Professor Darren Grocke's Outputs (152)

Efficient preservation of young terrestrial organic carbon in sandy turbidity current deposits (2020)
Journal Article
Hage, S., Galy, V., Cartigny, M., Acikalin, S., Clare, M., Gröcke, D., Hilton, R., Hunt, J., Lintern, D., McGhee, C., Parsons, D., Stacey, C., Sumner, E., & Talling, P. (2020). Efficient preservation of young terrestrial organic carbon in sandy turbidity current deposits. Geology, 48(9), 882-887. https://doi.org/10.1130/g47320.1

Burial of terrestrial biospheric particulate organic carbon in marine sediments removes CO2 from the atmosphere, regulating climate over geologic time scales. Rivers deliver terrestrial organic carbon to the sea, while turbidity currents transport ri... Read More about Efficient preservation of young terrestrial organic carbon in sandy turbidity current deposits.

“Captain of All These Men of Death”: An Integrated Case Study of Tuberculosis in Nineteenth-Century Otago, New Zealand (2020)
Journal Article
Snoddy, A. M., Buckley, H., King, C., Kinaston, R., Nowell, G., Gröcke, D., Duncan, W., & Petchey, P. (2020). “Captain of All These Men of Death”: An Integrated Case Study of Tuberculosis in Nineteenth-Century Otago, New Zealand. Bioarchaeology international, 3(4), 217-237. https://doi.org/10.5744/bi.2019.1014

The South Island of New Zealand saw several major waves of migration in the mid-nineteenth century, predominantly from Europe but also with an ethnically distinct Chinese presence. The rural community of Milton, Otago, was a settler community establi... Read More about “Captain of All These Men of Death”: An Integrated Case Study of Tuberculosis in Nineteenth-Century Otago, New Zealand.

A multi-isotope (C, N, O, Sr, Pb) study of Iron Age and Roman period skeletons from east Edinburgh, Scotland exploring the relationship between decapitation burials and geographical origins (2019)
Journal Article
Moore, J., Rose, A., Anderson, S., Evans, J., Nowell, G., Grocke, D., Pashley, V., Kirby, M., & Montgomery, J. (2020). A multi-isotope (C, N, O, Sr, Pb) study of Iron Age and Roman period skeletons from east Edinburgh, Scotland exploring the relationship between decapitation burials and geographical origins. Journal of Archaeological Science: Reports, 29, Article 102075. https://doi.org/10.1016/j.jasrep.2019.102075

Recent excavations at Musselburgh, East Lothian (Scotland) revealed twelve skeletons, radiocarbon dated to the Iron Age and Roman period. The high incidence of skeletal trauma characteristic of decapitation in those of Roman date makes this site unus... Read More about A multi-isotope (C, N, O, Sr, Pb) study of Iron Age and Roman period skeletons from east Edinburgh, Scotland exploring the relationship between decapitation burials and geographical origins.

At the world’s edge: reconstructing diet and geographic origins in medieval Iceland using isotope and trace element analyses (2019)
Journal Article
Walser, J. W. I., Kristjánsdóttir, S., Gröcke, D. R., Gowland, R., Jakob, T., Nowell, G., Ottley, C., & Montgomery, J. (2020). At the world’s edge: reconstructing diet and geographic origins in medieval Iceland using isotope and trace element analyses. American journal of physical anthropology, 171(1), 142-163. https://doi.org/10.1002/ajpa.23973

Objectives. A multi-isotope study was conducted on individuals buried at Skriðuklaustur monastery (AD 1493–1554) to investigate their geographic origins and dietary composition. Comparative material from individuals excavated from Skeljastaðir, an in... Read More about At the world’s edge: reconstructing diet and geographic origins in medieval Iceland using isotope and trace element analyses.

Effects of chemical pretreatment and intra- and inter-specimen variability on δ18O of aquatic insect remains (2019)
Journal Article
Clarke, C., Gröcke, D., Elias, S., Langdon, P., & van Hardenbroek, M. (2019). Effects of chemical pretreatment and intra- and inter-specimen variability on δ18O of aquatic insect remains. Journal of Paleolimnology, 62(2), 195-204. https://doi.org/10.1007/s10933-019-00085-1

Oxygen isotope (δ18O) measurements on the exoskeletons of aquatic insects can be used to reconstruct changes in the δ18O of ambient water and, indirectly, to infer the climate and environmental conditions at the time of tissue synthesis. Prior to sta... Read More about Effects of chemical pretreatment and intra- and inter-specimen variability on δ18O of aquatic insect remains.

Childhood “stress” and stable isotope life-histories in Transylvania (2019)
Journal Article
Crowder, K., Montgomery, J., Gröcke, D., & Filipek, K. (2019). Childhood “stress” and stable isotope life-histories in Transylvania. International Journal of Osteoarchaeology, 29(4), 644-653. https://doi.org/10.1002/oa.2760

Aims and Objectives: Macroscopic skeletal analysis and stable carbon and nitrogen isotope analyses were employed to examine the relationship between skeletal “stress” lesions and changes in the isotopic life‐history profiles of six non‐adults from th... Read More about Childhood “stress” and stable isotope life-histories in Transylvania.

The isotopic composition and fluxes of particulate organic carbon exported from the eastern margin of the Tibetan Plateau (2019)
Journal Article
Wang, J., Hilton, R. G., Jin, Z., Zhang, F., Densmore, A. L., Gröcke, D. R., Xu, X., Li, G., & Joshua West, A. (2019). The isotopic composition and fluxes of particulate organic carbon exported from the eastern margin of the Tibetan Plateau. Geochimica et Cosmochimica Acta, 252, 1-15. https://doi.org/10.1016/j.gca.2019.02.031

Erosion of organic carbon from the terrestrial biosphere and sedimentary rocks plays an important role in the global carbon cycle across a range of timescales. Over geological timescales (>104 years), erosion and burial of particulate organic carbon... Read More about The isotopic composition and fluxes of particulate organic carbon exported from the eastern margin of the Tibetan Plateau.

"Investigation of a Historical Crime Scene" - A Comprehensive Study of an Unusual Burial in the Calvinist Church of Sóly, Hungary (2019)
Journal Article
László, O., Millard, A. R., Gröcke, D., Rácz, M., & Nowell, G. (2019). "Investigation of a Historical Crime Scene" - A Comprehensive Study of an Unusual Burial in the Calvinist Church of Sóly, Hungary. Journal of Archaeological Science: Reports, 25, 320-330. https://doi.org/10.1016/j.jasrep.2019.04.015

A rescue excavation in the Chapel of the Presbyterian Church of Sóly, explored a grave of two men in an unusual position among 20 other child burials in 2008-2009. The burial is dated to the early modern (16-17th century AD) Period. The 45-50-year-ol... Read More about "Investigation of a Historical Crime Scene" - A Comprehensive Study of an Unusual Burial in the Calvinist Church of Sóly, Hungary.

Terrestrial sources as the primary delivery mechanism of mercury to the oceans across the Toarcian Oceanic Anoxic Event (Early Jurassic) (2018)
Journal Article
Them, T., Jagoe, C., Caruthers, A., Gill, B., Grasby, S., Gröcke, D., …Owens, J. (2018). Terrestrial sources as the primary delivery mechanism of mercury to the oceans across the Toarcian Oceanic Anoxic Event (Early Jurassic). Earth and Planetary Science Letters, 507, 62-72. https://doi.org/10.1016/j.epsl.2018.11.029

This study evaluates the utility of sedimentary mercury (Hg) contents as a proxy for fingerprinting ancient massive volcanism, which is often associated with biogeochemical perturbations. Herein we present new Hg geochemical data from anoxic marine b... Read More about Terrestrial sources as the primary delivery mechanism of mercury to the oceans across the Toarcian Oceanic Anoxic Event (Early Jurassic).

A Meeting In The Forest: Hunters And Farmers At The Coneybury ‘Anomaly’, Wiltshire (2018)
Journal Article
Gron, K. J., Rowley-Conwy, P., Fernandez-Dominguez, E., Gröcke, D. R., Montgomery, J., Nowell, G. M., & Patterson, W. P. (2018). A Meeting In The Forest: Hunters And Farmers At The Coneybury ‘Anomaly’, Wiltshire. Proceedings of the Prehistoric Society, 84, 111-144. https://doi.org/10.1017/ppr.2018.15

The Coneybury ‘Anomaly’ is an Early Neolithic pit located just south-east of Stonehenge, Wiltshire. Excavations recovered a faunal assemblage unique in its composition, consisting of both wild and domestic species, as well as large quantities of cera... Read More about A Meeting In The Forest: Hunters And Farmers At The Coneybury ‘Anomaly’, Wiltshire.

Thallium isotopes reveal protracted anoxia during the Toarcian (Early Jurassic) associated with volcanism, carbon burial, and mass extinction (2018)
Journal Article
Them, T. R., Gill, B. C., Caruthers, A. H., Gerhardt, A. M., Gröcke, D. R., Lyons, T. W., Marroquín, S. M., Nielsen, S. G., Trabucho Alexandre, J. P., & Owens, J. D. (2018). Thallium isotopes reveal protracted anoxia during the Toarcian (Early Jurassic) associated with volcanism, carbon burial, and mass extinction. Proceedings of the National Academy of Sciences, 115(26), 6596-6601. https://doi.org/10.1073/pnas.1803478115

For this study, we generated thallium (Tl) isotope records from two anoxic basins to track the earliest changes in global bottom water oxygen contents over the Toarcian Oceanic Anoxic Event (TOAE; ∼183 Ma) of the Early Jurassic. The T-OAE, like other... Read More about Thallium isotopes reveal protracted anoxia during the Toarcian (Early Jurassic) associated with volcanism, carbon burial, and mass extinction.

Utility of organic carbon isotope data from the Salina Group halite (Michigan Basin): A new tool for stratigraphic correlation and paleoclimate proxy resource (2018)
Journal Article
Caruthers, A. H., Gröcke, D. R., Kaczmarek, S. E., Rine, M. J., Kuglitsch, J., & Harrison, W. B. (2018). Utility of organic carbon isotope data from the Salina Group halite (Michigan Basin): A new tool for stratigraphic correlation and paleoclimate proxy resource. GSA Bulletin, 130(11/12), 1782-1790. https://doi.org/10.1130/b31972.1

Long-term global carbon isotope records (δ13Ccarb and δ13Corg) for the Silurian have been largely derived from unrestricted openmarine carbonates and shales. Here, we demonstrate how organic carbon harvested from halite-dominated evaporite deposits i... Read More about Utility of organic carbon isotope data from the Salina Group halite (Michigan Basin): A new tool for stratigraphic correlation and paleoclimate proxy resource.

Estudio isotópico del consumo de recursos maritimos y terrestres en la prehistoria del desierto de Atacama (Isotopic study of marine and terrestrial resources in the prehistory of the Atacama Desert) (2018)
Journal Article
King, C., Arriaza, B., Standen, V., Millard, A., Gröcke, D., Muñoz, I., & Halcrow, S. (2018). Estudio isotópico del consumo de recursos maritimos y terrestres en la prehistoria del desierto de Atacama (Isotopic study of marine and terrestrial resources in the prehistory of the Atacama Desert). Chungara (Arica. En línea), 50(3), 369-396. https://doi.org/10.4067/s0717-73562018005000802

Este trabajo explora desde una perspectiva diacrónica la dieta de las poblaciones prehispánicas de la región de Arica mediante análisis isotópicos de δ13C y δ15N, con el propósito de evaluar si hubieron cambios en los patrones dietarios desde los pri... Read More about Estudio isotópico del consumo de recursos maritimos y terrestres en la prehistoria del desierto de Atacama (Isotopic study of marine and terrestrial resources in the prehistory of the Atacama Desert).

Genomics of habitat choice and adaptive evolution in a deep-sea fish (2018)
Journal Article
Gaither, M. R., Gkafas, G. A., de Jong, M., Sarigol, F., Neat, F., Regnier, T., Moore, D., Grӧcke, D. R., Hall, N., Liu, X., Kenny, J., Lucaci, A., Hughes, M., Haldenby, S., & Hoelzel, A. R. (2018). Genomics of habitat choice and adaptive evolution in a deep-sea fish. Nature Ecology and Evolution, 2(4), 680-687. https://doi.org/10.1038/s41559-018-0482-x

Intraspecific diversity promotes evolutionary change, and when partitioned among geographic regions or habitats can form the basis for speciation. Marine species live in an environment that can provide as much scope for diversification in the vertica... Read More about Genomics of habitat choice and adaptive evolution in a deep-sea fish.

2H‐fractionations during the biosynthesis of carbohydrates and lipids imprint a metabolic signal on the δ2H values of plant organic compounds (2018)
Journal Article
Cormier, M., Werner, R. A., Sauer, P. E., Gröcke, D. R., Leuenberger, M. C., Wieloch, T., …Kahmen, A. (2018). 2H‐fractionations during the biosynthesis of carbohydrates and lipids imprint a metabolic signal on the δ2H values of plant organic compounds. New Phytologist, 218(2), 479-491. https://doi.org/10.1111/nph.15016

Summary: Hydrogen (H) isotope ratio (δ2H) analyses of plant organic compounds have been applied to assess ecohydrological processes in the environment despite a large part of the δ2H variability observed in plant compounds not being fully elucidated.... Read More about 2H‐fractionations during the biosynthesis of carbohydrates and lipids imprint a metabolic signal on the δ2H values of plant organic compounds.

Let's talk about stress, baby! Infant-feeding practices and stress in the ancient Atacama desert, Northern Chile (2018)
Journal Article
King, C. L., Halcrow, S. E., Millard, A. R., Gröcke, D. R., Standen, V. G., Portilla, M., & Arriaza, B. T. (2018). Let's talk about stress, baby! Infant-feeding practices and stress in the ancient Atacama desert, Northern Chile. American journal of physical anthropology, 166(1), 139-155. https://doi.org/10.1002/ajpa.23411

Aims and objectives: The transition to an agricultural economy is often presumed to involve an increase in female fertility related to changes in weaning practice. In particular, the availability of staple crops as complementary foods is hypothesized... Read More about Let's talk about stress, baby! Infant-feeding practices and stress in the ancient Atacama desert, Northern Chile.

The wider context of the Lower Jurassic Toarcian oceanic anoxic event in Yorkshire coastal outcrops, UK (2017)
Journal Article
Thibault, N., Ruhl, M., Ullmann, C. V., Korte, C., Kemp, D. B., Gröcke, D. R., & Hesselbo, S. P. (2018). The wider context of the Lower Jurassic Toarcian oceanic anoxic event in Yorkshire coastal outcrops, UK. Proceedings of the Geologists' Association, 129(3), 372-391. https://doi.org/10.1016/j.pgeola.2017.10.007

The Toarcian Oceanic Anoxic Event (T-OAE, ∼183 Ma) was characterized by enhanced carbon burial, a prominent negative carbon-isotope excursion (CIE) in marine carbonate and organic matter, and numerous geochemical anomalies. A precursor excursion has... Read More about The wider context of the Lower Jurassic Toarcian oceanic anoxic event in Yorkshire coastal outcrops, UK.

Mountain glaciation drives rapid oxidation of rock-bound organic carbon (2017)
Journal Article
Horan, K., Hilton, R., Selby, D., Ottley, C., Gröcke, D., Hicks, M., & Burton, K. (2017). Mountain glaciation drives rapid oxidation of rock-bound organic carbon. Science Advances, 3(10), Article e1701107. https://doi.org/10.1126/sciadv.1701107

Over millions of years, the oxidation of organic carbon contained within sedimentary rocks is one of the main sources of carbon dioxide to the atmosphere, yet the controls on this emission remain poorly constrained. We use rhenium to track the oxidat... Read More about Mountain glaciation drives rapid oxidation of rock-bound organic carbon.

‘From the mouths of babes’: a subadult dietary stable isotope perspective on Roman London (Londinium) (2017)
Journal Article
Redfern, R., Gowland, R., Millard, A., Powell, L., & Gröcke, D. (2018). ‘From the mouths of babes’: a subadult dietary stable isotope perspective on Roman London (Londinium). Journal of Archaeological Science, 19, 1030-1040. https://doi.org/10.1016/j.jasrep.2017.08.015

Londinium (48–410 CE) was the focus for Roman administration and trade in Britain; it was established and inhabited by people from across the Empire who continued to practice their diverse food-ways. Roman London was a unique settlement, whose fluctu... Read More about ‘From the mouths of babes’: a subadult dietary stable isotope perspective on Roman London (Londinium).

Toward more accurate temperature reconstructions based on oxygen isotopes of subfossil chironomid head-capsules in Australia (2017)
Journal Article
Chang, J., Shulmeister, J., Gröcke, D., & Woodward, C. (2018). Toward more accurate temperature reconstructions based on oxygen isotopes of subfossil chironomid head-capsules in Australia. Limnology and Oceanography, 63(1), 295-307. https://doi.org/10.1002/lno.10630

This study investigates the potential of applying stable oxygen isotopes (δ18O) from head capsules (HCs) of subfossil chironomids (subfamily Tanypodinae) to reconstruct past temperature changes from south-eastern Australia. The study reports δ18O res... Read More about Toward more accurate temperature reconstructions based on oxygen isotopes of subfossil chironomid head-capsules in Australia.