Sentences with phrase «snow extent over»

There has been sharp drops in the May and June snow extents over the NH.

Not exact matches

Maue discussed how «two camps» of researchers claim to have increased predictability of such weather events over periods of a month or more by using clues either in the Arctic, related to the extent of sea ice and snow cover, or in the temperature of surface waters across the Pacific Ocean.

The influence of anthropogenic forcing has also been detected in various physical systems over the last 50 years, including increases in global oceanic heat content, increases in sea level, shrinking of alpine glaciers, reductions in Arctic sea ice extent, and reductions in spring snow cover (Hegerl et al., 2007).

Snow indices that consider only monthly mean snow cover extent over Eurasia have a moderate, but statistically significant correlation with the DJFSnow indices that consider only monthly mean snow cover extent over Eurasia have a moderate, but statistically significant correlation with the DJFsnow cover extent over Eurasia have a moderate, but statistically significant correlation with the DJF AO.

The range of ocean remaining frozen over the northern polar region reached its minimum extent for 2009 on September 12, when it covered 1.97 million square miles (5.1 million square km), and now appears to be growing again as the Arctic starts its annual cool - down, the National Snow and Ice Data Center reported.

Annual snow cover extent (SCE) over Northern Hemisphere lands averaged 25.8 million square kilometers in 2017.

Over the last two decades, the Greenland and Antarctic ice sheets have been losing mass, glaciers have continued to shrink almost worldwide, and Arctic sea ice and Northern Hemisphere spring snow cover have continued to decrease in extent.

Now the oceans are warm and it is snowing more and the ice extent retreat is over or nearly over.

In 2011, annual snow cover extent over Northern Hemisphere continents (including the Greenland ice sheet) averaged 24.7 million square kilometers, which is 0.3 million square kilometers less than the long - term average.

Despite dataset and modelling uncertainty, these results, together with the understanding of the causes of observed warming over the past century, provide substantial evidence of a human contribution to the observed decline in Northern Hemisphere spring snow cover extent.

Although a number of scientists are hollering that 2017 was «among the warmest on record», we are not seeing any manifestation of this, at least over the northern hemisphere, where ironically snow and ice have shown surprising extents.

Over the satellite era, the rate of spring snow loss is similar to that of late - summer Arctic sea ice extent, with each at an accelerated pace over the past decOver the satellite era, the rate of spring snow loss is similar to that of late - summer Arctic sea ice extent, with each at an accelerated pace over the past decover the past decade.