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Items where Author is "Vachula, Dr Richard"

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Number of items: 15.

Article

Pereboom, E. B. M., Vachula, R. S., Huang, Y. and Russell, J. (2020) The morphology of experimentally produced charcoal distinguishes fuel types in the Arctic tundra. The Holocene. ISSN 1477-0911 doi: https://doi.org/10.1177/0959683620908629

Vachula, R. S., Sae-Lim, J. and Russell, J. M. (2020) Sedimentary charcoal proxy records of fire in Alaskan tundra ecosystems. Palaeogeography, Palaeoclimatology, Palaeoecology, 541. 109564. ISSN 0031-0182 doi: https://doi.org/10.1016/j.palaeo.2019.109564

Tao, X., Wen, M., Li, R., Vachula, R. S., Pang, L., Li, C., Yang, K. and Jiang, N. (2020) Phytolith sizes and assemblages differentiate genera and ecotypes of woody bamboos in subtropical Southwest China. Review of Palaeobotany and Palynology, 272. 104129. ISSN 0034-6667 doi: https://doi.org/10.1016/j.revpalbo.2019.104129

Yao, Y., Zhao, J., Longo, W. M., Li, G., Wang, X., Vachula, R. S., Wang, K. J. and Huang, Y. (2019) New insights into environmental controls on the occurrence and abundance of Group I alkenones and their paleoclimate applications: evidence from volcanic lakes of northeastern China. Earth and Planetary Science Letters, 527. 115792. ISSN 0012-821X doi: https://doi.org/10.1016/j.epsl.2019.115792

Crawford, A. J. and Vachula, R. S. (2019) Peak analysis of sedimentary charcoal records: some underlying assumptions and potential pitfalls. Quaternary Science Reviews, 225. 106002. ISSN 0277-3791 doi: https://doi.org/10.1016/j.quascirev.2019.106002

Sae-Lim, J., Russell, J. M., Vachula, R. S., Holmes, R. M., Mann, P. J., Shade, J. D. and Natali, S. M. (2019) Temperature-controlled tundra fire severity and frequency during the last millennium in the Yukon-Kuskokwim Delta, Alaska. The Holocene, 29 (7). pp. 1223-1233. ISSN 0959-6836 doi: https://doi.org/10.1177/0959683619838036

Vachula, R. S. (2019) A usage-based size classification scheme for sedimentary charcoal. The Holocene, 29 (3). pp. 523-527. ISSN 0959-6836 doi: https://doi.org/10.1177/0959683618816520

Vachula, R. S., Huang, Y., Longo, W. M., Dee, S. G., Daniels, W. C. and Russell, J. M. (2019) Evidence of Ice Age humans in eastern Beringia suggests early migration to North America. Quaternary Science Reviews, 205. pp. 35-44. ISSN 0277-3791 doi: https://doi.org/10.1016/j.quascirev.2018.12.003

Zheng, Y., Heng, P., Conte, M. H., Vachula, R. S. and Huang, Y. (2019) Systematic chemotaxonomic profiling and novel paleotemperature indices based on alkenones and alkenoates: potential for disentangling mixed species input. Organic Geochemistry, 128. pp. 26-41. ISSN 0146-6380 doi: https://doi.org/10.1016/j.orggeochem.2018.12.008

Vachula, R., Russell, J. M., Huang, Y. and Richter, N. (2018) Assessing the spatial fidelity of sedimentary charcoal size fractions as fire history proxies with a high-resolution sediment record and historical data. Palaeogeography, Palaeoclimatology, Palaeoecology, 508. pp. 166-175. ISSN 0031-0182 doi: https://doi.org/10.1016/j.palaeo.2018.07.032

Vachula, R. S., Santos, E., Alexandre, M. R. and Huang, Y. (2018) Comparison of black carbon chemical oxidation and macroscopic charcoal counts for quantification of fire by-products in sediments. Organic Geochemistry, 125. pp. 50-54. ISSN 0146-6380 doi: https://doi.org/10.1016/j.orggeochem.2018.08.011

Kaufman, B., Kelly, C. S. and Vachula, R. S. (2018) Paleoenvironment and archaeology provide cautionary tales for climate policymakers. Geographical Bulletin, 59 (1). pp. 5-24. ISSN 0731-3292

Vachula, R. S. and Richter, N. (2018) Informing sedimentary charcoal-based fire reconstructions with a kinematic transport model. The Holocene, 28 (1). pp. 173-178. ISSN 0959-6836 doi: https://doi.org/10.1177/0959683617715624

Vachula, R. S., Chipman, M. L. and Hu, F. S. (2017) Holocene climatic change in the Alaskan Arctic as inferred from oxygen-isotope and lake-sediment analyses at Wahoo Lake. The Holocene, 27 (11). pp. 1631-1644. ISSN 0959-6836 doi: https://doi.org/10.1177/0959683617702230

Westerstahl Stenport, A. and Vachula, R. S. (2017) Polar bears and ice: cultural connotations of Arctic environments that contradict the science of climate change. Media, Culture & Society, 39 (2). pp. 282-295. ISSN 1460-3675 doi: https://doi.org/10.1177/0163443716655985

This list was generated on Thu Oct 22 07:28:05 2020 UTC.

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