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NOAA Seeks Answers to Great Lakes Water Level Changes

Understanding causes helps water managers, planners and overall economy

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.” 

Mapping climate change in the oceans

NOAA Research and NOAA Fisheries collaborate on new method to assess fish vulnerability to climate change

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.

NOAA’s Upcoming Weather Forecast Model Zeros In Earlier on Severe Weather

Research behind the High-Resolution Rapid Refresh weather forecast model

Later this year, NOAA’s National Weather Service will usher into daily operations a sophisticated model called the High-Resolution Rapid Refresh, or HRRR, that will update forecasts hourly over the entire lower 48 United States at extremely sharp resolution using the latest observations from a network of ground and satellite-based sensors, radars and aircraft.

The HRRR provides forecast information at a resolution four times finer than what is currently used in hourly updated NOAA models.  This improvement in resolution from 13 to three kilometers is like giving forecasters an aerial photograph in which each pixel represents a neighborhood instead of a city.

NOAA flies through atmospheric rivers off California coast

Researchers study evolution and structure of moisture-bearing rivers in air

Scientists aboard the NOAA Gulfstream IV aircraft are flying over the Pacific Ocean off the U.S. West Coast this week to measure air pressure, temperature, humidity, wind speed and direction to help better understand atmospheric rivers - narrow conveyor belts of water vapor that can bring beneficial water supply and snowpack as well as create dangerous floods.

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

NOAA collaborates with U.S. Navy, other public and private partners to create faster, lower-cost 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.

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Popular Research News

Rise of carbon dioxide unabated

Rise of carbon dioxide unabated Read more

Atmospheric carbon dioxide measured at Mauna Loa Observatory reached a seasonal peak of 417.1 parts per million for 2020 in May, the highest monthly reading ever recorded. Monthly CO2 values at Mauna Loa first breached the 400 ppm threshold in 2014, and are now at levels not experienced by the atmosphere in several million years.

NOAA exploring impact of COVID-19 response on the environment

NOAA exploring impact of COVID-19 response on the environment Read more

NOAA has launched a wide-ranging research effort to investigate the impact of reduced vehicle traffic, air travel, shipping, manufacturing and other activities on Earth’s atmosphere and oceans due to the response to COVID-19.

Dangerous humid heat extremes occurring decades before expected

Dangerous humid heat extremes occurring decades before expected Read more

Climate models project that combinations of heat and humidity could reach deadly thresholds for anyone spending several hours outdoors by the end of the 21st century. However, new NOAA-supported research says these extremes are already happening — decades before anticipated — due to global warming to date.  

Warming influence of greenhouse gases continues to rise, NOAA finds

Warming influence of greenhouse gases continues to rise, NOAA finds Read more

NOAA’s Annual Greenhouse Gas Index tracks the concentrations of greenhouse gases being added to the atmosphere principally from human-caused emissions. The AGGI then calculates the heat being added to Earth's atmosphere and oceans as a result. 

NOAA teams with United Nations to create locust-tracking application

NOAA teams with United Nations to create locust-tracking application Read more

NOAA’s powerful air quality model used to track pollution from wildfires, volcanoes and industrial accidents is now being used to help warn communities across Africa and Asia of what have been called the worst locust swarms in a quarter century. 

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Oceanic and Atmospheric Research (OAR) - or "NOAA Research" - provides the research foundation for understanding the complex systems that support our planet. Working in partnership with other organizational units of the NOAA, a bureau of the Department of Commerce, NOAA Research enables better forecasts, earlier warnings for natural disasters, and a greater understanding of the Earth. Our role is to provide unbiased science to better manage the environment, nationally, and globally.

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