Now showing items 161-170 of 181
The influence of mixing on the stratospheric age of air changes in the 21st century
Climate models consistently predict an acceleration of the Brewer–Dobson circulation (BDC) due to climate change in the 21st century. However, the strength of this acceleration varies considerably among individual models, ...
Advent of continents: A new hypothesis
© The Author(s) 2016. The straightforward but unexpected relationship presented here relates crustal thickness to magma type in the Izu-Ogasawara (Bonin) and Aleutian oceanic arcs. Volcanoes along the southern segment of ...
Geochemistry of volcanic glasses from the Louisville Seamount Trail (IODP Expedition 330): Implications for eruption environments and mantle melting
Volcanic glasses recovered from four guyots during drilling along the Louisville Seamount Trail, southwest Pacific, have been analyzed for major, trace, and volatile elements (H 2 O, CO 2 , S, and Cl), and oxygen isotopes. ...
IODP Expedition 330: Drilling the Louisville Seamount Trail in the SW Pacific
Deep-Earth convection can be understood by studying hotspot volcanoes that form where mantle plumes rise up and intersect the lithosphere, the Earth's rigid outer layer. Hotspots characteristically leave age-progressive ...
Eruptive shearing of tube pumice: Pure and simple
© Author(s) 2016. Understanding the physicochemical conditions extant and mechanisms operative during explosive volcanism is essential for reliable forecasting and mitigation of volcanic events. Rhyolitic pumices reflect ...
Storm response of a mixed sand gravel beach ridge plain under falling relative sea levels: A stratigraphic investigation using ground penetrating radar
Beach ridge stratigraphy can provide an important record of both sustained coastal progradation and responses to events such as extreme storms, as well as evidence of earthquake induced sediment pulses. This study is a ...
Creating an Earth science garden for teaching
(Geological Society of New Zealand, 2018)
It has long been recognised that Earth science depends upon field data and experience, often surveyed as the leading reason for why geology students enjoy their degree. Petrologist H.H. Read (1957) sums this up in his ...
Staying Safe on a Surf Beach: What Are Rip Currents?
(Frontiers Media SA, 2019)
Model of Risk of Exposure to Lyme Borreliosis and Tick-Borne Encephalitis Virus-Infected Ticks in the Border Area of the Czech Republic (South Bohemia) and Germany (Lower Bavaria and Upper Palatinate)
(MDPI AG, 2019)
In Europe, Lyme borreliosis (LB) and tick-borne encephalitis (TBE) are the two vector-borne diseases with the largest impact on human health. Based on data on the density of host-seeking Ixodes ricinus ticks and pathogen ...
Local Extinction of Bull Kelp (Durvillaea spp.) Due to a Marine Heatwave
(Frontiers Media SA, 2019)
Detailed research has documented gradual changes to biological communities attributed to increases in global average temperatures. However, localized and abrupt temperature anomalies associated with heatwaves may cause ...