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Temporal and spatial properties of short-life oceanic eddies
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Ming Xu1, Ge Chen1, 2, Lin Peng1, *
Haiyang Xuebao | 2019, 41(9) : 94 - 104
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Haiyang Xuebao | 2019, 41(9): 94-104
• Physical Oceanography, Marine Meteorology and Marine Physics •
Temporal and spatial properties of short-life oceanic eddies
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Ming Xu1, Ge Chen1, 2, Lin Peng1, *
Affiliations
  • 1 College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China
  • 2 Laboratory for Regional Oceanography and Numerical Modeling, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266100, China
Published: 2019-09-25 doi: 10.3969/j.issn.0253-4193.2019.09.009
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Mesoscale eddies are widely distributed in the ocean and play a significant role in the mixing and transporting of momentum and nutrients. Statistics suggest that more than 80% eddies’ lifetime are less than 1 month, belonging to the defined “short-life eddies” in this paper. This design adopt statistics and comparison, commit to having a earlier reasearch of global scale, short-life eddies. Results show that short-life eddies have a close correlation with ocean current. The most productive places for short-life eddies are those where warm and cold currents or two currents with opposite directions meet, and except in tropical areas of 30°S–30°N, the short-life eddies in other areas have a slight preference for cyclonic. Seasons with low temperature are favorable for short-life eddies in low latitudes, while seasons with high temperature are favorable in high latitudes. Short-life eddies tend to propagate westward in most of areas, however, they notable propagate eastward in eastward currents areas. Meridional deflection is quite messy, but with a tiny preference for equatorward and poleward deflections of cyclones and anticyclones, respectively. The distribution of average displacement and propagation velocity have similar regulation.

mesoscale eddies  /  short-life  /  spatial and temporal properties  /  propagation
Ming Xu, Ge Chen, Lin Peng. Temporal and spatial properties of short-life oceanic eddies[J]. Haiyang Xuebao, 2019 , 41 (9) : 94 -104 . DOI: 10.3969/j.issn.0253-4193.2019.09.009
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Year 2019 volume 41 Issue 9
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Article Info
doi: 10.3969/j.issn.0253-4193.2019.09.009
  • Receive Date：2019-01-31
  • Online Date：2026-04-03
  • Published：2019-09-25
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  • Received：2019-01-31
  • Revised：2019-05-19
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Affiliations
    1 College of Information Science and Engineering, Ocean University of China, Qingdao 266100, China
    2 Laboratory for Regional Oceanography and Numerical Modeling, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266100, 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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