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There are strong exchange of matter and energy and complex dynamic processes between mesoscale eddies and submesoscale fronts at their edges. At present, the investigation of mesoscale eddies has become more and more mature, but because of the small spatial scale and rapid time change of the submesoscale front, it is a great challenge to investigate its three-dimensional structure. In this paper, a new method is proposed to investigate the submesoscale front at the edge of the ocean mesoscale eddy. Firstly, the submesoscale front at the edge of the mesoscale eddies is identified using multi-source satellite remote sensing data, and then the multi-type shipborne survey equipment is used for multidisciplinary investigation. A submesoscale front at the edge of typical eddies in the Kuroshio Extension area from August 21 to August 25, 2023 is investigated by using this method. The survey method proposed in this paper can effectively identify, track and investigate the submesoscale front at the edge of mesoscale eddies.
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| 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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