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Journal articles on the topic 'Watershed of the Lena River'

Author: Grafiati

Published: 3 June 2025

Last updated: 20 July 2025

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1

Vorobyev, Sergey N., Yuri Kolesnichenko, Mikhail A. Korets, and Oleg S. Pokrovsky. "Testing Landscape, Climate and Lithology Impact on Carbon, Major and Trace Elements of the Lena River and Its Tributaries during a Spring Flood Period." Water 13, no. 15 (2021): 2093. http://dx.doi.org/10.3390/w13152093.

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Transport of carbon, major and trace elements by rivers in permafrost-affected regions is one of the key factors in circumpolar aquatic ecosystem response to climate warming and permafrost thaw. A snap-shot study of major and trace element concentration in the Lena River basin during the peak of spring flood revealed a specific group of solutes according to their spatial pattern across the river main stem and tributaries and allowed the establishment of a link to certain landscape parameters. We demonstrate a systematic decrease of labile major and trace anion, alkali and alkaline-earth metal

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Oleg, P. Yermolaev Kirill A. Maltsev Nurgul S. Sihanova Yerlan A. Shynbergenov. "QUANTITATIVE ASSESSMENT OF POTENTIAL SOIL EROSION IN THE EASTERN SIBERIA REGION (USING THE EXAMPLE OF THE MARKHA RIVER BASIN)." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 09 (2018): 9328–33. https://doi.org/10.5281/zenodo.1439336.

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<em>The paper presents the results of estimations of potential soil erosion in the basins of the small rivers of the Markha River watershed (the Lena River basin), using geoinformation technologies. The creation of specialized geoinformation database and GIS for the basins of small rivers of the Arctic watershed of the Asian part of Russia is considered in detail, in the scale 1: 1,000,000, adopted for the research, corresponding to the regional level of spatial detail. The source materials for filling the geodatabase were the following: digital model of relief (the unit of regular raster grid

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Yermolaev, Oleg, Yerlan Shynbergenov, and Svetlana Mukharamova. "Geoinformation system “River Basins of russia”." InterCarto. InterGIS 29, no. 1 (2023): 546–59. http://dx.doi.org/10.35595/2414-9179-2023-1-29-546-559.

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An electronic map of basin geosystems of small rivers has been created for almost the entire mainland of Russia. The form of representation is a vector layer of polygonal objects; spatial detail corresponds to the regional level of generalization (scale 1:1 000 000). The research was performed in three stages: 1) The European Part of Russia (with the exception of the Crimea and the Kaliningrad region); 2) The Arctic watershed area of the Asian Part of Russia; 3) The Pacific watershed area (Far Eastern Federal District). In total, over 388 000 objects (basins) have been allocated with an averag

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4

Vorobyev, Sergey N., Jan Karlsson, Yuri Y. Kolesnichenko, Mikhail A. Korets, and Oleg S. Pokrovsky. "Fluvial carbon dioxide emission from the Lena River basin during the spring flood." Biogeosciences 18, no. 17 (2021): 4919–36. http://dx.doi.org/10.5194/bg-18-4919-2021.

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Abstract. Greenhouse gas (GHG) emission from inland waters of permafrost-affected regions is one of the key factors of circumpolar aquatic ecosystem response to climate warming and permafrost thaw. Riverine systems of central and eastern Siberia contribute a significant part of the water and carbon (C) export to the Arctic Ocean, yet their C exchange with the atmosphere remains poorly known due to lack of in situ GHG concentration and emission estimates. Here we present the results of continuous in situ pCO2 measurements over a 2600 km transect of the Lena River main stem and lower reaches of

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Schulting, Rick J., Christopher Bronk Ramsey, Vladimir I. Bazaliiskii, and Andrzej Weber. "Highly Variable Freshwater Reservoir Offsets Found along the Upper Lena Watershed, Cis-Baikal, Southeast Siberia." Radiocarbon 57, no. 4 (2015): 581–93. http://dx.doi.org/10.2458/azu_rc.57.18458.

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A program of paired dating of human and faunal remains on a sample of 11 prehistoric (Mesolithic/Neolithic to Early Bronze Age) graves in the Upper Lena basin, southeast Siberia, was initiated to investigate the freshwater reservoir effect (FRE). The results show the presence of a substantial but highly variable offset, ranging from 255 to 101014C yr. In contrast to previous studies centered on Lake Baikal and the Angara River, human stable nitrogen isotope values show little or no correlation with the radiocarbon offset, despite the clear trophic differences seen in δ15N between terrestrial a

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6

Semiletov, I. P., I. I. Pipko, N. E. Shakhova, et al. "Carbon transport by the Lena River from its headwaters to the Arctic Ocean, with emphasis on fluvial input of terrestrial particulate organic carbon vs. carbon transport by coastal erosion." Biogeosciences 8, no. 9 (2011): 2407–26. http://dx.doi.org/10.5194/bg-8-2407-2011.

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Abstract. The Lena River integrates biogeochemical signals from its vast drainage basin, and the integrated signal reaches far out over the Arctic Ocean. Transformation of riverine organic carbon (OC) into mineral carbon, and mineral carbon into the organic form in the Lena River watershed, can be considered to be quasi-steady-state processes. An increase in Lena discharge exerts opposite effects on total organic (TOC) and total inorganic (TCO2) carbon: TOC concentration increases, while TCO2 concentration decreases. Significant inter-annual variability in mean values of TCO2, TOC, and their s

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7

Semiletov, I. P., I. I. Pipko, N. E. Shakhova, et al. "On the biogeochemical signature of the Lena River from its headwaters to the Arctic Ocean." Biogeosciences Discussions 8, no. 2 (2011): 2093–143. http://dx.doi.org/10.5194/bgd-8-2093-2011.

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Abstract. The Lena River integrates biogeochemical signals from its vast drainage basin and its signal reaches far out over the Arctic Ocean. Transformation of riverine organic carbon into mineral carbon, and mineral carbon into the organic form in the Lena River watershed, can be considered a quasi-equilibrated processes. Increasing the Lena discharge causes opposite effects on total organic (TOC) and inorganic (TCO2) carbon: TOC concentration increases, while TCO2 concentration decreases. Significant inter-annual variability in mean values of TCO2, TOC, and their sum (TC) has been found. Thi

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8

Suzuki, Kazuyoshi, Eiichi Konohira, Yusuke Yamazaki, Jumpei Kubota, Tetsuo Ohata, and Valery Vuglinsky. "Transport of organic carbon from the Mogot Experimental Watershed in the southern mountainous taiga of eastern Siberia." Hydrology Research 37, no. 3 (2006): 303–12. http://dx.doi.org/10.2166/nh.2006.015.

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More than 60% of river runoff from the Lena River basin originates in the southern mountainous region of eastern Siberia within the permafrost zone. We studied the transport of dissolved organic carbon (DOC) and particulate organic carbon (POC) within the Mogot Experimental Watershed, which is close to the drainage divide between the Lena and Amur River basins in the southern mountainous taiga region, from 1 August 2000 to 12 November 2001. DOC concentration was strongly related to thawing depth at the bottom of the main valley when thawing depth was less than 20 cm during snowmelt runoff. Whe

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FUSARO, ABIGAIL J., BRUCE McCULLOCH, SALLY PETRELLA, and VELON WILLIS. "Discovery, dispersal, and genetic diversity of Rhyacophila lobifera Betten, 1934 (Trichoptera: Rhyacophilidae) in southeast Michigan, USA." Zoosymposia 14, no. 1 (2019): 177–88. http://dx.doi.org/10.11646/zoosymposia.14.1.19.

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Rhyacophila lobifera Betten, 1934 has been previously documented in the upper Midwest states of Ohio, Indiana, and Illinois, and the province of Ontario. Here we report on the diversity of this species in the Rouge and Huron River watersheds using DNA barcode-verified identifications to confirm the first known Michigan record of this species, with collection from the lower Rouge River in 2003 and again in 2008. Since first detection, we document that the range of R. lobifera in the Rouge River watershed has expanded to include at least one additional site on the Lower Branch and five sites on

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10

Pertiwi, Avi Putri, Achim Roth, Timo Schaffhauser, et al. "Monitoring the Spring Flood in Lena Delta with Hydrodynamic Modeling Based on SAR Satellite Products." Remote Sensing 13, no. 22 (2021): 4695. http://dx.doi.org/10.3390/rs13224695.

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Due to the remote location and the extreme climate, monitoring stations in Arctic rivers such as Lena in Siberia have been decreasing through time. Every year, after a long harsh winter, the accumulated snow on the Lena watershed melts, leading to the major annual spring flood event causing heavy transport of sediments, organic carbon, and trace metals, both into as well as within the delta. This study aims to analyze the hydrodynamic processes of the spring flood taking place every year in the Lena Delta. Thus, a combination of remote sensing techniques and hydrodynamic modeling methodologies

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11

Murphy, Melissa J., Don Porcelli, Philip A. E. Pogge von Strandmann, et al. "Tracing silicate weathering processes in the permafrost-dominated Lena River watershed using lithium isotopes." Geochimica et Cosmochimica Acta 245 (January 2019): 154–71. http://dx.doi.org/10.1016/j.gca.2018.10.024.

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12

Reshetnyak, O. S., and A. A. Kovalenko. "Long-Term Trends of Organic Matter Runoff From Large Siberian Rivers Watersheds." Geographical Environment and Living Systems, no. 3 (January 13, 2024): 26–43. https://doi.org/10.18384/2712-7621-2023-3-26-43.

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Aim. To evaluate the dynamics and load level of dissolved organic matter (DOM) runoff in the river-mouth sections of large Siberian rivers.Methodology. To calculate the values of chemical runoff, long-term hydrological and hydrochemical information for the period from 1990 to 2020 were used. The dynamics of the organic matter (OM) runoff (including oil products) is considered. A comparative assessment of the runoff of DOM was carried out according to the specific characteristic – the module of chemical runoff – for the mouth sections of such rivers as the Ob, the Pur, the Taz, the Nadym, the Y

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13

Huang, Jue, Ming Wu, Tingwei Cui, and Fanlin Yang. "Quantifying DOC and Its Controlling Factors in Major Arctic Rivers during Ice-Free Conditions using Sentinel-2 Data." Remote Sensing 11, no. 24 (2019): 2904. http://dx.doi.org/10.3390/rs11242904.

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The six largest Arctic rivers (Yenisey, Lena, Ob’, Kolyma, Yukon, and Mackenzie) drain the organic-rich Arctic watersheds and serve as important pools in the global carbon cycle. Satellite remote sensing data are considered to be a necessary supplement to the ground-based monitoring of riverine organic matter circulation, especially for the ice-free periods in high-latitudes. In this study, we propose a remote sensing retrieval algorithm to obtain the chromophoric dissolved organic matter (CDOM) levels of the six largest Arctic rivers using Sentinel-2 images from 2016 to 2018. These CDOM resul

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14

Andreeva, L. V., D. G. Seleznev, P. G. Garibian, and A. A. Kotov. "Local Faunistic Association of the Water Fleas (Crustacea: Cladocera) in the Water Bodies of Left Bank of the Lena River near Town of Yakutsk and Its Vicinities (Yakutia Russia)." Биология внутренних вод, no. 5 (September 1, 2023): 577–89. http://dx.doi.org/10.31857/s0320965223050029.

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In this study, we investigated a species composition of the water fleas (Crustacea: Cladocera) in the water bodies of the left bank of the Lena River near Yakutsk and its vicinities. Local faunistic associations characteristics of this region were identified using a statistical approach based on the binomial distribution function. As a result of the study, 68 taxa were identified and eight very distinct groups of taxa constituting the cores of local faunistic associations of the branchiopod crustaceans in various water bodies and/or various biotopes within one water body were drawn out. We hav

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15

Kopyrina, L. I. "Macrophyte composition and species diversity of epiphyton in the lakes of Tuimaada Valley (Middle Lena River watershed area)." Inland Water Biology 7, no. 4 (2014): 366–71. http://dx.doi.org/10.1134/s1995082914040087.

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16

Kattsov, Vladimir M., John E. Walsh, William L. Chapman, Veronika A. Govorkova, Tatyana V. Pavlova, and Xiangdong Zhang. "Simulation and Projection of Arctic Freshwater Budget Components by the IPCC AR4 Global Climate Models." Journal of Hydrometeorology 8, no. 3 (2007): 571–89. http://dx.doi.org/10.1175/jhm575.1.

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Abstract The state-of-the-art AOGCM simulations have recently (late 2004–early 2005) been completed for the Intergovernmental Panel on Climate Change (IPCC) in order to provide input to the IPCC’s Fourth Assessment Report (AR4). The present paper synthesizes the new simulations of both the twentieth- and twenty-first-century arctic freshwater budget components for use in the IPCC AR4, and attempts to determine whether demonstrable progress has been achieved since the late 1990s. Precipitation and its difference with evapotranspiration are addressed over the Arctic Ocean and its terrestrial wat

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17

Abbas, Ardi, Tesri Maideliza, Alfitri, and Fendi Agus Syahputra. "Minangkabau local wisdom: The philosophy of aua jo tabiang sanda basanda in disaster mitigation along the watershed (DAS)." E3S Web of Conferences 604 (2025): 02006. https://doi.org/10.1051/e3sconf/202560402006.

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The number of events and losses due to disasters along the West Sumatra Watershed in 2022 is large. Damage to roads, bridges and other buildings has caused many material and non-material losses. If material losses can be calculated clearly, carefully, the components of the loss and set the numbers. Non- material losses tend to be greater because many aspects of life are interrelated. Data on the number of rivers in regencies and cities in West Sumatra are also numerous and further increase the potential for disaster damage. Meanwhile, Minangkabau local wisdom, known as the philosophy of aua jo

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18

Fousiya and Anu Varughese. "Impact Analysis of Conservation Structures and Climate Change on Streamflow of Thuthapuzha Watershed, Kerala." International Journal of Environment and Climate Change 13, no. 3 (2023): 243–56. http://dx.doi.org/10.9734/ijecc/2023/v13i31704.

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Hydrological models are increasingly being used to assess how climate change and watershed management practices affect the hydrological processes. In this research, SWAT model was used to analyse the impact of water conservation structures and climate change on streamflow of Thuthapuzha watershed, subbasin of Bharathapuzha located in Kerala, India. Major conservation practices in the study area were modelled as ponds and Kanjirapuzha reservoir was modelled as dam. The impact of conservation structures on streamflow was evaluated and found that monthly streamflow increased during summer season

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19

Ahmed, Roxanne, Terry Prowse, Yonas Dibike, Barrie Bonsal, and Hayley O’Neil. "Recent Trends in Freshwater Influx to the Arctic Ocean from Four Major Arctic-Draining Rivers." Water 12, no. 4 (2020): 1189. http://dx.doi.org/10.3390/w12041189.

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Runoff from Arctic rivers constitutes a major freshwater influx to the Arctic Ocean. In these nival-dominated river systems, the majority of annual discharge is released during the spring snowmelt period. The circulation regime of the salinity-stratified Arctic Ocean is connected to global earth–ocean dynamics through thermohaline circulation; hence, variability in freshwater input from the Arctic flowing rivers has important implications for the global climate system. Daily discharge data from each of the four largest Arctic-draining river watersheds (Mackenzie, Ob, Lena and Yenisei; herein r

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20

Mann, Paul J., Jens Strauss, Juri Palmtag, et al. "Degrading permafrost river catchments and their impact on Arctic Ocean nearshore processes." Ambio 51, no. 2 (2021): 439–55. http://dx.doi.org/10.1007/s13280-021-01666-z.

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AbstractArctic warming is causing ancient perennially frozen ground (permafrost) to thaw, resulting in ground collapse, and reshaping of landscapes. This threatens Arctic peoples' infrastructure, cultural sites, and land-based natural resources. Terrestrial permafrost thaw and ongoing intensification of hydrological cycles also enhance the amount and alter the type of organic carbon (OC) delivered from land to Arctic nearshore environments. These changes may affect coastal processes, food web dynamics and marine resources on which many traditional ways of life rely. Here, we examine how future

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21

Gustafsson, Ö., B. E. van Dongen, J. E. Vonk, O. V. Dudarev, and I. P. Semiletov. "Widespread release of old carbon across the Siberian Arctic echoed by its large rivers." Biogeosciences Discussions 8, no. 1 (2011): 1445–61. http://dx.doi.org/10.5194/bgd-8-1445-2011.

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Abstract. Over decadal-centennial timescales, only a few mechanisms in the carbon-climate system could cause a massive net redistribution of carbon from land and ocean systems to the atmosphere in response to climate warming. The largest such climate-vulnerable carbon pool is the old organic carbon (OC) stored in Arctic permafrost (perennially frozen) soils. Climate warming, both predicted and now observed to be the strongest globally in the Eurasian Arctic and Alaska, caused thaw-release of old permafrost carbon from local tundra sites. However, a central challenge for the assessment of the g

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Bowring, Simon P. K., Ronny Lauerwald, Bertrand Guenet, et al. "ORCHIDEE MICT-LEAK (r5459), a global model for the production, transport, and transformation of dissolved organic carbon from Arctic permafrost regions – Part 2: Model evaluation over the Lena River basin." Geoscientific Model Development 13, no. 2 (2020): 507–20. http://dx.doi.org/10.5194/gmd-13-507-2020.

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Abstract. In this second part of a two-part study, we performed a simulation of the carbon and water budget of the Lena catchment with the land surface model ORCHIDEE MICT-LEAK, enabled to simulate dissolved organic carbon (DOC) production in soils and its transport and fate in high-latitude inland waters. The model results are evaluated for their ability to reproduce the fluxes of DOC and carbon dioxide (CO2) along the soil–inland-water continuum and the exchange of CO2 with the atmosphere, including the evasion outgassing of CO2 from inland waters. We present simulation results over the year

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23

Winkelbauer, Susanna, Michael Mayer, Vanessa Seitner, Ervin Zsoter, Hao Zuo, and Leopold Haimberger. "Diagnostic evaluation of river discharge into the Arctic Ocean and its impact on oceanic volume transports." Hydrology and Earth System Sciences 26, no. 2 (2022): 279–304. http://dx.doi.org/10.5194/hess-26-279-2022.

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Abstract. This study analyses river discharge into the Arctic Ocean using state-of-the-art reanalyses such as the fifth-generation European Reanalysis (ERA5) and the reanalysis component from the Global Flood Awareness System (GloFAS). GloFAS, in its operational version 2.1, combines the land surface model (Hydrology Tiled European Centre for Medium-Range Weather Forecasts – ECMWF – Scheme for Surface Exchanges over Land, HTESSEL) from ECMWF’s ERA5 with a hydrological and channel routing model (LISFLOOD). Furthermore, we analyse GloFAS' most recent version 3.1, which is not coupled to HTESSEL

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Shadrina, E. G. "The ways of penetration and prospects of invasion of the Asian badger <i>Meles leucurus</i> Hodgson 1847 (Carnivora, Mustelidae) into the territory of Yakutia." Arctic and Subarctic Natural Resources 29, no. 2 (2024): 268–76. http://dx.doi.org/10.31242/2618-9712-2024-29-2-268-276.

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Two cases of the Asian badger findings in the territory of the South-Western Yakutia in 2000s were discussed, as well as the possibility of this species penetration into the taiga ecosystems of Yakutia. The findings were made in the Lena River valley and its left tributary, the Nyuya River. The most remote site is on the right side of the Lena River, over700 km downstream from the northernmost site where the species is reliably known to inhabit in the Lena River valley, and 300 km from the previous finding site in Yakutia (in the mid-20th century). The second site is located 80 km to the north

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Sayenko, E. M., та A. V. Rasshchepkina. "Первые находки беззубки Anodonta anatina (Linnaeus, 1758) (Unionidae, Bivalvia) в р. Синяя - бассейн р. Лена, Саха (Якутия)". Bulletin of the North-East Science Center, № 2 (28 червня 2024): 89–94. http://dx.doi.org/10.34078/1814-0998-2024-2-89-94.

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The first data on the freshwater bivalve mollusks Anodonta anatina (Linnaeus, 1758) in the Sinyaya River, the left tributary of the Lena River, found within the Sinyaya Pillars natural park, are presented. The information on the species occurrence in the Lena River basin in the Sakha Republic (Yakutia) is generalized.

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Dzhamalov, R. G. "Analysis of seasonal changes in the hydrochemical fl w of rivers in the Lena basin." Priroda, no. 6 (1306) (2024): 33. http://dx.doi.org/10.7868/s0032874x24060033.

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The assessment of modern hydrochemical runoff and the identification of spatiotemporal seasonal changes of the chemical composition of the rivers of the Lena river basin in recent years has been carried out. The data of the spatial and temporal variability of the content of the most informative hydrochemical components of river waters in the Lena river basin for two periods (2010-2014 and 2015-2020) were processed and analyzed. The assessment of the hydrochemical flow of the rivers of the Lena basin made it possible to consider in more detail its formation and transformation in longterm and se

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Bussmann, I. "Distribution of methane in the Lena Delta and Buor Khaya Bay, Russia." Biogeosciences Discussions 9, no. 11 (2012): 16213–37. http://dx.doi.org/10.5194/bgd-9-16213-2012.

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Abstract. The Lena River is one of the largest Russian rivers draining into the Laptev Sea. The permafrost areas surrounding the Lena are predicted to melt at increasing rates due to global temperature increases. With this melting, large amounts of carbon – either organic or as methane – will reach the waters of the Lena and the adjacent Buor Khaya Bay (Laptev Sea). Methane concentrations and the isotopic signal of methane in the waters of the Lena Delta and estuary were monitored from 2008 to 2010. Meltwater run-off of permafrost soils produced hotspots for methane input into the river system

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Imaeva, L. P., G. S. Gusev, and V. S. Imaev. "Dynamics of the relief and sesmotectonic activity of the modern structures in the delta of the river lena." Геотектоника, no. 5 (September 6, 2019): 62–77. http://dx.doi.org/10.31857/s0016-853x2019562-77.

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This paper presents seismogeodynamic analysis of modern structures located in the Lena river delta. These structures are key elements in the tectonic evolution of the shelf–continent transition zone in the Arctic segment of the boundary between the Eurasian and North American lithospheric plates. The geological structure of the Lena river delta is predetermined by the junction of the ancient Siberian platform and the Mesozoic Laptev Sea plate. These two large geoblocks of the crust, which differ in age, are separated by a fragment of the Kharaulakh segment of the Verkhoyansk fold system. In ou

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Kalugin, Andrey. "Future Climate-Driven Runoff Change in the Large River Basins in Eastern Siberia and the Far East Using Process-Based Hydrological Models." Water 14, no. 4 (2022): 609. http://dx.doi.org/10.3390/w14040609.

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The main goal of this study was to obtain new results on the physically based future hydrological consequences of climate change in the Amur, Lena, and Selenga River basins by using data from an ensemble of global climate (general circulation) models (GCMs) as boundary conditions in spatially distributed, process-based runoff formation models. This approach provides a basis for a more detailed comparison of the sensitivity of hydrological systems of neighboring large river basins in Eastern Siberia and the Far East. The greatest increases in annual flow are predicted for the Lena River under R

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Tananaev, N. I., A. G. Georgiadi, and V. V. Fofonova. "Revising contemporary heat flux estimates for the Lena River, Northern Eurasia." Hydrology Research 50, no. 5 (2019): 1440–52. http://dx.doi.org/10.2166/nh.2019.062.

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Abstract The Lena River (Lena R.) heat flux affects the Laptev Sea hydrology. Published long-term estimates range from 14.0 to 15.7 EJ·a−1, based on data from Kyusyur, at the river outlet. A novel daily stream temperature (Tw) dataset was used to evaluate contemporary Lena R. heat flux, which is 16.4 ± 2.7 EJ·a−1 (2002–2011), confirming upward trends in both Tw and water runoff. Our field data from Kyusyur, however, reveal a significant negative bias, −0.8 °C in our observations, in observed Tw values from Kyusyur compared to the cross-section average Tw. Minor Lena R. tributaries discharge co

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Yuriev, A. L., V. P. Samusenok, A. I. Vokin, G. B. Hludnev, and A. N. Matveev. "Biology of Perch in Upper Lena Basin." Bulletin of Irkutsk State University. Series Biology. Ecology 43 (2023): 16–38. http://dx.doi.org/10.26516/2073-3372.2023.43.16.

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Lena River is the largest watercourse in Eastern Siberia. The upper reaches of the river, 1600 km long, starts from the source to the mouth of the Vitim River. We collected data on perch biology in different seasons: in the Lena River in the section from the mouth of the Tutura River (right tributary 3,812 km from the mouth) to the mouth of the Ichora River (left tributary 2,973 km from the mouth) in different seasons from 2007 to 2022; in the Kuta 10-km section from 10 to 20 km from the river mouth in August 2011; Kirenga River from the mouth of the Marekta Brook (400 km from the mouth) to th

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Karpova, L. N., E. V. Mikodina, and G. I. Ruban. "Biological Characteristics of Taimen <i>Hucho taimen</i> from Left Tributaries of Lower Lena River." Биология внутренних вод, no. 3 (May 1, 2023): 363–71. http://dx.doi.org/10.31857/s0320965223030129.

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Age composition and fecundity of taimen Hucho taimen (Pallas, 1773) spawners at spawning grounds located in left tributaries of the Lena River (Muna and Motorchuna rivers) analyzed. Spawning season take place during May–June. Spawners age varies from 8 to 17 years. Absolute fecundity of taimen from Muna and Motorchuna rivers is more than in taimen from western part of species range, and smaller than in populations from eastern part of range. Taimen individuals from river under study are part of large population of the species in the Lena River. They forage and overwinter in the Lena River and

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Minkovskaya, R. Ya. "Features of Formation of the Lena Polynya on the Estuarine Coast of the Bykovsky Arm in the Summer." Океанология 63, no. 3 (2023): 345–61. http://dx.doi.org/10.31857/s0030157423020089.

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Based on the results of the global oceanic reanalysis (GLORYS12.v.1), materials of hydrometeorological observations of the Roshydromet network in the Laptev Sea and the mouth of the Lena River, reviews of the ice processes in the Arctic Ocean by the Arctic and Antarctic Research Institute, this paper considers the features of the evolution of the Lena Polynya on the estuarine coast of the Bykovsky Arm in the warm period 1993–2019. The relationship between the timing of the formation of a polynya on the seashore of this arm with the dates of the beginning of the flood at the top of the Lena Riv

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Bussmann, I. "Distribution of methane in the Lena Delta and Buor-Khaya Bay, Russia." Biogeosciences 10, no. 7 (2013): 4641–52. http://dx.doi.org/10.5194/bg-10-4641-2013.

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Abstract. The Lena River is one of the largest Russian rivers draining into the Laptev Sea. The permafrost areas surrounding the Lena are predicted to thaw at increasing rates due to global temperature increases. With this thawing, large amounts of carbon – either organic or in the gaseous forms carbon dioxide and methane – will reach the waters of the Lena and the adjacent Buor-Khaya Bay (Laptev Sea). Methane concentrations and the isotopic signal of methane in the waters of the Lena Delta and estuary were monitored from 2008 to 2010. Creeks draining from permafrost soils produced hotspots fo

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Chalov, Sergey, and Kristina Prokopeva. "Sedimentation and Erosion Patterns of the Lena River Anabranching Channel." Water 14, no. 23 (2022): 3845. http://dx.doi.org/10.3390/w14233845.

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Lena River is one of the largest “pristine” undammed river systems in the World. In the middle and low (including delta) 1500 km course of the Lena main stem river forms complex anabranching patterns which are affected by continuous permafrost, degradation of the frozen ground and changes in vegetation (taiga and tundra). This study provides a high-resolution assessment of sediment behavior along this reach. Comprehensive hydrological field studies along the anabranching channel located in the middle, low and delta courses of the Lena River were performed from 2016 to 2022 including acoustic D

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Fedorova, Irina, Roman Zdorovennov, Galina Zdorovennova, and Aleksei Aksenov. "Ice-covering hydrological and hydrochemical investigations on the Lena River delta." E3S Web of Conferences 163 (2020): 05003. http://dx.doi.org/10.1051/e3sconf/202016305003.

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The study reported here was conducted on the channels of the Lena River delta in April 2019. The water temperature, specific conductivity, dissolved oxygen, PAR fluxes, and currents were measured on the cross-sections in the Olenekskaya and Bykovskaya channels, as well as in the main channel of the Lena River near Samoilov Island using the multiparameter probes CTD-48M, CTD-90M and RBR-Concerto. An analysis of the data showed that the water in the channels of the Lena River delta in winter is well saturated with oxygen (4.9-6.3 ml/l), has a very low temperature (from -0.1°C to +0.8°C). The spe

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Fedorova, I., A. Chetverova, D. Bolshiyanov, et al. "Lena Delta hydrology and geochemistry." Biogeosciences Discussions 10, no. 12 (2013): 20179–237. http://dx.doi.org/10.5194/bgd-10-20179-2013.

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Abstract. The Lena River forms one of the largest deltas in the Arctic; studying this delta has raised many questions regarding processes that occur there that remain open today. Comparing long-term hydrometric observational data of Russian Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) from the Khabarova polar station, located at the head of the delta not far from where the Lena River divides into its main branches, with field observations, which have been carried out since 2002 revealed new insights into the hydrological, hydrochemical, and geochemical proces

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Barinova, S. S., V. A. Gabyshev, A. P. Ivanova, and O. I. Gabysheva. "Bioindication of the water salinity dynamics by the microalgae communities in the Lena River Delta, Laptev Sea, Russian Arctic." Marine Biological Journal 6, no. 3 (2021): 15–28. http://dx.doi.org/10.21072/mbj.2021.06.3.02.

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The Lena River in the Laptev Sea forms a vast delta, one of the largest in the world. The Ust-Lensky State Nature Reserve saves biodiversity on the Lena Delta territory beyond the Arctic Circle, in the zone of continuous permafrost. In recent years, large-scale plans for the development of extractive industries are implemented in this Russian Arctic sector. In this regard, the study of biodiversity and bioindication properties of aquatic organisms in the Lena River estuary area is becoming more and more relevant. This study aims to identify the species composition of microalgae in lotic and le

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Ma, Xieyao, Tetsuzo Yasunari, Tetsuo Ohata, and Yoshihiro Fukushima. "The influence of river ice on spring runoff in the Lena river, Siberia." Annals of Glaciology 40 (2005): 123–27. http://dx.doi.org/10.3189/172756405781813744.

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AbstractThe Lena river is one of the four largest rivers flowing into the Arctic Ocean. It has a complicated hydrological system that is affected not only by the amount of precipitation but also by the timing of ice break-up. To determine the mechanisms of runoff formation, a numerical analysis based on modeling was carried out for the period 1986–2000. The results show that (1) the timing of flood rise and peak can be modeled at Tabaga, which represents the upper and central portions of the Lena river; (2) river-freeze processes delay the spring, snowmelt-dominated flood by about 23 days; and

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Дроздова, А. Н. "Оптические свойства растворенного органического вещества поверхностного слоя воды моря Лаптевых". Журнал технической физики 126, № 3 (2019): 383. http://dx.doi.org/10.21883/os.2019.03.47382.309-18.

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AbstractFeatures of fluorescence of humic compounds transported by the Lena River runoff in September 2015 are considered. The change in optical properties of dissolved organic matter, namely, fluorescence spectra and absorption coefficients at a wavelength of 350 nm, on the transect from the Lena River delta to the continental slope is demonstrated. For humic compounds of terrigenous origin, the position of the fluorescence maximum has been determined at excitation wavelengths of 270, 310, and 355 nm. It has been shown that fresh riverine waters of Lena River propagate throughout the entire s

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Dzhamalov, R. G., O. S. Reshetnyak, K. G. Vlasov, K. G. Galagur, A. S. Oboturov, and T. I. Safronova. "SPECIFIC FEATURES OF WATER CHEMISTRY AND QUALITY IN THE LENA RIVER BASIN." Water and Ecology 26, no. 3 (2021): 33–43. http://dx.doi.org/10.23968/2305-3488.2021.26.3.33-43.

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Introduction. The Lena River is one of the largest rivers in Russia and the main transport artery of Yakutia. Methods. In the course of the study, we considered the water regime of the Lena River in 1981–2019 in relation to the monthly average water discharge. The hydrochemical runoff was quantitatively assessed based on the widely used landscape-hydrological method. The analysis made it possible to estimate the relationship between the natural water quality and the environmental state of catchments. Results. An increase in the winter temperature reduced the depth of soil freezing and increase

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Georgiadi, A. G., N. L. Tananaev, and L. A. Dukhova. "Hydrochemical regime of the Lena river in august 2018." Океанология 59, no. 5 (2019): 881–84. http://dx.doi.org/10.31857/s0030-1574595881-884.

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The new hydrochemical data collected during August 2018 cruise from Yakutsk to Kyusyur, in the middle and lower reaches of the Lena River, are presented. Field and laboratory data were collated into a database containing 80+ parameters, notably stable water isotopes, suspended sediment concentration and dissolved organic carbon. Presented results allow the quantitative assessment of fluxes of dissolved and suspended material toward the Lena River delta, and the deduction of the regularities of transformation of these fluxes.

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Bolshiyanov, D., A. Makarov, and L. Savelieva. "Lena River Delta formation during the Holocene." Biogeosciences Discussions 11, no. 3 (2014): 4085–122. http://dx.doi.org/10.5194/bgd-11-4085-2014.

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Abstract. The Lena River Delta, the largest delta of the Arctic Ocean, differs from other deltas because it consists mainly of organomineral sediments, commonly called peat, that contain a huge organic carbon reservoir. The analysis of Delta sediment radiocarbon ages showed that they could not have formed as peat during floodplain bogging, but accumulated when Laptev Sea water level was high and green mosses and sedges grew and were deposited on the surface of flooded marshes. The Lena River Delta formed as organomineral masses and layered sediments accumulated during transgressive phases when

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Kraberg, A. C., E. Druzhkova, B. Heim, M. J. G. Loeder, and K. H. Wiltshire. "Phytoplankton community structure in the Lena Delta (Siberia, Russia) in relation to hydrography." Biogeosciences Discussions 10, no. 2 (2013): 2305–44. http://dx.doi.org/10.5194/bgd-10-2305-2013.

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Abstract. The Lena Delta in Northern Siberia is one of the largest river deltas in the world. During peak discharge, after the ice melt in spring, it delivers between 60–8000 m3s−1 of water and sediment into the Arctic Ocean. The Lena Delta and the Laptev Sea coast also constitute a~continuous permafrost region. Ongoing climate change, which is particularly pronounced in the Arctic, is leading to increased rates of permafrost thaw. This is likely to profoundly change the discharge rates of the Lena River and the chemistry of the river waters which are discharged into the coastal Laptev Sea, e.

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Лебедева, Л. С., В. В. Шамов, А. М. Тарбеева, and Н. А. Павлова. "Transformation of water chemical composition in arctic tundra creeks under water-rock interaction." Гидросфера. Опасные процессы и явления 3, no. 4 (2022): 333–45. http://dx.doi.org/10.34753/hs.2021.3.4.333.

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Степень изученности процессов миграции воды и растворенных веществ в арктических и субарктических мерзлотных ландшафтах крайне низкая. В нашем исследовании на основе гидрохимических данных, полученных в ходе экспедиций в 2019 и 2020 годах, делаются выводы об источниках питания и механизмах формирования стока трех ручьев в арктической тундре в низовьях реки Лены. Исследованные природные воды контрастны по химическому составу. Максимальные концентрации химических веществ, вплоть до солоноватого типа вод, характерны для высачиваний подземных вод, состав которых формируется при длительном взаимоде

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Bolshiyanov, D., A. Makarov, and L. Savelieva. "Lena River delta formation during the Holocene." Biogeosciences 12, no. 2 (2015): 579–93. http://dx.doi.org/10.5194/bg-12-579-2015.

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Abstract. The Lena River delta, the largest delta of the Arctic Ocean, differs from other deltas because it consists mainly of organomineral sediments, commonly called peat, that contain a huge organic carbon reservoir. The analysis of delta sediment radiocarbon ages showed that they could not have formed as peat during floodplain bogging; rather, they accumulated when Laptev Sea water level was high and green mosses and sedges grew and were deposited on the surface of flooded marshes. The Lena River delta formed as organomineral masses and layered sediments accumulated during transgressive ph

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Y F Li T J, Huang, and Zheng Y T. "Boundary Data of the Lena River Basin." Journal of Global Change Data & Discovery 1, no. 2 (2017): 243. http://dx.doi.org/10.3974/geodp.2017.02.19.

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Anganova, Elena V., M. F. Savchenkov, L. A. Stepanenko, and E. D. Savilov. "Microbiological monitoring of opportunistic Enterobacteriaceae of the Lena river." Hygiene and sanitation 95, no. 12 (2019): 1124–28. http://dx.doi.org/10.18821/0016-9900-2016-95-12-1124-1128.

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The aim is the study of the circulation, biological activity, persistent potential and genotypic characteristics of opportunistic Enterobacteriaceae of microbial community of the Lena River which is the one of the largest sources of water in Russia and Siberia. Gram-negative component of microbial community in the Lena River was mainly represented by Enterobacteriaceae (80%), including dominated Escherichia (dominant class) and Enterobacter and Klebsiella (subdominant class). In conditions of anthropogenic pollution there is a reorganization of microbial community of the Lena River in the dire

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Conrad, Sarah, Johan Ingri, Johan Gelting, et al. "Distribution of Fe isotopes in particles and colloids in the salinity gradient along the Lena River plume, Laptev Sea." Biogeosciences 16, no. 6 (2019): 1305–19. http://dx.doi.org/10.5194/bg-16-1305-2019.

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Abstract. Riverine Fe input is the primary Fe source for the ocean. This study is focused on the distribution of Fe along the Lena River freshwater plume in the Laptev Sea using samples from a 600 km long transect in front of the Lena River mouth. Separation of the particulate (>0.22 µm), colloidal (0.22 µm–1 kDa), and truly dissolved (<1 kDa) fractions of Fe was carried out. The total Fe concentrations ranged from 0.2 to 57 µM with Fe dominantly as particulate Fe. The loss of >99 % of particulate Fe and about 90 % of the colloidal Fe was observed across the shelf, while the truly dis

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Yuriev, A. L., G. B. Hludnev, A. N. Matveev, and V. P. Samusenok. "Biology of Fishes in the Middle Reaches of the Kirenga River." Bulletin of Irkutsk State University. Series Biology. Ecology 41 (2022): 45–65. http://dx.doi.org/10.26516/2073-3372.2022.41.45.

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Kirenga River is the large (746 km long) right tributary of upper part of Lena River. River headwaters situated relatively close to west coast of Lake Baikal among the high peaks of the Baikal Ridge at 1470 m a.s.l. Fishes were collected from the Kirenga’s middle reaches during the investigations of biota of Tukolon’ nature protected territory along the 25 km section of riverbed (starting from approx. 375 km upstream from the mouth) in June 2013, June and September 2014, Oktober 2015 and April 2016. According to available data the ichthyofauna at this river section consists of 20 species in 11

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