Sentences with phrase «after the volcanic eruption of»

[Using the GISS record staring in 1991 or 1992 — the cool years just after the volcanic eruption of Mt. Pinatubo]

Not exact matches

Dr Ubide said it was currently very difficult to predict volcanic eruptions — as evidenced by the eruption at Mount Agung in Bali, which started last November after 2 months of precursory earthquakes.
«We have found that the deposition of sulfur compounds in the Antarctic after very large volcanic eruptions in the tropics may be lower than previously thought,» the atmospheric researcher summarizes the findings of the study which has just been published in the current issue of the international «Journal of Geophysical Research — Atmosphere.»
After large volcanic eruptions that pump sulphur dioxide into the atmosphere, such as that of mount Pinatubo in the Philippines in 1991, the planet cools for a year or two.
Besides SSCE, scientists have also been investigating stratospheric sulfur injections — firing sun - reflecting aerosols into the air, similar to the cooling effect after a volcanic eruption — and cirrus cloud thinning, where you thin the top level of clouds, which have a warming effect on the planet.
REYKJAVIK (Reuters)- Iceland lowered its warning code for possible volcanic disruption to the aviation industry to orange from red on Sunday after further analysis of an apparent eruption under a glacier found there had been no eruption after all.
Researchers know that large amounts of aerosols can significantly cool the planet; the effect has been observed after large volcanic eruptions.
«Our results suggest an eruption at the beginning of Yellowstone's most recent volcanic cycle was triggered within 10 months after reheating of a mostly crystallized magma reservoir following a 220,000 - year period of volcanic quiescence,» says Till.
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.
After decades of dueling studies about whether it was an asteroid or volcanic eruptions that did in the dinosaurs, it is apparent that the mineral - deposit evidence is indirect and open to interpretation, even if the scientists advancing the various claims sound pretty sure of themselves.
Hiatuses can also be triggered by volcanic eruptions that eject particles into the air, reflecting sunlight away from Earth, as happened after the eruption of Mount Pinatubo in 1991.
Not until 201 million years ago did dinosaurs begin to dominate worldwide, say Olsen and Irmis — after a mass extinction, caused by volcanic eruptions, wiped out many of their cold - blooded reptile and amphibian competitors.
Not until after a catastrophic chain of volcanic eruptions cooled the Earth and decimated those competitors did dinosaurs become dominant worldwide.
New Zealand scientists mapped the Havre volcano, a caldera nearly three miles (4.5 kilometers) across on the seafloor northeast of the North Island of New Zealand, using shipboard sonar instruments in 2002 and again immediately after the eruption in 2012, revealing the presence of new volcanic material on the seafloor.
Knowing both the physical location and the altitude distribution of aerosols in the volcanic cloud allow more accurate forecasts in the days, weeks and months after an eruption.
Regardless of artistic style, paintings created soon after volcanic eruptions had redder skies than those painted during periods of low volcanic activity, the researchers report online today in Atmospheric Chemistry and Physics.
The rock regatta Shortly after the 2006 eruption of an underwater volcano near the Pacific island of Tonga, researchers found a wide variety of organisms hitching a ride on volcanic pumice, Bryan told OurAmazingPlanet.
It's also now well understood that large volcanic eruptions have a short - term cooling effect, see GW FAQ: effect of volcanic activity (short - term being the key phrase, after Church et al Nature 2005, and also http://www.llnl.gov/str/JulAug02/Santer.html)
After the removal from the data set of short periods of temperature perturbation that relate to near - equator volcanic eruption, we use derivatives to document the presence of a 5 - to 7 - month delayed close relationship between SOI and GTTA.
Zooming in on the period after 1970, one sees a record of largely unabated warming, with temperatures increasing steadily accompanied by some short - term variability driven by El Niño and La Niña events, and also by major volcanic eruptions like Pinatubo in 1992.
The Yellowstone caldera is a complex system of rock formations that sprung after a series of volcanic eruptions some 630,000 million years ago.
Archaeological excavations of the ancient city of Pompeii in Italy unearthed perfume - making equipment that had been preserved under volcanic ash after the eruption of Mount Vesuvius in A.D. 79, an eruption which devastated the area.
hi im interested on ur work but i do nt have much budget my name is luther john and i created our very own first princess fairy tale called the last moondancer Princess Luna the lead female protagonist is based on the character of ancient Babaylans before the spaniards discovered the philippines She was adopted by the oldest moondancer in puerto princesa After a cursed volcanic eruption in mt mayon and was trained all her life to become a moondancer but all her life she only dreams of finding this magical pearl which believed to be the tear from the Gods that grants ur wishes Moondancers can heal any kind of sickness when they dance and their powers wer gift from the Goddess of the Moon Mayari
When its construction was finally finished after 75 years or so, the building was covered in a thick layer of ashes from several volcanic eruptions.
Jakarta, Indonesia (CNN) Authorities have issued the highest - level warning possible after volcanic eruptions from Mount Agung on the Indonesian resort island of Bali forced the closure of the island's main airport and evacuation of thousands of residents living nearby.
Kasha - Katuwe Tent Rocks National Monument is a geologic wonder, full of towering cone - shaped tent rock formations formed after volcanic eruptions took place six to seven million years ago.
Volcanic ash that spread after the eruption on Saturday afternoon resulted in the closure of Ngurah Rai International Airport in Bali and the Lombok airport as well as the cancellation of hundreds of flights.
Volcanic ash has fallen onto a number of villages surrounding Mount Agung in Bali following an eruption at the island's tallest volcano on Tuesday afternoon, less than a month after the alert level was lowered.
After leaving Turtle Town we cruise down the south shore of Maui where our experienced captain gives an informative and historical narration covering celebrity homes, island history and volcanic eruptions.
Hundreds of passengers are facing travel disruption after a volcanic eruption in Indonesia sent ash clouds over the region, forcing airlines to cancel flights to and from Northern Australia.
Thousands of tourists have been left stranded after a volcanic eruption in Indonesia.
Soemantoro's lithographs convey her reaction to the various stages of volcanic eruptions, from the initial rumblings and steam explosions, through the massive explosive eruptions of magma, lava flows, and, finally, the silence after the chaos subsides.
In his recent exhibition at Federica Schiavo Gallery, the artist found inspiration in the caverns located underneath the Naica Mine in Mexico that hold some of the biggest natural crystals known on Earth, and the petrified tree forest on Hawaii Island that formed after a volcanic eruption in 1970.
In other words, if we are after a cause (or causes) for the temperature increase during the period in question, the presence or absence of aerosols from volcanic eruptions is beside the point, because they can not explain any increase in temperatures that occurred prior to any cooling effect they might have had.
After a large volcanic eruption, the layer of sulfate aerosols in the stratosphere gets thicker, and we see, in the historic record, that the Earth cools down in response.
Volcanic activity was high during this period of history, and we know from modern studies of volcanism that eruptions can have strong cooling effects on the climate for several years after an eruption.
He writes: I say this is a result of the action of climate phenomena that oppose the cooling... if my theory were correct, we should see a volcanic signal in some other part of the climate system involved in governing the temperature... I should see an increase in the heat contained in the Pacific Ocean after the eruptions Thing is, El Ninos release heat from the ocean, they don't store heat.
In fact, the rate of change of CO2 levels actually drops slightly after a volcanic eruption, possibly due to the cooling effect of aerosols.
The models currently assume a generally static global energy budget with relatively little internal system variability so that measurable changes in the various input and output components can only occur from external forcing agents such as changes in the CO2 content of the air caused by human emissions or perhaps temporary after effects from volcanic eruptions, meteorite strikes or significant changes in solar power output.
2) There are errors in the assumed forcings, such as: a) AR5 let stratospheric aerosol concentration go to zero after 2000 (a sure way to prod the models into higher predictions), but it actually increased for the next 10 years «probably due to a large number of small volcanic eruptions».
From the paper: «The results also 1) reveal a significant level of coupling between ocean and land temperatures that remains even after the effects of ENSO and volcanic eruptions have been removed; 2) serve to highlight the improvements in the quality of the time series of global - mean land temperatures with the increase in the areal coverage of the station network from 1951 onward; and 3) yield a residual time series in which the signature of anthropogenically induced global warming is more prominent.»
Generally, a significant cooling of the surface occurs in the first weeks after major volcanic eruptions, lasting for one to two years and leading to modified patterns of precipitation, surface pressure and the teleconnection patterns, such as the Arctic Oscillation (AO), North Atlantic Oscillation (NAO)
After the removal from the data set of short periods of temperature perturbation that relate to near - equator volcanic eruption, we use derivatives to document the presence of a 5 - to 7 - month delayed close relationship between SOI and GTTA.
«Climate models used historic data for factors like greenhouse gas concentrations, solar output, volcanic eruptions, air pollution, and other factors that can affect the climate through 2005 or so, but after that point made assumptions of how these would change in the future.
This result compares well with the observed hemispheric transport of volcanic debris leading to «the year without a summer» in 1816 in the northern hemisphere after the 1815 Tambora volcano cataclysmic eruption in Indonesia in 1815.
If you look at the the lower stratospheric temperature, you do see a large positive temperature perturbation immediately after the volcanic eruption (this is expected of course), but rather than returning to the same relatively constant temperature, it shifts to a new, lower temperature operating point.
200 years after the eruption of Mount Tambora, the eruption volume remains poorly known, as is true for other volcanic eruptions over past millennia.
In contrast, global avg temperature data do show that after a dip (e.g. due to a strong volcanic eruption), the data go back to the level that they would have had in the absence of the dip.
As they stand at present the models assume a generally static global energy budget with relatively little internal system variability so that measurable changes in the various input and output components can only occur from external forcing agents such as changes in the CO2 content of the air caused by human emissions or perhaps temporary after effects from volcanic eruptions, meteorite strikes or significant changes in solar power output.
Lindenthal, Langmann, Patsch, Lorkowski Hort (2013) «The ocean response to volcanic iron fertilisation after the eruption of Kasatochi volcano: a regional - scale biogeochemical ocean modelstudy.
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