Sea Ice Today - National Snow and Ice Data Center
Dec 4, 2024 · 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.
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.
Homepage | National Snow and Ice Data Center
Melt events on both sides of the Antarctic Peninsula and along the Dronning Maud coastal ice shelves between December 15 and 19 combined to produce an early-season record melt extent of just below 2 percent of the Antarctic Ice Sheet for December 18.
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.
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.
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.
What do ice cores reveal about the past? | National Snow and Ice …
Mar 24, 2023 · For all their transparent beauty, snowflakes often crystallize around atmospheric particles such as dust or pollen. — Credit: K.G. Libbrecht, National Science Foundation You might not think of snow as a data archive, but it preserves a wealth of information about the past, ranging from landscapes to weather.
Charctic Interactive Sea Ice Graph - National Snow and Ice Data …
How to use Charctic. Developed at NSIDC with support from NASA, the Charctic Interactive Sea Ice Graph enables users to more easily access and explore the National Oceanic and Atmospheric Administration program at NSIDC (NOAA@NSIDC) Sea Ice …
Ice Sheets Today - National Snow and Ice Data Center
5 days ago · The left map shows the total melt days for the Antarctic Ice Sheet as of December 19, 2024. The graph in the middle shows the daily melt extent in red for Antarctic Ice Sheet for the 2024 to 2025 melt season through December 19, 2024, as percentage. The map on the right shows the same but for the ...
Maps - National Snow and Ice Data Center
Sea ice differs between the Arctic and Antarctic, primarily because of their different geographies. The Arctic is a semi-enclosed ocean, almost completely surrounded by land.