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Satellite Remote Sensing of Volcanic Eruption Clouds
Satellite Remote Sensing of Volcanic Eruption Clouds Satellite Remote Sensing of Volcanic Eruption Clouds David J. Schneider, Larry R. Coke, Shiming Wen and William I. Rose Department of Geological Engineering and Sciences Michigan Technological University Summary The purpose of this document is to provide a tutorial on the use of Advanced Very High Resolution Radiometer (AVHRR) data for the ...
www.geo.mtu.edu

CRU Information Sheet no. 13: Volcanoes and their effect on climate
The most well known eruption of recent times was Tambora, Indonesia, which exploded in 1815. The following summer became known as ... system to a major volcanic event. Earlier work, from the 1960s onwards, suggested that when eruption clouds reach the lower stratosphere (about 20-25km aloft) the dust spreads around over subsequent ...
www.cru.uea.ac.uk

Using Radar to Detect Ash Clouds
Soufriere Hills, Montserrat has produced numerous ash-bearing volcanic clouds that drift around the Lesser Antilles region. The activity is a growing hazard beyond the ... 1997). Continuously operated meteorological radar within 200 km of an active volcano can easily detect eruption clouds in all weather (Rose and Kostinski, 1994), and can accurately measure the height of ...
www.geo.mtu.edu

lithosphere
In this way, these aerosols act much like the polar stratospheric clouds with reactions occurring on their surfaces. The resultant active chlorine species, such as ClO and Cl ... scientists argue that the amount of chlorine put into the stratosphere by a major volcanic eruption rivals that of anthropogenically produced chlorine. In the 1980s, emissions of CFCs added chlorine at ...
www.cotf.edu

CRU Information Sheet no. 2: The Causes of Climatic Change
Earth's atmosphere, the constituents of the atmosphere gases and particles, clouds and pollution interfere with the energy stream, reflecting some heat and light back to space, ... and modelling studies of the likely effect of recent volcanic eruptions suggest that an individual eruption may generate global cooling amounting to two or three tenths of a degree Celsius. The ...
www.cru.uea.ac.uk

Science and the Environment Bulletin: The Telltale Cloud
In the case of a nuclear explosion, computer models can estimate the time it takes for radioactive material to move from an explosion site through the atmosphere to different regions of ...
www.ec.gc.ca

FMI - Research - Atmosphere - Ozone and UV radiation
Mt. Pinatubo in 1991. This eruption spewed a huge number of particles into the air, which then found ... is in winter warmer than it is in the Antarctic, which prevents the formation of stratospheric clouds. This, in turn, is caused by differences in the land-ocean distribution, and atmospheric flow differences ...
fmi.fi

Living on Earth: Iron Fertilization
Carbon stashed away under this long-term banking system may stay underground over the eons, until some extraordinary geophysical process a volcanic eruption, maybe brings it forth again. We humans, however, are short-circuiting these accounts. When we burn fossil fuels, we withdraw carbon from the long-term banking account, then spew it out ...
loe.org

Natureandco.com - Volcanoes in New Zealand - Active volcanoes
VOLCANOES The crater and summit area of Mt Ruapehu covered by ash after the 1995-96 eruption phase. Photo courtesy Ruapehu Tourism. Right: New Zealand's active volcanoes (in red). New Zealand presents ... continuously active of the three. The last eruptive period took place in 1995 and 1996, producing clouds of ashes and lava bombs, and triggering lahars. Read more about Ruapehu eruptions. Read more ...
natureandco.co.nz

Impact of Clouds on the Radiation Balance
Radiation Balance Updated summary (Print text for offline review; images only) 1-13: Impact of Clouds on the Radiation Balance Short Summaries of Recent Research Aerosol Contribution to Energy Balance Improving ... Press, 200-210. Minnis, P., et al, 1993: Radiative climate forcing by the Mount Pinatubo eruption. Science, 259, 1411-1416. Houghton, J.T., G.J. Jenkins, J.J. Ephraums, eds, 1990: ...
www.meteor.iastate.edu