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Wyszukujesz frazę "inorganic carbon" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
A system for the determination of surface water pCO2 in a highly variable environment, exemplified in the Southern Baltic Sea
Autorzy:
Stokowski, M.
Makuch, P.
Rutkowski, K.
Wichorowski, M.
Kulinski, K.
Powiązania:
https://bibliotekanauki.pl/articles/2078920.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
surface water
carbon dioxide
coastal zone
environment change
inorganic carbon
open water
Baltic Sea
Opis:
Measurement of pCO2 in highly dynamic coastal zones such as the southern Baltic Sea presents many challenges. In this study, we designed a system to measure pCO2 and then validated it in a series of laboratory and seagoing tests. The fast response time of the system was shown to provide a better resolution of CO2 system gradients. In the open waters of the Baltic Sea, the accuracy of the pCO2 measurements (±1.3 μatm) met the requirements of the ICOS (±2.0 μatm). In the coastal zone, there was less consistency between pCO2, DIC and pH measurements, suggesting the need to redefine the quality assurance and control requirements for the measurement of pCO2 in dynamic regions.
Źródło:
Oceanologia; 2021, 63, 2; 276-282
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comparison of the burial rate estimation methods of organic and inorganic carbon and quantification of carbon burial in two high Arctic fjords
Autorzy:
Koziorowska, K.
Kulinski, K.
Pempkowiak, J.
Powiązania:
https://bibliotekanauki.pl/articles/47711.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
organic carbon
inorganic carbon
marine sediment
pore water
Arctic fjord
surface sediment
primary production
absorption spectrum
Źródło:
Oceanologia; 2018, 60, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Benthic diffusive fluxes of organic and inorganic carbon, ammonium and phosphates from deep water sediments of the Baltic Sea
Autorzy:
Lengier, M.
Szymczycha, B.
Brodecka-Goluch, A.
Klostowska, Z.
Kulinski, K.
Powiązania:
https://bibliotekanauki.pl/articles/2078878.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
biogeochemistry
benthic flux
organic carbon
organic matter
remineralization
dissolved organic carbon
dissolved inorganic carbon
ammonium
phosphate
oxygen availability
deep water sediment
Baltic Sea
Opis:
In this study, Baltic Sea sediments, as a source of dissolved inorganic carbon (DIC), dissolved organic carbon (DOC), ammonium (NH4 +), and phosphates (PO4 3−), were investigated based on samples obtained in 2017 and 2018, shortly after a sequence of inflows from the North Sea that occurred between 2014 and 2017. Two different data sets (I and II) were used to assess benthic diffusive fluxes and thus elucidate both the temporal conditions at the time of sampling (data set I) and the diffusion potential of the sediments (data set II). The estimated fluxes were characterized by a high spatial variability within the whole Baltic Sea and ranged between −0.01 and 3.33 mmol m−2 d−1 for DIC, −0.02 and 0.44 mmol m−2 d−1 for DOC, −40.5 and 1370.1 μmol m−2 d−1 for NH4 +, and −5.9 and 60.9 μmol m−2 d−1 for PO4 3−. The estimated benthic diffusive fluxes indicated a high potential for DIC, DOC, NH4 +, and PO4 3− release from Baltic Sea sediments. The high O2 concentrations in the water column of the Gulf of Bothnia together with major Baltic inflows (MBIs) bringing oxygenated seawater to the Baltic Proper and to some extent the Eastern Gotland Basin regulate the amounts of chemicals released from the sediment. Our study showed that a sequence of inflows has greater impact on the diminution of diffusive fluxes than does a single MBI and that the sediments of the Baltic Proper, even under the influence of inflows, are an important source of C, N, and P (159 kt yr−1 for DIC+DOC, 6.3
Źródło:
Oceanologia; 2021, 63, 3; 370-384
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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