Zobrazeno 1 - 9
of 9
pro vyhledávání: '"G. G. J. Ernst"'
Publikováno v:
Annals of Geophysics, Vol 48, Iss 4-5 (2005)
Volcanic eruptions are unsteady multiphase phenomena, which encompass many inter-related processes across the whole range of scales from molecular and microscopic to macroscopic, synoptic and global. We provide an overview of recent advances in num
Externí odkaz:
https://doaj.org/article/8998a8066eed4529b6dbdd82e816170b
Autor:
Frederic Belton, G. G. J. Ernst, Patric Jacobs, Andrew J. L. Harris, Evelyne Mbede, Matthieu Kervyn
Publikováno v:
International Journal of Remote Sensing. 29:6467-6499
Although Tanzania, Kenya and Ethiopia contain a number of active and potentially hazardous volcanoes, none of them are routinely or continuously monitored. Of these, Tanzania's Oldoinyo Lengai (OL) has been active almost continuously over the past tw
Autor:
R. M. Teeuw, G. G. J. Ernst
Publikováno v:
International Journal of Remote Sensing. 29:6439-6442
Autor:
Michael Herzog, Josef M. Oberhuber, G. G. J. Ernst, Christiane Textor, Hans-F. Graf, William I. Rose
Publikováno v:
Journal of Volcanology and Geothermal Research. 150:378-394
The goal of this paper is to determine the parameters that control the aggregation efficiency and the growth rate of volcanic particles within the eruption column. Numerical experiments are performed with the plume model ATHAM (Active Tracer High res
Autor:
William I. Rose, G. G. J. Ernst, Hans-F. Graf, Josef M. Oberhuber, Christiane Textor, Michael Herzog
Publikováno v:
Journal of Volcanology and Geothermal Research. 150:359-377
The aggregation of volcanic ash particles within the eruption column of explosive eruptions has been observed at many volcanoes. It influences the residence time of ash in the atmosphere and the radiative properties of the umbrella cloud. However, th
Publikováno v:
Bulletin of Volcanology. 66:457-473
The Hekla eruption cloud on 26–27 February 2000 was the first volcanic cloud to be continuously and completely monitored advecting above Iceland, using the C-band weather radar near the Keflavik international airport. Real-time radar observations o
Publikováno v:
Journal of Volcanology and Geothermal Research, Vol. 81 (1998) pp. 173-187
Well-preserved tephra fall deposits display thickness variations which are more complex than simple exponential thinning. On plots of log thickness against square root of area enclosed by an isopach contour, many deposits show two or more approximate
Publikováno v:
Journal of Geophysical Research. 113
[1] Water is the dominant component of volcanic gas emissions, and water phase transformations, including the formation of ice, can be significant in the dynamics of volcanic clouds. The effectiveness of volcanic ash particles as ice-forming nuclei (
Publikováno v:
Bulletin of Volcanology; Jul2004, Vol. 66 Issue 5, p457-473, 1p