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The variation of the surface mixed layer depth may affect not only the evolution of aquatic ecosystem, but also the temporal-spatial distribution of precipitation and climate in the basin. Based on the meteorological data and water temperature profiles observed in Erhai Lake (located in the Tibetan Plateau) and Taihu Lake (located in the Taihu Plain), the variation features and the mechanisms of the surface mixed layer depths are investigated. The stratification in Erhai Lake can be established and sustained in summer; the diurnal stratification in Erhai Lake can also be established, However, in both summer and autumn, stratification may exist in Taihu Lake. The time length of stratification is longer in Erhai Lake than that in Lake Taihu in the autumn. And the surface mixed layer depths in Erhai Lake are shallower than those in Taihu Lake in summer and autumn. The transformation frequency between establishment and destruction of stratification in Taihu Lake is faster than that in Erhai Lake, which illustrated that the response of water body in Taihu Lake to atmospheric variation is quicker than that in Erhai Lake. The water depth is a key factor which prevents such shallow lakes as Taihu Lake from establishing and maintainaning stratifications and in a suitable radiation condition the stratification will exist. The net radiation is a key factor that determines the stratification and the length of the time when the stratification can be sustained in lakes whose depths are the same as that of Erhai Lake. The research result in this paper is helpful for exploring the coupling mechanism of the turbulence of water and air and the evolution law of aquatic ecosystem.
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Keywords:
- lake /
- surface mixed layer depth /
- stratification /
- radiation
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[15] Zhao Q H, Sun J H, Zhu G W 2012 Adv. Atmos. Sci. 21 1360
[16] Abualnaja Y 2009 Mar. Sci. 20 21
[17] Henderson-Sellers B 1987 Environ. Software. 2 78
[18] Tuan N V, Hamagami K, Mori K, Hirai Y 2009 Paddy Water Environ. 7 83
[19] Wang H Z, Zhang R 2012 Acta Phys. Sin. 61 039202(in Chinese) [王辉赞, 张韧 2012 物理学报 61 039202]
[20] Cui H, Zhang S W, Wang Q Y 2009 Acta Phys. Sin. 58 6609 (in Chinese) [崔红, 张书文, 王庆业 2009 物理学报 58 6609]
[21] Ezer T 2000 J. Geophys. Res. 105(C7) 16843
[22] Antonopoulos V Z, Gianniou S K 2001 Ecol. Model. 160 39
[23] Zhang S W, Cao R X, Zhu F Q 2011 Acta Phys. Sin. 60 119201 (in Chinese) [张书文, 曹瑞雪, 朱风芹 2011 物理学报 60 119201]
[24] Doyon P, Klein B, Ingram R G, Legendre L, Tremblay J E, Therriault J C 2000 Deep-Sea Res. PT. II 47 415
[25] Xu L L, Lin X P, Wu D X 2008 Period. Ocean Univ. Chin. 38 183 (in Chinese) [徐玲玲, 林宵, 吴德星 2008 中国海洋大学学报 38 183]
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[1] Xu X D, Zhou M Y, Chen J Y, Bian L G, Zhang G Z, Liu H Z, Li S M, Zhang H Z, Zhao Y J, Suo L D J, Wang J Z 2002 Sci. China D 45 577
[2] Haginoya S, Fujii H, Kuwagata T, Xu J Q, Ishigooka Y, Kang S, Zhang Y J 2009 SOLA 5 172
[3] Kara A B, Rochford P A, Hurlburt H E 2000 J. Geophys. Res. 105 16803
[4] Komatsu E, Fukushima T, Harasawa H 2007 Ecol. Model. 209 351
[5] Brown C W, Esaias W E, Thompson A M 1995 Remote Sens. Environ. 53 172
[6] Berger S A, Diehl S, Stibor H, Trommer G, Ruhenstroth M, Wild A, Weigert A, Jäger C G, Striebel M 2006 Oecologia 150 643
[7] Olesen M, Lundsgaard C, Andrushaitis A 1999 J. Marine Syst. 23 127
[8] Kim T W, Cho Y K 2011 J. Geophys. Res. 116 C03010
[9] Deng L M 2003 Water Resour. Res. 24 27 (in Chinese) [邓联木 2003 水资源研究 24 27]
[10] Verta M, Salo S, Korhonen M, Porvari P, Paloheimo A, Munthe J 2010 Sci. Total Environ. 408 3639
[11] Churchill J H, Kerfoot W C 2007 J. Great Lakes Res. 33 143
[12] Mahadevan A, Tandon A, Ferrari R 2010 J. Geophys. Res. 115 C03017
[13] Zhang Y C, Qian X, Tadaharu I I, Kong F X 2008 Sichuan Environment 27 45 (in Chinese) [张玉超, 钱新, 石川忠晴, 孔繁翔 2008 四川环境 27 45]
[14] Zhao L L, Zhu G W, Chen Y F, Li W, Zhu M Y, Xiao X, Cai L L 2011 Adv. Water Sci. 22 844 (in Chinese) [赵林林, 朱广伟, 陈元芳, 李未, 朱梦圆, 姚昕, 蔡琳琳 2011 水科学进展 22 844]
[15] Zhao Q H, Sun J H, Zhu G W 2012 Adv. Atmos. Sci. 21 1360
[16] Abualnaja Y 2009 Mar. Sci. 20 21
[17] Henderson-Sellers B 1987 Environ. Software. 2 78
[18] Tuan N V, Hamagami K, Mori K, Hirai Y 2009 Paddy Water Environ. 7 83
[19] Wang H Z, Zhang R 2012 Acta Phys. Sin. 61 039202(in Chinese) [王辉赞, 张韧 2012 物理学报 61 039202]
[20] Cui H, Zhang S W, Wang Q Y 2009 Acta Phys. Sin. 58 6609 (in Chinese) [崔红, 张书文, 王庆业 2009 物理学报 58 6609]
[21] Ezer T 2000 J. Geophys. Res. 105(C7) 16843
[22] Antonopoulos V Z, Gianniou S K 2001 Ecol. Model. 160 39
[23] Zhang S W, Cao R X, Zhu F Q 2011 Acta Phys. Sin. 60 119201 (in Chinese) [张书文, 曹瑞雪, 朱风芹 2011 物理学报 60 119201]
[24] Doyon P, Klein B, Ingram R G, Legendre L, Tremblay J E, Therriault J C 2000 Deep-Sea Res. PT. II 47 415
[25] Xu L L, Lin X P, Wu D X 2008 Period. Ocean Univ. Chin. 38 183 (in Chinese) [徐玲玲, 林宵, 吴德星 2008 中国海洋大学学报 38 183]
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