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Tritium in surface waters of the Yenisei River basin / A. Y. Bolsunovsky, L. G. Bondareva // Journal of Environmental Radioactivity. - 2003. - Vol. 66, Is. 3. - P285-294, DOI 10.1016/S0265-931X(02)00132-7 . - ISSN 0265-931X
Кл.слова (ненормированные):
Deep-well injection of radionuclides -- Nuclear reactor -- Surface and ground waters -- Tritium -- Yenisei River basin -- Cooling water -- Nuclear reactors -- Sediments -- Surface waters -- River basins -- Tritium -- carbon 14 -- surface water -- tritium -- groundwater -- nuclear power plant -- radioactive pollution -- surface water -- tritium -- article -- catchment -- measurement -- radioactive contamination -- river -- sediment -- Environmental Monitoring -- Geologic Sediments -- Mining -- Power Plants -- Reference Values -- Russia -- Tritium -- Water Pollutants, Radioactive -- Russian Federation -- Tritium
Аннотация: This paper reports an investigation of the tritium content in the surface waters of the Yenisei River basin near the Mining and Chemical Combine (MCC). In 2001 the maximum tritium concentration in the Yenisei River did not exceed 4 В± 1 Bq l-1, which is consistent with the data of 1998-99. However, it has been found that there are surface waters containing enhanced tritium as compared with the background values for the Yenisei River. For instance, in the Ploskii Stream and the Shumikha River the maximum tritium concentrations amount to 168 and 81 Bq l-1, respectively. The source of tritium in these surface waters is the last operating reactor at the MCC, which still uses the Yenisei water as coolant. In water and sediment samples of the Bolshaya Tel River (a tributary of the Yenisei River) the tritium content turned out to be at least 10 times higher than the background values for the Yenisei River. The measurements conducted at the RPA RADON (Moscow) revealed not only tritium but also the artificial radionuclide 14C in the Bolshaya Tel samples. The data obtained suggest that the Bolshaya Tel River receives the major part of tritium from sediments rather than from the water catchment area. This allows the conclusion that there is water exchange between the surface waters and the radioactively contaminated underground horizons of the "Severny" testing site. В© 2002 Elsevier Science Ltd. All rights reserved.

Scopus
Держатели документа:
Institute of Biophysics SB RAS, Akademgorodok, Krasnoyarsk 660036, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bolsunovsky, A.Y.; Bondareva, L.G.

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Tritium in surface waters of the Yenisei River basin [Text] / A. Y. Bolsunovsky, L. G. Bondareva // J. Environ. Radioact. - 2003. - Vol. 66, Is. 3. - P. 285-294, DOI 10.1016/S0265-931X(02)00132-7. - Cited References: 11 . - ISSN 0265-931X

РУБ Environmental Sciences

Кл.слова (ненормированные):
tritium -- Yenisei River basin -- surface and ground waters -- nuclear reactor -- deep-well injection of radionuclides
Аннотация: This paper reports an investigation of the tritium content in the surface waters of the Yenisei River basin near the Mining and Chemical Combine (MCC). In 2001 the maximum tritium concentration in the Yenisei River did not exceed 4 +/- 1 Bq l(-1), which is consistent with the data of 1998-99. However, it has been found that there are surface waters containing enhanced tritium as compared with the background values for the Yenisei River. For instance, in the Ploskii Stream and the Shumikha River the maximum tritium concentrations amount to 168 and 81 Bq l(-1), respectively. The source of tritium in these surface waters is the last operating reactor at the MCC, which still uses the Yenisei water as coolant. In water and sediment samples of the Bolshaya Tel River (a tributary of the Yenisei River) the tritium content turned out to be at least 10 times higher than the background values for the Yenisei River. The measurements conducted at the RPA RADON (Moscow) revealed not only tritium but also the artificial radionuclide C-14 in the Bolshaya Tel samples. The data obtained suggest that the Bolshaya Tel River receives the major part of tritium from sediments rather than from the water catchment area. This allows the conclusion that there is water exchange between the surface waters and the radioactively contaminated underground horizons of the "Severny" testing site. (C) 2002 Elsevier Science Ltd. All rights reserved.

WOS
Держатели документа:
RAS, SB, Inst Biophys, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Bolsunovsky, A.Y.; Bondareva, L.G.

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Geochemical Features of Annual Layers of Bottom Sediments of Freshwater Lakes, Studied via Synchrotron Radiation–Induced XRF Microanalysis / A. V. Darin [et al.] // Bull. Russ. Acad. Sci. Phys. - 2019. - Vol. 83, Is. 11. - P1437-1440, DOI 10.3103/S106287381911008X . - ISSN 1062-8738
Кл.слова (ненормированные):
Catchments -- Geochemistry -- Lakes -- Lithology -- Microanalysis -- Synchrotron radiation -- Synchrotrons -- Bottom sediments -- Extraterrestrial origin -- Fresh water lakes -- Geochemical features -- Geochemical indicators -- Lake sediments -- Layer boundaries -- Micro-particles -- Sediments
Аннотация: Abstract: The possibility of distinguishing layer boundaries through lithological and geochemical indicators (Rb/Sr ratio) is shown by a case study of bottom sediments from Lake Kucherlinskoe (Altai). Based on the data from scanning synchrotron radiation–induced XRF microanalysis and isotope studies, a record of the Tunguska event of 1908 is found in the bottom sediments of Lake Zapovednoye, forty kilometers from the explosion’s epicenter. An anomalous layer in the sediments is associated with an increase in the terrigenous drift in the catchment area due to massive forest outfall and subsequent fires. The possibility of a targeted search for microparticles of extraterrestrial origin in lake sediments is demonstrated. © 2019, Allerton Press, Inc.

Scopus,
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Держатели документа:
Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, of Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Tungusky State Nature Reserve, Vanavara, 648490, Russian Federation
Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Science, Novosibirsk, 630090, Russian Federation

Доп.точки доступа:
Darin, A. V.; Babich, V. V.; Kalugin, I. A.; Markovich, T. I.; Rogozin, D. Y.; Meidus, A. V.; Darin, F. A.; Rakshun, Y. V.; Sorokoletov, D. S.

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Traces of the Tunguska Event (1908) in Sediments of Zapovednoe Lake Based on SR–XRF Data / A. V. Darin, D. Y. Rogozin, A. V. Meydus [et al.] // Dokl. Earth Sci. - 2020. - Vol. 492, Is. 2. - P442-445, DOI 10.1134/S1028334X20060045 . - ISSN 1028-334X
Кл.слова (ненормированные):
lake sediments -- microelements -- synchrotron radiation (SR) -- Tunguska event 1908 -- X-ray fluorescent analysis (XRF) -- Catchments -- Chemical elements -- Fluorescence spectroscopy -- Lakes -- Synchrotron radiation -- Bottom sediments -- Extraterrestrial origin -- Micro-particles -- Sediment core -- Synchrotron radiation X-ray fluorescence -- Tunguska -- Water catchment -- Sediments -- chemical element -- explosion -- lacustrine deposit -- radionuclide -- sediment core -- terrigenous deposit -- wildfire -- Russian Federation -- Tunguska
Аннотация: Abstract: An anomalous layer enriched with chemical elements indicating the presence of terrigenous matter was discovered in the sediment core of Zapovednoe Lake located 60 km from the epicenter of the Tunguska event (1908) using synchrotron radiation X-ray fluorescence spectroscopy (SR–XRF). Radioisotope measurements indicate that the age of the layer is consistent with the date of the catastrophe. Apparently, the anomalous layer was formed as a result of an intense terrigenous matter inflow from the water catchment area due to massive forest falls and subsequent wildfires caused by the Tunguska event. Thus, it is established that targeted searches for microparticles of extraterrestrial origin can be carried out in the discovered and dated anomalous bottom sediment layer. © 2020, Pleiades Publishing, Ltd.

Scopus
Держатели документа:
Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Tungusskii State Nature Reserve, Krasnoyarsk, 648490, Russian Federation
Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
Kurchatov Institute National Research Center, Moscow, 123182, Russian Federation

Доп.точки доступа:
Darin, A. V.; Rogozin, D. Y.; Meydus, A. V.; Babich, V. V.; Kalugin, I. A.; Markovich, T. I.; Rakshun, Y. V.; Darin, F. A.; Sorokoletov, D. S.; Gogin, A. A.; Senin, R. A.; Degermendzhi, A. G.

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Traces of the Tunguska Event (1908) in Sediments of Zapovednoe Lake Based on SR-XRF Data / A. V. Darin, D. Y. Rogozin, A. V. Meydus [et al.] // Dokl. Earth Sci. - 2020. - Vol. 492, Is. 2. - P442-445, DOI 10.1134/S1028334X20060045. - Cited References:10. - This study was performed as a part of a State Assignment of the Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, and supported by the Russian Foundation for Basic Research, project nos. 19-04-00320 and 19-05-50046. This study was per-formed in the Shared Research Center "Siberian Synchrotron and Terahertz Radiation Center" on the basis of the VEPP-4-VEPP-2000 Electron-Positron Collider Complex of the Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, using equipment supported by project no. RFMEFI62119X0022. . - ISSN 1028-334X. - ISSN 1531-8354

РУБ Geosciences, Multidisciplinary

Кл.слова (ненормированные):
Tunguska event 1908 -- lake sediments -- X-ray fluorescent analysis (XRF) -- synchrotron radiation (SR) -- microelements
Аннотация: An anomalous layer enriched with chemical elements indicating the presence of terrigenous matter was discovered in the sediment core of Zapovednoe Lake located 60 km from the epicenter of the Tunguska event (1908) using synchrotron radiation X-ray fluorescence spectroscopy (SR-XRF). Radioisotope measurements indicate that the age of the layer is consistent with the date of the catastrophe. Apparently, the anomalous layer was formed as a result of an intense terrigenous matter inflow from the water catchment area due to massive forest falls and subsequent wildfires caused by the Tunguska event. Thus, it is established that targeted searches for microparticles of extraterrestrial origin can be carried out in the discovered and dated anomalous bottom sediment layer.

WOS
Держатели документа:
Russian Acad Sci, Sobolev Inst Geol & Mineral, Siberian Branch, Novosibirsk 630090, Russia.
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Tungusskii State Nat Reserve, Krasnoyarsk 648490, Russia.
Russian Acad Sci, Budker Inst Nucl Phys, Siberian Branch, Novosibirsk 630090, Russia.
Kurchatov Inst Natl Res Ctr, Moscow 123182, Russia.

Доп.точки доступа:
Darin, A., V; Rogozin, D. Yu; Meydus, A., V; Babich, V. V.; Kalugin, I. A.; Markovich, T., I; Rakshun, Ya, V; Darin, F. A.; Sorokoletov, D. S.; Gogin, A. A.; Senin, R. A.; Degermendzhi, A. G.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [19-04-00320, 19-05-50046]; Institute of Nuclear Physics, Siberian Branch, Russian Academy of SciencesRussian Academy of Sciences [RFMEFI62119X0022]

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Spatial and temporal variation in Arctic freshwater chemistry-Reflecting climate-induced landscape alterations and a changing template for biodiversity / B. J. Huser, M. N. Futter, D. Bogan [et al.] // Freshw. Biol. - 2020, DOI 10.1111/fwb.13645. - Cited References:98. - Environment and Climate Change Canada; Cumulative Impact Monitoring Program, Government of Northwest Territories . - Article in press. - ISSN 0046-5070. - ISSN 1365-2427

РУБ Ecology + Marine & Freshwater Biology
Рубрики:
DISSOLVED ORGANIC-CARBON
PERMAFROST THAW
CHEMICAL LIMNOLOGY
Кл.слова (ненормированные):
biogeochemistry -- eutrophication -- lakes -- oligotrophication -- rivers
Аннотация: Freshwater chemistry across the circumpolar region was characterised using a pan-Arctic data set from 1,032 lake and 482 river stations. Temporal trends were estimated for Early (1970-1985), Middle (1986-2000), and Late (2001-2015) periods. Spatial patterns were assessed using data collected since 2001. Alkalinity, pH, conductivity, sulfate, chloride, sodium, calcium, and magnesium (major ions) were generally higher in the northern-most Arctic regions than in the Near Arctic (southern-most) region. In particular, spatial patterns in pH, alkalinity, calcium, and magnesium appeared to reflect underlying geology, with more alkaline waters in the High Arctic and Sub Arctic, where sedimentary bedrock dominated. Carbon and nutrients displayed latitudinal trends, with lower levels of dissolved organic carbon (DOC), total nitrogen, and (to a lesser extent) total phosphorus (TP) in the High and Low Arctic than at lower latitudes. Significantly higher nutrient levels were observed in systems impacted by permafrost thaw slumps. Bulk temporal trends indicated that TP was higher during the Late period in the High Arctic, whereas it was lower in the Near Arctic. In contrast, DOC and total nitrogen were both lower during the Late period in the High Arctic sites. Major ion concentrations were higher in the Near, Sub, and Low Arctic during the Late period, but the opposite bulk trend was found in the High Arctic. Significant pan-Arctic temporal trends were detected for all variables, with the most prevalent being negative TP trends in the Near and Sub Arctic, and positive trends in the High and Low Arctic (mean trends ranged from +0.57%/year in the High/Low Arctic to -2.2%/year in the Near Arctic), indicating widespread nutrient enrichment at higher latitudes and oligotrophication at lower latitudes. The divergent P trends across regions may be explained by changes in deposition and climate, causing decreased catchment transport of P in the south (e.g. increased soil binding and trapping in terrestrial vegetation) and increased P availability in the north (deepening of the active layer of the permafrost and soil/sediment sloughing). Other changes in concentrations of major ions and DOC were consistent with projected effects of ongoing climate change. Given the ongoing warming across the Arctic, these region-specific changes are likely to have even greater effects on Arctic water quality, biota, ecosystem function and services, and human well-being in the future.

WOS
Держатели документа:
Swedish Univ Agr Sci, Dept Aquat Sci & Assessment, Box 7050, S-75007 Uppsala, Sweden.
Univ Alaska Anchorage, Alaska Ctr Conservat Sci, Anchorage, AK USA.
Norwegian Water Resources & Energy Directorate, Oslo, Norway.
Univ Oslo, Nat Hist Museum, Oslo, Norway.
Wilfrid Laurier Univ, Cold Regions Res Ctr, Waterloo, ON, Canada.
Russian Acad Sci, Siberian Branch, Inst Biophys, Krasnoyarsk, Russia.
Umea Univ, Climate Impacts Res Ctr, Dept Ecol & Environm Sci, Umea, Sweden.
Queens Univ, Dept Biol, Paleoecol Environm Assessment & Res Lab PEARL, Kingston, ON, Canada.
Norwegian Inst Nat Res, Oslo, Norway.
Univ New Brunswick, Canadian Rivers Inst, Fredericton, NB, Canada.
Univ New Brunswick, Dept Biol, Fredericton, NB, Canada.

Доп.точки доступа:
Huser, Brian J.; Futter, Martyn N.; Bogan, Daniel; Brittain, John E.; Culp, Joseph M.; Goedkoop, Willem; Gribovskaya, Iliada; Karlsson, Jan; Lau, Danny C. P.; Ruhland, Kathleen M.; Schartau, Ann Kristin; Shaftel, Rebecca; Smol, John P.; Vrede, Tobias; Lento, Jennifer; Environment and Climate Change Canada; Cumulative Impact Monitoring Program, Government of Northwest Territories

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Spatial and temporal variation in Arctic freshwater chemistry—Reflecting climate-induced landscape alterations and a changing template for biodiversity / B. J. Huser, M. N. Futter, D. Bogan [et al.] // Freshw. Biol. - 2020, DOI 10.1111/fwb.13645 . - Article in press. - ISSN 0046-5070
Кл.слова (ненормированные):
biogeochemistry -- eutrophication -- lakes -- oligotrophication -- rivers
Аннотация: Freshwater chemistry across the circumpolar region was characterised using a pan-Arctic data set from 1,032 lake and 482 river stations. Temporal trends were estimated for Early (1970–1985), Middle (1986–2000), and Late (2001–2015) periods. Spatial patterns were assessed using data collected since 2001. Alkalinity, pH, conductivity, sulfate, chloride, sodium, calcium, and magnesium (major ions) were generally higher in the northern-most Arctic regions than in the Near Arctic (southern-most) region. In particular, spatial patterns in pH, alkalinity, calcium, and magnesium appeared to reflect underlying geology, with more alkaline waters in the High Arctic and Sub Arctic, where sedimentary bedrock dominated. Carbon and nutrients displayed latitudinal trends, with lower levels of dissolved organic carbon (DOC), total nitrogen, and (to a lesser extent) total phosphorus (TP) in the High and Low Arctic than at lower latitudes. Significantly higher nutrient levels were observed in systems impacted by permafrost thaw slumps. Bulk temporal trends indicated that TP was higher during the Late period in the High Arctic, whereas it was lower in the Near Arctic. In contrast, DOC and total nitrogen were both lower during the Late period in the High Arctic sites. Major ion concentrations were higher in the Near, Sub, and Low Arctic during the Late period, but the opposite bulk trend was found in the High Arctic. Significant pan-Arctic temporal trends were detected for all variables, with the most prevalent being negative TP trends in the Near and Sub Arctic, and positive trends in the High and Low Arctic (mean trends ranged from +0.57%/year in the High/Low Arctic to ?2.2%/year in the Near Arctic), indicating widespread nutrient enrichment at higher latitudes and oligotrophication at lower latitudes. The divergent P trends across regions may be explained by changes in deposition and climate, causing decreased catchment transport of P in the south (e.g. increased soil binding and trapping in terrestrial vegetation) and increased P availability in the north (deepening of the active layer of the permafrost and soil/sediment sloughing). Other changes in concentrations of major ions and DOC were consistent with projected effects of ongoing climate change. Given the ongoing warming across the Arctic, these region-specific changes are likely to have even greater effects on Arctic water quality, biota, ecosystem function and services, and human well-being in the future. © 2020 The Authors. Freshwater Biology published by John Wiley & Sons Ltd.

Scopus
Держатели документа:
Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
Alaska Center for Conservation Science, University of Alaska Anchorage, Anchorage, AK, United States
Norwegian Water Resources & Energy Directorate, Oslo, Norway
Natural History Museum, University of Oslo, Oslo, Norway
Cold Regions Research Centre, Wilfrid Laurier University, Waterloo, ON, Canada
Institute of Biophysics, Siberian Branch of Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Department of Ecology and Environmental Science, Climate Impacts Research Centre, Umea University, Abisko, Sweden
Paleoecological Environmental Assessment and Research Laboratory (PEARL), Department of Biology, Queen’s University, Kingston, ON, Canada
Norwegian Institute for Nature Research, Oslo, Norway
Canadian Rivers Institute and Department of Biology, University of New Brunswick, Fredericton, NB, Canada

Доп.точки доступа:
Huser, B. J.; Futter, M. N.; Bogan, D.; Brittain, J. E.; Culp, J. M.; Goedkoop, W.; Gribovskaya, I.; Karlsson, J.; Lau, D. C.P.; Ruhland, K. M.; Schartau, A. K.; Shaftel, R.; Smol, J. P.; Vrede, T.; Lento, J.

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Hydrochemical Indicators of Water Quality in the Norilsk-Pyasino Lake-River System after a Diesel Fuel Spill at Norilsk Heat and Power Plant 3 in 2020 / D. M. Bezmaternykh, A. V. Puzanov, A. V. Kotovshchikov [et al.] // Contemp. Probl. Ecol. - 2021. - Vol. 14, Is. 4. - P323-334, DOI 10.1134/S1995425521040028. - Cited References:22 . - ISSN 1995-4255. - ISSN 1995-4263

РУБ Ecology

Кл.слова (ненормированные):
hydrochemistry -- water quality -- Pyasino River -- Lake Pyasino -- Norilsk -- diesel fuel
Аннотация: The results of a hydrochemical analysis of the consequences of an accidental fuel release in the Norilsk-Pyasino water system are presented. The pollution of watercourses in the catchment of Lake Pyasino (a nameless (Nadezhdinsky) creek, the Daldykan River, and the Ambarnaya River) with oil products, phenols, easily oxidizable and hard to oxidize organic matter (COD, PO, and BOD5), suspended solids, inorganic salts, and heavy metals at concentrations exceeding the background levels and MPC for fishery water bodies, as well as a temperature rise in waters of the nameless creek near Norilsk Heat and Power Plant 3 (CHPP-3), have been revealed. The contamination of the surface water decreases downstream in ascending order: nameless creek-Daldykan River-Ambarnaya River. The occurrence of oil products, phenols, and organic substances in the surface waters 2 months after the fuel spill is obviously due to their diffusion from the river bottom sediments, which accumulated a considerable quantity of heavy fractions of diesel fuel after the accident. Increased concentrations of Ca, Cu, Zn, Mn, Co, and Ni in the waters of the studied tributaries of Lake Pyasino are not directly related to the accident; they result from the general technogenic pollution of the territory and the increased geochemical background for these elements. Water contamination with oil products and phenols in the studied areas of Lake Pyasino (its central and northern parts) and the Pyasino River has not been detected. However, Pb concentrations exceed the MPC and Cd is recorded in the water, which is probably due to pollutants that accumulated in previous years.

WOS
Держатели документа:
Russian Acad Sci, Siberian Branch, Inst Water & Environm Problems, Barnaul 656038, Russia.
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Inst Biophys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Bezmaternykh, D. M.; Puzanov, A. V.; Kotovshchikov, A. V.; Drobotov, A. V.; Tolomeev, A. P.

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Hydrochemical Indicators of Water Quality in the Norilsk–Pyasino Lake–River System after a Diesel Fuel Spill at Norilsk Heat and Power Plant 3 in 2020 / D. M. Bezmaternykh, A. V. Puzanov, A. V. Kotovshchikov [et al.] // Contemp. Probl. Ecol. - 2021. - Vol. 14, Is. 4. - P323-334, DOI 10.1134/S1995425521040028 . - ISSN 1995-4255
Кл.слова (ненормированные):
diesel fuel -- hydrochemistry -- Lake Pyasino -- Norilsk -- Pyasino River -- water quality
Аннотация: Abstract: The results of a hydrochemical analysis of the consequences of an accidental fuel release in the Norilsk–Pyasino water system are presented. The pollution of watercourses in the catchment of Lake Pyasino (a nameless (Nadezhdinsky) creek, the Daldykan River, and the Ambarnaya River) with oil products, phenols, easily oxidizable and hard to oxidize organic matter (COD, PO, and BOD5), suspended solids, inorganic salts, and heavy metals at concentrations exceeding the background levels and MPC for fishery water bodies, as well as a temperature rise in waters of the nameless creek near Norilsk Heat and Power Plant 3 (CHPP-3), have been revealed. The contamination of the surface water decreases downstream in ascending order: nameless creek–Daldykan River–Ambarnaya River. The occurrence of oil products, phenols, and organic substances in the surface waters 2 months after the fuel spill is obviously due to their diffusion from the river bottom sediments, which accumulated a considerable quantity of heavy fractions of diesel fuel after the accident. Increased concentrations of Ca, Cu, Zn, Mn, Co, and Ni in the waters of the studied tributaries of Lake Pyasino are not directly related to the accident; they result from the general technogenic pollution of the territory and the increased geochemical background for these elements. Water contamination with oil products and phenols in the studied areas of Lake Pyasino (its central and northern parts) and the Pyasino River has not been detected. However, Pb concentrations exceed the MPC and Cd is recorded in the water, which is probably due to pollutants that accumulated in previous years. © 2021, Pleiades Publishing, Ltd.

Scopus
Держатели документа:
Institute for Water and Environmental Problems, Siberian Branch, Russian Academy of Sciences, Barnaul, 656038, Russian Federation
Institute of Biophysics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Bezmaternykh, D. M.; Puzanov, A. V.; Kotovshchikov, A. V.; Drobotov, A. V.; Tolomeev, A. P.

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