Sentences with phrase «tropical volcanic eruptions»

Over the last century, most of the more prominent drops in global temperature coincide with large, tropical volcanic eruptions (the solid lines in Figure 1).

Tropical volcanic eruptions, which were frequent in the 19th century (e.g., Tambora in 1815, and Krakatoa in 1883), became much rarer after the Santa Maria eruption of 1902 and the 1912 Katmai eruption.

The short - term variations are dominated by ENSO but also can be influenced by large tropical volcanic eruptions (such as occurred in 1963, 1982 and, markedly, 1991), so the years after those eruptions are anomalously cool.

Vernier, J. - P., L.W. Thomason, et al. 2011: Major influence of tropical volcanic eruptions on the stratospheric aerosol layer during the last decade.

Shindell D.T., Schmidt G.A., Mann E.M. and Faluvegi G. (2004) Dynamic Winter Climate Response to Large Tropical Volcanic Eruptions since 1600, Journal of Geophysical Research, 109, D05104, 1 - 12.

It actually ended up reinforcing a controversial hypothesis that had been put forward more than two decades ago by a scientist who had argued there was a relationship between tropical volcanic eruptions and El Nino events.

Impact of known local and tropical volcanic eruptions of the past millennium on the WAIS Divide microparticle record.

The short - term variations are dominated by ENSO but also can be influenced by large tropical volcanic eruptions (such as occurred in 1963, 1982 and, markedly, 1991), so the years after those eruptions are anomalously cool.

They suggest the «little chill» started with a 50 - year episode of four massive tropical volcanic eruptions.

The second event was a paper published by Cole - Dai and two colleagues titled «Ice Core Evidence for an Explosive Tropical Volcanic Eruption 6 Years Preceding Tambora.»

However, if there are really significant tropical volcanic eruption (s)(like Tambora in 1815 or Samalas in 1257) then there will also be sustained global cooling in the following decades.

Not exact matches

Beyond human activity, tropical sea surface temperatures further back in time are affected by volcanic eruptions, changes in the intensity of sunlight and natural events like El Niño.

The team of researchers examined the hydroclimatic and societal impacts in Egypt of a sequence of tropical and high - latitude volcanic eruptions spanning the past 2,500 years, as known from modern ice - core records.

In any year, temperatures around the world can be nudged up or down by short - term factors like volcanic eruptions or El Ninos, when warm water spreads over much of the tropical Pacific Ocean.

Volcanic eruptions have helped make Costa Rica's soil highly fertile, which directly benefits the growth of dense tropical rainforests.

The two pyramidal cones, covered with thick tropical vegetation, were formed by lava from a volcanic eruption 30 to 40 million years ago.

The volcanic eruption of Mount Agung two decades later pushed the wreck 25m out to sea, resting at a depth of 30m, and eventually becoming home to colourful coral colonies teeming with tropical fish.

Re: tropical vs high latitude volcanic eruptions — I know the effect is likely negligible, but tropical locations are selected for launches into space because of centripetal force, right?

Their causes range from completely unpredictable events like volcanic eruptions (which have mainly local effects) to more regular phenomena such as «El Niño» (a warming of the surface waters of the tropical Pacific that occurs every three to five years, temporarily affecting weather world - wide).

Are they still valid, if an external forcing leads to a very strong but rather short - term disturbance (e.g. a very strong volcanic eruption) that either acts regionally (high - latitude eruption) or hemispherically (tropical eruption)?

In any year, temperatures around the world can be nudged up or down by short - term factors like volcanic eruptions or El Ninos, when warm water spreads over much of the tropical Pacific Ocean.

Most agree it's difficult to determine exactly what is driving late summer temperatures in the tropical Atlantic — be it natural climate variability, greenhouse gases or some other factor, such as volcanic eruptions.

As a test of the models» annular sensitivity, the response to volcanic aerosols in the stratosphere is calculated during the winter following five major tropical eruptions.

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