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Richard S. Vachula
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A global database of Holocene paleotemperature records
D Kaufman, N McKay, C Routson, M Erb, B Davis, O Heiri, S Jaccard, ...
Scientific data 7 (1), 1-34, 2020
230*2020
Evidence of Ice Age humans in eastern Beringia suggests early migration to North America
RS Vachula, Y Huang, WM Longo, SG Dee, WC Daniels, JM Russell
Quaternary Science Reviews 205, 35-44, 2019
722019
Assessing the spatial fidelity of sedimentary charcoal size fractions as fire history proxies with a high-resolution sediment record and historical data
RS Vachula, JM Russell, Y Huang, N Richter
Palaeogeography, Palaeoclimatology, Palaeoecology 508, 166-175, 2018
442018
Systematic chemotaxonomic profiling and novel paleotemperature indices based on alkenones and alkenoates: Potential for disentangling mixed species input
Y Zheng, P Heng, MH Conte, RS Vachula, Y Huang
Organic geochemistry 128, 26-41, 2019
392019
Informing sedimentary charcoal-based fire reconstructions with a kinematic transport model
RS Vachula, N Richter
The Holocene 28 (1), 173-178, 2018
392018
Correlation between the ratio of 5-methyl hexamethylated to pentamethylated branched GDGTs (HP5) and water depth reflects redox variations in stratified lakes
Y Yao, J Zhao, RS Vachula, JP Werne, J Wu, X Song, Y Huang
Organic Geochemistry 147, 104076, 2020
332020
Sedimentary biomarkers reaffirm human impacts on northern Beringian ecosystems during the Last Glacial period
RS Vachula, Y Huang, JM Russell, MB Abbott, MS Finkenbinder, ...
Boreas 49 (3), 514-525, 2020
312020
A critical appraisal of charcoal morphometry as a paleofire fuel type proxy
RS Vachula, J Sae-Lim, R Li
Quaternary Science Reviews 262, 106979, 2021
262021
Polar bears and ice: Cultural connotations of Arctic environments that contradict the science of climate change
AW Stenport, RS Vachula
Media, Culture & Society 39 (2), 282-295, 2017
232017
Sedimentary charcoal proxy records of fire in Alaskan tundra ecosystems
RS Vachula, J Sae-Lim, JM Russell
Palaeogeography, palaeoclimatology, palaeoecology 541, 109564, 2020
222020
Climate exceeded human management as the dominant control of fire at the regional scale in California’s Sierra Nevada
RS Vachula, JM Russell, Y Huang
Environmental Research Letters 14 (10), 104011, 2019
212019
Lake ecosystem on the Qinghai–Tibetan Plateau severely altered by climatic warming and human activity
J Liang, RL Lupien, H Xie, RS Vachula, MA Stevenson, BP Han, Q Lin, ...
Palaeogeography, Palaeoclimatology, Palaeoecology 576, 110509, 2021
202021
Abrupt freshening since the early Little Ice Age in Lake Sayram of arid central Asia inferred from an alkenone isomer proxy
Y Yao, J Lan, J Zhao, RS Vachula, H Xu, Y Cai, H Cheng, Y Huang
Geophysical Research Letters 47 (16), e2020GL089257, 2020
202020
A meta-analytical approach to understanding the charcoal source area problem
RS Vachula
Palaeogeography, Palaeoclimatology, Palaeoecology 562, 110111, 2021
192021
New insights into environmental controls on the occurrence and abundance of Group I alkenones and their paleoclimate applications: Evidence from volcanic lakes of northeastern …
Y Yao, J Zhao, WM Longo, G Li, X Wang, RS Vachula, KJ Wang, Y Huang
Earth and Planetary Science Letters 527, 115792, 2019
192019
Paleoenvironment and Archaeology Provide Cautionary Tales for Climate Policymakers
B Kaufman, CS Kelly, RS Vachula
The Geographical Bulletin 59 (1), 5-24, 2018
182018
Phylogeny, alkenone profiles and ecology of Isochrysidales subclades in saline lakes: Implications for paleosalinity and paleotemperature reconstructions
Y Yao, J Zhao, RS Vachula, S Liao, G Li, EJ Pearson, Y Huang
Geochimica et Cosmochimica Acta 317, 472-487, 2022
172022
The morphology of experimentally produced charcoal distinguishes fuel types in the Arctic tundra
EMB Pereboom, RS Vachula, Y Huang, J Russell
The Holocene 30 (7), 1091-1096, 2020
172020
Temperature-controlled tundra fire severity and frequency during the last millennium in the Yukon-Kuskokwim Delta, Alaska
J Sae-Lim, JM Russell, RS Vachula, RM Holmes, PJ Mann, JD Schade, ...
The Holocene 29 (7), 1223-1233, 2019
172019
A usage-based size classification scheme for sedimentary charcoal
RS Vachula
The Holocene 29 (3), 523-527, 2019
172019
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Articles 1–20