1997
DOI: 10.1029/97jd01806
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Abstract: Abstract. Sea salt particles are constantly produced from ocean surfaces by wave-wind interactions and removed by deposition and precipitation scavenging. These particles constitute the background aerosol for light scattering in the marine boundary layer. In this work, the thermodynamic and optical properties of sea salt aerosol particles generated from seawater samples are measured at 25øC as a function of relative humidity, using a single-particle levitation technique. Water activities, densities, and refrac… Show more

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Cited by 399 publications
(510 citation statements)
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“…We define the deliquescence relative humidity (DRH) in our experiments as the humidity where the particles were observed to be completely liquid. This is important especially for the sea-salt aerosols, which start to absorb water at relative humidities much lower than DRH and exist as internally mixed phase particles (liquid/solid) over a wide range of humidities [Tang et al, 1997]. In the efflorescence runs the relative humidity was first raised to a high value until all droplets were completely liquid (usually 80-90% RH).…”
Section: Flow Cell Microscopymentioning
confidence: 99%
“…We define the deliquescence relative humidity (DRH) in our experiments as the humidity where the particles were observed to be completely liquid. This is important especially for the sea-salt aerosols, which start to absorb water at relative humidities much lower than DRH and exist as internally mixed phase particles (liquid/solid) over a wide range of humidities [Tang et al, 1997]. In the efflorescence runs the relative humidity was first raised to a high value until all droplets were completely liquid (usually 80-90% RH).…”
Section: Flow Cell Microscopymentioning
confidence: 99%
“…The È i that is needed for determining B is obtained from the measurements [Tang, 1996;Tang and Munkelwitz, 1994;Tang et al, 1997]. They are converted to the following polynomial curve fit as a function of water activity:…”
Section: Appendix Amentioning
confidence: 99%
“…and a dominant volatile component (estimated at 25% organic carbon and 75% sulfate salts). Hygroscopic growth of each mode was calculated based on the following assumptions: no RH growth for dustlike components, sea salt growth following Tang et al (1997), and the volatile component growth according to Kapustin et al (2006).…”
Section: Aerosol Surface Area Spectrummentioning
confidence: 99%