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The Surveyor’s Role in Monitoring,Mitigating,and Adapting to Climate Change
Surveyor’s Role Monitoring Mitigating Adapting to Climate Change
2016/1/22
This publication is the result of extensive debates, discussions, and presentations by the FIG Task Force on Surveyors and Climate Change over the past three years. The Task Force was established at F...
Mitigating horizontal divergence ‘‘checker-board’’ oscillations on unstructured triangular C-grids for nonlinear hydrostatic and nonhydrostatic flows
Unstructured mesh modeling Triangular C-grid Implicit (elliptic) and explicit filtering Horizontal divergence error Secondary circulation
2015/6/30
A complication of finite-volume triangular C-grid methods is the numerical emergence of horizontal divergence errors that lead to grid-scale oscillations in vertical velocity. Nonlinear feedback via a...
With its large-amplitude and short-duration pulses,atmospheric noise, produced by electrical discharges within clouds, dominates the low-frequency spectrum. Unless mitigated, this noise, which enters ...
Enabling LAAS Airport Surface Movement:Mitigating the Anomalous Ionospheric Threat
LAAS DCPS airport surface movement anomalous ionosphere
2015/6/25
The Local Area Augmentation System (LAAS) can be used for both precision approach and Differentially Corrected Positioning Service (DCPS) applications. Through its support of DCPS, the LAAS Ground Fac...
Containing a Difficult Target: Techniques for Mitigating DME Multipath to Alternative Position Navigation and Timing (APNT)
Containing Difficult Target Techniques Mitigating DME Multipath Alternative Position Navigation Timing (APNT)
2015/6/24
Distance measuring equipment (DME)/Tactical Air Navigation (TACAN) has been serving aviation for approximately 60 years. It has been a primary navigation aid in the national airspace (NAS) for much of...
Understanding and Mitigating Display and Presence Disparity in Mixed Presence Groupware
Understanding Mitigating Display Presence Disparity Mixed Presence Groupware
2014/3/12
Mixed Presence Groupware (MPG) supports both co-located and distributed participants working over a shared visual workspace. It does so by connecting multiple single-display groupware workspaces toget...