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Sökning: WFRF:(Pirrone N.) > (2003-2004) > Evasion of Mercury ...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004516naa a2200517 4500
001oai:gup.ub.gu.se/91718
003SwePub
008240528s2003 | |||||||||||000 ||eng|
009oai:research.chalmers.se:e97748f7-e5bb-4f12-bae3-fdbf8b84b603
0247 a https://gup.ub.gu.se/publication/917182 URI
0247 a https://research.chalmers.se/publication/917182 URI
040 a (SwePub)gud (SwePub)cth
041 a eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Gårdfeldt, Katarina,d 1959u Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry,University of Gothenburg4 aut0 (Swepub:cth)katarina
2451 0a Evasion of Mercury from coastal and open waters of the Atlantic ocean and the Mediterranean sea
264 1c 2003
520 a Dissolved gaseous mercury (DGM) was measured in coastal Atlantic seawater and in the Mediterranean Sea. The Atlantic measurements were performed during September 1999 at the Mace Head Atmospheric Research Station, situated on the Irish west coast. The measurements in the Mediterranean Sea were made along a 6000 km cruise path from 14 July to 9 August 2000 in the framework of the Med-Oceanor project. Total gaseous mercury (TGM) concentrations in air were continuously measured with a 5 min time resolution using an automated mercury analyser (Tekran 2537A) during both expeditions. Paired TGM and DGM samples from all campaigns showed that the surface water was supersaturated with elemental mercury. The mercury evasion was estimated using a gas exchange model (J. Geophys. Res. 97 (1992) 7373), which uses salinity, wind speed and water temperature as independent parameters. The predicted average mercury evasion from the coastal Atlantic water was 2.7 ng m−2 h−1 implying that the concentration of TGM in the Atlantic air is enhanced by mercury evasion from the sea. Measurements in different regions of the Mediterranean Sea showed spatial variations in DGM concentrations. The highest DGM concentration (90 pg l−1) was observed at a location in the Strait of Sicily (37°16N 11°52E). The mercury evasion in the eastern sector of the Mediterranean Sea (area: 32–36°N, 17–28°E) was generally higher (7.9 ng m−2 h−1) than that observed in the Tyrrhenian Sea (4.2 ng m−2 h−1) or in the western sector (2.5 ng m−2 h−1) (areas: 38–42°N, 8–13°E and 38–41°N, 7–8°E, respectively). Estimations of mercury evasion were also made at Mediterranean coastal sites using a dynamic chamber technique. In addition, a newly developed method making continuous in situ DGM measurements possible was tested.
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Meteorologi och atmosfärforskning0 (SwePub)105082 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Meteorology and Atmospheric Sciences0 (SwePub)105082 hsv//eng
650 7a NATURVETENSKAPx Geovetenskap och miljövetenskapx Miljövetenskap0 (SwePub)105022 hsv//swe
650 7a NATURAL SCIENCESx Earth and Related Environmental Sciencesx Environmental Sciences0 (SwePub)105022 hsv//eng
653 a Mercury
653 a DGM
653 a Natural sources
653 a Anthropogenic sources
653 a Biogeochemical
653 a Mediterranean Sea
653 a Mercury
7001 a Sommar, Jonas,d 1969u Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry,University of Gothenburg4 aut0 (Swepub:gu)xsommj
7001 a Ferrara, F4 aut
7001 a Ceccarini, C4 aut
7001 a Lanzilotta, E4 aut
7001 a Munthe, John4 aut
7001 a Wängberg, I4 aut
7001 a Strömberg, Dan,d 1959u Gothenburg University,Göteborgs universitet,Institutionen för miljövetenskap och kulturvård,Department of Environmental Science and Conservation,University of Gothenburg4 aut0 (Swepub:gu)xstrda
7001 a Lindqvist, Oliver,d 1943u Gothenburg University,Göteborgs universitet,Institutionen för kemi,Department of Chemistry,University of Gothenburg4 aut0 (Swepub:cth)oliver
7001 a Pirrone, N4 aut
7001 a Sprovieri, F.4 aut
7001 a Pesenti, E4 aut
7102 a Göteborgs universitetb Institutionen för kemi4 org
7730 t Atmospheric Environmentg 37:Suppl 1q 37:Suppl 1x 1352-2310x 1873-2844
8564 8u https://gup.ub.gu.se/publication/91718
8564 8u https://research.chalmers.se/publication/91718

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