Yimeng Song · Research recognition
World’s Top 2% Scientists
2023–2026 · Single-year citation impact
2026 regional rankings
Environmental Sciences · Single-year impactGreater China includes mainland China, Hong Kong, Macau and Taiwan. For mainland China and Hong Kong only: No. 327.
Calculated from the official 2026 dataset by c-score, among listed researchers whose primary subfield is Environmental Sciences. Locations follow recorded affiliations, not nationality. HKU includes the Swire Institute of Marine Science. These regional ranks are calculated here, not published separately by the database.
Ranking trends
Edition years · Self-citations excludedGlobal c-score rank
Lower rank number = higher position
Environmental Sciences rank
Subfield comparison · lower is better
Annual citations
Citations received in 2022, 2023, 2024 and 2025
Publications in the dataset
Publication counts are not annual output
Annual records
Single-year impact · 2026 edition
The University of Hong Kong
Affiliation as recorded in the dataset
Main fieldEarth & Environmental Sciences
Primary subfieldEnvironmental Sciences
Secondary subfieldGeneral & Internal Medicine
| Indicator | Self-citations excluded | Self-citations included |
|---|---|---|
| Global c-score rank | 49,184 | 48,182 |
| Environmental Sciences rank | 1,075 | 1,022 |
| Citations received in the citation year | 7,669 | 8,397 |
| h-index (dataset) | 23 | 24 |
| Co-authorship-adjusted hm-index | 5.36 | 5.94 |
| Composite citation score (c-score) | 2.97 | 3.01 |
| Distinct citing papers | 6,475 | 6,976 |
| Single + first-authored papers | 8 | 8 |
| Citations to single + first-authored papers | 154 | 170 |
| Single + first + last-authored papers | 14 | 14 |
| Citations to single + first + last-authored papers | 424 | 452 |
| Single-authored papers / their citations | 0 / 0 | 0 / 0 |
| Authors in Environmental Sciences | 140,934 | |
| Publications in the dataset | 73 | |
| Self-citation share | 8.67% | |
Single-year impact, not career-long rankings. Each edition reports the preceding year’s citations. Rank / authors is a calculated ratio, not an official percentile.
Source: John P. A. Ioannidis, Stanford–Elsevier citation database, versions 6–9 (CC BY-NC 3.0).
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Last checked: 10 October 2026