Search Results - "Lapitskiy, Sergey A."

Extreme iron isotope fractionation between colloids and particles of boreal and temperate organic-rich waters by Ilina, Svetlana M., Poitrasson, Franck, Lapitskiy, Sergey A., Alekhin, Yuriy V., Viers, Jérôme, Pokrovsky, Oleg S.

“…Significant and systematic variations of iron isotopic composition in surface water sample fractions obtained by frontal cascade filtration and ultrafiltration…”
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Iron Isotope Fractionation during Bio- and Photodegradation of Organoferric Colloids in Boreal Humic Waters by Oleinikova, Olga V, Poitrasson, Franck, Drozdova, Olga Yu, Shirokova, Liudmila S, Lapitskiy, Sergey A, Pokrovsky, Oleg S

“…Biodegradation and photolysis of dissolved organic matter (DOM) in boreal high-latitude waters are the two main factors controlling not only the aquatic fluxes…”
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Size fractionation and optical properties of dissolved organic matter in the continuum soil solution-bog-river and terminal lake of a boreal watershed by ILINA, Svetlana M, DROZDOVA, Olga Yu, LAPITSKIY, Sergey A, ALEKHIN, Yuriy V, DEMIN, Vladimir V, ZAVGORODNYAYA, Yuliya A, SHIROKOVA, Liudmila S, VIERS, Jérôme, POKROVSKY, Oleg S

“…The size distribution and speciation of organic matter (OM) in soil solution, bog, stream, and humic and clearwater lake in the north boreal zone (Karelia…”
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Dissolved Iron and Organic Matter in Boreal Rivers across a South–North Transect by Alisa Aleshina, Maria-Anna Rusakova, Olga Y. Drozdova, Oleg S. Pokrovsky, Sergey A. Lapitskiy

“…Iron (Fe) is one of the main nutrients present in dissolved, suspended, and colloidal states in river water. Predicting the composition and size of dissolved…”
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Low biodegradability of dissolved organic matter and trace metals from subarctic waters by Oleinikova, Olga V., Shirokova, Liudmila S., Drozdova, Olga Y., Lapitskiy, Sergey A., Pokrovsky, Oleg S.

“…•Aquatic P. saponiphila and soil P. aureofaciens reacted with 7 organic substrates from subarctic settings•There was net adsorption of organic and…”
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Speciation, Size Fractionation and Transport of Trace Elements in the Continuum Soil Water–Mire–Humic Lake–River–Large Oligotrophic Lake of a Subarctic Watershed by Ilina, Svetlana M, Lapitskiy, Sergey A, Alekhin, Yuriy V, Viers, Jérôme, Benedetti, Marc, Pokrovsky, Oleg S

“…The concentration and size fractionation of major and trace elements (TEs) linked to organo-mineral colloids along the landscape gradient soil water–peat…”
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Impact of heterotrophic bacterium Pseudomonas aureofaciens on the release of major and trace elements from podzol soil into aqueous solution by Drozdova, Olga Yu, Shirokova, Liudmila S., Сarrein, Audrey, Lapitskiy, Sergey A., Pokrovsky, Oleg S.

“…The release of major and trace elements (TEs) from mineral and organic-rich podzol soil horizons has been studied in batch reactors with live and dead soil…”
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Dissolved organic matter degradation by sunlight coagulates organo-mineral colloids and produces low-molecular weight fraction of metals in boreal humic waters by Oleinikova, Olga V., Drozdova, Olga Yu, Lapitskiy, Sergey A., Demin, Vladimir V., Bychkov, Andrey Yu, Pokrovsky, Oleg S.

“…Photochemical degradation of dissolved organic matter (DOM) is recognized as the major driver of CO2 emission to the atmosphere from the inland waters of high…”
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Transformation of organo-ferric peat colloids by a heterotrophic bacterium by Oleinikova, Olga V., Shirokova, Liudmila S., Gérard, Emmanuele, Drozdova, Olga Yu, Lapitskiy, Sergey A., Bychkov, Andrey Yu, Pokrovsky, Oleg S.

“…•Heterotrophic bacterium processed colloids (3kDa–0.45µm) from peat leachate.•The relative change of different colloidal pools was <10%.•Trace metals adsorbed…”
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Iron isotope fractionation during bio- and photo-degradation of organo-ferric colloids in boreal humic waters by Oleinikova, Olga, Poitrasson, Franck, Drozdova, Olga, Shirokova, Liudmila, Lapitskiy, Sergey A, Pokrovsky, Oleg S

“…Bio-degradation and photolysis of dissolved organic matter (DOM) in boreal high-latitude waters are the two main factors controlling aquatic fluxes and…”
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