Results 41 to 50 of about 72,264 (91)

Modelling of bubble nucleation in trachy-phonolitic magmas: implications for the dynamics of ash-rich eruptions [PDF]

open access: yes, 2012
Nucleation of water gas bubbles in trachyphonolitic magmatic melts has been investigated integrating theory and numerical modelling with decompression experiments and analysis of natural ash samples of explosive eruptions.
Colucci, Simone
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Aktivitas Mikroorganisme Pada Tanah Bekas Erupsi Gunung Sinabung Di Kabupaten Karo [PDF]

open access: yes, 2015
Volcanic ash released when the eruption has an acidic pH, thus affecting the amount and activity of microorganisms in the soil. Therefore conducted this study to determine the activity of soil microorganisms in the former eruption of Mount Sinabung in ...
Delvian, D. (Delvian)   +2 more
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Syndromic surveillance to assess the potential public health impact of the Icelandic volcanic ash plume across the United Kingdom, April 2010 [PDF]

open access: yes, 2010
The Eyjafjallajökull volcano in Iceland erupted on 14 April 2010 emitting a volcanic ash plume that spread across the United Kingdom and mainland Europe.
Catchpole, M.   +15 more
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Prevention of Catastrophic Volcanic Eruptions [PDF]

open access: yes, 2017
Giant volcanic eruptions emit sulphate aerosols as well as volcanic ash. Needless to say that volcanic ash causes significant damage to the environment and human at large. However, the aerosols are even worse.
Dassanayake, Abn   +3 more
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The middle Waikato Basin and hills [PDF]

open access: yes, 1992
The middle Waikato (or Hamilton) Basin is a roughly oval-shaped depression more than 80 km north to south and more than 40 km wide. The basin, except in the south, is almost completely surrounded by ranges up to 300 m high, broken by only a few gaps.
Lowe, David J., Selby, Michael J.
core   +1 more source

The Properties and Genesis of Four Middle Altitude Dystrandept Volcanic Ash Soils from Mauna Kea, Hawaii [PDF]

open access: yes, 1969
Hawaii is one of the volcanic areas of the world. Volcanic ash is widespread throughout the area, and many soils contain ash as part of their parent material.
Loganathan, P., Swindale, L.D.
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Contorted stratification with clay lobes in volcanic ash beds, Raglan-Hamilton region, New Zealand [PDF]

open access: yes, 1970
Contorted stratification in basal volcanic ash beds of the Pleistocene Hamilton Ash Formation incorporates halloysitic clay lobes which project upward into a bed of predominantly allophanic material.
Tonkin, Philip J.
core   +1 more source

Properties and Management Implications of Soils Formed From Volcanic Materials in Lembang Area, West Java [PDF]

open access: yes, 2008
Soils formed from volcanic materials have a high potential for agricultural development, especially for horticultural crops, tea, and pine trees. Data on the characteristics of these soils are important for the management planning.
Yatno, E. (Edi), Zauyah, S. (Siti)
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