Sentences with phrase «over small glaciers»

The new study reinforces previous research showing the power of climate change over small glaciers worldwide.

Not exact matches

There have been thousands of small earthquakes over the past week at Bardarbunga, which is Iceland's largest volcanic system and located under the ice cap of a glacier.

Amos suggests that obstacles — such as the sea, glaciers, or mountains — on the route from Africa to the Middle East, across the Himalayas and over the Bering Strait, held many migrants back, so that a much smaller group moved on, producing offspring to inhabit new parts of the globe.

It begins with an adrenaline - inducing flight in a small plane from Reykjavik to Egilsstadir, soaring over the country's desolate highlands, including Iceland's most active volcano and the largest glacier in Europe.

Further down along the coast, the mountains get smaller and more rounded, and their lush green forms poke over beautiful tidewater glaciers.

The small glaciers in the Central Range of Irian Jaya, the Indonesian portion of New Guinea, have shrunk by well over a mile.

This loss of strength allows the glacier to flow more rapidly or to surge despite relatively small heat fluxes over a brief period.

And remember, the satellite data are one small part of a vast amount of data that overwhelmingly show our planet is warming up: retreating glaciers, huge amounts of ice melting at both poles, the «death spiral» of arctic ice every year at the summer minimum over time, earlier annual starts of warm weather and later starts of cold weather, warming oceans, rising sea levels, ocean acidification, more extreme weather, changing weather patterns overall, earlier snow melts, and lower snow cover in the spring...

That may seem small at first, but over time, especially when combined with other sources of sea level rise such as melting Greenland glaciers and the expansion of seawater as ocean temperatures increase, it adds up.

Joughin and others, 2008 observed that seasonal drainage of meltwater to the glacier bed induces a uniform acceleration of 50 — 150 meters / year over a ~ 300 km long section of the West Greenland margin that is not drained by outlet glaciers, causing a large fractional acceleration of the interior ice sheet but a small fractional change in the speed of fast - moving outlet glaciers.

This small thickening, sustained over thousands of years and spread over the vast expanse of these sectors of Antarctica, corresponds to a very large gain of ice - enough to outweigh the losses from fast - flowing glaciers in other parts of the continent and reduce global sea level rise.

His study, based on carbon - dated tree remains, which were recovered under receding alpine glaciers, gives a clear picture of smaller glacier extent than today in several periods over the past 10,000 years.

The rapid melt of small glaciers and mountain ice caps will be the main source of sea level rise over the next century, according to a new study.

27 and computed time series by averaging the mascons over (i) Greenland, (ii) Antarctica, and (iii) mountain glaciers and small ice caps (areas updated from ref.

Indeed, working with predictions for future temperature increases and glacier melt rates generated by ten separate global climate models — all of which are also used by the Intergovernmental Panel of Climate Change - the team have concluded that these smaller ice sources will contribute around 12 centimetres to world sea - level increases over the remainder of the century, with this likely to have catastrophic consequences for numerous natural habitats as well as for hundreds of thousands of people.