Cloud activation behavior at a high-alpine site
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منابع مشابه
Measured and modelled cloud condensation nuclei number concentration at the high alpine site Jungfraujoch
Atmospheric aerosol particles are able to act as cloud condensation nuclei (CCN) and are therefore important for the climate and the hydrological cycle, but their properties are not fully understood. Total CCN number concentrations at 10 different supersaturations in the range of SS = 0.12–1.18% were measured in May 2008 at the remote high alpine research station, Jungfraujoch, Switzerland (358...
متن کاملThe analysis of size-segregated cloud condensation nuclei counter (CCNC) data and its implications for cloud droplet activation
Ambient aerosol, CCN (cloud condensation nuclei) and hygroscopic properties were measured with a sizesegregated CCNC (cloud condensation nuclei counter) in a boreal environment of southern Finland at the SMEAR (Station for Measuring Ecosystem-Atmosphere Relations) II station. The instrumental setup operated at five levels of supersaturation S covering a range from 0.1–1 % and measured particles...
متن کاملA comparison of water and carbon dioxide exchange at a windy alpine tundra and subalpine forest site near Niwot Ridge, Colorado
Eddy covariance measurements of the surface energy balance and carbon dioxide exchange above high-elevation (3,480 m above sea level) alpine tundra located near Niwot Ridge, Colorado, were compared to simultaneous measurements made over an adjacent subalpine forest over two summers and one winter, from June 9, 2007 to July 3, 2008. The surface energy balance closure at the alpine site averaged ...
متن کاملInteractive comment on “Size-resolved and integral measurements of cloud condensation
This paper presents measurements of size resolved and total CCN concentrations as well as aerosol composition and hygroscopicity from the high-alpine site Jungfraujoch. The authors do a good job of presenting the measurements and results and their data should contribute to the growing understanding of global aerosol hygroscopicity. However, there are a few changes which would improve the paper ...
متن کاملInteractive comment on “Size-resolved and integral measurements of cloud condensation
This paper presents measurements of size resolved and total CCN concentrations as well as aerosol composition and hygroscopicity from the high-alpine site Jungfraujoch. The authors do a good job of presenting the measurements and results and their data should contribute to the growing understanding of global aerosol hygroscopicity. However, there are a few changes which would improve the paper ...
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تاریخ انتشار 2013