Data | National Snow and Ice Data Center
Open access data to inform researchers, policymakers, and othersNSIDC’s data management programs focus on preserving and providing access to cryospheric data and related geophysical data.
Science of Snow - National Snow and Ice Data Center
The sun emerges after heavy snow hit Mount Vernon, Iowa. — Credit: Rich Herrmann/Flickr Snow on the ground. The character of the snow surface after a snowfall depends on the original form of the crystals and on the weather conditions present when the snow fell.
Sea Ice Today | National Snow and Ice Data Center
Jan 6, 2025 · 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 and middle) and the gray line in the time series (right) indicate 1981 to 2010 average extent for the day shown.
Ice Sheet Quick Facts - National Snow and Ice Data Center
A meandering melt stream feeds the supraglacial lake in Greenland, eroding a channel on the ice sheet. — Credit: Ian Joughin/Imaggeo Together, the Antarctic and Greenland Ice Sheets contain more than 99 percent of the fresh water ice on Earth.
Arctic Weather and Climate | National Snow and Ice Data Center
This bustling harbor in Ilulissat, Greenland, is filled with various kinds of water vessels. Summers in Greenland turn Greenland green. — Credit: Twila Moon, NSIDC Weather is the day-to-day state of the atmosphere, and its short-term variation in minutes to weeks.
Glacier Quick Facts | National Snow and Ice Data Center
What are ice caps and icefields? An ice cap is a type of glacier, covering less than 50,000 square kilometers (20,000 square miles). Like ice sheets, ice caps tend to spread out in dome-like shapes as opposed to flowing down slopes.
Quick Facts About Snow | National Snow and Ice Data Center
A little girl devours snow. — Credit: Brett/stock.adobe.com The fresher the snow, the less contaminated it can be with things like algae, bacteria, and pollution. However, as pollution also persists in the atmosphere, all snow captures these while forming.
ice floe | National Snow and Ice Data Center
a cohesive sheet of ice floating in the water; the sea ice cover is made up of conglomerates of floes; ice floes are not unique to sea ice, as they also occur in rivers and lakes.
Science of Sea Ice - National Snow and Ice Data Center
This photomicrograph shows a thin section of sea ice containing brine channels. — Credit: Weeks and Assur, 1969 Salt and sea ice are an ever-evolving duo. Sea ice loses its salt content over time and, if the ice persists long enough, it loses all its salt.
Data Tools | National Snow and Ice Data Center
Oct 31, 2024 · 1. All daily (single day and five-day trailing average) extent values in one file, updated daily . Sea_Ice_Index_Daily_Extent_G02135_v3.0.xlsx ; 2. Monthly sea ice average extent and area, and rankings