Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake
During late winter (18 March–7 April 1994), temperature and current measurements were made in Lake Vendyurskoe, Russia, including three surveys at six cross sections of the lake. Also, the temperature profile evolution was registered with two thermistor chains at two stations (bottom depths of 7.6 a...
Published in: | Limnology and Oceanography |
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Format: | Article in Journal/Newspaper |
Language: | English |
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1996
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Online Access: | https://lup.lub.lu.se/record/c99a2647-39fa-4f40-911c-bc052d3d74d5 https://doi.org/10.4319/lo.1996.41.7.1502 |
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ftulundlup:oai:lup.lub.lu.se:c99a2647-39fa-4f40-911c-bc052d3d74d5 2023-05-15T17:01:09+02:00 Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake Bengtsson, Lars Malm, Joakim Terzhevik, Arkady Petrov, Michail Boyarinov, Pjotr Glinsky, Alexander Palshin, Nikolai 1996 https://lup.lub.lu.se/record/c99a2647-39fa-4f40-911c-bc052d3d74d5 https://doi.org/10.4319/lo.1996.41.7.1502 eng eng ASLO https://lup.lub.lu.se/record/c99a2647-39fa-4f40-911c-bc052d3d74d5 http://dx.doi.org/10.4319/lo.1996.41.7.1502 scopus:0000765890 Limnology and Oceanography; 41(7), pp 1502-1502 (1996) ISSN: 1939-5590 Oceanography Hydrology Water Resources contributiontojournal/article info:eu-repo/semantics/article text 1996 ftulundlup https://doi.org/10.4319/lo.1996.41.7.1502 2023-02-01T23:38:10Z During late winter (18 March–7 April 1994), temperature and current measurements were made in Lake Vendyurskoe, Russia, including three surveys at six cross sections of the lake. Also, the temperature profile evolution was registered with two thermistor chains at two stations (bottom depths of 7.6 and 11.5 m) until the time of ice breakup. Temperature gradients were measured just below the ice cover and in the upper 10‐cm layer of the bottom sediments.The isotherms were found to be almost horizontal and evenly spaced vertically, so no conditions for large‐scale, density‐induced currents existed. The heat flux from sediments to water ranged from 0.6 to 2.0 W m−2. These values were inversely related to the depth. The heat flux from water to ice ranged from 0.7 to 1.2 W m−2. When water heating from solar radiation penetration became apparent, this flux increased by a factor of two. When solar radiation increased, convection occurred in the upper layers of the water column. When solar radiation heating became significant at the beginning of spring, the average net heat flux at the ice‐water interface during daytime was 7.7 W m−2. Weak currents (few mm s−1) with a seiche‐like character were observed, which most likely resulted from ice‐cover oscillations. Article in Journal/Newspaper karelia* karelian Lund University Publications (LUP) Limnology and Oceanography 41 7 1502 1513 |
institution |
Open Polar |
collection |
Lund University Publications (LUP) |
op_collection_id |
ftulundlup |
language |
English |
topic |
Oceanography Hydrology Water Resources |
spellingShingle |
Oceanography Hydrology Water Resources Bengtsson, Lars Malm, Joakim Terzhevik, Arkady Petrov, Michail Boyarinov, Pjotr Glinsky, Alexander Palshin, Nikolai Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake |
topic_facet |
Oceanography Hydrology Water Resources |
description |
During late winter (18 March–7 April 1994), temperature and current measurements were made in Lake Vendyurskoe, Russia, including three surveys at six cross sections of the lake. Also, the temperature profile evolution was registered with two thermistor chains at two stations (bottom depths of 7.6 and 11.5 m) until the time of ice breakup. Temperature gradients were measured just below the ice cover and in the upper 10‐cm layer of the bottom sediments.The isotherms were found to be almost horizontal and evenly spaced vertically, so no conditions for large‐scale, density‐induced currents existed. The heat flux from sediments to water ranged from 0.6 to 2.0 W m−2. These values were inversely related to the depth. The heat flux from water to ice ranged from 0.7 to 1.2 W m−2. When water heating from solar radiation penetration became apparent, this flux increased by a factor of two. When solar radiation increased, convection occurred in the upper layers of the water column. When solar radiation heating became significant at the beginning of spring, the average net heat flux at the ice‐water interface during daytime was 7.7 W m−2. Weak currents (few mm s−1) with a seiche‐like character were observed, which most likely resulted from ice‐cover oscillations. |
format |
Article in Journal/Newspaper |
author |
Bengtsson, Lars Malm, Joakim Terzhevik, Arkady Petrov, Michail Boyarinov, Pjotr Glinsky, Alexander Palshin, Nikolai |
author_facet |
Bengtsson, Lars Malm, Joakim Terzhevik, Arkady Petrov, Michail Boyarinov, Pjotr Glinsky, Alexander Palshin, Nikolai |
author_sort |
Bengtsson, Lars |
title |
Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake |
title_short |
Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake |
title_full |
Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake |
title_fullStr |
Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake |
title_full_unstemmed |
Field investigation of winter thermo‐ and hydrodynamics in a small Karelian lake |
title_sort |
field investigation of winter thermo‐ and hydrodynamics in a small karelian lake |
publisher |
ASLO |
publishDate |
1996 |
url |
https://lup.lub.lu.se/record/c99a2647-39fa-4f40-911c-bc052d3d74d5 https://doi.org/10.4319/lo.1996.41.7.1502 |
genre |
karelia* karelian |
genre_facet |
karelia* karelian |
op_source |
Limnology and Oceanography; 41(7), pp 1502-1502 (1996) ISSN: 1939-5590 |
op_relation |
https://lup.lub.lu.se/record/c99a2647-39fa-4f40-911c-bc052d3d74d5 http://dx.doi.org/10.4319/lo.1996.41.7.1502 scopus:0000765890 |
op_doi |
https://doi.org/10.4319/lo.1996.41.7.1502 |
container_title |
Limnology and Oceanography |
container_volume |
41 |
container_issue |
7 |
container_start_page |
1502 |
op_container_end_page |
1513 |
_version_ |
1766054215466090496 |