NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 20 of 44 for “"Planetary Boundary Layer"”.

  1. Halogen Oxides in the Mid-Latitudinal Planetary Boundary Layer

    Hebestreit, KaiUniversität Heidelberg

    Die Bedeutung reaktiver Halogenverbindungen (RHS) in der Troposphäre ist durch plötzlich auftretende, sehr schnell ablaufende Ozoneinbrüche während des polaren Sonnenaufgangs dokumentiert. Ob RHS jedoch auch in mittleren Breiten signifikante Auswirkungen auf die Chemie der Troposphäre haben, war …

    heid-diss Repository record

  2. Deep convection occurring above a stable planetary boundary layer

    Colman, Bradley RoyMassachusetts Institute of Technology1984

    … of Technology, Dept. of Earth, Atmospheric and Planetary Sciences, 1984.

    mit Repository record

  3. A phenomenological model of the unstable planetary boundary layer

    Heinold, David WilliamMassachusetts Institute of Technology1978

    Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1978.

    mit Repository record

  4. A higher order closure turbulence model of the planetary boundary layer

    Scire, Joseph StephenMassachusetts Institute of Technology1979

    Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1979.

    mit Repository record

  5. Vertical Profiles of NO 2 and HONO in the Planetary Boundary Layer

    Veitel, HansjörgUniversität Heidelberg

    Within this dissertation, a commercial active Long Path Differential Optical Absorption Spectroscopy (LP-DOAS) instrument has been advanced to fully operational status and its optical and mechanical parameters were characterised. This system was used for long-term measurements (13 months) of …

    heid-diss Repository record

  6. Fair-weather electric charge transfer by convection in an unstable planetary boundary layer.

    Willett, John ClarkMassachusetts Institute of Technology1976

    Thesis. 1976. Ph.D.--Massachusetts Institute of Technology. Dept. of Meteorology.

    mit Repository record

  7. An empirical study of the planetary boundary layer in the vicinity of the intertropical convergence zone.

    Janota, PaulMassachusetts Institute of Technology1972

    Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Meteorology, 1972.

    mit Repository record

  8. Investigation of a two-dimensional theory to predict ascending motion at the top of the planetary boundary layer in the tropics

    Sousounis, Peter JohnMassachusetts Institute of Technology1987

    … of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1987.

    mit Repository record

  9. A new stochastic model of turbulent dispersion in the convective planetary boundary layer and the results of the Atterbury-87 field study

    Liljegren, James ChristianUniversity of Illinois at Urbana-Champaign2011

    … dispersion of a passive tracer in the convective boundary layer are presented. The methods and procedures employed and the results obtained from the Atterbury-87 field study of the dispersion of fog-oil smoke and hexachloroethane (HC) smoke are also described.

    uiuc Repository record

  10. Numerical Model Simulation of Offshore Flow During the Winter Season

    Piccolo, Maria Cintia2019

    … a simple two dimensional numerical model of the planetary boundary layer.</p> <p>The model has two predictive equations for the potential temperature and humidity fields. A diagnostic equation based upon observed data is used to determine wind velocities. At each horizontal step the wind was …

    odu Repository record

  11. Application of the Weather Research and Forecasting (WRF) Model to Simulate a Squall Line: Implications of Choosing Parameterization Scheme Combinations and Model Initialization Data Sets

    Gaines, Mitchell

    … (Kain-Fritsch and Bets-Miller-Janjic) and planetary boundary layer schemes (Yonsei-University and Mellor-Yamada-Janjic). A total of 12 WRF simulations were conducted for all potential scheme combinations. Data from the WRF simulations for several locations in south central Kentucky were …

    wku-diss Repository record

  12. Modeling nighttime chemistry with WRF/chem: sensitivity to vertical resolution and boundary layer parameterization

    Gacek, ZanetaUniversity of Illinois at Urbana-Champaign2014

    … phase and aerosol phase species in the nocturnal boundary layer. Resolving these profiles adequately is a prerequisite for a good representation of nighttime chemistry and poses an important modeling challenge. In this work we explore the sensitivity of the model results for N2O5 and aerosol …

    uiuc Repository record

  13. Radiative Transfer in the Martian Environment: In-Situ Results from the MSL Curiosity Rover and Laboratory Experimentation on Martian Regolith and Crystalline Rock Analogs

    Moore, Casey Aaron2019

    Global circulation models predicted a suppressed planetary boundary layer within Gale Crater prior to the landing of the Mars Science Laboratory. Images from Mars allow the amount of suspended dust near the crater floor to be estimated numerically. The atmosphere within the crater is shown to be …

    york Repository record

  14. A Self-Sustaining, Boundary-Layer-Adapted System for Terrain Exploration and Environmental Sampling

    Morrow, Michael ThomasVirginia Tech2005

    … is self-sustaining, extracting energy from the planetary boundary layer. A nine degree of freedom vehicle dynamic model has been developed for the buoyancydriven glider. This model was used to illustrate anecdotal evidence of the stability and controllability of the system. A representative …

    vt Repository record

  15. Modeling the effect of the energy crisis on air quality in the Po Valley, Italy.

    Manuel Bettineschi 1997-2023

    … we observed a model’s bias correlated to the planetary boundary layer height, which could have influenced this result. Further investigation is necessary to correct this bias and comprehensively understand the relationship between energy consumption, air quality, and meteorology in the Po …

    ag-u-iceland Repository record

  16. ASSESSING PERFORMANCE OF NCEP RAPID REFRESH MODEL TO PREDICT BOUNDARY LAYER PROPERTIES

    Daniel, David2016

    … be able to estimate the relative humidity in the Planetary Boundary Layer (PBL) since relative humidity can affect aerosol retrieval. Satellite retrievals of Relative Humidity are extremely complicated since they need to resolve 1km vertical resolution for temperature and water vapor. The AIRS …

    cuny Repository record

  17. Astronomical seeing conditions as determined by turbulence modelling and optical measurement

    University of Pretoria2012

    … seeing conditions. Atmospheric turbulence in the planetary boundary layer (PBL) contributes significantly to the degradation of optical seeing quality. To evaluate astronomical seeing conditions at a site, a two-sided approach is considered – on the one hand, the use of a turbulence-resolving …

    pretoria Repository record

  18. Mesoscale wind atlas of South Africa

    Hagemann, KilianDepartment of Environmental and Geographical Science2008

    … the modelâs sensitivity towards different boundary layer and cwnulus parametrisations as well as observational and grid nudging is investigated in depth. New error metrics are specifically designed and applied based on 17 reliable lOni weather stations around the country with the specific …

    cape-town Repository record

  19. Mesoscale Wind Atlas of South Africa

    Hagemann, KilianDepartment of Environmental and Geographical Science2008

    … the model's sensitivity towards different boundary layer and cwnulus parametrisations as well as observational and grid nudging is investigated in depth. New error metrics are specifically designed and applied based on 17 reliable lOni weather stations around the country with the specific …

    cape-town Repository record

  20. The trend of wind speed over the United States during 1998 - 2011

    Feng, Tao, S.M. Massachusetts Institute of TechnologyMassachusetts Institute of Technology2017

    … the elevation of the stations. The height of the planetary boundary layer (PBL) is estimated using three different methods. For non-elevated sites, a decreasing trend is seldom found for wind above the PBL, suggesting an important role for the land surface in determining the trend of wind speed. …

    mit Repository record

Page 1 of 3