed by continuing the external gravity field inside the topographic masses by a harmonic function. We study the topographic bias given by a digital terrain model defined by a spherical template, and we show that the topographic bias is given only by the potential of an inner-zone cap, and it ...
Lars E Sjoberg, Sjoberg Lars E
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Bias in topographic thresholds for gully heads
Natural Hazards, 2015The topographic threshold for overland flow gully head represents a promising tool for both research development and users. Nevertheless, some of the basic assumptions that were used to derive the threshold equation are also at the base for errors, including systematic ones, which introduce bias in the evaluations. Particularly, the assumption that the
Mauro Rossi, D Torri
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Effect of topographic bias on geoid and reference ellipsoid of Venus, Mars, and the Moon
Celestial Mechanics and Dynamical Astronomy, 2013Since the continuation of an external gravity field inside topographic masses by a harmonic function results in topographic bias, geoid computation by means of global gravity models (GGMs) in terms of external-type series of spherical harmonics, at locations where the GGMs are evaluated inside the topographic masses, will be biased.
Alireza A Ardalan, Ardalan A A
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Topographic Bias in Mesoscale Precipitation Networks
Journal of Climate, 1996Abstract In most weather station networks there are proportionately too few stations at high elevation, and areal estimates of climatological quantities that vary with elevation are biased. Two-dimensional interpolation between stations cannot remove this bias.
Peter R Briggs, J Graham Cogley
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ISPRS Journal of Photogrammetry and Remote Sensing, 2015
Abstract As the need for efficient methods to accurately update and refine geospatial satellite image databases is increasing, we have proposed the use of 3-dimensional digital maps for the fully-automated RPCs bias compensation of high resolution satellite imagery. The basic idea is that the map features are scaled and aligned to the image features,
Jaehong Oh, Changno Lee
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Abstract As the need for efficient methods to accurately update and refine geospatial satellite image databases is increasing, we have proposed the use of 3-dimensional digital maps for the fully-automated RPCs bias compensation of high resolution satellite imagery. The basic idea is that the map features are scaled and aligned to the image features,
Jaehong Oh, Changno Lee
exaly +2 more sources

