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How the Climate System Works
- Department:July 15, 2015
The annual State of the Climate reports involve more than 400 international authors from more than 50 countries. Two chapter authors reflect on what it means to play a part in such an ambitious report.
- Department:July 15, 2015
In 2014, global average sea level was 2.6 inches (67 mm) above the 1993 average, which is the highest yearly average in the satellite record.
- Department:July 15, 2015
In 2014, the upper ocean held more heat than average throughout most of the major ocean basins.
- Department:July 15, 2015
Depending on the data set, 2014 was either the warmest or tied-for-warmest year since records began in the mid-to-late 1800s.
- Department:July 15, 2015
In 2014, precipitation over land was generally below average, while precipitation over the oceans was above average.
- Department:July 15, 2015
Overall, average global river outflow in 2014 slightly exceeded the climate normal.
- Department:July 15, 2015
Worldwide in 2014, three dozen reference glaciers experienced an average mass loss equivalent to of 853 millimeters of water equivalent in 2014.
- Department:July 15, 2015
Scientists estimated global average carbon dioxide concentration at 397.2 parts per million (ppm) in 2014, as the global growth rate of carbon dioxide continues to accelerate.
- Department:June 5, 2015
Scienitsts find connection between El Niño and fewer spring tornadoes in the south-central United States.
- Department:May 22, 2015
A post for map geeks. How to turn an animation of a year's worth of daily rain maps into a single picture.