Sentences with phrase «about volcanism»

Suggest you read about the volcanism of the traps versus the type we saw from the 1257 and 1453, which eject lots of sulfate high in the atmosphere.

If Victor would refocus his substantial efforts to understanding the science and evidence supporting AGW rather than trying to prove his moot point about volcanism he might actually gain some insight into the actual robustness of the science.

In August 2016, Ranjan gave a talk at Cambridge University about volcanism on Mars and the types of gases that would have been emitted by such eruptions in the red planet's oxygenless atmosphere.

Not exact matches

The earliest phases of the volcanism began about 300,000 years before the onset of the end - of - Permian extinctions, the team reports online today in Science Advances.

Ideas about continental movement, earthquakes, volcanism and even climate change need to be rethought, according to two Canadian earth scientists.

While they are causing short - term destruction, volcanoes also release carbon dioxide that yields long - term greenhouse - effect warming.The last big pulse of flood - basalt volcanism built the Columbia River plateau about 17 million years ago.

«When we look at the present day, we have a very high fidelity timeline over the last about 500 million years of what's happened on Earth, and we have a pretty good understanding that plate tectonics and volcanism and all these kinds of processes have happened more or less the same way over the last couple of billion years,» says Lindy Elkins - Tanton, director of the School of Earth and Space Exploration at Arizona State University.

A greater knowledge about the interior will also help geologists like Christensen to understand surface effects such as volcanism.

«By comparing the measured craters to the number and spatial distribution of large impact basins on Mercury, we found that they started to accumulate at about the same time, suggesting that the resetting of Mercury's surface was global and likely due to volcanism,» said lead author Dr. Simone Marchi, who has a joint appointment between two of NASA's Lunar Science Institutes, one at the SwRI in Boulder and another at the Lunar and Planetary Institute in Houston.

Messenger's new maps fill in most of the gaps and show that about 40 percent of the landscape has been shaped by volcanism, indicating widespread geologic activity in Mercury's past.

Among its discoveries: an intense radiation belt above Jupiter's cloud tops, helium in about the same concentration as the Sun, extensive and rapid resurfacing of the moon Io because of volcanism and a magnetic field at Ganymede.

One under Réunion Island in the Indian Ocean is thought to have triggered massive volcanism, spewing lava across 580,000 square miles (1.5 million square km) at the Deccan Plateau region of what is now India about 65 million years ago, coinciding with the end of the Age of Dinosaurs.

Results from climate models driven by estimated radiative forcings for the 20th century (Chapter 9) suggest that there was little change prior to about 1915, and that a substantial fraction of the early 20th - century change was contributed by naturally occurring influences including solar radiation changes, volcanism and natural variability.

Re # 26 — As we drift off course here and are talking about the weather, volcanism interaction, I have always thought it odd that Mt Pinatubo's big explosion in 1991 was in the middle of a hurricane (typhoon).

The oldest surface features seem to be about 800 million years old, but extensive volcanism about 300 to 500 million years ago appears to have wiped out earlier surfaces including large craters from the planet's early history.

The most commonly accepted current theory about the genesis of the PETM involves a sudden increase in volcanism spewing out tons of carbon over thousands of years.

For example, using the 2010 ACM factor of 135 (Figure 1) to scale up features of present - day volcanism, Kilauea volcano scales up to the equivalent of 135 Kilauea volcanoes; scaling up all active subaerial volcanoes evokes a landscape with the equivalent of about 9500 active present - day volcanoes [Siebert et al., 2010].

I took Pekka's point to be about sustained volcanism, which would need to be sustained for at least 25 years to get through the F3 filter.

If they can get away with saying the pathetic level of volcanism since Mt P (about 2 % of Mt P) has «contributed» to the pause, there is no limit to the BS they will lay on the lay public in order to lay them.

In my last comment I mentioned no volcanism in 91, scratch that I forgot I time shifted by volcano time line by 8 months to align better with global temperatures, there was a peak in optical thickness about the right time frame for the misfit in the curves in the 01, 02 time frame.

I don't care about whether runaway greenhouse warming or volcanism or a celestial impact was what caused the atmosphere to become so dominated by CO2, only that CO2is keeping Venus» surface hot.