Ice Sheets - Climate Change: Vital Signs of the Planet
Ice Sheets Key Takeaway: Antarctica is losing ice mass (melting) at an average rate of about 150 billion tons per year, and Greenland is losing about 270 billion tons per year, adding to sea …
Global Ice Viewer - Climate Change: Vital Signs of the Planet
Ice, which covers 10 percent of Earth's surface, is disappearing rapidly. Select a topic below to see how climate change has affected glaciers, sea ice, and continental ice sheets worldwide.
Warming seas and melting ice sheets – Climate Change: Vital …
2015年8月25日 · As the ice sheets continue to melt, scientists predict their meltwater will overtake natural causes as the most significant source of regional variations and the most significant …
Ice Sheets – Climate Change: Vital Signs of the Planet
Data from NASA's GRACE and GRACE Follow-On satellites show that the land ice sheets in both Antarctica (left chart) and Greenland (right chart) have been losing mass since 2002. The …
Climate Time Machine - Climate Change: Vital Signs of the Planet
Satellite observations show that the polar ice sheets shed a combined 418 billion metric tons of ice per year between 2002 and 2023, contributing the most to global sea level rise. The …
The real ice sheets of Antarctica – Climate Change: Vital Signs of …
2016年2月9日 · Air bubbles make up 10 percent of glacier ice. That may sound incredible, but it's true. In fact, teams of scientists spend entire careers studying these ice cores to learn about …
Arctic Sea Ice Minimum | NASA Global Climate Change
The animated map below shows the minimum size of the Arctic sea ice measured each year since 1979, based on satellite observations. The 2012 sea ice extent is the lowest in the satellite …
Greenland's Rapid Melt Will Mean More Flooding
2019年12月10日 · The Greenland Ice Sheet is rapidly melting, having lost 3.8 trillion tons of ice between 1992 and 2018, a new study from NASA and the European Space Agency (ESA) …
Ice in Motion: Satellites Capture Decades of Change
2019年12月10日 · New time-lapse videos of Earth’s glaciers and ice sheets as seen from space – some spanning nearly 50 years – are providing scientists with new insights into how the …
10 Things: All about ice - Climate Change: Vital Signs of the …
2018年3月28日 · Snow, ice sheets, glaciers, sea ice and permafrost, known as the cryosphere, act as Earth’s thermostat and deep freeze, regulating temperatures by reflecting heat from the …