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Seasonal variability of thermal regime in a shallow ice covered lake

Maher, OA and Malm, Joakim LU (2003) In Nordic Hydrology 34(1-2). p.107-124
Abstract
A systematic study was conducted over six years (1994-1999) on a shallow ice covered lake in the Russian Republic of Karelia with the aim of developing better understanding of some physical processes occurring in shallow ice-covered lakes. The average ice-covered period was 182 days while the longest ice-covered period was 193 days. The average lake water temperature at ice formation was 0.5-10degreesC, while the average water temperature just before ice break-up was close to 4degreesC. The heat flux from water to ice was low during early winter but could increase above 5 Wm-2 (daily average) during the last month before ice break-up. The heat flux from sediment to water was the main source of heat to the water body during early to mid... (More)
A systematic study was conducted over six years (1994-1999) on a shallow ice covered lake in the Russian Republic of Karelia with the aim of developing better understanding of some physical processes occurring in shallow ice-covered lakes. The average ice-covered period was 182 days while the longest ice-covered period was 193 days. The average lake water temperature at ice formation was 0.5-10degreesC, while the average water temperature just before ice break-up was close to 4degreesC. The heat flux from water to ice was low during early winter but could increase above 5 Wm-2 (daily average) during the last month before ice break-up. The heat flux from sediment to water was the main source of heat to the water body during early to mid winter being about 2-6 W.m-2 during early winter but decreasing to about 1-2 Wm-2 during early spring. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Nordic Hydrology
volume
34
issue
1-2
pages
107 - 124
external identifiers
  • wos:000181895300008
  • scopus:0037255352
ISSN
0029-1277
language
English
LU publication?
yes
id
553c36de-2119-41cc-9d71-b8921dffde44 (old id 315106)
date added to LUP
2016-04-01 11:59:53
date last changed
2023-06-27 11:07:41
@article{553c36de-2119-41cc-9d71-b8921dffde44,
  abstract     = {{A systematic study was conducted over six years (1994-1999) on a shallow ice covered lake in the Russian Republic of Karelia with the aim of developing better understanding of some physical processes occurring in shallow ice-covered lakes. The average ice-covered period was 182 days while the longest ice-covered period was 193 days. The average lake water temperature at ice formation was 0.5-10degreesC, while the average water temperature just before ice break-up was close to 4degreesC. The heat flux from water to ice was low during early winter but could increase above 5 Wm-2 (daily average) during the last month before ice break-up. The heat flux from sediment to water was the main source of heat to the water body during early to mid winter being about 2-6 W.m-2 during early winter but decreasing to about 1-2 Wm-2 during early spring.}},
  author       = {{Maher, OA and Malm, Joakim}},
  issn         = {{0029-1277}},
  language     = {{eng}},
  number       = {{1-2}},
  pages        = {{107--124}},
  series       = {{Nordic Hydrology}},
  title        = {{Seasonal variability of thermal regime in a shallow ice covered lake}},
  volume       = {{34}},
  year         = {{2003}},
}