Groenekennis

Informatie voor professionals in voedsel en groen

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    Groenekennis - Informatie voor professionals in voedsel en groen

    Groenekennis bevat artikelen uit vaktijdschriften, rapporten, video’s, presentaties, posters en websites op het gebied van landbouw, visserij, groene ruimte en voeding. Groenekennis wordt dagelijks bijgewerkt en bevat ongeveer 500.000 bronnen.

    Groenekennis is de globale view over diverse deelbestanden. Groenekennis is gevuld met alle informatie uit Groen Kennisnet, de Hydrotheek, Tuinpad, IB archief, ARTIK, bioKennis, Kennisbank Plantaardige bronnen, Kennisbank Zeldzame landbouwhuisdieren en afgesloten documentatiebestanden zoals Land Bodem Water en Consumenten- en huishoudstudies.

    Groen Kennisnet is een zeer belangrijk onderdeel van Groenekennis. De doelstelling van Groen Kennisnet is kennis delen op het gebied van Voedsel en Groen te bevorderen en te faciliteren voor een breed publiek.

    Bronnen in Groenekennis kunnen direct opgevraagd worden via een geavanceerde zoekmachine met een 'google-achtige' interface. Met filters kan ingezoomd worden op diverse aspecten, zoals Trefwoord, Collectie, Jaar en Auteur. Bovendien biedt Groenekennis gebruikers de mogelijkheid om via de E-mail geattendeerd te worden op aanvullingen in specifieke vakgebieden.
    De Tijdschriftenlijst biedt een overzicht van tijdschriften waaruit de artikelen voor Groenekennis worden geselecteerd. Door te klikken op een titel krijgt u alle artikelen uit dat tijdschrift in de Groenekennis database getoond.
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    Groenekennis is onderdeel van het bibliotheeksysteem van WUR. Praktijkgerichte publicaties en rapporten van WUR komen daardoor automatisch beschikbaar. Daarnaast wordt de database doorlopend gevuld met voor het groen onderwijs bruikbare bronnen en artikelen, video’s en websites. Het percentage online is de laatste jaren gegroeid tot tweederde van de totale aanwas per jaar. Dit percentage groeit nog steeds.

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Fluxes over a heterogeneous land surface: results and perspectives of the LITFASS program \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Beyrich, F. \ Richter, S.H. \ Weisensee, U. \ Herzog, H.J. \ Bruin, H.A.R. de \ Meijninger, W.M.L. \ 2002
From 1995 till 2001, the German Meteorological Service (DWD) has performed a research project (LITFASS='Lindenberg Inhomogeneous Terrain - Fluxes between Atmosphere and Surface: a Long-term Study') in order to develop and to test a strategy for the d ...
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Error analysis of a polarimetric dealiasing technique for Doppler measurements of the atmosphere \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Unal, C.M.H. \ Moisseev, D.N. \ 2002
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Polarimetric cloud studies at 3.3 GHz \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Heijnen, S.H. \ Klein-Baltink, H. \ Russchenberg, H.W.J. \ Zwan, W.F. van der \ 2002
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Quantitative analysis of spectral differential reflectivity in the radar bright band \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Hassiotis, A.D. \ Skaropoulos, N.C. \ Russchenberg, H.W.J. \ 2002
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A model of radar backscattering from the melting layer of precipitation \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Skaropoulos, N.C. \ Russchenberg, H.W.J. \ 2002
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An enhanced algorithm for the retrieval of liquid water cloud properties from simultaneous radar and lidar measurements. Part 1. The basic analysis of in situ measured drop size spectra \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Krasnov, O.A. \ Russchenberg, H.W.J. \ 2002
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An enhanced algorithm for the retrieval of liquid water cloud properties from simultaneous radar and lidar measurements. Part 2. Validation using ground based radar, lidar, and microwave radiometer data \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Krasnov, O.A. \ Russchenberg, H.W.J. \ 2002
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Water vapor observations with SAR, microwave radiometer and GPS: comparison of scaling characteristics \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Moisseev, D.N. \ Hanssen, R.F. \ Leijen, F.J. van \ 2002
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High quality velocity data using Dual-PRF \ Second European conference on radar meteorology ERAD and the COST 717 mid-term seminar: "Use of radar observations in hydrological and NWP models", Delft University of Technology, The Netherlands, 18-23 November 2002 [Hoofdstuk uit boek]
Holleman, I. \ Beekhuis, H. \ 2002
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Parameterization of rainfall microstructure for radar meteorology and hydrology [Proefschrift]
Uijlenhoet, R. \ 2002
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The shear contribution to the evolution of a convective boundary layer \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Pino, D. \ Duynkerke, P. \ Vila-Guerau de Arellano, J. \ [2002]
The role of the shear on the growth rate of a convective boundary layer over land is studied with detailed observations and large-eddy simulations (LES). Typically, it is found that under pure convective conditions, without shear, the entrainment buo ...
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Turbulent structures in the convective boundary layer, such as plumes and puffs, in relation to thermal characteristics of the surface \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Nieuwstadt, F.T.M. \ Hunt, J.C.R. \ Fernando, H.S. \ [2002]
We consider turbulent convection in a horizontal fluid layer of depth h, which lies above a solid base with thickness hb. The fluid parameters are the kinematic viscosity n, the thermal diffusivity k, which is taken to be comparable with n, the densi ...
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Observations of the morning transition of the convective boundary layer \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Angevine, W.M. \ Klein Baltink, H. \ Bosveld, F.C. \ [2002]
The morning transition between the stable nocturnal situation and the daytime convective boundary layer (CBL) is of interest both for basic understanding and for initializing prognostic models. While the morning growth phase of the CBL has been studi ...
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Long range scintillometry \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Kohsiek, W. \ Meijninger, W.M.L. \ Bruin, H.A.R. de \ 2002
In the past years there has been a renewed interest in the use of scintillometers for the measurement of sensible and latent heat flux. This interest is partly invoked by the need to infer the energy fluxes over areas that match in size with satellit ...
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LES: how large is large enough? \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Duynkerke, P.G. \ Jonker, H.J.J. \ Roode, S.R. de \ [2002]
Aircraft observations made in the convective boundary layer (CBL) have shown that the peak of the vertical velocity spectra occurs at a wavelength about 1.5 times the boundary layer depth (H). This implies that most of the variance is present at a ch ...
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The role of the filter in the filtered navier-stokes equation \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Dijk, A. van \ Duynkerke, P.G. \ 2002
In Large Eddy Simulation (LES) the filtered Navier-Stokes equations are solved instead of the full equations. An extra term appears in the filtered Navier Stokes equation when compared with the full Navier Stokes equation, which is called the "subgri ...
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Countergradient fluxes in the clear convective boundary layer. The role of the entrainment flux \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Roode, S.R. de \ Duynkerke, P.G. \ Jonker, H.J.J. \ [2002]
Since a few decades it is known that in the interior of the clear convective boundary layer (CBL) the vertical flux of the (virtual) potential temperature flows counter the mean vertical gradient. This behaviour impedes a straightforward eddy diffusi ...
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Dispersion of a passive tracer in a buoyancy- and shear-driven boundary layer \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Dosio, A. \ Vila-Guerau de Arellano, J. \ Holtslag, A.A.M. \ Builtjes, P.J.H. \ [2002]
When studying turbulent dispersion two driving mechanisms have to be taken in account, namely the thermal and the mechanical forcing. Although dispersion of a tracer in a Convective Boundary Layer (CBL) is a relatively well-known process investigated ...
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Velocity, temperature and scalar length scales in the CBL: observations and theory \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Dop, H. van \ Herwijnen, A. van \ As, D. van \ Hibberd, M.F. \ [2002]
Experimental evidence and LES suggest that the boundary-layer height is not the only length scale in the CBL. Jonker et al. (H.J.J Jonker, P.G. Duynkerke and J.W.M. Cuijpers, J. Atmos. Sci.,56, 801 - 808, 1999) reported steadily growing length scales ...
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Measuring the viscous dissipation of turbulent kinetic energy with a hotwire and a sonic anemometer \ 15th symposium on boundary layers and turbulence, 15-19 July 2002, Wageningen, The Netherlands [Hoofdstuk uit boek]
Slager, J. \ Duynkerke, P.G. \ Dijk, A. van \ [2002]
We used a combination of a sonic- and a hotwire anemometer to measure the smallest structures in the atmospheric boundary layer, with the aim to evaluate the kinetic energy balances under different stability conditions. The sonic anemometer was used ...
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