3 edition of Relationships between aerodynamic roughness and land use and land cover in Baltimore, Maryland found in the catalog.
Relationships between aerodynamic roughness and land use and land cover in Baltimore, Maryland
Francis W. Nicholas
Bibliography: p. 34-36.
|Statement||by Francis W. Nicholas and John E. Lewis, Jr.|
|Series||The Influences of land use and land cover in climate analysis, Geological Survey professional paper ;, 1099-C|
|Contributions||Lewis, John E., 1937-|
|LC Classifications||QC981.7.U7 N53|
|The Physical Object|
|Pagination||iv, 36 p. :|
|Number of Pages||36|
|LC Control Number||79607040|
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Contact, chat, social media. About. Organization, jobs, budget.  Land surface roughness can be characterized by the aerodynamic roughness length z 0 which is defined as the height above a surface at which the wind profile is assumed to be zero. Land surface roughness is a key factor in mineral dust emission process. It affects both the quantity of potentially eroded material and the minimum wind speed.
where f d and f 0 are empirical coefficients derived from observation. Garratt () finds f d ∼ and f 0 ∼ to be good overall mean values for land surfaces. Raupach et al. () note that surveys of measured coefficients give f d ∼ and f 0 ∼ for field crops and grass canopies and f d ∼ and f 0 ∼ for forests. In their survey of urban dispersion Cited by: Numerical And Physical Aspects Of Aerodynamic Flows. Welcome,you are looking at books for reading, the Numerical And Physical Aspects Of Aerodynamic Flows, you will able to read or download in Pdf or ePub books and notice some of author may have lock the live reading for some of ore it need a FREE signup process to obtain the book.
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Relationships Between Aerodynamic Roughness and Land Use and Land Cover in Baltimore, Maryland By FRANCIS W. NICHOLAS and JOHN E. LEWIS, JR. THE INFLUENCES OF LAND USE AND LAND COVER IN CLIMATE ANALYSIS GEOLOGICAL SURVEY PROFESSIONAL PAPER C An example of environmental analysis using land use and land cover informationCited by: 5.
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Relationships Between Aerodynamic Roughness Relationships between aerodynamic roughness and land use and land cover in Baltimore Land Use and Land Cover in Baltimore, Maryland. Get this from a library. Relationships between aerodynamic roughness and land use and land cover in Baltimore, Maryland.
[Francis W Nicholas; John E Lewis; Geological Survey (U.S.),]. Using an empirical method designed by Lettau, and an analysis of variance of surface roughness values calculated for samples averaging hectare (ha) of land use and land cover sample in Baltimore, Md., a strong statistical relation was found between aerodynamic roughness and urban land use and land cover types.
RELATIONSHIPS BETWEEN AERODYNAMIC ROUGHNESS AND LAND USE AND LAND COVER IN BALTIMORE, MARYLAND: GEOLOGICAL SURVEY PROFESSIONAL PAPER C. Washington, DC: Receiving stamp and corner crease on the front cover. A very good plus copy.
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of land use and land cover sample in Baltimore, Md., a. Abstract. Experimental evidence indicates that there is a significant departure of the wind profile above the underlying surface consisting of patches of solid and liquid parts, and plant communities with different morphological from that predicted by the logarithmic relationship.
Relationships between aerodynamic roughness and land use and land cover in Baltimore, Maryland PDF By:Francis W. Nicholas,John E. Lewis Published on by. This Book was ranked at 3 by Google Books for keyword Land Use. Book ID of Relationships between aerodynamic roughness and land use and land cover in Baltimore, Maryland's Books is Eac_AAAAIAAJ, Book which was.
The object of this paper is to generalize the calculation of the exchange of momentum between the atmosphere and a very heterogeneous surface, find a general equation for the wind speed profile in a roughness sublayer under neutral conditions, and, then, derive aggregated roughness length and displacement height over the grid by: 8.
"Vegetation cover, rather than topography, represents the most efficient roughness structure" (Kung,p. 49). Roughness (2") of an ecosystem for momentum is determined by measuring wind speeds at two or more heights (2) above an extensive uniform surface and graphically relating them to the term ln(z/zo) to derive zo.
Relationships Between Aerodynamic Roughness and Land Use and Land Cover in Baltimore, Maryland Nicholas FW et al. Published: ; Bookseller: Anybook Ltd; US Gov., This is an ex-library book and may have the usual library/used-book markings book has soft covers.
In fair condition, suitable as a study copy. Nicholas, F. and Lewis, Jr., J. E.:‘Relationships Between Aerodynamic Roughness and Landuse and Land Cover in Baltimore, Maryland’, Geol. Survey Prof Cited by: 6. Nicholas and John E. Lewis, Jr., concentrates on the relationship between land use and land cover and aerodynamic roughness, an essential input to climate simulation modeling.
This study carefully describes the influ ence of various land use types on the turbulent transfer of energy to the by: 8. Browse all of the USGS publications warehouse by following a link tree. Skip to main content. An official website of the United States government Relationships between aerodynamic roughness and land use and land cover in Baltimore, Maryland,Professional Paper C.
Table I. CAMx  land-use categories and the default surface roughness length values z 0 displacement height d and leaf area index LAI [26, 27] used for calculating t he α parameter according. Relationship between aerodynamic roughness length and bulk sedge leaf area index in a mixed-species boreal mire complex P.
Alekseychik1, A. Korrensalo 2, I. Mammarella1, T. Vesala1,3, and E.-S. Tuittila 1Department of Physics, University of Helsinki, Helsinki, Finland, 2School of Forest Sciences, University of Eastern Finland, Joensuu, Finland, 3Department of Forest Sciences, University of.
After an overview of the key concepts and history of land-use and land-cover mapping, the book discusses the relationship between land cover and land use and addresses the land-cover classification system. It then presents state-of-the-art methods and techniques in data acquisition, preprocessing, image interpretation, and accuracy assessment.
dynamic roughness length (z 0), an index of aerodynamic turbulence, is associated with the exchange of momentum, energy, and trace gases between the biosphere and atmo-sphere. The alteration in α and z0 induced by land cover change significantly affects local and regional climates.
Previous climate model studies on the impacts of deforesta.The surface aerodynamic roughness, z 0, is an important parameter, not only for simulating wind profile, but is also essential in calculations for water vapor, heat and other scalar fluxes over land surface (Brutsaert, ); these, in turn, are important for local, regional and global climate simulations (Zhang et al., ) and for quantifying the dispersion of air pollutants (Roberts et al Cited by: Adebayo, Y.
R. 'Heat island' in a humid tropical city and its relationship with potential evaporation. Theoret. and App. Climatol Anderson.