Anne Louise Sumner

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Laboratory studies of the heterogeneous reactions between HNO3 in thin water films on silica surfaces and gaseous NO, CO, CH4, and SO2, proposed as potential "renoxification" mechanisms in the atmosphere, are reported. Transmission FTIR was used to monitor reactants and products on the silica surface and in the gas phase as a function of time. No reaction(More)
[1] Quantifying isoprene emissions using satellite observations of the formaldehyde (HCHO) columns is subject to errors involving the column retrieval and the assumed relationship between HCHO columns and isoprene emissions, taken here from the GEOSCHEM chemical transport model. Here we use a 6-year (1996–2001) HCHO column data set from the Global Ozone(More)
Quantifying isoprene emissions using satellite observations of formaldehyde (HCHO) column are subject to errors involving the column retrieval and the assumed relationship between HCHO columns and isoprene emissions, taken here from the GEOS-CHEM chemical transport model. Here, we use a six-year (1996-2001) HCHO column dataset from the GOME satellite(More)
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