Journal ArticleDOI
Trajectory optimization for balloon flight planning
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TLDR
In this paper, the authors used a transpacific balloon flight as a test case to evaluate multiple trajectory techniques to select different pathways based upon potential variations in balloon altitudes, which can be used to select optimum flight altitudes based upon forecast meteorological fields.Abstract:
The recent solo transpacific balloon flight was used as a test case to evaluate multiple trajectory techniques to select different pathways based upon potential variations in balloon altitudes. Altitude changes between 3 and 8 km above ground resulted in predicted ending locations varying from the Hawaiian Islands to the Atlantic coast, after five days' travel. The method can be used to select optimum flight altitudes based upon forecast meteorological fields.read more
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An Overview of the HYSPLIT_4 Modelling System for Trajectories, Dispersion, and Deposition
TL;DR: The HYSPLIT_4 (HYbrid Single-Particle Lagrangian Integrated Trajectory) model is designed for quick response to atmospheric emergencies, diagnostic case studies, or climatological analyses using previously gridded meteorological data.
Real-time Environmental Applications and Display sYstem (READY) Website
TL;DR: The Real-time Environmental Applications and Display sYstem (READY) as discussed by the authors has been under continuous development since 1997 to provide access to a suite of tools for producing air parcel trajectory and dispersion model results and displaying meteorological data.
Journal ArticleDOI
Real-time Environmental Applications and Display sYstem: READY
TL;DR: Read as discussed by the authors is a web-based suite of tools for producing air parcel trajectory and dispersion model results and displaying meteorological data, and it provides a "quasi-operational" portal to run the HYSPLIT atmospheric transport/dispersion model and interpret its results.
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Computation, accuracy and applications of trajectories—A review and bibliography
TL;DR: In this article, the authors summarized the current knowledge on the calculation and application of trajectories and their different techniques that can be used to compute trajectories, and their error sources are described.
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Accuracy of trajectories as determined from the conservation of meteorological tracers
Andreas Stohl,Petra Seibert +1 more
TL;DR: In this paper, three-dimensional, isentropic, isobaric and isoeta trajectories are calculated using a tracer that is conserved along the real 3D trajectories.
References
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Journal ArticleDOI
The Accuracy of Trajectories during ANATEX Calculated Using Dynamic Model Analyses Versus Rawinsonde Observations
TL;DR: The Across North America Experiment (ANATEX) provided 30 separate trials to evaluate the error of back-trajectory calculations using dynamic-model-output meteorological data from the NOAA prognostic Nested grid model (NGM) and from comparable gridded meteorological fields from 4-day or 2-day rawinsonde observations.
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Meteorological Support to the Earthwinds Transglobal Balloon Project
TL;DR: The Earthwinds transglobal ballooning project is an attempt to complete the first nonstop global circumnavigation flight by a lighter-than-air craft, with launch from Stead airfield in Reno.