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All Outputs (28)

Investigating the role of hydrological connectivity on the processing of organic carbon in tropical aquatic ecosystems (2024)
Journal Article
Pereira, R., Panizzo, V. N., Bischoff, J., McGowan, S., Lacey, J., Moorhouse, H., …Fazry, S. (2024). Investigating the role of hydrological connectivity on the processing of organic carbon in tropical aquatic ecosystems. Frontiers in Earth Science, 11, Article 1250889. https://doi.org/10.3389/feart.2023.1250889

Inland waters are highways of carbon and nutrient flows between the land and ocean. Aquatic environments integrate multiple sources and processes over space and time that influence ecosystem functionality. The complexity of these systems and their mu... Read More about Investigating the role of hydrological connectivity on the processing of organic carbon in tropical aquatic ecosystems.

Identifying the controls on nitrate and metabolic state within the Red River delta (Vietnam) with the use of stable isotopes (2023)
Journal Article
Smith, A. C., Leng, M. J., McGowan, S., Panizzo, V. N., Ngo, T. T. T., Luu, T. N. M., …Trinh, A. D. (2024). Identifying the controls on nitrate and metabolic state within the Red River delta (Vietnam) with the use of stable isotopes. Journal of Hydrology, 628, Article 130467. https://doi.org/10.1016/j.jhydrol.2023.130467

In many places around the world, anthropogenic activities have resulted in nitrate (NO3−) pollution and changes in the metabolic state of aquatic ecosystems. Here we combined stable isotope and physico-chemical monitoring to assess the sources of NO3... Read More about Identifying the controls on nitrate and metabolic state within the Red River delta (Vietnam) with the use of stable isotopes.

Using lake sediments to assess the long-term impacts of anthropogenic activity in tropical river deltas (2023)
Journal Article
Walton, R. E., Moorhouse, H. L., Roberts, L. R., Salgado, J., Ladd, C. J., Do, N. T., …Henderson, A. C. (2023). Using lake sediments to assess the long-term impacts of anthropogenic activity in tropical river deltas. Anthropocene Review, https://doi.org/10.1177/20530196231204334

Tropical river deltas, and the social-ecological systems they sustain, are changing rapidly due to anthropogenic activity and climatic change. Baseline data to inform sustainable management options for resilient deltas is urgently needed and palaeoli... Read More about Using lake sediments to assess the long-term impacts of anthropogenic activity in tropical river deltas.

Prehistoric population expansion in Central Asia promoted by the Altai Holocene Climatic Optimum (2023)
Journal Article
Xiang, L., Huang, X., Sun, M., Panizzo, V. N., Huang, C., Zheng, M., …Chen, F. (2023). Prehistoric population expansion in Central Asia promoted by the Altai Holocene Climatic Optimum. Nature Communications, 14(1), Article 3102. https://doi.org/10.1038/s41467-023-38828-4

How climate change in the middle to late Holocene has influenced the early human migrations in Central Asian Steppe remains poorly understood. To address this issue, we reconstructed a multiproxy-based Holocene climate history from the sediments of K... Read More about Prehistoric population expansion in Central Asia promoted by the Altai Holocene Climatic Optimum.

In flux: Annual transport and deposition of suspended heavy metals and trace elements in the urbanised, tropical Red River Delta, Vietnam (2022)
Journal Article
Roberts, L. R., Do, N. T., Panizzo, V. N., Taylor, S., Watts, M., Hamilton, E., …Salgado, J. (2022). In flux: Annual transport and deposition of suspended heavy metals and trace elements in the urbanised, tropical Red River Delta, Vietnam. Water Research, 224, Article 119053. https://doi.org/10.1016/j.watres.2022.119053

Due to the depositional environment, river deltas are said to act as filters and sinks for pollutants. However, many deltas are also densely populated and rapidly urbanizing, creating new and increased sources of pollutants. These sources pose the ri... Read More about In flux: Annual transport and deposition of suspended heavy metals and trace elements in the urbanised, tropical Red River Delta, Vietnam.

Tropical Asian mega-delta ponds: Important and threatened socio-ecological systems (2021)
Journal Article
Moorhouse, H. L., Roberts, L. R., McGowan, S., Panizzo, V. N., Barker, P., Salehin, M., …Large, A. R. G. (2021). Tropical Asian mega-delta ponds: Important and threatened socio-ecological systems. Geo: Geography and Environment, 8(2), Article e00103. https://doi.org/10.1002/geo2.103

This paper uses multimedia to showcase the narratives and lived experiences of those who live and work in tropical Asian mega-deltas, and as such is the first journal article of its kind in the field of Regional Geography. Using videos, photography a... Read More about Tropical Asian mega-delta ponds: Important and threatened socio-ecological systems.

Understanding the drivers of ecosystem change at Tasik Chini to inform sustainable management (2021)
Presentation / Conference Contribution
Lacey, J., Leng, M., Mcgowan, S., Panizzo, V., Pereira, R., Boyle, J., …Vane, C. (2021). Understanding the drivers of ecosystem change at Tasik Chini to inform sustainable management. In International eConference of Science and Biosphere Reserve (IECSBR) 2021: Program book

Tropical areas are subject to increasing environmental pressures as a combined result of climate change and human impact on the landscape, which threaten significantly the quality and biodiversity of freshwater ecosystems. Recent economic development... Read More about Understanding the drivers of ecosystem change at Tasik Chini to inform sustainable management.

Changing nutrient cycling in Lake Baikal, the world’s oldest lake (2020)
Journal Article
Swann, G. E. A., Panizzo, V. N., Piccolroaz, S., Pashley, V., Horstwood, M., Roberts, S., …Mackay, A. W. (2020). Changing nutrient cycling in Lake Baikal, the world’s oldest lake. Proceedings of the National Academy of Sciences, 117(44), 27211-27217. https://doi.org/10.1073/pnas.2013181117

Copyright © 2020 the Author(s). Published by PNAS. Lake Baikal, lying in a rift zone in southeastern Siberia, is the world's oldest, deepest, and most voluminous lake that began to form over 30 million years ago. Cited as the "most outstanding exampl... Read More about Changing nutrient cycling in Lake Baikal, the world’s oldest lake.

Using stable isotopes to estimate young water fractions in a heavily regulated, tropical lowland river basin (2020)
Journal Article
Trinh, A. D., Do, T. N., Panizzo, V. N., McGowan, S., & Leng, M. J. (2020). Using stable isotopes to estimate young water fractions in a heavily regulated, tropical lowland river basin. Hydrological Processes, 34(22), 4239-4250. https://doi.org/10.1002/hyp.13878

© 2020 John Wiley & Sons Ltd The young water fraction of streamflow (Fyw), an important hydrological variable, has been calculated for the first time, for a monsoon-fed coastal catchment in northern Vietnam. Oxygen stable isotopes (δ18O) from six r... Read More about Using stable isotopes to estimate young water fractions in a heavily regulated, tropical lowland river basin.

Stable isotopes as an effective tool for N nutrient source identification in a heavily urbanized and agriculturally intensive tropical lowland basin (2020)
Journal Article
Luu, T. N. M., Do, T. N., Matiatos, I., Panizzo, V. N., & Trinh, A. D. (2020). Stable isotopes as an effective tool for N nutrient source identification in a heavily urbanized and agriculturally intensive tropical lowland basin. Biogeochemistry, 149, 17-35. https://doi.org/10.1007/s10533-020-00663-w

© 2020, Springer Nature Switzerland AG. We present the application of dual stable isotope analyses of NO3 (δ15N-NO3 and δ18O-NO3) to provide a comprehensive assessment of the provenance, partitioning, and conversion of nitrate across the Day River Ba... Read More about Stable isotopes as an effective tool for N nutrient source identification in a heavily urbanized and agriculturally intensive tropical lowland basin.

Transitions in diatom assemblages and pigments through dry and wet season conditions in the Red River, Hanoi (Vietnam) (2019)
Journal Article
Thi, T. D., Nguyen, H. Y., Le, T. P. Q., Kien, N. T., Tran, T. T. H., Le, . N. D., …Mcgowan, S. (2019). Transitions in diatom assemblages and pigments through dry and wet season conditions in the Red River, Hanoi (Vietnam). Plant Ecology and Evolution, 152(2), 163-177. https://doi.org/10.5091/plecevo.2019.1627

Background and aims – Biomonitoring is an important tool for assessing river water quality, but is not routinely applied in tropical rivers. Marked hydrological changes can occur between wet and dry season conditions in the tropics. Thus, a prerequis... Read More about Transitions in diatom assemblages and pigments through dry and wet season conditions in the Red River, Hanoi (Vietnam).

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.

Modelling silicon supply during the Last Interglacial (MIS 5e) at Lake Baikal (2018)
Journal Article
Panizzo, V., Swann, G., Mackay, A., Pashley, V., & Horstwood, M. (2018). Modelling silicon supply during the Last Interglacial (MIS 5e) at Lake Baikal. Quaternary Science Reviews, 190, https://doi.org/10.1016/j.quascirev.2018.04.006

Limnological reconstructions of primary productivity have demonstrated its response over Quaternary timescales to drivers such as climate change, landscape evolution and lake ontogeny. In particular, sediments from Lake Baikal, Siberia, provide a val... Read More about Modelling silicon supply during the Last Interglacial (MIS 5e) at Lake Baikal.

Lake Baikal isotope records of Holocene Central Asian precipitation (2018)
Journal Article
Swann, G. E., Mackay, A. W., Vologina, E., Jones, M. D., Panizzo, V., Leng, M. J., …Sturm, M. (2018). Lake Baikal isotope records of Holocene Central Asian precipitation. Quaternary Science Reviews, 189, https://doi.org/10.1016/j.quascirev.2018.04.013

Climate models currently provide conflicting predictions of future climate change across Central Asia. With concern over the potential for a change in water availability to impact communities and ecosystems across the region, an understanding of hist... Read More about Lake Baikal isotope records of Holocene Central Asian precipitation.

Spatial differences in dissolved silicon utilisation in Lake Baikal, Siberia: examining the impact of high diatom biomass events and eutrophication (2018)
Journal Article
Panizzo, V., Roberts, S., Swann, G. E., McGowan, S., Mackay, A. W., Vologina, E., …Horstwood, M. S. (2018). Spatial differences in dissolved silicon utilisation in Lake Baikal, Siberia: examining the impact of high diatom biomass events and eutrophication. Limnology and Oceanography, 63(4), 1562-1578. https://doi.org/10.1002/lno.10792

Recent research has highlighted how Lake Baikal, Siberia, has responded to the direct and indirect effects of climate change (e.g., ice-cover duration), nutrient loading, and pollution, manifesting as changes in phytoplankton/zooplankton populations,... Read More about Spatial differences in dissolved silicon utilisation in Lake Baikal, Siberia: examining the impact of high diatom biomass events and eutrophication.

A review of the stable isotope bio-geochemistry of the global silicon cycle and its associated trace elements (2018)
Journal Article
Sutton, J. N., André, L., Cardinal, D., Conley, D. J., de Souza, G. F., Dean, J. R., …Swann, G. E. (2018). A review of the stable isotope bio-geochemistry of the global silicon cycle and its associated trace elements. Frontiers in Earth Science, 5, Article 112. https://doi.org/10.3389/feart.2017.00112

Silicon (Si) is the second most abundant element in the Earth’s crust and is an important nutrient in the ocean. The global Si cycle plays a critical role in regulating primary productivity and carbon cycling on the continents and in the oceans. Deve... Read More about A review of the stable isotope bio-geochemistry of the global silicon cycle and its associated trace elements.

Constraining modern day silicon cycling in Lake Baikal (2017)
Journal Article
Panizzo, V., Swann, G. E., Mackay, A. W., Vologina, E., Alleman, L., Andre, L., …Horstwood, M. S. (in press). Constraining modern day silicon cycling in Lake Baikal. Global Biogeochemical Cycles, 31(3), https://doi.org/10.1002/2016GB005518

Constraining the continental silicon cycle is a key requirement in attempts to understand both nutrient fluxes to the ocean and linkages between silicon and carbon cycling over different timescales. Silicon isotope data of dissolved silica (δ30SiDSi)... Read More about Constraining modern day silicon cycling in Lake Baikal.

Insights into the transfer of silicon isotopes into the sediment record (2016)
Journal Article
Panizzo, V. N., Swann, G. E., Mackay, A., Vologina, E., Sturm, M., Pashley, V., & Horstwood, M. (2016). Insights into the transfer of silicon isotopes into the sediment record. Biogeosciences, 13(1), 147-157. https://doi.org/10.5194/bg-13-147-2016

The first δ30Si diatom data from lacustrine sediment traps are presented from Lake Baikal, Siberia. Data are compared with March surface water (upper 180 m) δ30SiDSi compositions for which a mean value of +2.28‰ ±  0.09 (95 % confidence) is derived.... Read More about Insights into the transfer of silicon isotopes into the sediment record.

Sea ice diatom contributions to Holocene nutrient utilization in East Antarctica (2014)
Journal Article
Panizzo, V., Crespin, J., Crosta, X., Shemesh, A., Masse, G., Yam, R., …Cardinal, D. (2014). Sea ice diatom contributions to Holocene nutrient utilization in East Antarctica. Paleoceanography, 29(4), https://doi.org/10.1002/2014PA002609

Combined high-resolution Holocene δ30Sidiat and δ13Cdiat paleorecords are presented from theSeasonal Ice Zone, East Antarctica. Both data sets reflect periods of increased nutrient utilization by diatomsduring the Hypsithermal period (circa 7800 to 35... Read More about Sea ice diatom contributions to Holocene nutrient utilization in East Antarctica.