John Johansson

Post doc at Microwave and Optical Remote Sensing

John Johansson is researcher in the Optical remote sensing group. In his studies he focused on spectroscopic methods for measuring gas emissions from oil refineries and petrochemical industries. Using the methods SOF and Mobile DOAS he performs measurements of total emission fluxes of VOCs, SO2, NO2 and formaldehyde. In his role as a researcher he has participated in several large scale measurement studies in Houston, Texas, the main hub of the North American oil industry, in close cooperation with state authorities, University of Houston and a large number of air quality researchers.

Source: chalmers.se
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Showing 12 publications

2020

GenChem v1.0-a chemical pre-processing and testing system for atmospheric modelling

David Simpson, Robert Bergström, A. Briolat et al
Geoscientific Model Development. Vol. 13 (12), p. 6447-6465
Journal article
2018

Chlorine oxidation of VOCs at a semi-rural site in Beijing: Significant chlorine liberation from ClNO2 and subsequent gas- A nd particle-phase Cl-VOC production

Michael Le Breton, Åsa M. Hallquist, Ravi Kant Pathak et al
Atmospheric Chemistry and Physics. Vol. 18 (17), p. 13013-13030
Journal article
2016

Quantification of Gas Emissions from Refineries, Gas Stations, Oil Wells and Agriculture using Optical Solar Occultation Flux and Tracer Correlation Methods

Johan Mellqvist, Jerker Samuelsson, Marianne Ericsson et al
AGU Fall meeting San Francisco Dec 2016 (A13N-02)
Conference contribution
2016

Quantification of Gaseous Emissions from Gas Stations, Oil Wells and Agriculture using Optical Solar Occultation Flux and Tracer Correlation Methods

Johan Mellqvist, Jerker Samuelsson, Marianne Ericsson et al
A&WMA’s 109th Annual Conference & Exhibition, New Orleans, Louisiana, June 2016
Paper in proceedings
2016

Using Solar Occultation Flux and Other Optical Remote Sensing Techniques to Fully Characterize and Quantify Fugitive Emissions from refineries and oil depots

Johan Mellqvist, Jerker Samuelsson, Marianne Ericsson et al
A&WMA’s 109th Annual Conference & Exhibition, New Orleans, Louisiana, June 2016 (# 948)
Paper in proceedings
2015

Quantification of VOC emissions using tracer dispersion, Mobile Extractive FTIR (MEFTIR) and Mobile Whitecell-DOAS (MWDOAS)

Jerker Samuelsson, Johan Mellqvist, Brian Offerle et al
Proceedings of the Air and Waste Management Association's Annual Conference and Exhibition, AWMA. Vol. 3, p. 2310-2317
Paper in proceedings
2014

Quantitative measurements and modeling of industrial formaldehyde emissions in the Greater Houston area during campaigns in 2009 and 2011

John Johansson, Johan Mellqvist, Jerker Samuelsson et al
Journal of Geophysical Research. Vol. 119 (7), p. 4303-4322
Journal article
2014

Emission measurements of alkenes, alkanes, SO2, and NO2 from stationary sources in Southeast Texas over a 5 year period using SOF and mobile DOAS

John Johansson, Johan Mellqvist, Jerker Samuelsson et al
Journal of Geophysical Research. Vol. 119 (4), p. 1973-1991
Journal article
2013

Optical remote sensing of industrial gas emission fluxes

John Johansson
Licentiate thesis
2012

Primary and secondary sources of formaldehyde in urban atmospheres: Houston Texas region

D. D. Parrish, T. B. Ryerson, Johan Mellqvist et al
Atmospheric Chemistry and Physics. Vol. 12 (7), p. 3273-3288
Journal article
2010

Measurements of industrial emissions of alkenes in Texas using the solar occultation flux method

Johan Mellqvist, Jerker Samuelsson, John Johansson et al
Journal of Geophysical Research. Vol. 115
Journal article

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Showing 1 research projects

2013–2013

Analysis of Solar Occultation Flux

Johan Mellqvist Optical Remote Sensing
John Johansson Optical Remote Sensing
The University of Texas at Austin

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