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Controls on Sr/Ca, S/Ca, and Mg/Ca in Benthic Foraminifera: Implications for the Carbonate Chemistry of the Pacific Ocean Over the Last 350 ky (2024)
Journal Article
Lawson, V. J., Rosenthal, Y., Bova, S. C., Lambert, J., Linsley, B. K., Bu, K., Clementi, V. J., Elmore, A., & McClymont, E. L. (2024). Controls on Sr/Ca, S/Ca, and Mg/Ca in Benthic Foraminifera: Implications for the Carbonate Chemistry of the Pacific Ocean Over the Last 350 ky. Geochemistry, Geophysics, Geosystems, 25(8), Article e2024GC011508. https://doi.org/10.1029/2024gc011508

Boron to calcium (B/Ca) records in benthic foraminifera, used for reconstructing the carbonate ion saturation state (ΔCO3) of the deep ocean, suggest that carbon sequestration in the Southern Pacific contributed to lowering atmospheric CO2 during the... Read More about Controls on Sr/Ca, S/Ca, and Mg/Ca in Benthic Foraminifera: Implications for the Carbonate Chemistry of the Pacific Ocean Over the Last 350 ky.

Paleoclimate data provide constraints on climate models' large-scale response to past CO2 changes (2024)
Journal Article
Lunt, D. J., Otto-Bliesner, B. L., Brierley, C., Haywood, A., Inglis, G. N., Izumi, K., Kageyama, M., Kaufman, D., Mauritsen, T., McClymont, E. L., Salzmann, U., Steinig, S., Tierney, J. E., Zhao, A., & Zhu, J. (2024). Paleoclimate data provide constraints on climate models' large-scale response to past CO2 changes. Communications Earth & Environment, 5(1), https://doi.org/10.1038/s43247-024-01531-3

The paleoclimate record provides a test-bed in which climate models can be evaluated under conditions of substantial CO2 change; however, these data are typically under-used in the process of model development and evaluation. Here, we use a set of me... Read More about Paleoclimate data provide constraints on climate models' large-scale response to past CO2 changes.

Controls on Sr/Ca, S/Ca, and Mg/Ca in Benthic Foraminifera: Implications for the Carbonate Chemistry of the Pacific Ocean Over the Last 350 ky (2024)
Journal Article
Lawson, V. J., Rosenthal, Y., Bova, S. C., Lambert, J., Linsley, B. K., Bu, K., Clementi, V. J., Elmore, A., & McClymont, E. L. (2024). Controls on Sr/Ca, S/Ca, and Mg/Ca in Benthic Foraminifera: Implications for the Carbonate Chemistry of the Pacific Ocean Over the Last 350 ky. Geochemistry, Geophysics, Geosystems, 25(8), Article e2024GC011508. https://doi.org/10.1029/2024gc011508

Boron to calcium (B/Ca) records in benthic foraminifera, used for reconstructing the carbonate ion saturation state (ΔCO3) of the deep ocean, suggest that carbon sequestration in the Southern Pacific contributed to lowering atmospheric CO2 during the... Read More about Controls on Sr/Ca, S/Ca, and Mg/Ca in Benthic Foraminifera: Implications for the Carbonate Chemistry of the Pacific Ocean Over the Last 350 ky.

South Georgia marine productivity over the past 15 ka and implications for glacial evolution (2024)
Journal Article
Wilkin, J. T. R., Kender, S., Dejardin, R., Allen, C. S., Peck, V. L., Swann, G. E. A., …Leng, M. J. (2024). South Georgia marine productivity over the past 15 ka and implications for glacial evolution. Journal of Micropalaeontology, 43(1), 165-186. https://doi.org/10.5194/jm-43-165-2024

The subantarctic islands of South Georgia are located in the Southern Ocean, and they may be sensitive to future climate warming. However, due to a lack of well-dated subantarctic palaeoclimate archives, there is still uncertainty about South Georgia... Read More about South Georgia marine productivity over the past 15 ka and implications for glacial evolution.

The role of atmospheric CO2 in controlling sea surface temperature change during the Pliocene (2024)
Journal Article
Burton, L. E., Haywood, A. M., Tindall, J. C., Dolan, A. M., Hill, D. J., McClymont, E. L., …Ford, H. L. (2024). The role of atmospheric CO2 in controlling sea surface temperature change during the Pliocene. Climate of the Past, 20(5), 1177-1194. https://doi.org/10.5194/cp-20-1177-2024

We present the role of CO2 forcing in controlling Late Pliocene sea surface temperature (SST) change using six models from Phase 2 of the Pliocene Model Intercomparison Project (PlioMIP2) and palaeoclimate proxy data from the PlioVAR working group. A... Read More about The role of atmospheric CO2 in controlling sea surface temperature change during the Pliocene.

Plio‐Pleistocene Southwest African Hydroclimate Modulated by Benguela and Indian Ocean Temperatures (2023)
Journal Article
Rubbelke, C. B., Bhattacharya, T., Feng, R., Burls, N. J., Knapp, S., & McClymont, E. L. (2023). Plio‐Pleistocene Southwest African Hydroclimate Modulated by Benguela and Indian Ocean Temperatures. Geophysical Research Letters, 50(19), Article e2023GL103003. https://doi.org/10.1029/2023gl103003

Future projections of southwestern African hydroclimate are highly uncertain. However, insights from past warm climates, like the Pliocene, can reveal mechanisms of future change and help benchmark models. Using leaf wax hydrogen isotopes to reconstr... Read More about Plio‐Pleistocene Southwest African Hydroclimate Modulated by Benguela and Indian Ocean Temperatures.

Composition of planktonic foraminifera test-bound organic material and implications for carbon cycle reconstructions (2023)
Journal Article
Paoloni, T., Hoogakker, B., Navarro Rodriguez, A., Pereira, R., McClymont, E. L., Jovane, L., & Magill, C. (2023). Composition of planktonic foraminifera test-bound organic material and implications for carbon cycle reconstructions. Frontiers in Marine Science, 10, Article 1237440. https://doi.org/10.3389/fmars.2023.1237440

Introduction: Foraminiferal shells are extensively used to reconstruct the marine environment in the geological past. The foraminifera test-bound organic material (FBOM), sheltered by the test from potential diagenetic alteration and contamination, h... Read More about Composition of planktonic foraminifera test-bound organic material and implications for carbon cycle reconstructions.

Biomarker proxies for reconstructing Quaternary climate and environmental change (2023)
Journal Article
McClymont, E. L., Mackay, H., Stevenson, M. A., Damm-Johnsen, T., Honan, E. M., Penny, C. E., & Cole, Y. A. (2023). Biomarker proxies for reconstructing Quaternary climate and environmental change. Journal of Quaternary Science, 38(7), 991-1024. https://doi.org/10.1002/jqs.3559

To reconstruct past environmental changes, a range of indirect or proxy approaches can be applied to Quaternary archives. Here, we review the complementary and novel insights which have been provided by the analysis of chemical fossils (biomarkers).... Read More about Biomarker proxies for reconstructing Quaternary climate and environmental change.

Amplified surface warming in the south-west Pacific during the mid-Pliocene (3.3–3.0 Ma) and future implications (2023)
Journal Article
Grant, G. R., Williams, J. H. T., Naeher, S., Seki, O., McClymont, E. L., Patterson, M. O., …Johnson, K. (2023). Amplified surface warming in the south-west Pacific during the mid-Pliocene (3.3–3.0 Ma) and future implications. Climate of the Past, 19(7), 1359-1381. https://doi.org/10.5194/cp-19-1359-2023

Based on Nationally Determined Contributions concurrent with Shared Socioeconomic Pathways (SSPs) 2-4.5, the IPCC predicts global warming of 2.1–3.5 ∘C (very likely range 10–90th percentile) by 2100 CE. However, global average temperature is a poor i... Read More about Amplified surface warming in the south-west Pacific during the mid-Pliocene (3.3–3.0 Ma) and future implications.

Climate Evolution Through the Onset and Intensification of Northern Hemisphere Glaciation (2023)
Journal Article
McClymont, E., Ho, S., Ford, H., Bailey, I., Berke, M., Bolton, C., …Tangunan, D. (2023). Climate Evolution Through the Onset and Intensification of Northern Hemisphere Glaciation. Reviews of Geophysics, 61(3), Article e2022RG000793. https://doi.org/10.1029/2022rg000793

The Pliocene Epoch (~5.3-2.6 million years ago, Ma) was characterized by a warmer than present climate with smaller Northern Hemisphere ice sheets, and offers an example of a climate system in long-term equilibrium with current or predicted near-futu... Read More about Climate Evolution Through the Onset and Intensification of Northern Hemisphere Glaciation.

Buoyancy forcing: A key driver for northern North Atlantic SST variability across multiple time scales (2023)
Journal Article
Risebrobakken, B., Jensen, M. F., Langehaug, H. R., Eldevik, T., Britt Sandø, A., Li, C., …De Schepper, S. (2023). Buoyancy forcing: A key driver for northern North Atlantic SST variability across multiple time scales. Climate of the Past, 19(5), 1101–1123. https://doi.org/10.5194/cp-19-1101-2023

Analyses of observational data (from year 1870 AD) show that sea surface temperature (SST) anomalies along the pathway of Atlantic Water transport in the North Atlantic, the Norwegian Sea and the Iceland Sea are spatially coherent at multidecadal tim... Read More about Buoyancy forcing: A key driver for northern North Atlantic SST variability across multiple time scales.

Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments (2023)
Journal Article
Smith, J. A., Callard, L., Bentley, M. J., Jamieson, S. S., Sánchez-Montes, M. L., Lane, T. P., …Roberts, D. H. (2023). Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments. The Cryosphere, 17(3), https://doi.org/10.5194/tc-17-1247-2023

Nioghalvfjerdsbrae, or 79◦ N Glacier, is the largest marine-terminating glacier draining the Northeast Greenland Ice Stream (NEGIS). In recent years, its ∼ 70 km long fringing ice shelf (hereafter referred to as the 79◦ N ice shelf) has thinned, and... Read More about Holocene history of the 79° N ice shelf reconstructed from epishelf lake and uplifted glaciomarine sediments.

The PhanSST global database of Phanerozoic sea surface temperature proxy data (2022)
Journal Article
Judd, E. J., Tierney, J. E., Huber, B. T., Wing, S. L., Lunt, D. J., Ford, H. L., …Zhang, Y. G. (2022). The PhanSST global database of Phanerozoic sea surface temperature proxy data. Scientific Data, 9(1), Article 753. https://doi.org/10.1038/s41597-022-01826-0

Paleotemperature proxy data form the cornerstone of paleoclimate research and are integral to understanding the evolution of the Earth system across the Phanerozoic Eon. Here, we present PhanSST, a database containing over 150,000 data points from fi... Read More about The PhanSST global database of Phanerozoic sea surface temperature proxy data.

Planktonic foraminifera organic carbon isotopes as archives of upper ocean carbon cycling (2022)
Journal Article
Hoogakker, B., Anderson, C., Paoloni, T., Scott, A., Grant, H., Keenan, P., …Peck, V. (2022). Planktonic foraminifera organic carbon isotopes as archives of upper ocean carbon cycling. Nature Communications, 13, Article 4841. https://doi.org/10.1038/s41467-022-32480-0

The carbon cycle is a key regulator of Earth’s climate. On geological time-scales, our understanding of particulate organic matter (POM), an important upper ocean carbon pool that fuels ecosystems and an integrated part of the carbon cycle, is limite... Read More about Planktonic foraminifera organic carbon isotopes as archives of upper ocean carbon cycling.

Plio-Pleistocene ocean circulation changes in the GOA and its impacts on the carbon and nitrogen cycles and the CIS development (2022)
Journal Article
Sánchez Montes, M., Romero, O., Cowan, A., Müller, J., Moy, C., LLoyd, J., & McClymont, E. (2022). Plio-Pleistocene ocean circulation changes in the GOA and its impacts on the carbon and nitrogen cycles and the CIS development. Paleoceanography and Paleoclimatology, 37(7), Article e2021PA004341. https://doi.org/10.1029/2021pa004341

The modern Gulf of Alaska (GOA) is a high nutrient low chlorophyll (HNLC) region, estimated to be important for nutrient cycling and CO2 exchange. Little is known of the GOA evolution over the Pliocene and Pleistocene as well as its impact on the Cor... Read More about Plio-Pleistocene ocean circulation changes in the GOA and its impacts on the carbon and nitrogen cycles and the CIS development.

A multiproxy approach to long-term herbivore grazing dynamics in peatlands based on pollen, coprophilous fungi and faecal biomarkers (2022)
Journal Article
Davies, A., Harrault, L., Milek, K., McClymont, E., Dallimer, M., Hamilton, A., & Warburton, J. (2022). A multiproxy approach to long-term herbivore grazing dynamics in peatlands based on pollen, coprophilous fungi and faecal biomarkers. Palaeogeography, Palaeoclimatology, Palaeoecology, 598, Article 111032. https://doi.org/10.1016/j.palaeo.2022.111032

Herbivory plays a significant role in regulating many contemporary terrestrial plant ecosystems, but remains an imperfectly understood component of past ecosystem dynamics because the diagnostic capability of methods is still being tested and refined... Read More about A multiproxy approach to long-term herbivore grazing dynamics in peatlands based on pollen, coprophilous fungi and faecal biomarkers.