Dataset Information

Uplift and denudation in the continental area of China linked to climatic effects: evidence from apatite and zircon fission track data.

ABSTRACT: Approximately 2284 fission track data were collected to draw a fission track thermotectonic image of the continental area of China. The result exhibits features such that apatite fission track ages increase from the southwestern to eastern and northern continental areas of China. Thermal paths also reveal the different uplift/denudation processes and times between different tectonic units. At the same time, tectonic uplift of the continent has been among the causes of climate change in the continent since the Cenozoic. The uplift of the Qinghai-Tibet Plateau since the Oligocene is the main cause of the formation of the Asian monsoon and inland droughts, and rapid uplift of the Tibet Plateau after the Pliocene has changed the atmospheric circulation. The main period of climate aridity in Central Asia was caused by the rapid uplift of the Tianshan Mountains since the Miocene, and rapid uplift during the Late Miocene to Pliocene intensified the process of aridity. This study provides the first thermotectonic image of uplift and denudation in the continental area of China and provides a new dating of the formation of the Asian monsoon and climate aridity in Central Asia.

SUBMITTER: Qiu N

PROVIDER: S-EPMC6015080 | biostudies-other | 2018 Jun

REPOSITORIES: biostudies-other

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Uplift and denudation in the continental area of China linked to climatic effects: evidence from apatite and zircon fission track data.

Qiu Nansheng N Liu Shuai S

Scientific reports 20180622 1

Approximately 2284 fission track data were collected to draw a fission track thermotectonic image of the continental area of China. The result exhibits features such that apatite fission track ages increase from the southwestern to eastern and northern continental areas of China. Thermal paths also reveal the different uplift/denudation processes and times between different tectonic units. At the same time, tectonic uplift of the continent has been among the causes of climate change in the conti ...[more]

PMID: 29934553

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Project description:The factors that determine the pattern and rate of spread of influenza virus at a continental-scale are uncertain. Although recent work suggests that influenza epidemics in the United States exhibit a strong geographical correlation, the spatiotemporal dynamics of influenza in Australia, a country and continent of approximately similar size and climate complexity but with a far smaller population, are not known. Using a unique combination of large-scale laboratory-confirmed influenza surveillance comprising >450,000 entries and genomic sequence data we determined the local-level spatial diffusion of this important human pathogen nationwide in Australia. We used laboratory-confirmed influenza data to characterize the spread of influenza virus across Australia during 2007-2016. The onset of established epidemics varied across seasons, with highly synchronized epidemics coinciding with the emergence of antigenically distinct viruses, particularly during the 2009 A/H1N1 pandemic. The onset of epidemics was largely synchronized between the most populous cities, even those separated by distances of >3000 km and those that experience vastly diverse climates. In addition, by analyzing global phylogeographic patterns we show that the synchronized dissemination of influenza across Australian cities involved multiple introductions from the global influenza population, coupled with strong domestic connectivity, rather than through the distinct radial patterns of geographic dispersal that are driven by work-flow transmission as observed in the United States. In addition, by comparing the spatial structure of influenza A and B, we found that these viruses tended to occupy different geographic regions, and peak in different seasons, perhaps indicative of moderate cross-protective immunity or viral interference effects. The highly synchronized outbreaks of influenza virus at a continental-scale revealed here highlight the importance of coordinated public health responses in the event of the emergence of a novel, human-to-human transmissible, virus.

Dataset Information

Uplift and denudation in the continental area of China linked to climatic effects: evidence from apatite and zircon fission track data.

Publications

Uplift and denudation in the continental area of China linked to climatic effects: evidence from apatite and zircon fission track data.

Similar Datasets

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