Total suspended particulate matter in the Porsanger fjord (Norway) in the summers of 2014 and 2015

• Autorzy: Białogrodzka J. , Stramska M. , Ficek D. , Wereszka M.

Identyfikatory

DOI

10.1016/j.oceano.2017.06.002

• Języki publikacji: EN

Abstrakty

EN

High-latitude fjords, very vulnerable to global change, are impacted by their land and ocean boundaries, and they may be influenced by terrestrial water discharges and oceanic water inputs into them. This may be reflected by temporal and spatial patterns in concentrations of biogeochemically important constituents. This paper analyses information relating to the total suspended matter (TSM) concentration in the Porsanger fjord (Porsangerfjorden), which is situated in the coastal waters of the Barents Sea. Water samples and a set of physical data (water temperature, salinity, inherent optical properties) were obtained during two field expeditions in the spring and summer of 2014 and 2015. Bio-optical relationships were derived from these measurements, enabling optical data to be interpreted in terms of TSM concentrations. The results revealed significant temporal variability of TSM concentration, which was strongly influenced by precipitation, terrestrial water discharge and tidal phase. Spatial distribution of TSM concentration was related to the bathymetry of the fjord, dividing this basin into three subregions. TSM concentrations ranged from 0.72 to 0.132 g m⁻³ at the surface (0–2 m) and from 0.5 to 0.67 g m⁻³ at 40 m depth. The average mineral fraction was estimated to be 44% at surface and 53% at 40 m.

Słowa kluczowe

EN

Arctic; Porsanger fjord; suspended matter; optical measurements

• Wydawca: Polish Academy of Sciences, Institute of Oceanology ; Elsevier
• Czasopismo: Oceanologia
• Rocznik: 2018
• Tom: No. 60 (1)
• Strony: 1--15
• Opis fizyczny: Bibliogr. 24 poz., mapy, tab., wykr.

Twórcy

autor

Białogrodzka J.

• Department of Earth Sciences, Szczecin University, Szczecin, Poland
• Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland

autor

Stramska M.

• Department of Earth Sciences, Szczecin University, Szczecin, Poland
• Institute of Oceanology, Polish Academy of Sciences, Sopot, Poland

autor

Ficek D.

• Department of Environmental Physics, Pomeranian University in Słupsk, Słupsk, Poland

autor

Wereszka M.

• Department of Earth Sciences, Szczecin University, Szczecin, Poland

Bibliografia

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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).