Robert K. Booth
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View article: Recent Changes in the Use of Phototrophy by a Mixotrophic Testate Amoeba Inferred from δ13C Measurements from an Arctic Peat Core
Recent Changes in the Use of Phototrophy by a Mixotrophic Testate Amoeba Inferred from δ13C Measurements from an Arctic Peat Core Open
High-latitude ecosystems are undergoing rapid ecological changes in response to climate warming. While some changes are well studied, the responses of microbial communities remain less understood. Testate amoebae, shell-producing protists …
View article: Recent <i>Sphagnum</i> expansion into the tundra on the North Slope of Alaska
Recent <i>Sphagnum</i> expansion into the tundra on the North Slope of Alaska Open
Observations on the North Slope of Alaska have revealed patches of Sphagnum peat within the widespread matrix of tussock tundra on mineral soils. Little is known about the developmental history of these Sphagnum patches and whether they re…
View article: Increasing Tephra Deposition in Northeastern North America Points to Atmospheric Circulation Changes at the Early Mid Holocene Transition
Increasing Tephra Deposition in Northeastern North America Points to Atmospheric Circulation Changes at the Early Mid Holocene Transition Open
The number of cryptotephra (non‐visible volcanic ash) records from northeastern North America is unique in the continent. The resulting tephrostratigraphic framework includes ash deposits sourced from volcanic arcs across the Northern Hemi…
View article: Correction to: Drought as an emergent driver of ecological transformation in the twenty-first century
Correction to: Drought as an emergent driver of ecological transformation in the twenty-first century Open
[This corrects the article DOI: 10.1093/biosci/biae050.].
View article: Drought as an emergent driver of ecological transformation in the twenty-first century
Drought as an emergent driver of ecological transformation in the twenty-first century Open
Under climate change, ecosystems are experiencing novel drought regimes, often in combination with stressors that reduce resilience and amplify drought’s impacts. Consequently, drought appears increasingly likely to push systems beyond imp…
View article: Differential Hydrogen Isotopic Ratios of Sphagnum and Vascular Plant Biomarkers in Ombrotrophic Peatlands as a Quantitative Proxy for Precipitation-Evaporation Balance
Differential Hydrogen Isotopic Ratios of Sphagnum and Vascular Plant Biomarkers in Ombrotrophic Peatlands as a Quantitative Proxy for Precipitation-Evaporation Balance Open
We have developed a new approach to quantitatively reconstruct past changes in evaporation based on compound-specific hydrogen isotope ratios of vascular plant and Sphagnum biomarkers in ombrotrophic peatland sediments. We show that the co…
View article: The 852/3 CE Mount Churchill eruption: examining the potential climatic and societal impacts and the timing of the Medieval Climate Anomaly in the North Atlantic region
The 852/3 CE Mount Churchill eruption: examining the potential climatic and societal impacts and the timing of the Medieval Climate Anomaly in the North Atlantic region Open
The 852/3 CE eruption of Mount Churchill, Alaska, was one of the largest first-millennium volcanic events, with a magnitude of 6.7 (VEI 6) and a tephra volume of 39.4–61.9 km3 (95 % confidence). The spatial extent of the ash fallout from t…
View article: Comment on cp-2021-170
Comment on cp-2021-170 Open
The 852/3 CE eruption of Mount Churchill, Alaska, was one of the largest first millennium volcanic events, with a magnitude of 6.7 (VEI 6) and a tephra volume of 39.4–61.9 km3 (95 % confidence). The spatial extent of the ash fallout from t…
View article: The 852/3 CE Mount Churchill eruption: examining the potential climatic and societal impacts and the timing of the Medieval Climate Anomaly in the North Atlantic Region
The 852/3 CE Mount Churchill eruption: examining the potential climatic and societal impacts and the timing of the Medieval Climate Anomaly in the North Atlantic Region Open
The 852/3 CE eruption of Mount Churchill, Alaska, was one of the largest first millennium volcanic events, with a magnitude of 6.7 (VEI 6) and a tephra volume of 39.4–61.9 km3 (95 % confidence). The spatial extent of the ash fallout from t…
View article: A latest Pleistocene and Holocene composite tephrostratigraphic framework for northeastern North America
A latest Pleistocene and Holocene composite tephrostratigraphic framework for northeastern North America Open
Lakes and bogs in northeastern North America preserve tephra deposits sourced from multiple volcanic systems in the Northern Hemisphere. However, most studies of these deposits focus on specific Holocene intervals and the latest Pleistocen…
View article: Predicting paleoclimate from compositional data using multivariate Gaussian process inverse prediction
Predicting paleoclimate from compositional data using multivariate Gaussian process inverse prediction Open
Multivariate compositional count data arise in many applications including ecology, microbiology, genetics, and paleoclimate. A frequent question in the analysis of multivariate compositional count data is what values of a covariate(s) giv…
View article: QUA volume 92 issue 1 Cover and Back matter
QUA volume 92 issue 1 Cover and Back matter Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: QUA volume 91 issue 3 Cover and Front matter
QUA volume 91 issue 3 Cover and Front matter Open
Cover photo.Despite a magnitude 6.9 earthquake (2015-07-27, 04:49:46 UTC) ~50 km south-southeast of the Islands of Four Mountains, the steam plume never wavered from the summit of Mt.Cleveland volcano (center).The scanty steaming of fumaro…
View article: Predicting paleoclimate from compositional data using multivariate\n Gaussian process inverse prediction
Predicting paleoclimate from compositional data using multivariate\n Gaussian process inverse prediction Open
Multivariate compositional count data arise in many applications including\necology, microbiology, genetics, and paleoclimate. A frequent question in the\nanalysis of multivariate compositional count data is what values of a\ncovariate(s) …
View article: QUA volume 89 issue 3 Cover and Front matter
QUA volume 89 issue 3 Cover and Front matter Open
Cover photo.Aeolian Quaternary loess and Late Miocene-Pliocene Red Clay at Shilou section on the eastern Chinese Loess Plateau, North China.The climate and environment of the Shilou area are dominated by seasonal reversal of Asian winter m…
View article: QUA volume 89 issue 2 Cover and Front matter
QUA volume 89 issue 2 Cover and Front matter Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: QUA volume 89 issue 1 Cover and Front matter
QUA volume 89 issue 1 Cover and Front matter Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: QUA volume 89 issue 1 Cover and Back matter
QUA volume 89 issue 1 Cover and Back matter Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: The Neotoma Paleoecology Database, a multiproxy, international, community-curated data resource
The Neotoma Paleoecology Database, a multiproxy, international, community-curated data resource Open
The Neotoma Paleoecology Database is a community-curated data resource that supports interdisciplinary global change research by enabling broad-scale studies of taxon and community diversity, distributions, and dynamics during the large en…
View article: QUA volume 88 issue 2 Cover and Front matter
QUA volume 88 issue 2 Cover and Front matter Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: QUA volume 87 issue 3 Cover and Front matter
QUA volume 87 issue 3 Cover and Front matter Open
An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
View article: Did the AD 853 Mount Churchill eruption trigger societal and climatic impacts in the northern mid-latitudes?
Did the AD 853 Mount Churchill eruption trigger societal and climatic impacts in the northern mid-latitudes? Open
Mount Churchill, Alaska, produced two of the largest North American eruptions of the last 2,000 years. The younger event dispersed a minimum of 50 km3 of ash to the east of the volcano, which is preserved as a visible tephra bed (known as …
View article: Correction: Corrigendum: Solar cycles or random processes? Evaluating solar variability in Holocene climate records
Correction: Corrigendum: Solar cycles or random processes? Evaluating solar variability in Holocene climate records Open
Scientific Reports 6: Article number: 23961 published online: 05 April 2016; updated: 27 June 2016. A coding error in the Monte Carlo procedure for the determination of critical values in running correlation analysis (presented in Suppleme…