Sentences with phrase «ocean rose dramatically»

Oxygen in the atmosphere and ocean rose dramatically about 600 Mya, coinciding with the first proliferation of animals.
Oxygen in the atmosphere and ocean rose dramatically about 600 million years ago, coinciding with the first proliferation of animal life.
Researchers working in Papua New Guinea think they may have been wiped out when the level of oxygen in the oceans rose dramatically, stimulating the evolution of oxygen - hungry fish that simply out - competed the ammonites for resources.

Not exact matches

Evidence from the National Aeronautics and Space Administration (NASA) shows that global sea levels in the last two decades are rising dramatically as surface temperatures warm oceans and...
Though worn by the weather and time, these natural wonders rise out of the Southern Ocean dramatically and are the main reason most people visit this area during their Australia travel.
As I studied the evidence it became clear to me that the issue was real, and that as greenhouse gas levels increased we would see ice mass disappearing and ocean heat content increasing before temperatures rose dramatically.
Sea levels will NOT need to be expected to RISE DRAMATICALLY as not ALL the «melt» will remain IN the oceans, and we ARE only speaking of less than ~ 2 % of ALL water available to being with being «involved».
Most of this rise comes from warming of the world's oceans and melting of mountain glaciers, which have receded dramatically in many places especially during the last few decades.
So * total * OHC increases but upper ocean OHC doesn't rise dramatically.
«Significant environmental changes, such as sea level and sea temperature rise, oxygen depletion and ocean acidification, will dramatically change the landscape, restructuring an array of natural and physical assets as well as cultural and economic,» said Judith Kidlow of the National Ocean Economics Proocean acidification, will dramatically change the landscape, restructuring an array of natural and physical assets as well as cultural and economic,» said Judith Kidlow of the National Ocean Economics ProOcean Economics Program.
Greenland's Jakobshavn Isbræ glacier has retreated dramatically in recent years, adding freshwater to the ocean and contributing to global sea - level rise.
Further, there has been an almost worldwide reduction in glacial mass and extent in the 20th century; melting of the Greenland Ice Sheet has recently become apparent; snow cover has decreased in many Northern Hemisphere regions; sea ice thickness and extent have decreased in the Arctic in all seasons, most dramatically in spring and summer; the oceans are warming; and sea level is rising due to thermal expansion of the oceans and melting of land ice
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