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Research of characteristics of turbulent mixing in the Prydz Bay with intrusion of modified circumpolar deep water
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Junyang Hu1, Chujin Liang1, *, Feilong Lin1
Haiyang Xuebao | 2021, 43(3) : 1 - 12
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Haiyang Xuebao | 2021, 43(3): 1-12
• Article •
Research of characteristics of turbulent mixing in the Prydz Bay with intrusion of modified circumpolar deep water
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Junyang Hu1, Chujin Liang1, *, Feilong Lin1
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  • 1State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Minisitry of Natural Resources, Hangzhou 310012, China
Published: 2021-03-25 doi: 10.12284/hyxb2021029
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Based on the CTD data from the 28th, 29th and 31st Chinese Antarctic Expedition cruises, we calculated dissipation rate of turbulent kinetic energy by using Thrope scale method, and analyzed the distribution characteristics of the dissipation rate and the structure of water masses in the Prydz Bay and its adjacent waters. Results show that the subsurface dissipation rate intensity of turbulent kinetic energy in the first two cruises reach maximum on the shelf break of Prydz Bay. Moreover, we compared the distribution of water masses among the three cruises and found intrusion of the modified circumplar deep water into the shelf happened on the 28th and 29th cruises. The the modified circumplar deep water could reach the depth of 100 m and 200 m on the cruise of 28th and 29th, respectively, and can extend southward to 67.5°S. Furthermore, the distribution of subsurface dissipation rate of turbulent kinetic energy on the shelf break of Prydz Bay are well related to the structure of local water masses. Therefore, the intrusion of the modified circumplar deep water into the shelf could induce instability of the local waters, promote water exchange and finally enhance local turbulent mixing.

Prydz Bay  /  dissipation rate of turbulent kinetic energy  /  the structure of water masses  /  the intrusion of the modified circumplar deep water
Junyang Hu, Chujin Liang, Feilong Lin. Research of characteristics of turbulent mixing in the Prydz Bay with intrusion of modified circumpolar deep water[J]. Haiyang Xuebao, 2021 , 43 (3) : 1 -12 . DOI: 10.12284/hyxb2021029
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doi: 10.12284/hyxb2021029
  • Receive Date：2020-03-07
  • Online Date：2026-02-26
  • Published：2021-03-25
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  • Received：2020-03-07
  • Revised：2020-06-08
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    1State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Minisitry of Natural Resources, Hangzhou 310012, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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