Professor Darren Grocke's Outputs (161)

Isotopic tracing of the impact of mobility on infectious disease: The origin of people with treponematosis buried in hull, England, in the late medieval period. (2012)
Journal Article
Roberts, C., Millard, A., Nowell, G., Gröcke, D., Macpherson, C., Pearson, G., & Evans, D. (2013). Isotopic tracing of the impact of mobility on infectious disease: The origin of people with treponematosis buried in hull, England, in the late medieval period. American journal of physical anthropology, 150(2), 273-285. https://doi.org/10.1002/ajpa.22203

Treponematosis has been one of the most studied and debated infectious diseases in paleopathology, particularly from the standpoint of its origin, evolution, and transmission. This study links evidence for treponematosis in skeletons from the 14th–16... Read More about Isotopic tracing of the impact of mobility on infectious disease: The origin of people with treponematosis buried in hull, England, in the late medieval period..

Fault-related fluid flow history in shallow marine sediments from carbonate concretions, Crotone basin, south Italy (2012)
Journal Article
Balsamo, F., Storti, F., & Gröcke, D. (2012). Fault-related fluid flow history in shallow marine sediments from carbonate concretions, Crotone basin, south Italy. Journal of the Geological Society, 169(5), 613-626. https://doi.org/10.1144/0016-76492011-109

We present the results of a multidisciplinary study on the relationships between the structural architecture of an extensional fault system in poorly lithified shallow marine sands and the associated pattern of diagenetic carbonate concretions. Based... Read More about Fault-related fluid flow history in shallow marine sediments from carbonate concretions, Crotone basin, south Italy.

North American transect of stable hydrogen and oxygen isotopes in water beetles from a museum collection. (2012)
Journal Article
van Hardenbroek, M., Gröcke, D., Sauer, P., & Elias, S. (2012). North American transect of stable hydrogen and oxygen isotopes in water beetles from a museum collection. Journal of Paleolimnology, 48(2), 461-470. https://doi.org/10.1007/s10933-012-9623-4

Museum collections contain a wealth of insect remains originating from a wide geographic range, which can be used to investigate their utility as a proxy for environmental isotope ratios. Chitinous remains of insects such as beetles (Coleoptera) are... Read More about North American transect of stable hydrogen and oxygen isotopes in water beetles from a museum collection..

Paleotemperature and paleosalinity inferences and chemostratigraphy across the Aptian/Albian boundary in the subtropical North Atlantic (2011)
Journal Article
Huber, B., MacLeod, K., Gröcke, D., & Kucera, M. (2011). Paleotemperature and paleosalinity inferences and chemostratigraphy across the Aptian/Albian boundary in the subtropical North Atlantic. Paleoceanography, 26(4), Article PA4221. https://doi.org/10.1029/2011pa002178

[1] Geochemical analyses of extraordinarily well preserved late Aptian–early Albian foraminifera from Blake Nose (Ocean Drilling Program Site 1049) reveal rapid shifts of δ18O, δ13C, and 87Sr/88Sr in the subtropical North Atlantic that may be linked... Read More about Paleotemperature and paleosalinity inferences and chemostratigraphy across the Aptian/Albian boundary in the subtropical North Atlantic.

Historical ecology of late Holocene sea otters (Enhydra lutris) from northern British Columbia: isotopic and zooarchaeological perspectives (2011)
Journal Article
Szpak, P., Orchard, T., McKechnie, I., & Gröcke, D. (2012). Historical ecology of late Holocene sea otters (Enhydra lutris) from northern British Columbia: isotopic and zooarchaeological perspectives. Journal of Archaeological Science, 39(5), 1553-1571. https://doi.org/10.1016/j.jas.2011.12.006

We examined the isotopic composition (δ13C and δ15N) of sea otter (Enhydra lutris) bone collagen from ten late Holocene (ca. 5200 years BP–AD 1900) archaeological sites in northern British Columbia (BC), Canada. Because sea otters are now extinct fro... Read More about Historical ecology of late Holocene sea otters (Enhydra lutris) from northern British Columbia: isotopic and zooarchaeological perspectives.

An open ocean record of the Toarcian oceanic anoxic event (2011)
Journal Article
Gröcke, D., Hori, R., Trabucho-Alexandre, J., Kemp, D., & Schwark, L. (2011). An open ocean record of the Toarcian oceanic anoxic event. Solid Earth, 2(2), 245-257. https://doi.org/10.5194/se-2-245-2011

Oceanic anoxic events were time intervals in the Mesozoic characterized by widespread distribution of marine organic matter-rich sediments (black shales) and significant perturbations in the global carbon cycle. These perturbations are globally recor... Read More about An open ocean record of the Toarcian oceanic anoxic event.

Black shale deposition, atmospheric CO2 drawdown, and cooling during the Cenomanian-Turonian Oceanic Anoxic Event (2011)
Journal Article
Jarvis, I., Lignum, J., Gröcke, D., Jenkyns, H., & Pearce, M. (2011). Black shale deposition, atmospheric CO2 drawdown, and cooling during the Cenomanian-Turonian Oceanic Anoxic Event. Paleoceanography, 26(3), Article PA3201. https://doi.org/10.1029/2010pa002081

[1] Oceanic Anoxic Event 2 (OAE2), spanning the Cenomanian-Turonian boundary (CTB), represents one of the largest perturbations in the global carbon cycle in the last 100 Myr. The δ13Ccarb, δ13Corg, and δ18O chemostratigraphy of a black shale–bearing... Read More about Black shale deposition, atmospheric CO2 drawdown, and cooling during the Cenomanian-Turonian Oceanic Anoxic Event.

Re-evaluation of the Mentelle Basin, a polyphase rifted margin basin, offshore southwest Australia: new insights from integrated regional seismic datasets (2011)
Journal Article
Maloney, D., Sargent, C., Direen, N., Hobbs, R., & Gröcke, D. (2011). Re-evaluation of the Mentelle Basin, a polyphase rifted margin basin, offshore southwest Australia: new insights from integrated regional seismic datasets. Solid Earth, 2(2), 107-123. https://doi.org/10.5194/se-2-107-2011

Vintage 2-D (two-dimensional) seismic reflection surveys from the sparsely explored Mentelle Basin (western Australian margin) have been reprocessed and integrated with a recent high-quality 2-D seismic survey and stratigraphic borehole data. Interpr... Read More about Re-evaluation of the Mentelle Basin, a polyphase rifted margin basin, offshore southwest Australia: new insights from integrated regional seismic datasets.

Sea level controls sedimentation and environments in coastal caves and sinkholes (2011)
Journal Article
van Hengstum, P., Scott, D., Gröcke, D., & Charette, M. (2011). Sea level controls sedimentation and environments in coastal caves and sinkholes. Marine Geology, 286(1-4), 35-50. https://doi.org/10.1016/j.margeo.2011.05.004

Quaternary climate and sea-level research in coastal karst basins (caves, cenotes, sinkholes, blueholes, etc.) generally focuses on analyzing isotopes in speleothems, or associating cave elevations prior sea-level highstands. The sediments in coastal... Read More about Sea level controls sedimentation and environments in coastal caves and sinkholes.

The significance of an Early Jurassic (Toarcian) carbon-isotope excursion in Haida Gwaii (Queen Charlotte Islands), British Columbia, Canada (2011)
Journal Article
Caruthers, A., Gröcke, D., & Smith, P. (2011). The significance of an Early Jurassic (Toarcian) carbon-isotope excursion in Haida Gwaii (Queen Charlotte Islands), British Columbia, Canada. Earth and Planetary Science Letters, 307(1-2), 19-26. https://doi.org/10.1016/j.epsl.2011.04.013

During the Early Toarcian there was a significant disruption in the short-term active carbon reservoir as revealed by carbon-isotope records, which show a broad positive shift that is interrupted by a large 5–7‰ negative excursion (δ13Corg). Carbon-i... Read More about The significance of an Early Jurassic (Toarcian) carbon-isotope excursion in Haida Gwaii (Queen Charlotte Islands), British Columbia, Canada.

Improving the interpretability of air-gun seismic reflection data using deterministic filters: A case history from offshore Cape Leeuwin, south-west Australia (2011)
Journal Article
Sargent, C., Hobbs, R., & Gröcke, D. (2011). Improving the interpretability of air-gun seismic reflection data using deterministic filters: A case history from offshore Cape Leeuwin, south-west Australia. Geophysics, 76(3), B113-B125. https://doi.org/10.1190/1.3554396

To identify drilling targets for an Integrated Ocean Drilling Program project to investigate high-latitude black shales required reinterpretation of legacy seismic data. The original processing had identified the major structures but was of insuffici... Read More about Improving the interpretability of air-gun seismic reflection data using deterministic filters: A case history from offshore Cape Leeuwin, south-west Australia.

Marine osmium isotope record across the Triassic-Jurassic boundary from a Pacific pelagic site. (2010)
Journal Article
Kuroda, J., Hori, R., Suzuki, K., Gröcke, D., & Ohkouchi, N. (2010). Marine osmium isotope record across the Triassic-Jurassic boundary from a Pacific pelagic site. Geology, 38(12), 1095-1098. https://doi.org/10.1130/g31223.1

The Triassic-Jurassic (T-J) boundary ca. 200 Ma represents one of the major mass extinction events of the Phanerozoic; however, the cause of this event remains controversial because of a paucity of geological evidence. In this study we present an iso... Read More about Marine osmium isotope record across the Triassic-Jurassic boundary from a Pacific pelagic site..

Hydrogen Isotopes in Beetle Chitin (2010)
Book Chapter
Gröcke, D., van Hardenbroek, M., Sauer, P., & Elias, S. (2010). Hydrogen Isotopes in Beetle Chitin. In N. S. Gupta (Ed.), Chitin : formation and diagenesis (105-116). Springer Netherlands. https://doi.org/10.1007/978-90-481-9684-5_5

Beetles, one of the most diverse and long-lived animal groups, provide a trove of ecological and palaeoenvironmental information largely because their exoskeletons contain chitin, a highly resistant biopolymer which preserves well in the geological r... Read More about Hydrogen Isotopes in Beetle Chitin.

The Valanginian positive carbon isotope event in Arctic Russia: Evidence from terrestrial and marine isotope records and implications for global carbon cycling (2010)
Journal Article
Nunn, E., Price, G., Gröcke, D., Baraboshkin, E., Leng, M., & Hart, M. (2010). The Valanginian positive carbon isotope event in Arctic Russia: Evidence from terrestrial and marine isotope records and implications for global carbon cycling. Cretaceous Research, 31(6), 577-592. https://doi.org/10.1016/j.cretres.2010.07.007

The data presented here comprise Ryazanian–Valanginian carbon isotope ratios analyzed from fossil wood and belemnites from the shallow marine Boyarka River succession in Siberia. Additional belemnite carbon isotope ratios from the Izhma River success... Read More about The Valanginian positive carbon isotope event in Arctic Russia: Evidence from terrestrial and marine isotope records and implications for global carbon cycling.

Tracking the Hirnantian glaciation using Os isotopes (2010)
Journal Article
Finlay, A., Selby, D., & Gröcke, D. (2010). Tracking the Hirnantian glaciation using Os isotopes. Earth and Planetary Science Letters, 293(3-4), 339-348. https://doi.org/10.1016/j.epsl.2010.02.049

Here we present initial 187Os/188Os (Osi) values integrated with δ13Corg for the first Paleozoic section — the Ordovician/Silurian boundary GSSP at Dob's Linn, Scotland. Our 187Os/188Os data tracks major changes in climate that occurred during the La... Read More about Tracking the Hirnantian glaciation using Os isotopes.

Regional differences in bone collagen δ13C and δ15N of Pleistocene mammoths: Implications for paleoecology of the mammoth steppe (2010)
Journal Article
Szpak, P., Gröcke, D., Debruyne, R., MacPhee, R., Guthrie, R., Froese, D., …Poinar, H. (2010). Regional differences in bone collagen δ13C and δ15N of Pleistocene mammoths: Implications for paleoecology of the mammoth steppe. Palaeogeography, Palaeoclimatology, Palaeoecology, 286(1-2), 88-96. https://doi.org/10.1016/j.palaeo.2009.12.009

In this study, we present bone collagen δ13C and δ15N values from a large set of Pleistocene woolly mammoths (Mammuthus primigenius) from Siberia, Alaska and Yukon. Overall, results for mammoth specimens from eastern Beringia (Alaska and Yukon) signi... Read More about Regional differences in bone collagen δ13C and δ15N of Pleistocene mammoths: Implications for paleoecology of the mammoth steppe.

“Greenhouse” (Warm) Climates. (2009)
Book Chapter
Gröcke, D. (2009). “Greenhouse” (Warm) Climates. In Encyclopedia of Paleoclimatology and Ancient Environments (397-405). Springer Verlag. https://doi.org/10.1007/978-1-4020-4411-3_101

Definition and origins of the term “greenhouse” The term “greenhouse” is defined, as follows, from a climatological standpoint in the online ‘Oxford English Dictionary’ (OED), based on the textbook by Trewartha (1937, p. 25): “The phenomenon whereby... Read More about “Greenhouse” (Warm) Climates..

Response of the Inter-tropical Convergence Zone to Southern Hemisphere cooling during Upper Ordovician glaciation (2009)
Journal Article
Armstrong, H., Baldini, J., Challands, T., Gröcke, D., & Owen, A. (2009). Response of the Inter-tropical Convergence Zone to Southern Hemisphere cooling during Upper Ordovician glaciation. Palaeogeography, Palaeoclimatology, Palaeoecology, 284(3-4), 227-236. https://doi.org/10.1016/j.palaeo.2009.10.001

Stable isotope ratios of whole rock carbonates and faunas from three low latitude Upper Ordovician sections demonstrate a coherent pattern of shifting subtropical and tropical water masses and associated climate belts. We suggest that tropical water... Read More about Response of the Inter-tropical Convergence Zone to Southern Hemisphere cooling during Upper Ordovician glaciation.

A Late Holocene vertebrate food web from southern Haida Gwaii (Queen Charlotte Islands, British Columbia) (2009)
Journal Article
Szpak, P., Orchard, T., & Gröcke, D. (2009). A Late Holocene vertebrate food web from southern Haida Gwaii (Queen Charlotte Islands, British Columbia). Journal of Archaeological Science, 36(12), 2734-2741. https://doi.org/10.1016/j.jas.2009.08.013

This study presents isotopic data (δ¹³C and δ¹⁵N from bone collagen) for 104 samples representing 29 vertebrate taxa from late pre-contact through to contact era (ca. 2000 – 100 BP) Haida Gwaii (British Columbia, Canada) from a wide variety of mostly... Read More about A Late Holocene vertebrate food web from southern Haida Gwaii (Queen Charlotte Islands, British Columbia).

Mid-Miocene paleoproductivity in the Atlantic Ocean and implications for the global carbon cycle (2009)
Journal Article
Diester-Haass, L., Billups, K., Gröcke, D., François, L., Lefebvre, V., & Emeis, K. (2009). Mid-Miocene paleoproductivity in the Atlantic Ocean and implications for the global carbon cycle. Paleoceanography, 24(1), Article PA1209. https://doi.org/10.1029/2008pa001605

A prominent, middle Miocene (17.5–13.5 Ma) carbon isotope excursion ubiquitously recorded in carbonate sediments has been attributed to enhanced marine productivity and sequestration of 13C depleted organic carbon in marine sediments or enhanced carb... Read More about Mid-Miocene paleoproductivity in the Atlantic Ocean and implications for the global carbon cycle.