نتایج جستجو برای: glaciers birds
تعداد نتایج: 47078 فیلتر نتایج به سال:
The authors examine the net winter, summer, and annual mass balance of six glaciers along the northwest coast of North America, extending from Washington State to Alaska. The net winter (NWB) and net annual (NAB) mass balance anomalies for the maritime glaciers in the southern group, located in Washington and British Columbia, are shown to be positively correlated with local precipitation anoma...
[1] Satellite radar measurements show that ice shelves in Pine Island Bay have thinned by up to 5.5 m yr 1 over the past decade. The pattern of shelf thinning mirrors that of their grounded tributaries the Pine Island, Thwaites and Smith glaciers and ocean currents on average 0.5 C warmer than freezing appear to be the source. The synchronised imbalance of the inland glaciers is the result of r...
Equilibrium-line altitudes (ELAs) of former glaciers in the Zardkuh Mountain of the Zagros Mountain Range were reconstructed from glacial-geologic data on former ice limits by using various methods. In the study area various types of glacial landforms such as outwash fans, moraines and well developed glacial cirques are observed. The results suggest that ELA were depressed 1433 m below to prese...
This paper combines a study of the rock debris and 60/ 60 isotopic characteristics of basal ice sequences in three representative glaciers in South Georgia and concludes that the debris and ice has been entrained mainly by basal freezing . The size distribution of the rock debris is typical of crushing and abrasion, and reflects transport at the ice-rock interface. The 60/ 0180 relationships sh...
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