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An experimental evaluation of the use of ?13C as a proxy for palaeoatmospheric CO2 (2018)
Journal Article
Lomax, B. H., Lake, J. A., Leng, M. J., & Jardine, P. E. (2019). An experimental evaluation of the use of ?13C as a proxy for palaeoatmospheric CO2. Geochimica et Cosmochimica Acta, 247, 162-174. https://doi.org/10.1016/j.gca.2018.12.026

Understanding changes in atmospheric CO2 over geological time via the development of well constrained and tested proxies is of increasing importance within the Earth sciences. Recently a new proxy (identified as the C3 proxy) has been proposed that i... Read More about An experimental evaluation of the use of ?13C as a proxy for palaeoatmospheric CO2.

Closure of the Bering Strait caused Mid-Pleistocene Transition cooling (2018)
Journal Article
Kender, S., Ravelo, A. C., Worne, S., Swann, G. E. A., Leng, M. J., Asahi, H., …Hall, I. R. (2018). Closure of the Bering Strait caused Mid-Pleistocene Transition cooling. Nature Communications, 9(1), Article 5386. https://doi.org/10.1038/s41467-018-07828-0

The Mid-Pleistocene Transition (MPT) is characterised by cooling and lengthening glacial cycles from 600–1200 ka, thought to be driven by reductions in glacial CO2 in particular from ~900 ka onwards. Reduced high latitude upwelling, a process that re... Read More about Closure of the Bering Strait caused Mid-Pleistocene Transition cooling.

Red Sea Palaeoclimate: Stable Isotope and Element-Ratio Analysis of Marine Mollusc Shells (2018)
Book Chapter
Hausmann, N., Kokkinaki, O., & Leng, M. J. (2019). Red Sea Palaeoclimate: Stable Isotope and Element-Ratio Analysis of Marine Mollusc Shells. In N. M. Rasullan, & C. F. Stewart (Eds.), Geological Setting, Palaeoenvironment and Archaeology of the Red Sea (725-740). Springer. https://doi.org/10.1007/978-3-319-99408-6_33

The southern Red Sea coast is the location of more than 4,200 archaeological shell midden sites. These shell middens preserve archaeological and climatic archives of unprecedented resolution and scale. By using shells from these contexts, it is possi... Read More about Red Sea Palaeoclimate: Stable Isotope and Element-Ratio Analysis of Marine Mollusc Shells.

A 6,000-year record of environmental change from the eastern Pacific margin of central Mexico (2018)
Journal Article
Davies, S. J., Metcalfe, S. E., Aston, B. J., Byrne, A. R., Champagne, M. R., Jones, M. D., …Noren, A. (2018). A 6,000-year record of environmental change from the eastern Pacific margin of central Mexico. Quaternary Science Reviews, 202, 211-224. https://doi.org/10.1016/j.quascirev.2018.11.008

The transition from the mid- to late-Holocene in MesoAmerica saw increasing complexity in spatial patterns of change. Records from the western part of the region are sparse, with lacustrine sequences affected by long term anthropogenic disturbance or... Read More about A 6,000-year record of environmental change from the eastern Pacific margin of central Mexico.

Essential tips for a rock-solid PhD: part III (2018)
Journal Article
Leng, M., & Mackay, A. (2018). Essential tips for a rock-solid PhD: part III. Geoscientist, 28(10), 28-29. https://doi.org/10.1144/geosci2018-025

We’ve previously explained how important it is to carefully choose your PhD project and supervisor, to manage your time and relationships, and given more detailed advice on the practical side of doing a PhD. To finish, we’ll cover social media, CVs a... Read More about Essential tips for a rock-solid PhD: part III.

Holocene glacier fluctuations and environmental changes in subantarctic South Georgia inferred from a sediment record from a coastal inlet (2018)
Journal Article
Berg, S., White, D. A., Jivcov, S., Melles, M., Leng, M. J., Rethemeyer, J., …Viehberg, F. (2019). Holocene glacier fluctuations and environmental changes in subantarctic South Georgia inferred from a sediment record from a coastal inlet. Quaternary Research, 91(1), 132-148. https://doi.org/10.1017/qua.2018.85

© 2018 University of Washington. Published by Cambridge University Press. The subantarctic island of South Georgia provides terrestrial and coastal marine records of climate variability, which are crucial for the understanding of the drivers of Holoc... Read More about Holocene glacier fluctuations and environmental changes in subantarctic South Georgia inferred from a sediment record from a coastal inlet.

Evidence for carbon cycling in a large freshwater lake in the Balkans over the last 0.5 million years using the isotopic composition of bulk organic matter (2018)
Journal Article
Zanchetta, G., Baneschi, I., Francke, A., Boschi, C., Regattieri, E., Wagner, B., …Sadori, L. (2018). Evidence for carbon cycling in a large freshwater lake in the Balkans over the last 0.5 million years using the isotopic composition of bulk organic matter. Quaternary Science Reviews, 202, 154-165. https://doi.org/10.1016/j.quascirev.2018.10.022

© 2018 Elsevier Ltd In the DEEP core from the Lake Ohrid ICDP drilling project, the carbon isotope composition of bulk organic matter (δ 13 C TOC ) over the last 516 ka shows a negative correlation with total organic carbon (TOC) and total inorganic... Read More about Evidence for carbon cycling in a large freshwater lake in the Balkans over the last 0.5 million years using the isotopic composition of bulk organic matter.

Middle-late quaternary palaeoclimate variability from lake and wetland deposits in the Nefud Desert, Northern Arabia (2018)
Journal Article
Parton, A., Clark-Balzan, L., Parker, A. G., Preston, G. W., Sung, W. W., Breeze, P. S., …Petraglia, M. D. (2018). Middle-late quaternary palaeoclimate variability from lake and wetland deposits in the Nefud Desert, Northern Arabia. Quaternary Science Reviews, https://doi.org/10.1016/j.quascirev.2018.10.010

Records of former lake and wetland development in present day arid/hyper-arid environments provide an important source of information for palaeoclimatic and palaeoenvironmental studies. In Arabia, such records are typically confined to eccentricity-m... Read More about Middle-late quaternary palaeoclimate variability from lake and wetland deposits in the Nefud Desert, Northern Arabia.

Paleoclimate change in Ethiopia around the last interglacial derived from annually-resolved stalagmite evidence (2018)
Journal Article
Asrat, A., Baker, A., Leng, M. J., Hellstrom, J., Mariethoz, G., Boomer, I., …Gunn, J. (2018). Paleoclimate change in Ethiopia around the last interglacial derived from annually-resolved stalagmite evidence. Quaternary Science Reviews, 202, 197-210. https://doi.org/10.1016/j.quascirev.2018.06.016

© 2018 Elsevier Ltd Oxygen and carbon (δ18Ο/δ13C) isotope, growth rate and trace element data are reported for a U-Th dated, annually-laminated stalagmite, GM1 from Goda Mea Cave, Ethiopia. The stalagmite grew intermittently around the last interglac... Read More about Paleoclimate change in Ethiopia around the last interglacial derived from annually-resolved stalagmite evidence.

Environmental change during MIS4 and MIS 3 opened corridors in the Horn of Africa for Homo sapiens expansion (2018)
Journal Article
Viehberg, F. A., Just, J., Dean, J. R., Wagner, B., Franz, S. O., Klasen, N., …Schäbitz, F. (2018). Environmental change during MIS4 and MIS 3 opened corridors in the Horn of Africa for Homo sapiens expansion. Quaternary Science Reviews, 202, 139-153. https://doi.org/10.1016/j.quascirev.2018.09.008

Archaeological findings, numerical human dispersal models and genome analyses suggest several time windows in the past 200 kyr (thousands of years ago) when anatomically modern humans (AMH) dispersed out of Africa into the Levant and/or Arabia. From... Read More about Environmental change during MIS4 and MIS 3 opened corridors in the Horn of Africa for Homo sapiens expansion.

Development of a southern hemisphere subtropical wetland (Welsby Lagoon, south-east Queensland, Australia) through the last glacial cycle (2018)
Journal Article
Cadd, H. R., Tibby, J., Barr, C., Tyler, J., Unger, L., Leng, M. J., …Baldock, J. (2018). Development of a southern hemisphere subtropical wetland (Welsby Lagoon, south-east Queensland, Australia) through the last glacial cycle. Quaternary Science Reviews, 202, 53-65. https://doi.org/10.1016/j.quascirev.2018.09.010

Continuous records of terrestrial environmental and climatic variability that extend beyond the Last Glacial Maximum (LGM) in Australia are rare. Furthermore, where long records do exist, interpretations of climate and ecological change can be hamper... Read More about Development of a southern hemisphere subtropical wetland (Welsby Lagoon, south-east Queensland, Australia) through the last glacial cycle.

A landscape perspective of Holocene organic carbon cycling in coastal SW Greenland lake-catchments (2018)
Journal Article
Anderson, N., Leng, M., Osburn, C., Fritz, S., Law, A., & McGowan, S. (2018). A landscape perspective of Holocene organic carbon cycling in coastal SW Greenland lake-catchments. Quaternary Science Reviews, 202, 98-108. https://doi.org/10.1016/j.quascirev.2018.09.006

Arctic organic carbon (OC) stores are substantial and have accumulated over millennia as a function of changes in climate and terrestrial vegetation. Arctic lakes are also important components of the regional C-cycle as they are sites of OC productio... Read More about A landscape perspective of Holocene organic carbon cycling in coastal SW Greenland lake-catchments.

The stable isotope composition of organic and inorganic fossils in lake sediment records: current understanding, challenges, and future directions (2018)
Journal Article
van Hardenbroek, M., Chakraborty, A., Davies, K., Harding, P., Heiri, O., Henderson, A., …Wooller, M. (2018). The stable isotope composition of organic and inorganic fossils in lake sediment records: current understanding, challenges, and future directions. Quaternary Science Reviews, 196, 154-176. https://doi.org/10.1016/j.quascirev.2018.08.003

This paper provides an overview of stable isotope analysis (H, C, N, O, Si) of the macro and microscopic remains from aquatic organisms found in lake sediment records and their application in (palaeo)environmental science. Aquatic organisms, includin... Read More about The stable isotope composition of organic and inorganic fossils in lake sediment records: current understanding, challenges, and future directions.

Investigating the environmental interpretation of oxygen and carbon isotope data from whole and fragmented bivalve shells (2018)
Journal Article
Lacey, J., Leng, M., Peckover, E., Dean, J., Wilke, T., Francke, A., …Wagner, B. (2018). Investigating the environmental interpretation of oxygen and carbon isotope data from whole and fragmented bivalve shells. Quaternary Science Reviews, 194, https://doi.org/10.1016/j.quascirev.2018.06.025

Sclerochronological data from whole bivalve shells have been used extensively to derive palaeoenvironmental information. However, little is known about the relevance of shell fragments more commonly preserved in the sediment record. Here, we investig... Read More about Investigating the environmental interpretation of oxygen and carbon isotope data from whole and fragmented bivalve shells.

Holocene atmospheric circulation in the central North Pacific: a new terrestrial diatom and δ18O dataset from the Aleutian Islands (2018)
Journal Article
Bailey, H. L., Kaufman, D. S., Sloane, H. J., Hubbard, A. L., Henderson, A. C., Leng, M. J., …Welker, J. M. (2018). Holocene atmospheric circulation in the central North Pacific: a new terrestrial diatom and δ18O dataset from the Aleutian Islands. Quaternary Science Reviews, 194, 27-38. https://doi.org/10.1016/j.quascirev.2018.06.027

The North Pacific is a zone of cyclogenesis that modulates synoptic-scale atmospheric circulation, yet there is a paucity of instrumental and paleoclimate data to fully constrain its long-term state and variability. We present the first Holocene oxyg... Read More about Holocene atmospheric circulation in the central North Pacific: a new terrestrial diatom and δ18O dataset from the Aleutian Islands.

Late Pleistocene-Holocene coastal adaptation in central Mediterranean: Snapshots from Grotta d’Oriente (NW Sicily) (2018)
Journal Article
Colonese, A., Lo Vetro, D., Landini, W., Di Giuseppe, Z., Hausmann, N., Demarchi, B., …Martini, F. (in press). Late Pleistocene-Holocene coastal adaptation in central Mediterranean: Snapshots from Grotta d’Oriente (NW Sicily). Quaternary International, https://doi.org/10.1016/j.quaint.2018.06.018

Marine faunal remains from Grotta d’Oriente (Favignana Island, NW Sicily) offer invaluable snapshots of human-coastal environment interaction in the central Mediterranean from the Late Pleistocene to the Middle Holocene. The long-term shellfish and f... Read More about Late Pleistocene-Holocene coastal adaptation in central Mediterranean: Snapshots from Grotta d’Oriente (NW Sicily).

Spatiotemporal Variability of Barium in Arctic Sea-Ice and Seawater (2018)
Journal Article
Hendry, K. R., Pyle, K. M., Butler, G. B., Cooper, A., Fransson, A., Chierici, M., …Dodd, P. A. (2018). Spatiotemporal Variability of Barium in Arctic Sea-Ice and Seawater. Journal of Geophysical Research: Oceans, 123(5), 3507-3522. https://doi.org/10.1029/2017jc013668

Freshwater export from the Arctic is critical in determining the density of water at sites of North Atlantic deep water formation, which in turn influences the global flux of oceanic heat and nutrients. We need geochemical tracers and high-resolution... Read More about Spatiotemporal Variability of Barium in Arctic Sea-Ice and Seawater.