Arctic tropospheric ozone: assessment of current knowledge and model performance

CH Whaley, KS Law, JL Hjorth, H Skov… - Atmospheric …, 2022 - acp.copernicus.org
As the third most important greenhouse gas (GHG) after CO 2 and methane, tropospheric
ozone (O 3) is also an air pollutant causing damage to human health and ecosystems. This …

A general framework for global retrievals of trace gases from IASI: Application to methanol, formic acid, and PAN

B Franco, L Clarisse, T Stavrakou… - Journal of …, 2018 - Wiley Online Library
Retrieving concentrations of minor atmospheric trace gases from satellite observations is
challenging due to their weak spectral signature. Here we present a new version of the ANNI …

First simultaneous measurements of peroxyacetyl nitrate (PAN) and ozone at Nam Co in the central Tibetan Plateau: impacts from the PBL evolution and transport …

X Xu, H Zhang, W Lin, Y Wang, W Xu… - … Chemistry and Physics, 2018 - acp.copernicus.org
Both peroxyacetyl nitrate (PAN) and ozone (O 3) are key photochemical products in the
atmosphere. Most of the previous in situ observations of both gases have been made in …

The impacts of peroxyacetyl nitrate in the atmosphere of megacities and large urban areas: A historical perspective

JS Gaffney, NA Marley - ACS Earth and Space Chemistry, 2021 - ACS Publications
This paper is an overview of the history, discovery, and measurement of peroxyacetyl nitrate
(PAN) and its analogs, the peroxyacyl nitrates (PANs), in highly populated urban areas and …

[HTML][HTML] Measurement report: Spatiotemporal variability of peroxy acyl nitrates (PANs) over Mexico City from TES and CrIS satellite measurements

MJ Shogrin, VH Payne, SS Kulawik… - Atmospheric …, 2023 - acp.copernicus.org
Peroxy acyl nitrates (PANs) are photochemical pollutants with implications for health and
atmospheric oxidation capacity. PANs are formed via the oxidation of non-methane volatile …

[HTML][HTML] Evaluation of SO, SO and an updated SO dry deposition parameterization in the United Kingdom Earth System Model

C Hardacre, JP Mulcahy, RJ Pope… - Atmospheric …, 2021 - acp.copernicus.org
In this study we evaluate simulated surface SO 2 and sulfate (SO 4 2-) concentrations from
the United Kingdom Earth System Model (UKESM1) against observations from ground …

Satellite measurements of peroxyacetyl nitrate from the Cross-Track Infrared Sounder: comparison with ATom aircraft measurements

VH Payne, SS Kulawik, EV Fischer… - Atmospheric …, 2021 - amt.copernicus.org
We present an overview of an optimal estimation algorithm to retrieve peroxyacetyl nitrate
(PAN) from single field of view Level 1B radiances measured by the Cross-Track Infrared …

The TOMCAT global chemical transport model v1. 6: description of chemical mechanism and model evaluation

SA Monks, SR Arnold, MJ Hollaway… - Geoscientific Model …, 2017 - gmd.copernicus.org
This paper documents the tropospheric chemical mechanism scheme used in the TOMCAT
3-D chemical transport model. The current scheme includes a more detailed representation …

PAN in the eastern Pacific free troposphere: A satellite view of the sources, seasonality, interannual variability, and timeline for trend detection

L Zhu, VH Payne, TW Walker… - Journal of …, 2017 - Wiley Online Library
Peroxyacetyl nitrate (PAN) is an important trace gas that serves to transport nitrogen oxide
radicals throughout the troposphere. We present an analysis of satellite observations of PAN …

Using an inverse model to reconcile differences in simulated and observed global ethane concentrations and trends between 2008 and 2014

SA Monks, C Wilson, LK Emmons… - Journal of …, 2018 - Wiley Online Library
We use a global model, TOMCAT, and an inverse model, INVICAT, to estimate emissions of
ethane (C2H6) between 2008 and 2014 by assimilating surface flask observations. We find …