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Heat-trapping gas concentrations top 400 ppm, two months earlier than last year

Heat-trapping gas concentrations top 400 ppm, two months earlier than last year

Over the last five days beginning on March 16, 2014, carbon dioxide levels have surpassed 400 parts per million at NOAA’s Mauna Loa Observatory in Hawaii. This is nearly two months earlier than last year when the concentration of this greenhouse gas was first recorded above 400 parts per million on May 9, at the historic NOAA observatory. 

We caught up with James Butler, Ph.D., Director of NOAA’s Global Monitoring Division, to ask about what it means that we reached this milestone earlier than last year. To track carbon dioxide concentrations daily click here.

March 21, 2014 0 Comments
Serving up climate data in useable formats

Serving up climate data in useable formats

With NOAA funding, Ben Koziol, a CIRES researcher in NOAA’s Earth System Research Laboratory, and partners, have built OpenClimateGIS, a new tool that will aid resource managers and others in the interpretation of climate data at the regional level. Today, Koziol and his collaborator, University of Michigan professor Richard Rood, will attend the launch of the White House’s Climate Data Initiative. Their new software, still in development, is showing promise for serving many sectors, including storm water planning (sewers get overwhelmed by intense rainfalls, which are on the rise in some areas) and emergency planning around dangerous heat waves (also on the rise in some areas).  

 

March 19, 2014 0 Comments
NOAA Seeks Answers to Great Lakes Water Level Changes

NOAA Seeks Answers to Great Lakes Water Level Changes

While people along our nation’s coast experience rising sea levels, residents along the Great Lakes – the Earth’s largest lake system – are adapting to the opposite problem: chronic low water levels and a receding shoreline.

In a perspective now running in Science magazine, Drew Gronewold, a hydrologist at NOAA’s Great Lakes Environmental Research Laboratory, says “the record low water levels in Lake Michigan-Huron in the winter of 2012 to 2013 raise important questions about the driving forces behind water level fluctuations and how water resource management planning decisions can be improved.” 

March 6, 2014 0 Comments
Mapping climate change in the oceans

Mapping climate change in the oceans

An interview with Mike Alexander, research meteorologist at NOAA’s Earth System Research Lab in Boulder, Colorado, about a new web portal that maps climate change effects in oceans. The new web portal is helping NOAA Fisheries Service with its new process to assess how vulnerable fish stocks are to climate change.

March 4, 2014 0 Comments
Amazonian drought conditions add carbon dioxide to the atmosphere

Amazonian drought conditions add carbon dioxide to the atmosphere

As climates change, the lush tropical ecosystems of the Amazon Basin may release more of the greenhouse gas carbon dioxide into the atmosphere than they absorb, according to a new study published Feb. 6 in Nature.

February 5, 2014 0 Comments
NOAA launches research on next generation of high performance weather, climate models

NOAA launches research on next generation of high performance weather, climate models

NOAA and the U.S. Navy are teaming up with academic and other government scientists to design the next generation of powerful supercomputer models to predict weather, ocean conditions and regional climate change.

 

Four teams of scientists are beginning projects this month to rewrite computer models that will create faster, lower-cost, better integrated models.  These new models will take advantage of new supercomputers that use more energy efficient/lower-cost processors such as those originally developed for the video gaming industry.

January 31, 2014 0 Comments
NOAA research shows limits to detecting geo-engineered increases to sunlight reflection

NOAA research shows limits to detecting geo-engineered increases to sunlight reflection

A perspective from NOAA and NASA scientists published online on January 29, 2014 in Nature Climate Change addresses a key question surrounding proposals to engineer the Earth’s climate to increase the planet’s reflection of sunlight to counteract climate warming: Could we measure manmade increases in reflectivity?

January 29, 2014 0 Comments
Climate models show carbon emission mitigation could slow Arctic temperature increases

Climate models show carbon emission mitigation could slow Arctic temperature increases

NOAA-led research using climate model projections concludes the Arctic climate will continue to show major changes over the next decades, but that carbon emission mitigation could slow temperature changes in the second half of the century, according to a paper published by AGU’s Earth’s Future.
January 27, 2014 0 Comments
New study: Dust, warming portend dry future for the Colorado River

New study: Dust, warming portend dry future for the Colorado River

Reducing the amount of desert dust swept onto snowy Rocky Mountain peaks could help Western water managers deal with the challenges of a warmer future, according to a new study led by researchers at NOAA’s Cooperative Institute for Research in Environmental Sciences (CIRES) at the University of Colorado Boulder.
November 14, 2013 0 Comments
New study: Rising temperatures challenge Salt Lake City’s water supply

New study: Rising temperatures challenge Salt Lake City’s water supply

In an example of the challenges water-strapped Western cities will face in a warming world, new research shows that every degree Fahrenheit of warming in the Salt Lake City region could mean a 1.8 to 6.5 percent drop in the annual flow of streams that provide water to the city. 
November 1, 2013 0 Comments
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