# Global and regional temperature change over the past 4.5 million years

*PRI Rank #9 · Topics and Trends in Most Cited Geology and Paleoclimatology Research Papers, Class of 2026*

*Canonical URL: https://pri.pepkio.com/top-papers/geology-and-paleoclimatology-research/2026/rank-9*

| Field | Value |
| --- | --- |
| Rank | #9 |
| 18m citations | 62 |
| Journal | Science |
| Year | 2024 |
| DOI | 10.1126/science.adi1908 |
| Corresponding authors | Peter U. Clark, Jeremy D. Shakun |
| Institution | Oregon State University, United States |

**Ranking page:** [Topics and Trends in Most Cited Geology and Paleoclimatology Research Papers, Class of 2026](https://pri.pepkio.com/top-papers/geology-and-paleoclimatology-research/2026)

**Paper link:** [10.1126/science.adi1908](https://doi.org/10.1126/science.adi1908)

## Topics

benthic foraminifera · δ18O · global temperature reconstruction · sea level · Mid-Pleistocene Transition · Obliquity cycles · Eccentricity cycles · Obliquity cycles · Eccentricity cycles · long-term cooling · Southern Ocean carbon cycle · Climate Feedback · Geologic processes · Pleistocene climate variability · Milankovitch cycles

## Cite this ranking

```
Pepkio Research Index (PRI). Topics and Trends in Most Cited Geology and Paleoclimatology Research Papers, Class of 2026. https://pri.pepkio.com/top-papers/geology-and-paleoclimatology-research/2026. Accessed 2026-07-31.

Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
```