Sentences with phrase «known volcanic events»

It is considered one of the largest known volcanic events on Earth and it happened deep in the midst of the continental plate of Pangaea, in a part that is now Siberia.

By measuring the abundance of an isotope of the noble gas argon in the rock or its crystals, Gazel and his colleague Michael Kunk of the U.S. Geological Survey found that the magma was much younger than the last known volcanic event on the East Coast — which occurred when the supercontinent of Pangaea slowly pulled apart into North America, Africa and South America some 200 million years ago, forming the Atlantic Ocean in the process.

Not exact matches

The historic temperature pattern we observed has abrupt dips that match the emissions of known explosive volcanic eruptions; the particulates from such events reflect sunlight, make for beautiful sunsets and cool the earth's surface for a few years.

«We know that volcanic activity can have a major effect on the environment, so the big question was, how are these two events related,» Macdonald said in a statement Monday.

We therefore don't know what specific type, frequency or size of volcanic precursors — that is, events that precede an eruption — to look for with Agung volcano.

We are emitting carbon dioxide 10 times faster than one of the world's largest known volcanic eruptions (the Deccan Traps) that was implicated in the Cretaceous - Tertiary extinction event 65 million years ago.

I don't off hand know of any climate scenario that includes a change in the sun great enough to alter Earth's weather for a few years like a big volcanic event can do.

If we know how to simulate a volcanic haze event as the plant would see it — Grow one set of plants with no direct sunlight but exposed to enhanced diffuse skylight vs. another set growing in direct sunlight and normal skylight?

Adding sulfur to the statosphere would do some real serious direct or indirect chemical chain reactions, already known by past volcanic events, when stratospheric Ozone concentrations dip after strong eruptions.

The historic temperature pattern we observed has abrupt dips that match the emissions of known explosive volcanic eruptions; the particulates from such events reflect sunlight, make for beautiful sunsets and cool the earth's surface for a few years.

Their projections are not even in principle forecasts because the modelers have no way of knowing what exogenous events such as major volcanic eruptions might occur.

So what they do is add the volcanic disturbances from known historical events, such as Pinatubi, etc..

We do not know enough to determine under what circumstance CO2 is a forcing or a feedback relative to temperature sometimes it maybe both sometimes over large areas it may even be a coolant e.g. if you think it is the main driver (which I don't) you would have to say it acted as a coolant for several thousand years from the Holocene climate optimum to the LIA — see Fig 6 in the last post at http://climatesense-norpag.blogspot.com I quoted the end Permian Siberian traps as a possible example of CO2 as a forcing but even here CO2 was rising rapidly before the volcanic event.

What does seem to be known is that aerosols fall out of the lower atmosphere (as high as they can be launched with conventional bombs) in days, and persist for less than 2 years when launched into the stratosphere by a major volcanic event like Pinatubo which was equivalent to several H bombs.

The historic temperature pattern we observe has abrupt dips that match the emissions of known explosive volcanic eruptions; the particulates from such events reflect sunlight and cool the Earth's surface for a few years.

Travel insurance providers will not cover known events, such as named tropical storms, named winter storms or volcanic eruptions.

At the same time, you know you need a quality renters insurance policy to protect you against financial devastation in the event of a catastrophe, like a burglary, fire, volcanic eruption, or what have you.