Outputs (53)

A global compilation of diatom silica oxygen isotope records from lake sediment – trends and implications for climate reconstruction (2024)
Journal Article
Meister, P., Alexandre, A., Bailey, H., Barker, P., Biskaborn, B. K., Broadman, E., …Meyer, H. (2024). A global compilation of diatom silica oxygen isotope records from lake sediment – trends and implications for climate reconstruction. Climate of the Past, 20(2), 363-392. https://doi.org/10.5194/cp-20-363-2024

Oxygen isotopes in biogenic silica (δ18OBSi) from lake sediments allow for quantitative reconstruction of past hydroclimate and proxy-model comparison in terrestrial environments. The signals of individual records have been attributed to different fa... Read More about A global compilation of diatom silica oxygen isotope records from lake sediment – trends and implications for climate reconstruction.

Sea level controls on the provenance of fine-grained sediments in the Xisha Trough, northwestern South China Sea over the last ~30 ka (2023)
Journal Article
Zhang, Q., Swann, G. E., Liu, J., Gao, W., Cui, Z., Li, G., …Li, W. (2023). Sea level controls on the provenance of fine-grained sediments in the Xisha Trough, northwestern South China Sea over the last ~30 ka. Marine Geology, 466, Article 107184. https://doi.org/10.1016/j.margeo.2023.107184

The Xisha Trough situated in the northwestern South China Sea (SCS), plays a pivotal role in transporting sediments from the Red River into the deep-sea basin of the SCS, and thus is a critical place to examine variations in source-to-sink process of... Read More about Sea level controls on the provenance of fine-grained sediments in the Xisha Trough, northwestern South China Sea over the last ~30 ka.

An effective method to extract and purify radiolaria from tropical marine sediments (2023)
Journal Article
Zhang, Q., & Swann, G. E. (2023). An effective method to extract and purify radiolaria from tropical marine sediments. Frontiers in Marine Science, 10, Article 1150518. https://doi.org/10.3389/fmars.2023.1150518

Radiolaria are the primary contributors to biogenic opal in the tropical ocean, and their isotope compositions are potentially useful tool for reconstructing the silicon cycle in mid-depth waters. To date little attention has been paid to their isoto... Read More about An effective method to extract and purify radiolaria from tropical marine sediments.

Isotope sample preparation of diatoms for paleoenvironmental research (2023)
Journal Article
Swann, G. E., & Snelling, A. (2023). Isotope sample preparation of diatoms for paleoenvironmental research. PLoS ONE, 18(2), Article e0281511. https://doi.org/10.1371/journal.pone.0281511

Isotopes in diatoms are increasingly used in palaeoenvironmental studies in both lacustrine and marine settings, enabling the reconstruction of a range of variables including temperature, precipitation, salinity, glacial discharge, carbon dynamics an... Read More about Isotope sample preparation of diatoms for paleoenvironmental research.

Ecosystem deterioration in the middle Yangtze floodplain lakes over the last two centuries: Evidence from sedimentary pigments (2023)
Journal Article
Zeng, L., Swann, G. E., Leng, M. J., Chen, X., Ji, J., Huang, X., & McGowan, S. (2023). Ecosystem deterioration in the middle Yangtze floodplain lakes over the last two centuries: Evidence from sedimentary pigments. Quaternary Science Reviews, 302, Article 107954. https://doi.org/10.1016/j.quascirev.2023.107954

Water quality of floodplain lakes in the Yangtze region which supports ca. 450 million people is being severely compromised by nutrient pollution, climate change and dam installation resulting from intensive socio-economic development. However, due t... Read More about Ecosystem deterioration in the middle Yangtze floodplain lakes over the last two centuries: Evidence from sedimentary pigments.

Eutrophication has a greater influence on floodplain lake carbon cycling than dam installation across the middle Yangtze region (2022)
Journal Article
Zeng, L., McGowan, S., Swann, G. E., Leng, M. J., & Chen, X. (2022). Eutrophication has a greater influence on floodplain lake carbon cycling than dam installation across the middle Yangtze region. Journal of Hydrology, 614, Article 128510. https://doi.org/10.1016/j.jhydrol.2022.128510

Carbon cycling in shallow floodplain lakes is complex due to variability in delivery of flood-derived allochthonous organic matter (OM). Human activities have potential to significantly modify the carbon balance of lakes by damming which restricts ex... Read More about Eutrophication has a greater influence on floodplain lake carbon cycling than dam installation across the middle Yangtze region.

Nutrient availability in the North Pacific region not primarily driven by climate through the Quaternary (2022)
Journal Article
Snelling, A. M., Swann, G. E., Pashley, V., Lacey, J. H., Horstwood, M. S., & Leng, M. J. (2022). Nutrient availability in the North Pacific region not primarily driven by climate through the Quaternary. Palaeogeography, Palaeoclimatology, Palaeoecology, 601, Article 111109. https://doi.org/10.1016/j.palaeo.2022.111109

The subarctic North Pacific Ocean is a relatively understudied region in terms of palaeoclimate, limiting our understanding of how the region has both driven and responded to palaeoenvironmental events. Today, the subarctic North Pacific Ocean is mar... Read More about Nutrient availability in the North Pacific region not primarily driven by climate through the Quaternary.

Long-term trends in diatom diversity and palaeoproductivity: a 16000-year multidecadal record from Lake Baikal, southern Siberia (2022)
Journal Article
Mackay, A. W., Felde, V. A., Morley, D. W., Piotrowska, N., Rioual, P., Seddon, A. W., & Swann, G. E. (2022). Long-term trends in diatom diversity and palaeoproductivity: a 16000-year multidecadal record from Lake Baikal, southern Siberia. Climate of the Past, 18(2), 363-380. https://doi.org/10.5194/cp-18-363-2022

Biological diversity is inextricably linked to community stability and ecosystem functioning, but our understanding of these relationships in freshwater ecosystems is largely based on short-term observational, experimental, and modelling approaches.... Read More about Long-term trends in diatom diversity and palaeoproductivity: a 16000-year multidecadal record from Lake Baikal, southern Siberia.

Silicic Acid Cycling in the Bering Sea During the Mid-Pleistocene Transition (2022)
Journal Article
Worne, S., Swann, G. E., Kender, S., Lacey, J. H., & Leng, M. J. (2022). Silicic Acid Cycling in the Bering Sea During the Mid-Pleistocene Transition. Paleoceanography and Paleoclimatology, 37(2), Article e2021PA004284. https://doi.org/10.1029/2021PA004284

The rate of deep-ocean carbon burial is considered important for modulating glacial-interglacial atmospheric CO2 concentrations and global climate during the Quaternary. It has been suggested that glacial iron fertilization and increased efficiency o... Read More about Silicic Acid Cycling in the Bering Sea During the Mid-Pleistocene Transition.

Anthropocene climate warming enhances autochthonous carbon cycling in an upland Arctic lake, Disko Island, West Greenland (2021)
Journal Article
Stevenson, M. A., Mcgowan, S., Pearson, E. J., Swann, G. E., Leng, M. J., Jones, V. J., …Whiteford, E. (2021). Anthropocene climate warming enhances autochthonous carbon cycling in an upland Arctic lake, Disko Island, West Greenland. Biogeosciences, 18(8), 2465-2485. https://doi.org/10.5194/bg-18-2465-2021

The Arctic is rapidly changing, disrupting biogeochemical cycles and the processing, delivery and sedimentation of carbon (C), in linked terrestrial-aquatic systems. In this investigation, we coupled a hydrogeomorphic assessment of catchment soils, s... Read More about Anthropocene climate warming enhances autochthonous carbon cycling in an upland Arctic lake, Disko Island, West Greenland.