Sentences with phrase «impact event»

How will the risk of high impact events, such as heat waves, floods and droughts change over the next few decades and beyond?

«There's no longer any question that dinosaurs in the area survived the asteroid impact event, finally becoming extinct about a million years later,» he says.

He says the evidence points to a small impact event of an asteroid or comet, maybe a body a couple kilometers across.

People respond to the low likelihood of high - impact events more than you'd think they would.

Yes, it could happen, she says, but it's a low probability high impact event.

Chen et al. simulated the pressure and temperature caused by an idealized lightning strike on rocks and found that lightning can produce the same conditions and effects caused by impact events.

Studying impact events on Earth is of great importance to astrobiologists.

Well, although it is not unknown for impact events to affect climate (the K / T boundary event springs to mind) there are a number of hurdles for any such theory to overcome before it moves into the mainstream from the wilder shores of unsubstantiated speculation.

He wanted to know if there might be a record of some kind of impact event that happened in the vicinity of the King Baudoin Ice Shelf in recent years.

There's also a number of interesting applications in the evolution of Earth's atmosphere that branch off from the runaway greenhouse physics, for example how fast a magma - ocean covered early Earth ends up cooling — you can't lose heat to space of more than about 310 W / m2 or so for an Earth - sized planet with an efficient water vapor feedback, so it takes much longer for an atmosphere - cloaked Earth to cool off from impact events than a body just radiating at sigmaT ^ 4.

Therefore, the C60 in the K - T boundary layer may have originated in the extensive wildfires that were associated with the cataclysmic impact event that terminated the Mezozoic era about 65 million years ago.

The expedition is helping answer important questions about the Chicxulub impact event and peak - ring crater formation on planetary bodies.

[Response: Errr... there is no demonstrated rise in volcanic activity, the warming of the ocean is much larger near the surface, the KT impact event has nothing to do with rising CO2 today, natural ice age cycles would be leading to a cooling at the present if large enough to be noticeable, and water vapour is not ignored!

More research at the site might include drilling into ice shelf to see if there is further evidence of a meteorite impact event.

«Taken together, the markers found in the samples offer intriguing evidence that North America had a major impact event about 12,900 years ago.»

Carbonate rock deposits found within the mountain ranges of south - central Nevada, USA, record evidence of a catastrophic impact event known as the Alamo impact.

Risk managers in the financial services industry are skittish about what they perceive as a heightened chance for high - impact event hitting the global financial system hard and they're naming potential cyber attacks as one of the biggest drivers for that increased risk.

Dataminr discovers high - impact events instantly and critical breaking information long before it's in the news.

«Community engagement is a big part of how we live out our vision and mission, and our Community Impact events are one of the clearest examples of that,» Moss says.

The change impacts events around the Zurich, which fall in this quiet stretch between the Masters and The Players before the real busy summer sprint begins.

«Such a large impact event elegantly fits in to what we understand from that formative time.»

Impacting bodies likely exposed bright material that was already in the subsurface or had formed in a previous impact event.

Encouraged that she had found a new way to trace impact events, she joined with geochemist Robert Poreda of the University of Rochester in New York, who had helped develop the technique to find trapped fullerene gases, to look for buckyballs at the sites of mass extinctions.

«Thus, it would appear that [extraterrestrial] fullerenes were delivered to Earth at the P - T [boundary], possibly related to a cometary or asteroidal impact event,» Becker and her colleagues concluded.

The Manicouagan impact event might have contributed to the vegetation change at the Petrified Forest National Park in Arizona but the existing data are unable to prove a direct cause.

Their results further imply, say the authors, that a large portion of the Earth's water was present earlier than the giant impact event that formed the Moon.

He and a colleague wrote a paper in 1981 suggesting that the impact - melted rocks collected during Apollo 17 may stem from multiple impact events.

«This suggests that many splotches may be secondary effects caused by material thrown out from the primary impact event.»

Their work on the Hubble observations of the Deep Impact event kept Hal and Max completely occupied through the second week of July.

Beyond these academic questions, there are also more practical issues related to the possible commercial exploitation of resources from asteroids and comets, and to potential approaches towards protecting the Earth from major extinction - level impact events in the future.

Gale Crater is 96 miles (154 kilometers) in diameter, and scientists think it was created some 3 billion years ago following a massive impact event.

A first phase of work under the agreement will evaluate the performance of Harvard - developed nanofiber materials during a ballistic impact event, such as blast fragmentation and small arms fire.

But it presents NASA with an opportunity to practice for a real - life impact event.

Even very small impact craters may reveal a significant anomaly as is shown by the Lake Tüttensee crater that formed in the Holocene Chiemgau impact event (Figs. 8, 9, 10).

According to Alex Alemi and David Stevenson [20] of the California Institute of Technology, models of the early solar system show that it is very likely that billions of years ago, Venus had at least one moon, created by a huge impact event.

Preview the economic impact these events have for the city and the dates they are in town.

The two - day TMW conference is a leading creative impact event focusing on music, new economy, civic initiative, gender politics, better cities and design thinking.

U-M professor Jeremy Bassis is exploring how global warming is effecting glacial calving, and what impact these events will have on the rise of sea level.

Bart (and Dana below)-- Curry and Emanuel both agree that unlikely but very - high - impact events need to be articulated.

«USING PALAEO - SCIENCE TO UNDERSTAND ClIMATE CHANGE IN AUSTRALIA... As the geographic coverage, time resolution and detail of palaeo - climate records have improved, it has become possible to identify the effects of past climate variations on high impact events such as fire....

Applying biomechanical formulae to a treasure trove of thousands of fossilized leaves of angiosperms — flowering plants excluding conifers — the team was able to reconstruct the ecology of a diverse plant community thriving during a 2.2 million - year period spanning the cataclysmic impact event, believed to have wiped out more than half of plant species living at the time.