Gert-Jan Steeneveld

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[1] Accurate air temperature observations in urban areas are important for meteorology and energy demand planning. They are indispensable to study the urban heat island effect and the adverse effects of high temperatures on human health. However, the availability of temperature observations in cities is often limited. Here we show that relatively accurate(More)
R. T. McNider, G. J. Steeneveld, A. A. M. Holtslag, R. A. Pielke Sr., S. Mackaro, A. PourBiazar, and J. Walters^, U. Nair, J. Christy Earth System Science Center, University of Alabama in Huntsville, Huntsville, AL, USA Wageningen University, Meteorology and Air Quality Section, Wageningen, The Netherlands CIRES and Senior Research Associate ATOC,(More)
*Correspondence: Gert-Jan Steeneveld, Meteorology and Air Quality Section, Wageningen University, Droevendaalsesteeg 3, PO Box 47, 6708 PB Wageningen, Netherlands e-mail: gert-jan.steeneveld@wur.nl Understanding and prediction of the stable atmospheric boundary layer is challenging. Many physical processes come into play in the stable boundary layer (SBL),(More)
[1] Long‐term surface observations over land have shown temperature increases during the last century, especially during nighttime. Observations analyzed by Parker (2004) show similar long‐term trends for calm and windy conditions at night, and on basis of this it was suggested that the possible effect of urban heat effects on long‐term temperature trends(More)
Low visibility due to fog and low stratus seriously affects airport and hub-and spoke operations, which has obviously direct economic consequences. In the long term, the fog frequency and predictability may even influence an airline’s choice of home base. Lack of knowledge of the relevant atmospheric, hydrological and chemical fog processes inhibit(More)
Forecasting of near surface weather, species transport and dispersion, and the inversion of greenhouse gas transport on the mesoscale relies on the performance of the atmospheric boundary layer (ABL) and land surface scheme in limited area models (e.g. Denning et al., 2008: Gerbig et al., 2008). However, the PBL description in NWP models still has(More)
Recently, the equilibrium height of the stable boundary layer received much attention in a series of papers by Zilitinkevich and co-workers. In these studies the stable boundary-layer height is derived in terms of inverse interpolation of different boundary-layer height scales, each representing a prototype boundary layer. As an alternative we propose an(More)
Urbanization affects human thermal comfort and health, especially for vulnerable groups such as the elderly and people with established health issues. To mitigate adverse thermal comfort and accompanying excess mortality there is an urgent need of tools for forecasting urban thermal comfort on short to medium-ranged time scales. In this use-case, we present(More)
Weather and climate models struggle to represent lower tropospheric temperature and moisture profiles and surface fluxes in Arctic winter, partly because they lack or misrepresent physical processes that are specific to high latitudes. Observations have revealed two preferred states of the Arctic winter boundary layer. In the cloudy state, cloud liquid(More)
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