Publication

Total VOC reactivity in the planetary boundary layer 1. Estimation by a pump and probe OH experiment

Hubert van den Bergh, Alain Clappier, Bertrand Calpini
2001
Journal Articles

Abstract

OH- radical reactivity with total volatile org. compds. (VOC), SkVOC[VOC], is directly obtained in the planetary boundary layer (PBL). A method is based on a perturbation technique where high initial OH- concns. are created by flash photolysis of O3 and subsequent reaction of O(1D) with H2O. Laser-induced fluorescence measures residual OH- concn. at different time delays after the perturbation (

Official source

https://infoscience.epfl.ch/entities/publication/7b16a40b-4d4d-400c-a511-b20099c65e28

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Hubert van den Bergh, Alain Clappier, Bertrand Calpini
2001
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/7b16a40b-4d4d-400c-a511-b20099c65e28

About this result

Related concepts (24)

Planetary boundary layer

In meteorology, the planetary boundary layer (PBL), also known as the atmospheric boundary layer (ABL) or peplosphere, is the lowest part of the atmosphere and its behaviour is directly influenced by its contact with a planetary surface. On Earth it usually responds to changes in surface radiative forcing in an hour or less. In this layer physical quantities such as flow velocity, temperature, and moisture display rapid fluctuations (turbulence) and vertical mixing is strong.

Numerical weather prediction

Numerical weather prediction (NWP) uses mathematical models of the atmosphere and oceans to predict the weather based on current weather conditions. Though first attempted in the 1920s, it was not until the advent of computer simulation in the 1950s that numerical weather predictions produced realistic results. A number of global and regional forecast models are run in different countries worldwide, using current weather observations relayed from radiosondes, weather satellites and other observing systems as inputs.

Atmospheric model

In atmospheric science, an atmospheric model is a mathematical model constructed around the full set of primitive, dynamical equations which govern atmospheric motions. It can supplement these equations with parameterizations for turbulent diffusion, radiation, moist processes (clouds and precipitation), heat exchange, soil, vegetation, surface water, the kinematic effects of terrain, and convection. Most atmospheric models are numerical, i.e. they discretize equations of motion.

Related publications (1)

Total VOC reactivity in the planetary boundary layer 1. Estimation by a pump and probe OH experiment

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