24-hour cycle of variability in contents of nitrogen forms in the surface microlayer of the Baltic Sea lagoon lake (North Poland) - Part I

• Autorzy: Antonowicz J. , Trojanowski J. , Trojanowska C.

Warianty tytułu

PL

24-godzinny cykl zmienności stężenia form azotu w mikrowarstwie powierzchniowej w lagunowym jeziorze Morza Bałtyckiego (północna Polska) - Część I

• Języki publikacji: EN

Abstrakty

EN

In July 2000 the diurnal cycle of analyses was conducted in order to determine variation in the concentrations of nitrogen and calcium compounds as well as dissolved gases in surface microlayers of a shallow coastal barrier lake located at the Baltic Sea coast. Water for analyses was collected in a diurnal cycle for the period of 24 h from lake Dołgie Wielkie. The analyses were conducted on the surface microlayer with a thickness of approx. 100 μm, a layer with a thickness of approx. 250 6m and a layer of subsurface water from a depth of 15 cm. Based on the analyzed data, information was collected on the migration of nitrogen compounds between the analyzed layers. Changes were observed in nitrogen forms reduced to oxidized forms and vice versa.

PL

W lipcu 2000 roku przeprowadzono dobowy cykl badań w celu określenia zmienności stężenia związków azotu oraz wapnia i rozpuszczonych gazów w mikrowarstwach powierzchniowych płytkiego jeziora lagunowego usytuowanego na wybrzeżu Morza Bałtyckiego. Wodę do analiz pobierano w cyklu godzinnym przez okres 24 godzin z jeziora Dołgie Wielkie. Poddano analizie mikrowarstwę powierzchniową o grubości ok. 100 6m, warstwę o grubości ok. 250 6m oraz warstwę wody podpowierzchniowej z głębokości około 15 cm. Na podstawie zanalizowanych danych uzyskano informacje dotyczące migracji związków azotu między analizowanymi warstwami. Zaobserwowano przemiany form azotu zredukowanych do utlenionych i vice versa.

Słowa kluczowe

EN

24-hour cycle; variability; nitrogen content; nitrogen form; surface microlayer; Baltic Sea; lagoon lake; Poland; daily change; calcium content; aquatic ecosystem; marine ecosystem

• Wydawca: -
• Czasopismo: Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
• Rocznik: 2010
• Tom: 14
• Opis fizyczny: p.37-47,fig.,ref.

Twórcy

autor

Antonowicz J.

• Department of Environmental Chemistry, Pomeranian University in Slupsk, Arciszewskiego 22b, 76-200 Slupsk, Poland

autor

Trojanowski J.

autor

Trojanowska C.

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