Sentences with phrase «warming events within»

Recent research has focussed on exposing the dynamics of carbon cycling across rapid climatic warming events within the Eocene extreme «greenhouse», where he has offered an alternative explanation for their genesis compared to prevailing views that invoked repeated releases of carbon from buried sedimentary reservoirs.

``... the point - of - discussion is the synchronicity of warm events within the Northern Hemisphere on centennial time scales.»

Not exact matches

«Instead, more than 1000 years of human occupation passed before a rapid warming event occurred, and then the megafauna were extinct within a hundred years.»

«As the seas warm because of our effect on the climate, bleaching events in the Great Barrier Reef and other areas within the Coral Sea are likely to become more frequent and more devastating,» the team of Australian university scientists wrote Thursday in The Conversation, announcing the results of the analysis.

Short - term events within the Holocene interglacial period include the Medieval Warm Period (MWP), Roman Warm Period (RWP), Little Ice Age (LIA), and other cool events such as 4.2, 5.9, 7.2 and 8.2 kyr events.

Even in the end Cretaceous extinction, in which dinosaurs were finally wiped out by an asteroid impact, a major global - warming extinction event was already underway causing a major extinction within 150,000 years of the impact.

Regardless, I would posit the worsening winter ice formation is as expected given the poles suffer first and winters warm faster than summers, BUT that this is happening within two years of the EN peak, which was my time line in 2015, one wonders if the combination of warm EN - heated Pacific waters (oceans move slowly) and warm air are a trailing edge of the EN effect OR this is signallibg a phase change driven by that EN, or is just an extreme winter event.

At least 4 transient global warming events related to massive carbon input occurred through the late Paleocene — early Eocene, apparently paced by orbital cycles within the Milankovitch band (Lourenset al., 2005; Galeotti et al., 2010).

So, within a period of a month or so, we learn, first, that the much debated global warming «pause» is real after all (regardless of what the cause might be, which remains uncertain), and second, that widely held assumptions regarding extreme weather events caused by AGW, such as droughts and flooding, are unfounded.

I'm assuming this is more suggesting that we could be looking at exceptionally warm seasons or years within an already fast - warming Arctic, events yet to be factored in to AGW impacts.

Temperatures in Greenland jumped up by more than 10 ºC within a few decades at the beginning of DO events, typically remaining warm for several centuries after.

... we strongly support Delworth and Knutson's (2000) contention that this high - latitude warming event represents primarily natural variability within the climate system, rather than being caused primarily by external forcings, whether solar forcing alone (Thejll and Lassen, 2000) or a combination of increasing solar irradiance, increasing anthropogenic trace gases, and decreasing volcanic aerosols.

From brand new «neutral» discussions that have concluded within a matter of weeks that global warming is real to Geological Society taking a stand that the current situation could be comparable to previous events in the past that were associated with periods of warming.

Previously Trenberth has argued that extreme events such as recent droughts and heat waves worsened due to CO2 warming and despite the fact that climate experts found those events to be within the bounds of natural variability (discussed here).

(Not least because I expect to see ice - free Arctic summers within that span — «ice - free» defined as sub-1 million km2 extent — and I expect that there will be a warming feedback from that event.

The 25 D - O events during the last glacial, where temperatures rose and fell by 5 to 10 degrees C (10 - 15 degrees C for Greenland) within a span of decades that were «explained by internal variability of the climate system alone ``, deemed global in scale, and they occurred without any changes in CO2 concentrations, which stayed steady at about 180 ppm throughout the warming and cooling.

During the 8.2 k global - scale cooling - warming event, temperatures dropped by multiple degrees and warmed back up again by multiple degrees within a span of just 150 years.

Hot magma deep within Earth may have heated carbon - rich rocks, releasing methane into the atmosphere and leading to an ancient warming event, scientists suggest.

Once a temperature threshold is breached, abrupt events follow due to amplifying feedbacks, even within a few years, examples being (1) freeze events which followed temperature peaks during past interglacial peaks due to influx of cold ice - melt water into the north Atlantic Ocean; (2) the Dansgaard — Oeschger warming events during the last glacial period; (3) the Younger dryas stadial freeze and the Laurentian stadial freeze.

Additionally, he said they lack the physical evidence of what are known as «dynamical links,» — physical ties within elements of the Earth's climate system, such as the upper oceans and lower atmosphere — between Arctic warming and extreme events.

Given the effects we are already seeing from the warming that has already occurred due to the GHGs we have already emitted, at this point it is very difficult for me to imagine any plausible course of events which does NOT result in the collapse of human civilization under the onslaught of AGW within a few decades at most.

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