Temperature inversion and mixing height: critical indicators for air pollution in hot arid climate

Boundary layer temperature inversion and mixing heights are important parameters in understanding the atmospheric dispersion of air pollution. Surface and elevated inversions were analyzed within the planetary boundary layer over Kuwait, a coastal urban city situated in a typical hot, arid climate....

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Veröffentlicht in:Natural hazards (Dordrecht) 2019-05, Vol.97 (1), p.139-155
Hauptverfasser: Al-Hemoud, Ali, Al-Sudairawi, Mane, Al-Rashidi, Mufreh, Behbehani, Weam, Al-Khayat, Ahmed
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container_title Natural hazards (Dordrecht)
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creator Al-Hemoud, Ali
Al-Sudairawi, Mane
Al-Rashidi, Mufreh
Behbehani, Weam
Al-Khayat, Ahmed
description Boundary layer temperature inversion and mixing heights are important parameters in understanding the atmospheric dispersion of air pollution. Surface and elevated inversions were analyzed within the planetary boundary layer over Kuwait, a coastal urban city situated in a typical hot, arid climate. Temperature inversions constitute a natural hazard by trapping smog emitted from pollution sources. Temperature inversions were measured by the Meteorological Temperature Profiler version (MTP-5H) using a scanning microwave radiometer over the course of a complete year (2013). Remote continuous measurements (4 min interval) of temperature profiles were collected (total readings = 130,986). Daytime and nocturnal temperature inversion variations were presented. The effects of five atmospheric parameters, namely ambient temperature, relative humidity, wind speed, solar radiation, and precipitation on the surface and elevated inversion, were presented. In general, there was a significant correlation between surface and elevated inversions with four meteorological parameters ( p value ≤ .01). Results show a weak correlation between the inversions analyzed by MTP-5H and the MH modeled by the WRF.
doi_str_mv 10.1007/s11069-019-03631-2
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subjects Air pollution
Air temperature
Ambient temperature
Arid climates
Aridity
Atmospheric diffusion
Atmospheric dispersion
Boundary layer temperatures
Boundary layers
Civil Engineering
Climate
Correlation
Correlation analysis
Earth and Environmental Science
Earth Sciences
Environmental Management
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Hydrogeology
Inversions
Meteorological parameters
Microwave radiometers
Mixing height
Natural Hazards
Original Paper
Outdoor air quality
Parameters
Planetary boundary layer
Pollution
Pollution dispersion
Pollution sources
Precipitation
Profiles
Radiometers
Relative humidity
Smog
Solar radiation
Temperature
Temperature effects
Temperature inversion
Temperature inversions
Temperature profile
Temperature profiles
Wind speed
title Temperature inversion and mixing height: critical indicators for air pollution in hot arid climate
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