Sentences with phrase «glacial climate shifts»
for article Abrupt glacial climate shifts controlled by ice sheet changes.
https://www.nature.com/ Not exact matches
Climate scientists find the last glacial period interesting because ice cores in Greenland and ocean sediment cores have shown that during this period there were sharp shifts in global temperatures.
«Ancient Indonesian climate shift linked to glacial cycle.»
«Although the climate system already was primed for the switch, we argue that these changes initiated the shift from a largely glacial to a largely interglacial climate state.
It seems that after the climate cooled during the last glacial period, disappearing habitat inland forced brown bears toward the coasts, where they encountered polar bears shifted there by British - Irish ice sheets.
As recently as the last glacial period, local climates and whole biomes shifted substantially — and in short order, forcing many species to move, adapt or die out.
Given the number of ways that things can go wrong with continued CO2 emissions (from ocean acidfication and sea level rise to simple warming, shifting precipitation patterns, release of buried carbon in perma - frost, and the possibility of higher climate sensitivities — which seem to be needed to account for glacial / inter-glacial transitions), crossing our fingers and carrying on with BAU seems nothing short of crazy to me.
The interactions (feedbacks) between THC shifts and sea ice and glacial calving (as indicated by ice - rafted debris in deep sea core records) would tend to seriously magnify the climate changes compared to what would be expected from a similar THC shift today.
The process involves years of analyzing tens of thousands of scientific journal articles on topics ranging from sea level rise and glacial melt to past climate shifts.
About 14,500 years ago, the Earth's climate began to shift from a cold glacial world to a warmer interglacial state.
The emergence of civilization during our current interglacial, the Holocene, has been attributed to the «relative climate quiescence» of this period relative to the massive, abrupt shifts in climate that characterized glacial periods in the form of D - O events.»
---- Mayewski, 2016 http://meetingorganizer.copernicus.org/EGU2016/EGU2016-2567.pdf «The demonstration using Greenland ice cores that abrupt shifts in climate, Dansgaard - Oeschger (D - O) events, existed during the last glacial period has had a transformational impact on our understanding of climate change in the naturally forced world.
Müller, J. & Stein, R. High - resolution record of late glacial and deglacial sea ice changes in Fram Strait corroborates ice - ocean interactions during abrupt climate shifts.
Paleo - climate research suggests the position of the ASL also shifts between glacials and interglacials, and drove warm CDW shoreward during interglacials and accelerated glacier retreat.
«We have analyzed the transition from the last glacial period until our present warm interglacial period, and the climate shifts are happening suddenly, as if someone had pushed a button,» said Dahl - Jenson.
The pre-Holocene climate shifts seem to be well accounted for by dynamics of glacial meltoff, freshwater discharge, and the impact on the ocean circulation... all of which is less of an issue in an initially warm climate, and the AR5 generation models give no indication that the overturning circulation will be significantly impacted over the coming century.
Ominously, data showed that sudden climate shifts did not happen only during a glacial period.
2.58 million years is of course the Quaternary where we have a shift in climate from glacials interspersed with short interglacials.
In the past glacial cycles organisms and ecosystems responded to climate change by shifting geographical ranges and when unable to shift local populations died and at times entire species became extinct.
Higher elevation areas could experience altered water flow in some river basins if current rates of glacial retreat continue, but shifts in the location, intensity, and variability of rain and snow due to climate change will likely have a greater impact on regional water supplies.