METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIA
Lakes are an important natural source of methane – significant greenhouse gas of the modern atmosphere. Monitoring of methane emission from lakes ofnorthern territoriesis needed to update the available estimates of CH4 emission intensity into the atmosphere and to obtain multi-year series of observa...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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Lomonosov Moscow State University
2018-03-01
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| Series: | Geography, Environment, Sustainability |
| Subjects: | |
| Online Access: | https://ges.rgo.ru/jour/article/view/381 |
| _version_ | 1797878442046259200 |
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| author | Vladimir S. Kazantsev Liudmila A. Krivenok Maria Yu. Cherbunina |
| author_facet | Vladimir S. Kazantsev Liudmila A. Krivenok Maria Yu. Cherbunina |
| author_sort | Vladimir S. Kazantsev |
| collection | DOAJ |
| description | Lakes are an important natural source of methane – significant greenhouse gas of the modern atmosphere. Monitoring of methane emission from lakes ofnorthern territoriesis needed to update the available estimates of CH4 emission intensity into the atmosphere and to obtain multi-year series of observations. Field measurements of diffuse methane fluxes were carried out on lakes at different stages of thermokarst process located in Yamalo-Nenets Autonomous District (Western Siberia, Russia) during summer 2016 using static chamber method. Some statistical characteristics of measured fluxes were calculated (medians vary from 0.46 to 0.93 mgC-CH4∙m ∙h ), as well as annual diffuse emissions from studied lakes, which values are determined by the area of the lake’s water surface. Daily dynamics of methane fluxes were defined and approximation of fluxes with simple model was done, major factors are temperatures of lake bottom and of the surface air layer. |
| first_indexed | 2024-04-10T02:33:44Z |
| format | Article |
| id | doaj.art-87b90ee069a342f49e00366fa1b7e110 |
| institution | Directory Open Access Journal |
| issn | 2071-9388 2542-1565 |
| language | English |
| last_indexed | 2024-04-10T02:33:44Z |
| publishDate | 2018-03-01 |
| publisher | Lomonosov Moscow State University |
| record_format | Article |
| series | Geography, Environment, Sustainability |
| spelling | doaj.art-87b90ee069a342f49e00366fa1b7e1102023-03-13T07:52:32ZengLomonosov Moscow State UniversityGeography, Environment, Sustainability2071-93882542-15652018-03-01111587310.24057/2071-9388-2018-11-1-58-73300METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIAVladimir S. Kazantsev0Liudmila A. Krivenok1Maria Yu. Cherbunina2A.M. Obukhov Institute of Atmospheric Physics Russian Academy of SciencesInstitute of Forest Science, Russian Academy of SciencesLomonosov Moscow State UniversityLakes are an important natural source of methane – significant greenhouse gas of the modern atmosphere. Monitoring of methane emission from lakes ofnorthern territoriesis needed to update the available estimates of CH4 emission intensity into the atmosphere and to obtain multi-year series of observations. Field measurements of diffuse methane fluxes were carried out on lakes at different stages of thermokarst process located in Yamalo-Nenets Autonomous District (Western Siberia, Russia) during summer 2016 using static chamber method. Some statistical characteristics of measured fluxes were calculated (medians vary from 0.46 to 0.93 mgC-CH4∙m ∙h ), as well as annual diffuse emissions from studied lakes, which values are determined by the area of the lake’s water surface. Daily dynamics of methane fluxes were defined and approximation of fluxes with simple model was done, major factors are temperatures of lake bottom and of the surface air layer.https://ges.rgo.ru/jour/article/view/381greenhouse gasesfluxesmethanefreshwater ecosystemspolar regions |
| spellingShingle | Vladimir S. Kazantsev Liudmila A. Krivenok Maria Yu. Cherbunina METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIA Geography, Environment, Sustainability greenhouse gases fluxes methane freshwater ecosystems polar regions |
| title | METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIA |
| title_full | METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIA |
| title_fullStr | METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIA |
| title_full_unstemmed | METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIA |
| title_short | METHANE EMISSIONS FROM THERMOKARST LAKES IN THE SOUTHERN TUNDRA OF WESTERN SIBERIA |
| title_sort | methane emissions from thermokarst lakes in the southern tundra of western siberia |
| topic | greenhouse gases fluxes methane freshwater ecosystems polar regions |
| url | https://ges.rgo.ru/jour/article/view/381 |
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