Browsing by Author "Pardyjak, Eric"

Now showing items 1-5 of 5

    • Countergradient heat flux observations during the evening transition period 

      Blay Carreras, Estel; Pardyjak, Eric; Pino González, David; Alexander, Daniel; Lohou, Fabienne; Lothon, Marie (2014-09-03)
      Article
      Open Access
      Gradient-based turbulence models generally assume that the buoyancy flux ceases to introduce heat into the surface layer of the atmospheric boundary layer in temporal consonance with the gradient of the local virtual ...

    • How do the surface energy fluxes change when a more realistic land cover is included in the WRF model? An evaluation using BLLAST data 

      Román-Gascón, C.; Lothon, Marie; Lohou, Fabienne; Hartogensis, Oscar; Vilà Guerau de Arellano, Jordi; Pino González, David; Yague, Carlos; Pardyjak, Eric (European Geosciences Union (EGU), 2021)
      Conference report
      Open Access
      Ideally, numerical weather prediction (NWP) and climate models should include a proper representation of the land surface to correctly simulate the surface energy fluxes and, ultimately, provide successful forecasts of ...

    • Lifted temperature minimum during the atmospheric evening transition 

      Blay-Carreras, Estel; Pardyjak, Eric; Pino González, David; Hoch, Sebastian; Cuxart Rodamillans, Joan; Martínez, Daniel; Reuder, Joachim (2015-06-29)
      Article
      Open Access
      Observations of lifted temperature minimum (LTM) profiles in the nocturnal boundary layer were first reported in 1932. It was defined by the existence of a temperature minimum some centimetres above the ground. During the ...

    • Studying the Boundary Layer Late Afternoon nd Sunset Turbulence (BLLAST) 

      Pino González, David; Lothon, Marie; Angevine, Wayne M.; Bange, Jens; Beare, R.J.; Beyrich, Frank; Canut, Guylaine; Couvreux, Fleur; Delbarre, Hervé; Gibert, Fabien; Jonker, Harm J. J.; Lenschow, Donald; Lohou, Fabienne; Mahrt, Larry; Pardyjak, Eric; Sorbjan, Zibgniew; Vilà-Guerau de Arellano, Jordi (2010)
      Conference lecture
      Open Access
      At the end of the afternoon, when the surface heat fluxes start to sharply decrease, the CBL turns from a convective well-mixed layer to an intermittently turbulent residual layer overlying a stably-stratified boundary ...

    • Surface representation impacts on turbulent heat fluxes in the weather research and forecasting (WRF) model (v.4.1.3) 

      Román-Gascón, C.; Lothon, Marie; Lohou, Fabienne; Hartogensis, Oscar; Vilà Guerau de Arellano, Jordi; Pino González, David; Yague, Carlos; Pardyjak, Eric (2021-06-29)
      Article
      Open Access
      The water and energy transfers at the interface between the Earth’s surface and the atmosphere should be correctly simulated in numerical weather and climate models. This implies the need for a realistic and accurate ...