Exchange flux of total gaseous mercury between air and natural water surfaces in summer season
Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research St...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Feng, Xinbin [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2002 |
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| Schlagwörter: |
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| Anmerkung: |
© Science in China Press 2002 |
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| Übergeordnetes Werk: |
Enthalten in: Science in China / D - Science in China Press, 1996, 45(2002), 3 vom: März, Seite 211-220 |
|---|---|
| Übergeordnetes Werk: |
volume:45 ; year:2002 ; number:3 ; month:03 ; pages:211-220 |
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|---|
| DOI / URN: |
10.1360/02yd9023 |
|---|
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OLC2063774366 |
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| 520 | |a Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. | ||
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10.1360/02yd9023 doi (DE-627)OLC2063774366 (DE-He213)02yd9023-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Feng, Xinbin verfasserin aut Exchange flux of total gaseous mercury between air and natural water surfaces in summer season 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. flux chamber mercury DGM biogeochemical cycling, exchange flux Sommar, Jonas aut Gårdfeldt, Katarina aut Lindqvist, Oliver aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 3 vom: März, Seite 211-220 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:3 month:03 pages:211-220 https://doi.org/10.1360/02yd9023 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 3 03 211-220 |
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10.1360/02yd9023 doi (DE-627)OLC2063774366 (DE-He213)02yd9023-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Feng, Xinbin verfasserin aut Exchange flux of total gaseous mercury between air and natural water surfaces in summer season 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. flux chamber mercury DGM biogeochemical cycling, exchange flux Sommar, Jonas aut Gårdfeldt, Katarina aut Lindqvist, Oliver aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 3 vom: März, Seite 211-220 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:3 month:03 pages:211-220 https://doi.org/10.1360/02yd9023 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 3 03 211-220 |
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10.1360/02yd9023 doi (DE-627)OLC2063774366 (DE-He213)02yd9023-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Feng, Xinbin verfasserin aut Exchange flux of total gaseous mercury between air and natural water surfaces in summer season 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. flux chamber mercury DGM biogeochemical cycling, exchange flux Sommar, Jonas aut Gårdfeldt, Katarina aut Lindqvist, Oliver aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 3 vom: März, Seite 211-220 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:3 month:03 pages:211-220 https://doi.org/10.1360/02yd9023 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 3 03 211-220 |
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10.1360/02yd9023 doi (DE-627)OLC2063774366 (DE-He213)02yd9023-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Feng, Xinbin verfasserin aut Exchange flux of total gaseous mercury between air and natural water surfaces in summer season 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. flux chamber mercury DGM biogeochemical cycling, exchange flux Sommar, Jonas aut Gårdfeldt, Katarina aut Lindqvist, Oliver aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 3 vom: März, Seite 211-220 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:3 month:03 pages:211-220 https://doi.org/10.1360/02yd9023 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 3 03 211-220 |
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10.1360/02yd9023 doi (DE-627)OLC2063774366 (DE-He213)02yd9023-p DE-627 ger DE-627 rakwb eng 550 VZ 550 VZ 13 ssgn Feng, Xinbin verfasserin aut Exchange flux of total gaseous mercury between air and natural water surfaces in summer season 2002 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Science in China Press 2002 Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. flux chamber mercury DGM biogeochemical cycling, exchange flux Sommar, Jonas aut Gårdfeldt, Katarina aut Lindqvist, Oliver aut Enthalten in Science in China / D Science in China Press, 1996 45(2002), 3 vom: März, Seite 211-220 (DE-627)193118238 (DE-600)1307899-9 (DE-576)062316923 1006-9313 nnns volume:45 year:2002 number:3 month:03 pages:211-220 https://doi.org/10.1360/02yd9023 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-OAS SSG-OLC-MFO SSG-OPC-GGO GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_4082 AR 45 2002 3 03 211-220 |
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Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. © Science in China Press 2002 |
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Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. © Science in China Press 2002 |
| abstract_unstemmed |
Abstract The exchanges of mercury between surface and air are of significance in the biogeochemical cycling of Hg in the environment, but there are still few reliable data on air/surface exchange in aquatic systems. Field measurement campaigns over seawater surface at Kristineberg Marine Research Station (KMRS) and over Hovgårdsån River surface at Knobesholm in southwestern Sweden were conducted to measure mercury flux using a dynamic flux chamber technique coupled with automatic mercury vapor-phase analyzers. Both sites show net emissions during summer time. Mercury fluxes measured over both river and seawater surfaces exhibit a consistently diurnal pattern with maximum fluxes during the daytime period and minimum fluxes during the nighttime period. At freshwater site, mercury flux is strongly correlated with the intensity of net solar radiation, and negatively correlated with relative humidity. A typical exponential relationship between mercury flux and water temperature was observed at freshwater measurement site. At seawater site, a strong correlation between mercury flux and intensity of solar radiation was obtained. The driving force of mercury emission from water surface to air is the super-saturation of dissolved gaseous mercury in aqueous phase. © Science in China Press 2002 |
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Exchange flux of total gaseous mercury between air and natural water surfaces in summer season |
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Sommar, Jonas Gårdfeldt, Katarina Lindqvist, Oliver |
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