Sentences with phrase «large volcanic eruptions on»

If there actually were a causal link, then it might help explain the apparent low efficacy of large volcanic eruptions on global temperatures.

She will then focus on recent results her group obtained with regard to extremely large volcanic eruptions on Jupiter's moon Io, and giant storms on Uranus using Keck Observatory.

By conducting a number of numerical simulations of this process, the research team showed that these large reservoirs are crucial to generating the largest volcanic eruptions on Earth.

Not exact matches

Such eruptions, which expel enormous quantities of magma, are the largest volcanic events on earth.

Earth's mantle, the large zone of slow - flowing rock that lies between the crust and the planet's core, powers every earthquake and volcanic eruption on the planet's surface.

There are many reasons that large volcanic eruptions have such far - reaching effects on global climate.

Using an interdisciplinary approach that combined evidence from climate modelling of large 20th - century eruptions, annual measurements of Nile summer flood heights from the Islamic Nilometer — the longest - known human record of environmental variability — between 622 and 1902, as well as descriptions of Nile flood quality in ancient papyri and inscriptions from the Ptolemaic era, the authors show how large volcanic eruptions impacted on Nile river flow, reducing the height of the agriculturally - critical summer flood.

The volume of ash deposited, and the estimated height of the eruption plume (43 kilometers above sea level) put the eruption's magnitude at a minimum of 7 on the volcanic explosivity index (which has a scale of 1 to 8)-- making it one of the largest known in the Holocene.

On at least three occasions during the past 7,000 years, the penguin population was similar in magnitude to today, but was almost completely wiped out locally after each of three large volcanic eruptions.

Volcanic eruptions could drive furious lightning storms on Kepler - 10b, a volcanic exoplanet not much larger thVolcanic eruptions could drive furious lightning storms on Kepler - 10b, a volcanic exoplanet not much larger thvolcanic exoplanet not much larger than Earth

By simulating past summers — instead of relying solely on observations — the scientists established a large range of temperatures that could have occurred naturally under the same conditions, including greenhouse gas concentrations and volcanic eruptions.

«The researchers also calculated the likely effect of remediation on the ozone layer, but found that ozone depletion would be short - lived and similar to that resulting from natural processes such as large solar storms and volcanic eruptions.»

«We found this turtle right on top of the last flood basalts — a large stretch of lava from a series of giant volcanic eruptions,» says Tarduno.

He tells Newsweek the findings play into a bigger picture, where we see large volcanic eruptions having an impact on the global climate that causes a chain effect resulting in social unrest.

Climate scientists have also attempted to estimate climate sensitivity based on the response to recent large volcanic eruptions, such as Mount Pinatubo in 1991.

B. Your graphs starts immediately before a volcanic eruption that had a large effect on global temperatures.

In Earth's past the trigger for these greenhouse gas emissions was often unusually massive volcanic eruptions known as «Large Igneous Provinces,» with knock - on effects that included huge releases of CO2 and methane from organic - rich sediments.

The Largest Volcano on Earth Students create time lines of two major Mauna Loa eruptions and use the information to determine what happens during a typical volcanic eruption.

Tambora: The most destructive, and arguably the largest, volcanic eruption in recorded history was that of Gunung Tambora on Sumbawa.

The largest eruption of the 20th Century inspired a large amount of research on the connection between volcanic eruptions and the Earth's atmosphere in the 12 years since that eruption, as exemplified by the chapters in this book.

The natural variations contain a large random component, depending on the specific variation — for example, a huge volcanic eruption six months from now would require new short - term climate predictions (but the long - term forecast would remain unchanged).

«The researchers also calculated the likely effect of remediation on the ozone layer, but found that ozone depletion would be short - lived and similar to that resulting from natural processes such as large solar storms and volcanic eruptions.»

Andy, in order to have a «lost ring event», the volcanic eruption would likely need to be quite large (I would imagine being 6 or seven on the Volcanic explosive indvolcanic eruption would likely need to be quite large (I would imagine being 6 or seven on the Volcanic explosive indVolcanic explosive index VEI).

Scenario A was described as «on the high side of reality,» because it assumed rapid exponential growth of GHGs and it included no large volcanic eruptions during the next half century.

It is true that there are some orbital cycles that operate on thousands, tens of thousands and hundred thousand year cycles but this has no bearing on short term perturbations such as a large volcanic eruption, a large release of methane clathrates or a large injection of anthropogenic CO2.

And lots of people imagine we could be entering a cooler period in next couple decades, and most are not allowing or counting on, that we could have a large volcanic eruption as part of the mix.

It could be a relatively cheap, effective and quick way to cool the planet by mimicking the natural effects on climate of large volcanic eruptions, but scientists concede there could be dramatic and dangerous side effects that they don't know about.

Current computer models can faithfully simulate many of the important aspects of the global climate system, such as changes in global average temperature over many decades; the march of the seasons on large spatial scales; and how the climate responds to large - scale forcing, like a large volcanic eruption.

The secondary effects of all of the above are very likely to bring on the biggest Earth quakes and largest volcanic eruptions observed for 200 years, the trends of these events have been rising since the early 1990s.

The interannual variability in the individual simulations that is evident in Figure 9.5 suggests that current models generally simulate large - scale natural internal variability quite well, and also capture the cooling associated with volcanic eruptions on shorter time scales.

For example, some scientists have studied the climate response to recent large volcanic eruptions, which can have a measurable impact on global temperatures.

Given the fact that internally the earth itself has large temperature changes which melts the upper mantle and deep crust producing volcanic eruptions at the surface, it is not difficult to see that the thermal energy involved and the mass of the earth itself, that the earth's own internal temperature fluctuations might have bigger effect on the atmosphere's temperature than the sun.

Then throw in massive volcanic eruptions and huge continent wide brush fires caused by volcanoes or meteor showers (both theories I have seen in the literature) and you have many events that could cause climate disruption on a large scale.

If it is mainly greenhouse gases, the trend should go on to the positive side... Of course, a large volcanic eruption may — temporarely — change that all.

Re decadal regression, decades to years ending in a five, as in Marvel et al, are not ideal since several large volcanic eruptions were going on a year or two before the end of the decade.