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Professor MELANIE LENG's Outputs (154)

Controls on amorphous organic matter type and sulphurization in a Mississippian black shale (2019)
Journal Article
Emmings, J. F., Hennissen, J. A., Stephenson, M. H., Poulton, S. W., Vane, C. H., Davies, S. J., Leng, M. J., Lamb, A., & Moss-Hayes, V. (2019). Controls on amorphous organic matter type and sulphurization in a Mississippian black shale. Review of Palaeobotany and Palynology, 268, 1-18. https://doi.org/10.1016/j.revpalbo.2019.04.004

Paleoredox proxies (Fe speciation, trace element and δ34Spy) integrated with sedimentological and palynological observations link the distribution and type of particulate organic matter (OM) preserved to hydrocarbon source rock potential. In the Miss... Read More about Controls on amorphous organic matter type and sulphurization in a Mississippian black shale.

Sediment residence time reveals Holocene shift from climatic to vegetation control on catchment erosion in the Balkans (2019)
Journal Article
Francke, A., Dosseto, A., Panagiotopoulos, K., Leicher, N., Lacey, J. H., Kyrikou, S., Wagner, B., Zanchetta, G., Kouli, K., & Leng, M. J. (2019). Sediment residence time reveals Holocene shift from climatic to vegetation control on catchment erosion in the Balkans. Global and Planetary Change, 177, 186-200. https://doi.org/10.1016/j.gloplacha.2019.04.005

Understanding the evolution of soil systems on geological time scales has become fundamentally important to predict future landscape development in light of rapid global warming and intensifying anthropogenic impact. Here, we use an innovative uraniu... Read More about Sediment residence time reveals Holocene shift from climatic to vegetation control on catchment erosion in the Balkans.

A High‐Fidelity Benthic Stable Isotope Record of Late Cretaceous–Early Eocene Climate Change and Carbon‐Cycling (2019)
Journal Article
Barnet, J., Littler, K., Westerhold, T., Kroon, D., Leng, M., Bailey, I., Röhl, U., & Zachos, J. (2019). A High‐Fidelity Benthic Stable Isotope Record of Late Cretaceous–Early Eocene Climate Change and Carbon‐Cycling. Paleoceanography and Paleoclimatology, 34(4), 672-691. https://doi.org/10.1029/2019pa003556

The Late Cretaceous–Early Paleogene is the most recent period in Earth history that experienced sustained global greenhouse warmth on multimillion year timescales. Yet, knowledge of ambient climate conditions and the complex interplay between various... Read More about A High‐Fidelity Benthic Stable Isotope Record of Late Cretaceous–Early Eocene Climate Change and Carbon‐Cycling.

Role of Asian summer monsoon subsystems in the inter-hemispheric progression of deglaciation (2019)
Journal Article
Nilsson-Kerr, K., Anand, P., Sexton, P. F., Leng, M. J., Misra, S., Clemens, S. C., & Hammond, S. J. (2019). Role of Asian summer monsoon subsystems in the inter-hemispheric progression of deglaciation. Nature Geoscience, 12(4), 290-295. https://doi.org/10.1038/s41561-019-0319-5

The responses of Asian monsoon subsystems to both hemispheric climate forcing and external orbital forcing are currently issues of vigorous debate. The Indian summer monsoon is the dominant monsoon subsystem in terms of energy flux, constituting one... Read More about Role of Asian summer monsoon subsystems in the inter-hemispheric progression of deglaciation.

Holocene El Niño–Southern Oscillation variability reflected in subtropical Australian precipitation (2019)
Journal Article
Barr, C., Tibby, J., Leng, M., Tyler, J., Henderson, A., Overpeck, J., Simpson, G., Cole, J., Phipps, S., Marshall, J., McGregor, G., Hua, Q., & McRobie, F. (2019). Holocene El Niño–Southern Oscillation variability reflected in subtropical Australian precipitation. Scientific Reports, 9, Article 1627. https://doi.org/10.1038/s41598-019-38626-3

The La Niña and El Niño phases of the El Niño-Southern Oscillation (ENSO) have major impacts on regional rainfall patterns around the globe, with substantial environmental, societal and economic implications. Long-term perspectives on ENSO behaviour,... Read More about Holocene El Niño–Southern Oscillation variability reflected in subtropical Australian precipitation.

Seasonal scheduling of shellfish collection in the Middle and Later Stone Ages of southern Africa (2019)
Journal Article
Loftus, E., Lee-Thorp, J., Leng, M., Marean, C., & Sealy, J. (2019). Seasonal scheduling of shellfish collection in the Middle and Later Stone Ages of southern Africa. Journal of Human Evolution, 128, 1-16. https://doi.org/10.1016/j.jhevol.2018.12.009

This study assesses the seasonal scheduling of shellfish harvesting among hunter-gatherer populations along the southernmost coast of South Africa, based on a large number of serial oxygen isotope analyses of marine mollusk shells from four archaeolo... Read More about Seasonal scheduling of shellfish collection in the Middle and Later Stone Ages of southern Africa.

An experimental evaluation of the use of Δ13C 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 Δ13C 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 Δ13C 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., Becker, J., Detlef, H., Aiello, I. W., Andreasen, D., & 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., Leng, M. J., & 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., Allen, C., Perren, B., Bennike, O., & 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., Lacey, J. H., Leng, M. J., Vogel, H., & 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., Leng, M. J., Groucutt, H. S., White, T. S., Alsharekh, A., & Petraglia, M. D. (2018). Middle-late Quaternary palaeoclimate variability from lake and wetland deposits in the Nefud Desert, Northern Arabia. Quaternary Science Reviews, 202, 78-97. 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., Yu, D., Jex, C. N., & 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., Kleinen, T., Ludwig, P., Asrat, A., Lamb, H. F., Leng, M. J., Rethemeyer, J., Milodowski, A. E., Claussen, M., & 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., Marshall, J. C., McGregor, G., Lewis, R., Arnold, L. J., Lewis, T., & 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.