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Wyszukujesz frazę "Trembaczowski, A." wg kryterium: Autor


Wyświetlanie 1-5 z 5
Tytuł:
Use of sulphur and carbon stable-isotope composition of fish scales and muscles to identify the origin of fish
Autorzy:
Trembaczowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2086538.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Mineralogiczne
Tematy:
stable isotopes
δ34S
δ13C
fish scales
fish muscle
food web relations
Opis:
δ34S and δ13C analyses were used to determine the origin of trout specimens. The isotope record of their scales and muscles are compared with a database previously obtained from wild- and reared fish coming from Polish rivers and pond farms. The comparison made it possible to find out whether the trout were wild or reared.
Źródło:
Mineralogia; 2011, 42, 1; 33--37
1899-8291
1899-8526
Pojawia się w:
Mineralogia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Respiration and assimilation processes reflected in the carbon isotopic composition of atmospheric carbon dioxide
Autorzy:
Szaran, J.
Niezgoda, H.
Trembaczowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/146953.pdf
Data publikacji:
2002
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
atmosphere
carbon dioxide
carbon isotopes
delta-C-13
respiration
Opis:
This paper presents diurnal variations of concentration and carbon isotopic composition of atmospheric carbon dioxide caused by respiration and assimilation processes. Air samples were collected during early and late summer in 1998 in unpolluted area (village Guciow located near the Roztocze National Park, SE Poland) in three different environments: uncultivated field on a hill, a meadow in the Wieprz river valley and a forest. The effect is very strong during intensive vegetation growth on a sunny day and clear night. The largest diurnal variations in atmospheric CO2 concentration and its carbon isotopic composition in June above the meadow were about 480 ppm and 10‰, respectively.
Źródło:
Nukleonika; 2002, 47,suppl.1; 59-61
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diurnal variations and vertical distribution of δ13C, and concentration of atmospheric and soil CO2 in a meadow site, SE Poland
Autorzy:
Szaran, J.
Dudziak, A.
Trembaczowski, A.
Niezgoda, H.
Hałas, S.
Powiązania:
https://bibliotekanauki.pl/articles/2058901.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
SE Poland
atmospheric CO2
carbon dioxide concentration
diurnal observations
delta 13C
soil CO2
Opis:
We provide the results of 24-hour observations made in a meadow site located in a small river valley in Central Europe. Samples of atmospheric air were taken from three horizons: near the soil (0.05 m), in the grass (0.5 m) and above the meadow (2 m) at two-hour intervals. At the same time, samples of soil air were collected from two horizons: -0.1 and -0.5 m. We have found a variation of δ13C above the ground from -6‰ during the day to -20‰ late at night accompanied by variations in CO2 concentration from 270 ppm during the day, to various levels late at night at different heights above the ground. The maximum concentration was 1430 ppm at the ground level. The correlation coefficient between δ 13C and reciprocal of concentration was the highest (R2 = 0.984) for the samples collected 2 m above the ground, the regression line clearly indicating CO2 mixing from the two sources: atmospheric and biogenic reservoirs. The intercept of the mixing line yields δC = -23.0‰ for the biogenic CO2. In contrast, the diurnal variations in the soil were relatively small, δ13C varied from -21.6 to -23.4‰, while CO2 concentration from 4300 to 8200 and from 24 700 to 34 500 ppm at depths of 0.1 m and 0.5 m respectively, which is less than 2-fold. Small diurnal variations are characteristic of dry soils, where δ13C is weakly correlated with CO2 concentration (in our case R2 was 0.30 and 0.54, respectively).
Źródło:
Geological Quarterly; 2005, 49, 2; 135--144
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Concentration of soil CO2 as an indicator of the decalcification rate after liming treatment
Autorzy:
Chmiel, S.
Halas, S.
Glowacki, S.
Sposob, J.
Maciejewska, E.
Trembaczowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/26239.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
carbon dioxide
carbon dioxide concentration
soil
decalcification
liming treatment
water infiltration
leaching
Źródło:
International Agrophysics; 2016, 30, 2
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Anomalia hydrogeochemiczna w Tatrach : źródło z wodami siarczanowymi
Hydrogeochemical anomaly in the Tatra Mountains : a spring with sulphate water
Autorzy:
Wolanin, A..
Chmiel, S.
Żelazny, M.
Jelonkiewicz, Ł.
Janusz, J.
Hałas, S.
Trembaczowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/2075753.pdf
Data publikacji:
2017
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
hydrogeochemiczne anomalia
źródło
chemizm
izotopy
metale śladowe
hydrogeochemical anomaly
spring
chemistry
isotopes
trace metals
Opis:
The paper contains the results of analysis of chemical, isotopic and trace metal composition of anomalous spring water in the Tatra Mts. Obtained data were the basis for an attempt to determine the origin of this hydrogeochemical anomaly. The spring is located in the Tomanowa Valley in the Western Tatra Mts. The spring water is characterized by the mineralization (TDS) above 500 mg/dm3. As regards the chemical composition of the water, Ca2+ ions show the highest concentration among cations, while HCO- among anions. The spring water has been assigned to the: SO —HCO—Ca-Mg hydrochemical type. Among trace metals, Sr, Ba, B, Li and Al. reveal The highest concentrations. The oxygen and hydrogen isotopic composition(δ18O and δ2H) indicates that this is infiltration water. Delta values of oxygen and sulphur isotopes (δ18OS and δ34S) of the sulphate ion indicate that SO4 of this spring water is likely derived from leaching of gypsum or anhydrite evaporites.
Źródło:
Przegląd Geologiczny; 2017, 65, 11/1; 1025--1028
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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