
Glacier Quick Facts | National Snow and Ice Data Center
What is a glacier? A glacier is an accumulation of ice and snow that slowly flows over land. Alpine glaciers are frozen rivers of ice, slowly flowing under their own weight down mountainsides …
Glaciers - National Snow and Ice Data Center
What is a glacier? A glacier is an accumulation of ice and snow that slowly flows over land. At higher elevations, more snow typically falls than melts, adding to its mass. Eventually, the …
Science of Glaciers | National Snow and Ice Data Center
What is the lifecycle of a glacier, and what factors influence its lifecycle? The amount of precipitation, whether in the form of snowfall, freezing rain, avalanches, or wind-drifted snow, …
Why Glaciers Matter | National Snow and Ice Data Center
Glacier melt delivers nutrients into lakes, rivers, and oceans. Those nutrients can drive blooms of phytoplankton—the base of aquatic and marine food chains. Meanwhile, gradual glacier melt …
Learn - National Snow and Ice Data Center
Quick facts, basic science, and information about snow, ice, and why the cryosphere matters The cryosphere includes all of the snow and ice-covered regions across the planet.
World Glacier Inventory - NSIDC
The World Glacier Inventory (WGI) contains information for over 130,000 glaciers. Inventory parameters include geographic location, area, length, orientation, elevation, and classification. …
Sea Ice Today - National Snow and Ice Data Center
Sea ice data is updated daily, with a one-day lag. On occasion, there is data delay which is usually resolved within a few days. The orange line in extent and concentration images (left …
GLIMS - National Snow and Ice Data Center
This data collection’s primary data product is the GLIMS Glacier Database. The glacier database includes measurements of glacier geometry, glacier area, snowlines, supraglacial lakes and …
Global PyGEM-OGGM Glacier Projections with RCP and SSP …
This data set comprises results from a hybrid glacier evolution model that uses the mass balance module of the Python Glacier Evolution Model (PyGEM) and the glacier dynamics module of …
Quick Facts About Ice Shelves | National Snow and Ice Data Center
The height of the Antarctica's largest ice shelf, the Ross Ice Shelf, looms in the background with sea ice spreading in front. — Credit: National Oceanic and Atmospheric Administration …