A Black Hole Eddy dataset of North Pacific Ocean  based on satellite altimetry

Tian, Fenglin; Zhao, Yingying; Qin, Lan; Long, Shuang; Chen, Ge

doi:10.5194/essd-17-7119-2025

Articles | Volume 17, issue 12

https://doi.org/10.5194/essd-17-7119-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/essd-17-7119-2025

© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 12

Data description article

|

12 Dec 2025

Data description article |

| 12 Dec 2025

A Black Hole Eddy dataset of North Pacific Ocean based on satellite altimetry

Fenglin Tian, Yingying Zhao, Lan Qin, Shuang Long, and Ge Chen

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Cumulative views and downloads (calculated since 10 Jul 2025)

Month	HTML	PDF	XML	Total
Jul 2025	147	16	20	183
Aug 2025	217	19	5	241
Sep 2025	845	16	9	870
Oct 2025	63	20	6	89
Nov 2025	59	22	5	86
Dec 2025	285	114	16	415
Jan 2026	209	127	35	371
Feb 2026	95	123	19	237
Mar 2026	131	129	20	280
Apr 2026	174	82	18	274
May 2026	128	58	10	196
Jun 2026	24	16	4	44
Jul 2026	64	11	3	78
Aug 2026	100	20	7	127
Sep 2026	32	12	17	61

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Short summary

Black Hole Eddy (BHE) is vital for transporting materials but were previously hard to identify efficiently. This study introduces an efficient method to identify BHE, 13 times quicker, firstly enables the creation of BHE dataset in the North Pacific from 1993 to 2023. We verified BHE maintains strong coherence and contributes to westward transport about 1.5 Sv. We found some previously unidentified coherent eddies and analyzed their coherence. This represents first comprehensive analysis of BHE.