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An Investigation Into Impacts of Microphysics Parameterization Schemes on Radiation Fog Within a Large Eddy Simulation Framework, to Small Unmanned Aircraft System Operations.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	An Investigation Into Impacts of Microphysics Parameterization Schemes on Radiation Fog Within a Large Eddy Simulation Framework, to Small Unmanned Aircraft System Operations./
Author:	Gufford, Joseph Lafayette, IV.
Description:	1 online resource (127 pages)
Notes:	Source: Masters Abstracts International, Volume: 84-12.
Contained By:	Masters Abstracts International84-12.
Subject:	Atmospheric sciences. -
Online resource:	click for full text (PQDT)
ISBN:	9798379692346

An Investigation Into Impacts of Microphysics Parameterization Schemes on Radiation Fog Within a Large Eddy Simulation Framework, to Small Unmanned Aircraft System Operations.
Gufford, Joseph Lafayette, IV.

An Investigation Into Impacts of Microphysics Parameterization Schemes on Radiation Fog Within a Large Eddy Simulation Framework, to Small Unmanned Aircraft System Operations. - 1 online resource (127 pages)

Source: Masters Abstracts International, Volume: 84-12.

Thesis (M.S.)--The University of North Dakota, 2023.

Includes bibliographical references

Fog is a threat to the operations of small unmanned aerial systems (sUAS). Improved fog forecasting will allow for more timely dissemination of warnings, allowing operators to maximize operational time and to minimize flight cancellations. The impacts of grid spacing and microphysical parameterization were examined to study their influences on fog formation in the Weather Research and Forecasting numerical weather prediction model. An ensemble of forecasts was produced, wherein varying grid spacings (1 km and 0.333 m) were permuted with different microphysics schemes (single and double moment) for two different fog events. It was found that sub-kilometer grid spacing improved the simulated fog formation and dissipation times for one fog event, but did not for the other event. Microphysical schemes had a varying impact across model runs, where its influence was mainly felt in the dissipation time of the fog events. Future avenues for improving fog forecasts are discussed.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798379692346Subjects--Topical Terms:

1179392
Atmospheric sciences.
Subjects--Index Terms:

Weather researchIndex Terms--Genre/Form:

554714
Electronic books.

An Investigation Into Impacts of Microphysics Parameterization Schemes on Radiation Fog Within a Large Eddy Simulation Framework, to Small Unmanned Aircraft System Operations.
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520 $a Fog is a threat to the operations of small unmanned aerial systems (sUAS). Improved fog forecasting will allow for more timely dissemination of warnings, allowing operators to maximize operational time and to minimize flight cancellations. The impacts of grid spacing and microphysical parameterization were examined to study their influences on fog formation in the Weather Research and Forecasting numerical weather prediction model. An ensemble of forecasts was produced, wherein varying grid spacings (1 km and 0.333 m) were permuted with different microphysics schemes (single and double moment) for two different fog events. It was found that sub-kilometer grid spacing improved the simulated fog formation and dissipation times for one fog event, but did not for the other event. Microphysical schemes had a varying impact across model runs, where its influence was mainly felt in the dissipation time of the fog events. Future avenues for improving fog forecasts are discussed.
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