Sentence examples for individual tephra from inspiring English sources

We illustrate this with an enhanced chronology from Skaftártunga, south Iceland that is based on 200 stratigraphic profiles and 2635 individual tephra deposits from 23 different eruptions within the last 1140 years.

However, because the dark layers in the Japan Sea sediments are synchronous across the whole basin, each individual tephra should always occur in the same position relative to the dark layer stratigraphy.

Because the petrographic and geochemical characteristics of tephra grains vary greatly from deposit to deposit, these characteristics can be used to "fingerprint" individual tephra units, allowing any tephra bed to be correlated with established terrestrial and marine tephra records.

Mean uncertainty in the hand drawn isopach map is 64%%, significantly greater than the uncertainty associated with observational uncertainty of an individual tephra unit (16 %) within the Fogo member A deposit.

The volcanic source area for the individual Pliocene Middle Pleistocene tephras is unknown (Satoguchi and Nagahashi 2012).

Fig. 8 Volumes of tephra to individual disposal sites (see Fig. 2 for locations of disposal sites).

Based on numerical simulations using the Active Tracer High Resolution Atmospheric Model (ATHAM), Textor et al. (2003) predicted that the high solubility of HCl would result in its rapid dissolution into liquid water and ice, whether as individual hydrometeors or as coatings on tephra surfaces (hydrometeor-tephra aggregates).

The mass of tephra transported by individual pulses ranged between 0.4 · 105 kg (minimum of m t_min) and 3.7 · 105 kg (maximum of m t_max).

While the statement that individual sand and silt-sized tephra grains may be retained on leaves and take weeks or longer to reach the ground surface is of no surprise, the observation that some 1912 Novarupta tephra was still perched on some of the large horizontal branches of spruce trees 66 years after the eruption is more startling.

Tephra collection in Takaharu to the end March 2011, including the manufacture of bags but excluding road and agricultural facility operations, cost 5,087,000 JPY (~66,000 USD) (Table 9), and the total amount of tephra collected by individuals as at 25 March was estimated to be 221,720 kg (Takaharu Town, 2011c).

We focused on understanding tephra fall impacts to individual system components but also considered overall system functionality.