Lorenzo Labrador

Lorenzo Labrador
Met Office · Satellite Applications Group

PhD

About

13
Publications
487
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279
Citations
Introduction
Additional affiliations
December 2006 - November 2011
The University of Manchester
Position
  • Post-graduate Research Associate
January 2003 - May 2005
Max Planck Institute for Chemistry
Position
  • PhD Student, post-doctoral researcher

Publications

Publications (13)
Article
Earth orbit offers a unique vantage point from which to study and monitor the phenomenon of lightning. Space-borne lightning detection sensors are capable of detecting total lightning activity during both day and night, over land and sea, potentially filling in data gaps in areas of poor or no radar coverage or where ground-based lightning detectio...
Article
Full-text available
Measurements of nitrogen oxides onboard a high altitude aircraft were carried out for the first time during the Northern Australian monsoon in the framework of the Aerosol and Chemical Transport in Tropical Convection (ACTIVE) campaign, in the area around Darwin, Australia. During one flight on 22 January 2006, average NO<sub>x</sub> mixing ratios...
Article
A set of two hyperspectral imaging sensors have been used to analyze the optical properties of stratocumulus cloud off the coast of Northern Chile within the framework of the VAMOS Ocean Clouds Atmosphere Land Study (VOCALS) during September-October 2008. The SPECIM Aisa Eagle & Hawk are tandem pushbroom-type hyperspectral imagers scanning in the 4...
Article
Full-text available
Measurements of nitrogen oxides onboard a high altitude aircraft were carried out for the first time during the Northern Australian monsoon in the framework of the Aerosol and Chemical Transport in Tropical Convection (ACTIVE) campaign, in the area around Darwin, Australia. During one flight on 22 January 2006, average NOx volume mixing ratios (vmr...
Article
Full-text available
We present results of the deposition of nitrogen compounds formed from lightning (LNO x ) using the global chemical transport Model of Atmospheric Transport and Chemistry¿Max Planck Institute for Chemistry version. The model indicates an approximately equal deposition of LNO x in both terrestrial and oceanic ecosystems, primarily in the tropics and...
Article
The precise knowledge of the lightning induced nitrogen oxides (LNOx) source is important for understanding and predicting the nitrogen oxides and ozone distributions and their trends, the oxidation capacity of the atmosphere, the lifetime of trace gases destructed by reactions with OH, for the assessment of other NOx sources, in particular from av...
Article
The impact of different assumptions concerning the source magnitude as well as the vertical placement of lightning-produced nitrogen oxides is studied using the global chemistry transport model MATCH-MPIC. The responses of NOx, O3, OH, HNO3 and peroxyacetyl-nitrate (PAN) are investigated. A marked sensitivity to both parameters is found. NOx burden...
Article
Full-text available
The impact of different assumptions concerning the source magnitude as well as the vertical placement of lightning-produced nitrogen oxides is studied using the global chemistry transport model MATCH-MPIC. The responses of NOx, O3, OH, HNO3 and peroxyacetyl-nitrate (PAN) are investigated. A marked sensitivity to both parameters is found. NOx burden...
Article
Full-text available
The impact of different assumptions concerning the source magnitude as well as the vertical placement of lightning-produced nitrogen oxides is studied using the global chemistry transport model MATCH-MPIC. The responses of NO<sub>x</sub>, O<sub>3</sub>, OH, HNO<sub>3</sub> and peroxyacetyl-nitrate (PAN) are investigated. A marked sensitivity to bot...
Article
Full-text available
Production of nitrogen oxides (NOx = NO + NO2) by lightning (LtNOx) is the most uncertain among the global NOx sources, with recent estimates ranging from about 1–20 Tg(N)/yr. Previous studies of LtNOx have focused mainly on its role in the tropospheric NOy (reactive nitrogen) and O3 budgets. We show that the global mean OH concentration is also ve...
Article
The role of lightning-produced NOx in the chemistry of the tropical troposphere is being investigated using the Model for Atmospheric Transport and Chemistry, Max Planck Institute for Chemistry version (MATCH-MPIC). The model includes an ex- tensive non-methane hydrocarbon (NMHC) oxidation mechanism, and a lightning pa- rameterization which is coup...
Article
A series of sensitivity runs aimed at studying the vertical distribution of lightning-produced NOx and its effects on atmospheric chemistry have been carried out using the Model for Atmospheric Transport and Chemistry (MATCH). The model uses the Prince and Rind (1992, 1994) parameterization for lightning and the Zhang/McFarlane/Hack convection sche...

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