Search for dissertations about: "Boundary-Layer Meteorology"

Showing result 1 - 5 of 44 swedish dissertations containing the words Boundary-Layer Meteorology.

  1. 1. Boundary Layer Parametrization in Numerical Weather Prediction Models

    University dissertation from Stockholm : Department of Meteorology, Stockholm University

    Author : Jacob Svensson; Gunilla Svensson; Michael Tjernström; Patrick Samuelsson; [2015]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Boundary-Layer Meteorology; Numerical Weather Prediction; Turbulence parametrization; COAMPS; IFS; meteorologi; Meteorology;

    Abstract : Numerical weather prediction (NWP) and climate models have shown to have a challenge to correctly simulate stable boundary layers and diurnal cycles. This aim of this study is to evaluate, describe and give suggestions for improvements of the descriptions of stable boundary layers in operational NWP models. Two papers are included. READ MORE

  2. 2. Fluxes and Mixing Processes in the Marine Atmospheric Boundary Layer

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Erik Olof Nilsson; Anna Rutgersson; Harm Jonker; [2013]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Waves; Growing sea; Swell; Marine boundary layer; Air-sea interaction; Mixing; Momentum flux; Wind stress; Flux attenuation; Sensor separation; Large eddy simulation; Multiresolution analysis; Coupling; Wave model; Climate model; Wave age; Meteorology; Meteorologi;

    Abstract : Atmospheric models are strongly dependent on the turbulent exchange of momentum, sensible heat and moisture (latent heat) at the surface. Oceans cover about 70% of the Earth’s surface and understanding the processes that control air-sea exchange is of great importance in order to predict weather and climate. READ MORE

  3. 3. On the Arctic Boundary Layer From Turbulence to Climate

    University dissertation from Stockholm : Meteorologiska institutionen (MISU)

    Author : Thorsten Mauritsen; Gunilla Svensson; Joao Teixeira; [2007]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Atmospheric boundary layers; Turbulence; Stable stratification; Gravity waves; Mesoscale motion; Arctic climate; NATURAL SCIENCES Earth sciences Atmosphere and hydrosphere sciences Meteorology; NATURVETENSKAP Geovetenskap Atmosfärs- och hydrosfärsvetenskap Meteorologi; atmosfärvetenskap; Atmospheric Sciences;

    Abstract : The boundary layer is the part of the atmosphere that is in direct contact with the ground via turbulent motion. At mid-latitudes the boundary layer is usually one or a few kilometers deep, while in the Arctic it is much more shallow, typically a few hundred meters or less. READ MORE

  4. 4. Processes important for forecasting of clouds over snow

    University dissertation from Stockholm : Department of Meteorology, Stockholm University

    Author : Martin Hagman; Gunilla Svensson; Victoria Sinclair; [2020]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Boundary-layer meteorology; WRF; Initialization; Stratocumulus clouds; Parameterization; Stable boundary layer; Single Column Model; meteorologi; Meteorology;

    Abstract : The Swedish Armed Forces setup of the Weather Research and Forecasting Model (WRF) has problems to forecast low clouds in stably stratified conditions when the ground is covered by snow. The aim of this thesis is to understand what causes this deficit. READ MORE

  5. 5. The Arctic sulfur aerosol : influences of transport and boundary layer processes

    University dissertation from Stockholm : Stockholms universitet

    Author : Douglas Nilsson; Michael Tjernström; [1997]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Earth sciences Atmosphere and hydrosphere sciences Meteorology; NATURVETENSKAP Geovetenskap Atmosfärs- och hydrosfärsvetenskap Meteorologi; meteorologi; Meteorology;

    Abstract : .... READ MORE