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Dr. Ronan Connolly

I am an independent scientist, environmentalist and writer based in Dublin, Ireland. I have been actively researching climate change since 2009. In 2018, I joined CERES. 

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About

Academic qualifications
  • B.Sc. (Hons.) in Chemistry with minor in Mathematics (University College Dublin, 2000)

  • Ph.D. in Computational Chemistry (University College Dublin, 2003)

Experience
  • 2018-present: Center for Environmental Research and Earth Sciences (CERES-science.com)

  • 2009-present: Independent research into climate change

  • 2004-2018: Environmental research into developing sustainable methods of aquaculture, wastewater treatment and heat exchangers

Editorial positions
  • ​2024-present: Review Editor for "Climate Detection and Attribution" section of Frontiers in Climate

Other websites

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Peer-reviewed publications
With CERES
  1. Ronan Connolly, Willie Soon, Michael Connolly, Rodolfo Gustavo Cionco, Ana G. Elias, Gregory W. Henry, Nicola Scafetta, and Víctor M. Velasco Herrera (2024). Multiple New or Updated Satellite Total Solar Irradiance (TSI) Composites (1978–2023). The Astrophysical Journal, 975 (1), 102, https://doi.org/10.3847/1538-4357/ad7794. (Open access).

  2. Michael Connolly, Orla Dingley, Ronan Connolly, Willie Soon (2024). "Comparing different tropopause estimates from high-resolution ozonesondes". Earth and Space Science. 11 (5), e2024EA003584. https://doi.org/10.1029/2024EA003584. (Open access​).

  3. Gerry A. Quinn, Michael Connolly, Norman E. Fenton, Steven J. Hatfill, Paul Hynds, Coilín ÓhAiseadha, Karol Sikora, Willie Soon and Ronan Connolly (2024). "Influence of Seasonality and Public-Health Interventions on the COVID-19 Pandemic in Northern Europe" Journal of Clinical Medicine, 13, 334. https://doi.org/10.3390/jcm13020334​. Open access

  4. W. Soon, R. Connolly, M. Connolly, S.-I. Akasofu, S. Baliunas, J. Berglund, A. Bianchini, W.M. Briggs, C.J. Butler, R.G. Cionco, M. Crok, A.G. Elias, V.M. Fedorov, F. Gervais, H. Harde, G.W. Henry, D.V. Hoyt, O. Humlum, D.R. Legates, A.R. Lupo, S. Maruyama, P. Moore, M. Ogurtsov, C. ÓhAiseadha, M.J. Oliveira, S.-S. Park, S. Qiu, G. Quinn, N. Scafetta, J.-E. Solheim, J. Steele, L. Szarka, H.L. Tanaka, M.K. Taylor, F. Vahrenholt, V.M. Velasco Herrera and W. Zhang (2023). "The Detection and Attribution of Northern Hemisphere Land Surface Warming (1850–2018) in Terms of Human and Natural Factors: Challenges of Inadequate Data", Climate, 11(9), 179; https://doi.org/10.3390/cli11090179. Open access​.

  5. R. Connolly, W. Soon, M. Connolly, S. Baliunas, J. Berglund, C.J. Butler, R.G. Cionco, A.G. Elias, V. Fedorov, H. Harde, G.W. Henry, D.V. Hoyt, O. Humlum, D.R. Legates, N. Scafetta, J.-E. Solheim, L. Szarka, V.M. Velasco Herrera, H. Yan and W.J. Zhang (2023). "Challenges in the detection and attribution of Northern Hemisphere surface temperature trends since 1850". Research in Astronomy and Astrophysicshttps://doi.org/10.1088/1674-4527/acf18e(🗄️​​). Supplementary Materials.

  6. G. Katata, R. Connolly and P. O’Neill (2023). Evidence of urban blending in homogenized temperature records in Japan and in the United States: implications for the reliability of global land surface air temperature data. Journal of Applied Meteorology and Climatology. https://doi.org/10.1175/JAMC-D-22-0122.1. (🗄️​​)

  7. C. ÓhAiseadha, G. A. Quinn, R. Connolly, A. Wilson, M. Connolly, W. Soon and P. Hynds (2023). Unintended Consequences of COVID-19 Non-Pharmaceutical Interventions (NPIs) for Population Health and Health Inequalities. International Journal of Environmental Research and Public Health, 20(7), 5223. https://doi.org/10.3390/ijerph20075223. (Open access).

  8. V.M. Velasco Herrera, W. Soon, Š. Knoška, J.A. Perez-Peraza, R.G. Cionco, S.M. Kudryavtsev, S. Qiu, R. Connolly, M. Connolly, M. Švanda, J. Acosta Jara & G. Pietro Gregori (2022). The New Composite Solar Flare Index from Solar Cycle 17 to Cycle 24 (1937 – 2020). Solar Physics, 297, 108. https://doi.org/10.1007/s11207-022-02035-z. Read-only access to full article. Pre-print version. Supplementary Materials​.

  9. O. Dingley, M. Connolly, R. Connolly and W. Soon (2022). A comparison of different metrics for analyzing the troposphere/stratosphere transitions using high-resolution ozonesondes. Environmental Science Proceedings, 19, 14. Proceedings of The 5th International Electronic Conference on Atmospheric Sciences. https://doi.org/10.3390/ecas2022-12807. (Open access).

  10. P. O'Neill, R. Connolly, M. Connolly, W. Soon, B. Chimani, M. Crok, R. de Vos, H. Harde, P. Kajaba, P. Nojarov, R. Przybylak, D. Rasol, Oleg Skrynyk, Olesya Skrynyk, P. Štěpánek, A. Wypych and P. Zahradníček (2022). Evaluation of the homogenization adjustments applied to European temperature records in the Global Historical Climatology Network dataset. Atmosphere 13(2), 285; https://doi.org/10.3390/atmos13020285. (🗄️)

  11. M. Connolly, R. Connolly, W. Soon, V. M. Velasco Herrera, R. G. Cionco and N. E. Quaranta (2021). Analyzing atmospheric circulation patterns using mass fluxes calculated from weather balloon measurements: North Atlantic region as a case study. Atmosphere 12(11), 1439; https://doi.org/10.3390/atmos12111439. (🗄️)

  12. R. Connolly, W. Soon, M. Connolly, S. Baliunas, J. Berglund, C. J. Butler, R. G. Cionco, A. G. Elias, V. M. Fedorov, H. Harde, G. W. Henry, D. V. Hoyt, O. Humlum, D. R. Legates, S. Lüning, N. Scafetta, J.-E. Solheim, L. Szarka, H. van Loon, V. M. Velasco Herrera, R. C. Willson, H. Yan and W. Zhang (2021). How much has the Sun influenced Northern Hemisphere temperature trends? An ongoing debate. Research in Astronomy and Astrophysics, 21, 131. https://doi.org/10.1088/1674-4527/21/6/131. (🗄️)

  13. C. ÓhAiseadha, G. Quinn, R. Connolly, M. Connolly and W. Soon (2020). Energy and climate policy — An evaluation of global climate change expenditure 2011–2018. Energies, 13, 4839. https://doi.org/10.3390/en13184839. (🗄️)

  14. R. Connolly, M. Connolly, R.M. Carter and W. Soon (2020). How much human-caused global warming should we expect with business-as-usual (BAU) climate policies? A semi-empirical assessment. Energies, 13, 1365. https://doi.org/10.3390/en13061365. (🗄️

  15. R. Connolly, M. Connolly, W. Soon, D.R. Legates, R.G. Cionco and V. M. Velasco Herrera (2019). Northern hemisphere snow-cover trends (1967-2018): A comparison between climate models and observations. Geosciences, 9(3), 135. https://doi.org/10.3390/geosciences9030135 (🗄️)

Previous publications
  1. W.W-H. Soon, Ronan Connolly, M. Connolly, P. O’Neill, J. Zheng, Q. Ge, Z. Hao and H. Yan (2019). Reply to Li & Yang’s comments on “Comparing the current and early 20th century warm periods in China." Earth-Science Reviews. 189, 102950. https://doi.org/10.1016/j.earscirev.2019.102950. (🗄️).

  2. W.W-H. Soon, Ronan Connolly, M. Connolly, P. O’Neill, J. Zheng, Q. Ge, Z. Hao and H. Yan (2018). Comparing the current and early 20th century warm periods in China. Earth-Science Reviews, 185, 80-101. https://doi.org/10.1016/j.earscirev.2018.05.013. (🗄️).

  3. Ronan Connolly, M. Connolly and W. Soon (2017). Re-calibration of Arctic sea ice extent datasets using Arctic surface air temperature records. Hydrological Sciences Journal, 62, 1317-1340. https://doi.org/10.1080/02626667.2017.1324974. (🗄️).

  4. W. Soon, Ronan Connolly and M. Connolly (2015). Re-evaluating the role of solar variability on Northern Hemisphere temperature trends since the 19th century. Earth-Science Reviews, 150, 409-452. https://doi.org/10.1016/j.earscirev.2015.08.010. (🗄️). Supporting Dataset​.

  5. Ronan Connolly, G. Bellesia, E.G. Timoshenko, Yu.A. Kuznetsov, S. Elli and F. Ganazzoli (2005). “Intrinsic” and “topological” stiffness in branched polymers. Macromolecules, 38, 5288-5299. https://doi.org/10.1021/ma0477246

  6. S. Elli, F. Ganazzoli, E.G. Timoshenko, Yu.A. Kuznetsov and Ronan Connolly (2004). Size and persistence length of molecular bottle-brushes by Monte Carlo simulations. Journal of Chemical Physics, 120, 6257. https://doi.org/10.1063/1.1651052

  7. Ronan Connolly, E.G. Timoshenko and Yu.A. Kuznetsov (2004). Monte Carlo simulations of amphiphilic co-dendrimers in dilute solution. Macromolecules, 37, 7381-7392. https://doi.org/10.1021/ma049638b

  8. Ronan Connolly, E.G. Timoshenko and Yu.A. Kuznetsov (2003). Monte Carlo simulations of infinitely dilute solutions of amphiphilic deblock star copolymers. Journal of Chemical Physics, 119, 8736. https://doi.org/10.1063/1.1610445

  9. E.G. Timoshenko, Yu.A. Kuznetsov and Ronan Connolly (2002). Confirmations of dendrimers in dilute solution. Journal of Chemical Physics, 117, 9050. https://doi.org/10.1063/1.1514571

 
Non peer-reviewed publications
COVID-19
  1. G.A. Quinn, C. ÓhAiseadha, Ronan Connolly and P. Hynds (2021). “A tale of two scientific paradigms: Conflicting scientific opinions on what ‘following the science’ means for SARS-CoV-2 and the COVID-19 pandemic”. OSF Preprints. August 11. doi:10.31219/osf.io/s9z2p.

Open Peer Review Journal articles
  1. Ronan Connolly and M. Connolly (2014). Urbanization bias III. Estimating the extent of bias in the Historical Climatology Network datasets. Open Peer Review Journal, 34 (Clim. Sci.), ver. 0.1 (non peer reviewed draft) http://oprj.net/articles/climate-science/34.

  2. Ronan Connolly and M. Connolly (2014). Urbanization bias II. An assessment of the NASA GISS urbanization adjustment method. Open Peer Review Journal, 31 (Clim. Sci.), ver. 0.1 (non peer reviewed draft) http://oprj.net/articles/climate-science/31.

  3. Ronan Connolly and M. Connolly (2014). Urbanization bias I. Is it a negligible problem for global temperature estimates? Open Peer Review Journal, 28 (Clim. Sci.), ver. 0.2 (non peer reviewed draft) http://oprj.net/articles/climate-science/28.

  4. M. Connolly and Ronan Connolly(2014). The physics of the Earth’s atmosphere III. Pervective power. Open Peer Review Journal, 25 (Clim. Sci.), ver. 0.1 (non peer reviewed draft) http://oprj.net/articles/atmospheric-science/25.

  5. M. Connolly and Ronan Connolly (2014). The physics of the Earth’s atmosphere II. Multimerization of atmospheric gases above the troposphere. Open Peer Review Journal, 22 (Clim. Sci.), ver. 0.1 (non peer reviewed draft) http://oprj.net/articles/atmospheric-science/22.

  6. M. Connolly and Ronan Connolly (2014). The physics of the Earth’s atmosphere I. Phase change associated with tropopause. Open Peer Review Journal, 19 (Clim. Sci.), ver. 0.1 (non peer reviewed draft) http://oprj.net/articles/atmospheric-science/19.

  7. Ronan Connolly and M. Connolly (2014). Global temperature changes of the last millennium. Open Peer Review Journal, 16 (Clim. Sci.), ver. 1.0 http://oprj.net/articles/climate-science/16.

  8. Ronan Connolly and M. Connolly (2014). Has poor station quality biased U.S. temperature trend estimates? Open Peer Review Journal, 11 (Clim. Sci.), ver. 0.1 (non peer reviewed draft). http://oprj.net/articles/climate-science/11.

Other climate science and environmental science articles
  1. W. Soon, R. Connolly, M. Connolly and others (2021). “‘Fact Checks’ by Non-Experts Are Shutting Down Genuine Scientific Inquiry”. The Epoch Times, 22 September 2021. Link to article.

  2. M. Connolly, R. Connolly, W. Soon, P. Moore and I. Connolly (2018). Analysis of Greenpeace’s business model & philosophy: Greenpeace wants a piece of your green. (Researchgate)

  3. R. Connolly, M. Connolly, I. Connolly and W. Soon (2017). Some key climate infographics. Prepared for the Heartland’s 12th International Conference on Climate Change, March 23-24, 2017, Washington, D.C., U.S.A.

  4. M. Connolly and R. Connolly (2017). Scientific opinions on climate change. Irish Farmers Journal, 17 June 2017, p30-31 (Paywalled).

  5. M. Connolly, R. Connolly and I. Connolly (2014). Yellow River wind farm: Assessment of Environmental Impact Statement.

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