Most-cited Earth and Planetary Sciences papers of 2020, with free PDFs

The 25 most-cited Earth and Planetary Sciences research papers published in 2020, ranked by citations in OpenAlex, with their original abstracts and free PDFs where available.

1. The ERA5 global reanalysis
   Hans Hersbach, Bill Bell et al. · 2020 · 31,412 citations
2. The IntCal20 Northern Hemisphere Radiocarbon Age Calibration Curve (0–55 cal kBP)
   Paula J. Reimer, William E. N. Austin et al. · 2020 · 7,899 citations · Free PDF
3. An astronomically dated record of Earth’s climate and its predictability over the last 66 million years
   Thomas Westerhold, Norbert Marwan et al. · 2020 · 2,177 citations
4. Marine20—The Marine Radiocarbon Age Calibration Curve (0–55,000 cal BP)
   Timothy Heaton, Peter Köhler et al. · 2020 · 2,001 citations · Free PDF
5. SHCal20 Southern Hemisphere Calibration, 0–55,000 Years cal BP
   Alan G. Hogg, Timothy Heaton et al. · 2020 · 1,532 citations · Free PDF
6. Improvements of the Daily Optimum Interpolation Sea Surface Temperature (DOISST) Version 2.1
   Boyin Huang, Chun‐Ying Liu et al. · 2020 · 1,190 citations
7. Present‐Day Crustal Deformation of Continental China Derived From GPS and Its Tectonic Implications
   Min Wang, Zheng‐Kang Shen · 2020 · 1,087 citations
8. Cenozoic sea-level and cryospheric evolution from deep-sea geochemical and continental margin records
   Kenneth G. Miller, James V. Browning et al. · 2020 · 928 citations
9. Sources of particulate-matter air pollution and its oxidative potential in Europe
   Kaspar R. Daellenbach, Gaëlle Uzu et al. · 2020 · 872 citations · Free PDF
10. Complexity revealed in the greening of the Arctic
    Isla H. Myers‐Smith, Jeffrey Taylor Kerby et al. · 2020 · 870 citations · Free PDF
11. Extending the Global Mass Change Data Record: GRACE Follow‐On Instrument and Science Data Performance
    Felix W. Landerer, Frank Flechtner et al. · 2020 · 800 citations
12. The acidity of atmospheric particles and clouds
    Havala O. T. Pye, Athanasios Nenes et al. · 2020 · 791 citations · Free PDF
13. Global distribution of carbonate rocks and karst water resources
    Nico Goldscheider, Zhao Chen et al. · 2020 · 764 citations · Free PDF
14. Increases in surface ozone pollution in China from 2013 to 2019: anthropogenic and meteorological influences
    Ke Li, Daniel J. Jacob et al. · 2020 · 745 citations · Free PDF
15. Pervasive ice sheet mass loss reflects competing ocean and atmosphere processes
    B. E. Smith, H. A. Fricker et al. · 2020 · 742 citations · Free PDF
16. Influence of meteorological conditions on PM2.5 concentrations across China: A review of methodology and mechanism
    Ziyue Chen, Danlu Chen et al. · 2020 · 739 citations
17. Arctic Sea Ice in CMIP6
    Dirk Notz, SIMIP Community · 2020 · 709 citations · Free PDF
18. Marine Heatwaves
    Eric C. J. Oliver, Jessica A. Benthuysen et al. · 2020 · 708 citations
19. The Impacts of Ocean Acidification on Marine Ecosystems and Reliant Human Communities
    Scott C. Doney, D. Shallin Busch et al. · 2020 · 682 citations
20. A Systematic, Regional Assessment of High Mountain Asia Glacier Mass Balance
    David Shean, Shashank Bhushan et al. · 2020 · 669 citations · Free PDF
21. Past climates inform our future
    Jessica E. Tierney, Christopher J. Poulsen et al. · 2020 · 668 citations
22. Global increase in major tropical cyclone exceedance probability over the past four decades
    James P. Kossin, Kenneth R. Knapp et al. · 2020 · 667 citations
23. A global anthropogenic emission inventory of atmospheric pollutants from sector- and fuel-specific sources (1970–2017): an application of the Community Emissions Data System (CEDS)
    Erin E. McDuffie, Steven J. Smith et al. · 2020 · 656 citations · Free PDF
24. Projections of global-scale extreme sea levels and resulting episodic coastal flooding over the 21st Century
    Ebru Kirezci, Ian Robert Young et al. · 2020 · 636 citations · Free PDF
25. The Chemistry Mechanism in the Community Earth System Model Version 2 (CESM2)
    L. K. Emmons, Rebecca H. Schwantes et al. · 2020 · 616 citations

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