Примери за използване на Glacial periods на Английски и техните преводи на Български
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The last of these glacial periods ended 10,000 years ago, according to ACS.
These intervals of greater moisture availability are not always contemporaneous with glacial periods.
During glacial periods more of Zealandia became a terrestrial rather than a marine environment.
The ice lakes in the highest parts of Rila have arisen during the glacial periods and especially during the quaternary period. .
During glacial periods, when the lake level is fairly high, mud sediments will settle out and be deposited.
During the Quaternary glaciation period, which began about 2.7 to 1 million years ago, cold glacial periods took place every 41,000 years.
During the coldest parts of the glacial periods, up to 30 percent of the earth was covered with ice.
During the Quaternary glaciation period, which began about 2.7 to 1 million years ago,cold glacial periods took place every 41,000 years.
But the planet has also seen three glacial periods, or ice ages, when at least some permanent ice sheets existed.
During the beginning of the Quaternary glaciation, from about 2.7 million to 1 million years ago, these cold glacial periods occurred every 41,000 years.
For the most recent glacial periods ice cores provide climate proxies from their ice, and atmospheric samples from included bubbles of air.
During the beginning of the Quaternary glaciation, from about 2.7 million to 1 million years ago,these cold glacial periods occurred every 41,000 years.
In one of those long, cold glacial periods when the winter sea ice stretched from the North Pole all the way down to what is now Los Angeles, great bears roamed the frozen wastes of Ireland.
In the past,methane has ranged between 300-400 ppb during glacial periods and 600-700 ppb during warm interglacial periods. .
Millions of years ago"Great Blue Hole" was a dry cave, which have formed stalactites and stalagmites, butrising sea level after the last glacial periods, it was flooded.
Partially as a result of these oscillations, Earth goes through glacial periods(better known as ice ages) and warmer interglacial periods. .
Sub-sea permafrost occurs close to 0°C cover large areas of the Arctic continental shelf- theextended perimeter of each continent and coastal plain, which was part of the continent during the glacial periods.
Many modern continental shelves were above sea level and exposed during glacial periods, when more water was locked into massive ice sheets that covered the planet.
Earth's cycles consist of both cold glacial periods- or ice ages- when large parts of the world are covered in large ice sheets, and warmer interglacial periods when the ice thaws and sea levels rise.
(Historically, methane concentrations in the world's atmosphere haveranged between 300 and 400 ppb during glacial periods commonly known as ice ages, and between 600 to 700 ppb during the warm interglacial periods). .
Most of the permafrost existing today formed during cold glacial periods, and has persisted through warmer interglacial periods, including the Holocene- the geological epoch which began approximately 11,700 years ago.
Aside from climatic changes that have caused the gradual drift of populations(for example the desertification of the Middle East, andthe formation of land bridges during glacial periods), extreme weather events have caused smaller scale population movements and intruded directly in historical events.
But the data on the history of volcanism doesn't always match up with glacial periods, he said, and the volcano theory offers no good explanation for why ice ages should stop as well as start.
Interplay of glacial erosion and tectonic forcing governs the morphologic impact of glaciations on active orogens,by both influencing their height, and by altering the patterns of erosion during subsequent glacial periods via a link between rock uplift and valley cross-sectional shape.
The mitochondrial DNA sequences are so distinct that the sea spiders probably began to diverge about a million years ago- perhaps during glacial periods when a deterioration in conditions left small populations of sea spiders isolated from one another in ice-free“refugia”, where they could each develop their own genetic mutations.
About 50 million years ago, rivers going through them began to dig valleys and through several glacial periods on the same path descended glaciers as well, which further carved valleys.
Aside from climatic changes that have caused the gradual drift of populationsfor example the desertification of the Middle East, and the formation of land bridges during glacial periods, extreme weather events have caused smaller scale population movements and intruded directly in historical events.
Think about what we were like during the glacial period.
The Last Glacial period.
Glacial period(ice age).