Vertical Profiles of Atmospheric Mercury Concentration

Vertical profiles of atmospheric mercury concentration determined with a lidar and point monitor systems in the mineralized region of Mt. Amiata (Italy) are reported. Measurements were performed over a large flat area, without arboreal and herbaceous vegetation, constituting a roasted cinnabar deposit which still contains about two parts per thousand of mercury. The determinations carried out with the two techniques yielded comparable results for the working conditions used. Data demonstrate the presence of a vertical gradient of atmospheric mercury concentration, which is particularly large in the layers of air nearest the soil. The highest values (45-1000 ng m-3) were measured a few centimeters from the soil, while background values (2-3 ng m-3) were reached at heights of 10-20 m. The vertical gradient proved to be strongly dependent on ambient temperature.

Maserti, B. E (author)
Deliso, A (author)
Edner, H (author)
Ragnarson, P (author)
Svanberg, SuneLund University,Lunds universitet,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)fysi-ssv (author)
Wallinder, E (author)
AtomfysikFysiska institutionen (creator_code:org_t)

In:Environmental Technology: Informa UK Limited13:11, s. 1061-10681479-487X0959-3330

By the author/editor: Ferrara, R; Maserti, B. E; Deliso, A; Edner, H; Ragnarson, P; Svanberg, Sune; show more...; Wallinder, E; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Atom and Molecul ...

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