Sentences with phrase «glacier retreat occur»

And why did glacier retreat occur more than 3 times faster from the 1860s to 1940s as it has from the 1940s to 2000s?

From 1850 - 1945 worldwide glacier retreat occurred as the Little Ice Age ended.

Widely - quoted findings from the entire region show that glacier retreats occurred mostly in the east (4), (Figure 3), 1, 2 6,15, 25), while in the west, the glaciers» responses are complex, especially around the Karakoram region.

An exception to the worldwide trend of glacier retreat occurs in the Karakoram region of the western Himalaya.

Not exact matches

They used a dating technique perfected in the last 20 years that measures elemental changes in the rock that occur when the rock gets bombarded by cosmic rays after the glacier's retreat.

Analysis of the data reveals that 87 % of glaciers have retreated (click on the image for a more detailed figure) and that the change from advance to retreat has occurred progressively with latitude.

In pointing out the significance of the above findings, it is important to note that, over a period of time in which the bulk of the modern rise in atmospheric CO2 has occurred, not only have the majority of glaciers from this large region of Antarctica not retreated, they have collectively grown!

Glaciers retreating in western Canada have revealed evidence of previous forests, showing that warming and cooling cycles do indeed occur, even without SUVs.

Analysis of the data reveals that 87 % of glaciers have retreated and that the change from advance to retreat has occurred progressively with latitude.

These are known as interstadial and stadial periods, which occur when glaciers retreat and advance, respectively.

1400 — 1549 the pre-culmination period of the Little Ice Age 1550 — 1849, the culmination period which contains the «years without a summer» 1850 — 1967, the post-culmination period in which a definite retreat of glaciers and substantial atmospheric warming occurred.

However, going back several centuries and reconstructing the entire process of glacier shrinkage from the «little ice age» — the last glacial maximum occurred in this part of the Andes between the 17th and 18th centuries — Andean glaciers began to retreat around AD1730 - 50.

Changes occurring due to glacier retreat have been observed in the Lewis Glacier Basin.

The glaciers» most rapid 20th century retreat occurred between 1920 and 1950, followed by an advance in the 1970s and then a renewed retreat in 1998.7,8,9 [emphasis added]

Global warming must be the primary cause of glacier retreat, which is occurring on a global scale, but observed rapid melt rates suggest that other factors may be involved.

You can't fake spring coming earlier, or trees growing higher up on mountains, or glaciers retreating for kilometres up valleys, or shrinking ice cover in the Arctic, or birds changing their migration times, or permafrost melting in Alaska, or the tropics expanding, or ice shelves on the Antarctic peninsula breaking up, or peak river flow occurring earlier in summer because of earlier snowmelt, or sea level rising faster and faster, or any of the thousands of similar examples.

Below are examples of photos show the strongest and most obvious result of global warming; retreating glaciers, melting ice and shrinking snow cover occurring in the arctic region of the world.

An equilibrium response occurs when a new equilibrium is reached by a retreating glacier losing enough of its high ablating sections, usually at its lowest elevations, so that accumulation once again balances ablation.

This makes it difficult for a large calving retreat of the glacier to occur and extend inland.

Today many people are also unable to believe that the retreat of the glaciers and the climate change causing this are occurring for natural reasons.

Because glaciers move slowly, however, a time lag can occur between the changing climatic conditions and the resulting glacier advance or retreat.

Alaska Geographic published a chart of the retreat of the glaciers at Glacier Bay, Alaska, showing most of the retreat occurred before the 2nd half of the 20th century: