2016
DOI: 10.1002/2016jd025568
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Using satellite‐based measurements to explore spatiotemporal scales and variability of drivers of new particle formation

Abstract: New particle formation (NPF) can potentially alter regional climate by increasing aerosol particle (hereafter particle) number concentrations and ultimately cloud condensation nuclei. The large scales on which NPF is manifest indicate potential to use satellite‐based (inherently spatially averaged) measurements of atmospheric conditions to diagnose the occurrence of NPF and NPF characteristics. We demonstrate the potential for using satellite‐based measurements of insolation (UV), trace gas concentrations (sul… Show more

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Cited by 6 publications
(9 citation statements)
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References 99 publications
(211 reference statements)
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“…UFP measurements in eastern North America exhibit strong autocorrelation [ Crippa and Pryor , ; Jeong et al , ; Sullivan et al , ; Sullivan and Pryor , ]; thus, we propose a functional form that allows use of only concurrent satellite observations as predictors and also one in which past particle number concentrations are also included in the proxy algorithm to allow an investigation of the dependence of particle concentration from its past values. More specifically, the proxy algorithm is designed to estimate UFP at time t based on UFP up to time t − 1 and all five satellite‐retrieved properties at time t , separately for the two sites.…”
Section: Methodsmentioning
confidence: 99%
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“…UFP measurements in eastern North America exhibit strong autocorrelation [ Crippa and Pryor , ; Jeong et al , ; Sullivan et al , ; Sullivan and Pryor , ]; thus, we propose a functional form that allows use of only concurrent satellite observations as predictors and also one in which past particle number concentrations are also included in the proxy algorithm to allow an investigation of the dependence of particle concentration from its past values. More specifically, the proxy algorithm is designed to estimate UFP at time t based on UFP up to time t − 1 and all five satellite‐retrieved properties at time t , separately for the two sites.…”
Section: Methodsmentioning
confidence: 99%
“…The two sites differ in terms of emission background: MMSF is a deciduous forest located in a regionally polluted environment, but that is not directly exposed to local primary anthropogenic sources, whereas Egbert is classified as semirural and is located around 70 km north of Toronto. These sites were selected to examine the flexibility of the proposed method to different emission contexts, to provide continuity with previous work, and to select sites with a substantial overlap in the measurement period and because there are relative few long‐term measurements of UFP PSD measurements available in eastern North America [ Sullivan et al , ]. PSD measurements were undertaken by using Scanning Mobility Particle Spectrometers at MMSF during January 2007 to March 2009 [ Pryor et al , ] and at Egbert during May 2007 to May 2008 [ Riipinen et al , ].…”
Section: Datamentioning
confidence: 99%
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