Sentences with phrase «volcanic ash on»

FUTUREFARMERS, AMY FRANCESCHINI The Sun Set in Type Using Matter Fallen from the Sky, 2014 Particulate matter and volcanic ash on paper 39 5/16 x 39 5/16 in.

Not exact matches

From our Vineyard perched on top of Howell Mountain at at elevation of 2,100 feet, this Cabernet reflects the power and intensity characteristic of a terroir of decomposed volcanic ash and red clay.

A steady stream of advice from local authorities, seemingly focusing on ways to make life difficult for teachers who have been stranded as a result of the disruption of travel arrangements by the volcanic ash cloud, continues to emerge.

«If these employers persist with their attempts to penalise teachers then clearly there will be on - going repercussions in schools long after the volcanic ash has settled and normal travel arrangements have been restored.»

Oppenheimer and his colleagues get called on during volcanic crises to help with ground - based remote sensing of ash clouds.

Flashes of lightning in volcanic ash clouds may have helped set the stage for life on Earth.

Depending on the size and depth of an underwater eruption, gas and ash may never break the ocean surface, or the gas and ash could create a volcanic plume with the potential to interfere with air travel.

Age estimates relied on measures of the decay of radioactive forms of argon and uranium in volcanic ash layers framing tool - bearing sediment.

The new results might even help earth scientists who seek to infer the thickness of Earth's ancient atmosphere based on the size of raindrop craters left in now - hardened volcanic ash.

They then applied a precise dating technique based on natural radioactive decay of uranium, as Urs Schaltegger added: «In the sedimentary cross-sections, we found layers of volcanic ash containing the mineral zircon which incorporates uranium.

They found carbon layers on the bones with a structure and composition that suggests they are charred soft tissue — and the limbs of skeletons are flexed as if they had been trapped in volcanic ash (Nature Communications, DOI: 10.1038 / ncomms4151).

They work on determining the age of minerals in volcanic ash, which establishes a precise and detailed chronology of Earth's climate evolution.

The photo makes it seem like a dangerous place, but when I visited, the only volcanic matter that landed on my head was ash.

In 1815, the Indonesian volcano Tambora propelled more ash and volcanic gases into the atmosphere than any other eruption in history and resulted in significant atmospheric cooling on a global scale, much like Krakatau a few decades later.

A volcanic eruption in Papua New Guinea on Friday sent smoke and ash spewing high over the South Pacific island nation, leading some aircraft to alter their flight paths.

They were made on a sandy seashore, possibly a small river delta, whereas the Laetoli tracks were made in volcanic ash.

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.

The 3.5 - million - year - old hominids appeared as models in an exhibit that had just opened at the American Museum of Natural History in New York City; the replicas were based, in part, on fossilized footprints preserved in volcanic ash at Laetoli, Tanzania, which showed unequivocally that these creatures had walked upright.

Marinatos's theory was bolstered in 1967 when he dug up the ruins of Akrotiri, a prosperous Minoan town on Thera that had been buried in volcanic ash.

Now, subtle traces of volcanic ash at Pinnacle Point, a famous archaeological site on the southern coast of South Africa, suggest that at least some groups of early humans survived, and even thrived, in the eruption's aftermath.

Willenbring, now an associate professor at the Scripps Institution of Oceanography in San Diego, California, had alleged, in a lengthy complaint filed with BU in October 2016, and reported on by Science last month, that Marchant also physically harassed her, throwing stones at her while she was urinating, blowing volcanic ash in her eyes, and pushing her down a steep, rocky slope several times.

«Those cliffs of volcanic ash are pretty unstable,» said remote sensing specialist and NASA Goddard co-author Dan Slayback of the receding cliffs on the southern side of the island.

Lepre said a layer of volcanic ash below the tool site set a «floor» on the site's age: It matched ash elsewhere that had been dated to about 3.3 million years ago, based on the ratio of argon isotopes in the material.

Some 2.7 billion years ago, in what is now Omdraaisvlei farm near Prieska, South Africa, a brief storm dropped rain on a layer of ash from a recent volcanic eruption.

On Earth, the teams will use simulated lunar dirt, known as JSC - 1, made of volcanic ash.

The passengers on board a 1982 British Airways flight from London to Auckland, New Zealand, know that volcanic ash and jet engines are a dangerous mix.

They work on determining the age of minerals in volcanic ash, which establishes a precise and detailed chronology of the earth's climate evolution.

On the ground, information from aircraft with AVOID technology would be used to build an accurate image of the volcanic ash cloud using real time data.

An infrared system that detects and informs about volcanic ash in the atmosphere has been tested on an Airbus A340.

Volcanic eruptions on Earth usually send hot lava, hot gases or ash into the air and across surrounding land.

Homo sapiens, by contrast, lived on the fringes beyond the range of the volcanic ash clouds.

Others asserted the prints were indistinct and did not establish the characteristics of a fully extended stride, a deep heel strike and a nearly as deep (as when impressed on wet sand or moistened volcanic ash) «toe off», the impression left by the ball of the foot and toes when one, while walking, pushes off and shifts weight to the other leg.

The biggest threat on the boy's journey (that ends at the top of a volcanic ash spewing mountain straight out of Lord of the Rings) is a man - hunting monster like the ones his father fights.

On August 24, 79 CE, the long - silent Mount Vesuvius erupted, and volcanic ash rained down on PompeiOn August 24, 79 CE, the long - silent Mount Vesuvius erupted, and volcanic ash rained down on Pompeion Pompeii.

Of all the things that could disrupt travel to an international event, I can't imagine any agent had «volcanic ash» on the list for travel interruptions.

«While the sun is shining and there is little sign of volcanic ash in the southern regions of Bali, evidence of volcanic ash at higher altitudes on aviation approach and departure paths has prompted the decision to close the airport,» Bali Tourism Board Chairman Ida Bagus Agung Partha Adnyana said in a statement.

The normally bustling airport was a ghost town on Monday night, speckled with confused tourists left stranded by the cancellation of flights because of volcanic ash.

Many airlines enforce stricter rules than the ICAO on flying through volcanic ash.

Ardita explained that the NOTAM was issued on Sunday because the volcanic ash of Mount Agung had spread to the neighboring province, covering the air surrounding the airport.

The Center for Volcanology and Geological Hazards (PVMBG) flew a drone over Mount Agung's crater in Bali on Thursday to analyze ash clouds and volcanic activity after the volcano erupted on Tuesday.

Lombok International Airport was closed once again on Nov. 30 due to the volcanic ash from Mount Agung that headed to the southeast with the speed of 10kts.

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.

State - owned airport operator PT Angkasa Pura I (AP I) has extended the closure of I Gusti Ngurah Rai International Airport by another day, until 7 a.m. on Thursday, as volcanic ash from Mount Agung is still found in airspace near the airport.

Multiple ash layers in Brooks Camp's soil reveal a long record of volcanic eruptions on the Alaska Peninsula.

The airport authority has closed the airport for 24 hours since 7.15 a.m. on Monday due to the spread of volcanic ash from Mount Agung.

Based on volcanology data, the volcano's eruption was quite huge, with an amplitude level of 52 dB and a volcanic ash altitude of more than 2,000 meters above the crater,» said NTB Disaster Mitigation Agency (BPBD) head Muhammad Rum on Tuesday.

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.

Meanwhile, Lombok International Airport general manager I Gusti Ngurah Ardita announced on Thursday morning that the airport would halt operations from 10:37 a.m. until midnight on account of the spread of volcanic ash from Mt. Agung,

The volcanic ash cloud spewed by Mount Agung on the resort island of Bali on Tuesday afternoon has not yet disrupted the operation of Ngurah Rai International Airport.

Ngurah Rai International Airport, the main gateway for tourists to Bali, has been closed temporarily since 7:15 a.m. on Monday due to volcanic ash from Mount Agung.