Airborne load of nitrogen to European seas

• Autorzy: Bartnicki J. , Fagerli H.

Warianty tytułu

PL

Depozycja azotu z atmosfery do mórz europejskich

• Języki publikacji: EN

Abstrakty

EN

Atmospheric deposition of nitrogen is an important source of nutrients to the sea, accounting for approximately 30% of the total nitrogen load, which in addition includes input from the rivers and direct discharges. The excess of nutrients in the sea water is causing eutrophication which is a common problem for the European seas. Therefore, atmospheric nitrogen deposition to the seas bas been monitored since 1980s, with the help of measurements only at the beginning and with the help of models later on and at present. The results of the Unified EMEP model are presented for the period 1995-2005. Computed annual wet and dry depositions of oxidized and reduced nitrogen to the Baltic Sea, to the North Sea, to the Mediterranean Sea and to the Black Sea are analyzed, as well as the main emission sources responsible for the deposition. In addition, some indications concerning future scenarios for the airborne load of nitrogen to European seas are given.

PL

Atmosferyczna depozycja azotu jest ważnym źródłem składników odżywczych w morzach, odpowiedzialnym za około 30% całkowitego ładunku azotu, który dodatkowo obejmuje również wkład rzek i źródeł bezpośrednich. Nadmiar składników odżywczych w wodzie morskiej powoduje eutrofizację, która stanowi powszechny problem dla mórz europejskich. Dlatego atmosferyczna depozycja azotu do mórz jest monitorowana od lat osiemdziesiątych, początkowo za pomocą pomiarów, a następnie i aż do chwili obecnej przy pomocy modeli. Rezultaty zunifikowanego modelu EMEP przedstawiono dla lat 1995-2005. Przeanalizowano obliczone roczne, mokre i suche depozycje azotu utlenionego i zredukowanego do Morza Bałtyckiego, Morza Północnego, Morza Śródziemnego i Morza Czarnego, a także najważniejsze źródła emisji odpowiedzialne za depozycję. Ponadto w pracy wskazano na możliwe scenariusze atmosferycznych ładunków azotu do mórz europejskich w przyszłości.

Słowa kluczowe

EN

nitrogen; deposition; European seas; eutrophication

PL

depozycja azotu; morza europejskie; eutrofizacja

• Wydawca: Towarzystwo Chemii i Inżynierii Ekologicznej
• Czasopismo: Ecological Chemistry and Engineering. S
• Rocznik: 2008
• Tom: Vol. 15, nr 3
• Strony: 297--313
• Opis fizyczny: Bibliogr. 29 poz., rys., tab.

Twórcy

autor

Bartnicki J.

autor

Fagerli H.

• Norwegian Meteorological Institute, P.O. Box 43, Blindern, NO-0313 Oslo, Norway, tel/fax [phone],,

Bibliografia

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