Sentences with phrase «by volcanic eruptions between»

Along with Santa Barbara Island, Anacapa was formed by volcanic eruptions between 19 and 15 million years ago.

Not exact matches

Indeed, the era between 65,000 and 25,000 years ago, toward the end of the Paleolithic, was a time of major volcanic eruptions, along with extremes of climate that included rapid shifts in temperature accompanied by alternately creeping and contracting glaciers across many regions of Eurasia.
By comparing volcanic activity to records of social unrest, the researchers found a correlation between the two that was too closely matched to dismiss: «In years influenced by volcanic eruptions, Nile flooding was generally diminished, leading to social stress that could trigger unrest and have other political and economic consequences,» Manning saiBy comparing volcanic activity to records of social unrest, the researchers found a correlation between the two that was too closely matched to dismiss: «In years influenced by volcanic eruptions, Nile flooding was generally diminished, leading to social stress that could trigger unrest and have other political and economic consequences,» Manning saiby volcanic eruptions, Nile flooding was generally diminished, leading to social stress that could trigger unrest and have other political and economic consequences,» Manning said.
The largest eruption of the 20th Century inspired a large amount of research on the connection between volcanic eruptions and the Earth's atmosphere in the 12 years since that eruption, as exemplified by the chapters in this book.
McGuire conducted a study that was published in the journal Nature in 1997 that looked at the connection between the change in the rate of sea level rise and volcanic activity in the Mediterranean for the past 80,000 years and found that when sea level rose quickly, more volcanic eruptions occurred, increasing by a whopping 300 percent.
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.
Then you actually need to be able to say something about how climate change will influence El Nino, and by studying the past relationship between El Nino and natural factors like volcanic eruptions we could potentially better inform our understanding of how the El Nino phenomenon will respond to climate change.
ABSTRACT From 1950 to 1987 a strong relationship existed between the El Nino Southern Oscillation (ENSO) and HadCRUT4 global average temperature anomaly, interrupted occasionally by volcanic eruptions.
How the seasonal weather changes at a particular climate depends on ocean currents so you can have correlation between volcanic eruptions and «global climate» but one is not necessarily affected by the other.
The difference between 0.5 to 0.6 and 0.84 may be largely due to GCMs often exhibiting too strong a response to volcanic aerosols and / or a tendency for volcanic eruptions to be closely followed by El Nino events.
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