2011
DOI: 10.1038/ngeo1164
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Nitric acid photolysis on forest canopy surface as a source for tropospheric nitrous acid

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Cited by 242 publications
(284 citation statements)
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“…These observed levels are substantially higher than reported observations from forest environments in North America (Ren et al, 2011;Zhou et al, 2011), where NO x Figure 2. The temporal variations of OH reactivity calculated from the observed data set at TRF (Fig.…”
Section: Observational Resultscontrasting
confidence: 52%
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“…These observed levels are substantially higher than reported observations from forest environments in North America (Ren et al, 2011;Zhou et al, 2011), where NO x Figure 2. The temporal variations of OH reactivity calculated from the observed data set at TRF (Fig.…”
Section: Observational Resultscontrasting
confidence: 52%
“…Ren et al (2011) reported 30-60 ppt of HONO at the Blodgett Forest research station in the western foothills of the Sierra Nevada in the late summer of 2007. Zhou et al (2011) also reported the similar levels of HONO (below 100 ppt) from the PROPHET forest, a mixed hardwood forest in northern Michigan (Pellston, MI). However, significantly higher HONO levels (∼ 200 ppt to 2 ppb) were reported by Li et al (2012) from a rural observational site in the Pearl River Delta region near Guangzhou, where comparable NO 2 levels with TRF were observed.…”
Section: Observational Resultsmentioning
confidence: 71%
See 1 more Smart Citation
“…These surfaces include those coated with phenols and aromatic ketones as proposed by George et al (2005) and humic acids and soil as suggested by Stemmler et al (2006Stemmler et al ( , 2007. Another proposed daytime HONO formation mechanism is the photolysis of surface adsorbed nitric acid (HNO 3 ) (Zhou et al, 2007;He et al, 2006;Beine et al, 2002;Dibb et al, 2002;Zhou et al, 2002Zhou et al, , 2003Zhou et al, , 2011. Both of these heterogeneous formation pathways, NO 2 conversion and photolysis of HNO 3 , can potentially occur on aerosol and ground surfaces.…”
Section: Introductionmentioning
confidence: 99%
“…Flux measurements of HONO have been carried out to study the daytime sources of HONO. Zhou et al (2011) reported HONO fluxes in a forest canopy, with a peak flux at noon of 1 × 10 10 molec cm −2 s −1 . Another study by the same group measured HONO flux over arctic snow and reported maximum HONO fluxes of 1 × 10 9 molec cm −2 s −1 .…”
Section: Introductionmentioning
confidence: 99%