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Climate ground zero: Rapid Arctic warming is a major tr...

Climate ground zero: Rapid Arctic warming is a major trigger in extreme global weather events
by Ethan van Diemen, Daily Maverick
July 29, 2021
Climate ground zero: Rapid Arctic warming is a major trigger in extreme global weather events
by Ethan van Diemen, Daily Maverick July 29, 2021
If we are to understand the recent record-breaking heatwave in the western parts of North America, extreme heat in Siberia and devastating floods in Western Europe and parts of China, we need to start taking a closer look at the Arctic. This is according to a newly released report by the Climate Crisis Advisory Group (CCAG). ....

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After COVID-19 Delay, Delta-X Field Campaign Begins in Louisiana – Climate Change: Vital Signs of the Planet

By Esprit Smith,
NASA’s Earth Science News Team
Researchers with NASA’s Delta-X mission conduct preliminary field work in coastal Louisiana’s delta region. Credit: NASA/JPL-Caltech
In Brief:
Teams are headed out by land, water, and air to collect data that will be used to forecast land gain and loss in the Mississippi River Delta as a result of sea level rise.
Around this time last year, scientists and researchers for Delta-X – NASA’s new investigation tasked with studying the Mississippi River Delta – were readying their boats and planes for their first field campaign in coastal Louisiana.
For the water-based part of the campaign, several boats were to be deployed to measure the flow of water through river channels and the subsequent transport of sediment across the region. For the airborne component, three planes outfitted with specialized remote sensing instruments were scheduled to fly over specific areas, taking measurements to estimate wat ....

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NASA Data Power New USDA Soil Moisture Portal – Climate Change: Vital Signs of the Planet

NASA Data Power New USDA Soil Moisture Portal
People looking to plant crops now have a new planning tool in their toolbox thanks to soil moisture data collected by NASA’s Soil Moisture Active Passive (SMAP) mission. Credit: NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team
By Teresa White, Jane Lee, and Jessica Merzdorf,
USDA’s National Agricultural Statistics Service / NASA’s Jet Propulsion Laboratory / NASA’s Goddard Space Flight Center
In Brief:
This tool provides information that will help people track droughts or floods, make plans for when to plant crops, and forecast agricultural yields. ....

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The Climate Connections of a Record Fire Year in the U.S. West – Climate Change: Vital Signs of the Planet

The Climate Connections of a Record Fire Year in the U.S. West
By Alan Buis,
NASA s Jet Propulsion Laboratory
Smoke from wildfires shrouded the San Francisco Bay Area and blocked sunlight on September 9, 2020. Credit: Aaron Maizlish/Flickr/CC BY 2.0
The year 2020 will be remembered for many things, not the least of which were a series of devastating fires around the globe that bear the fingerprints of climate change. From Australia and South America’s Amazon and Pantanal regions, to Siberia and the U.S. West, wildfires set new records and made news year-round.
It was an especially bad year for wildfires on the U.S. West Coast. Five of California’s 10 largest wildfires on record happened in 2020, and the state set a new record for acres burned. According to CAL FIRE, the state’s Department of Forestry and Fire Protection, more than 9,600 wildfires burned nearly 4.2 million acres through mid-December, causing more than 30 fatalities and damaging or destroyi ....

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NASA-Funded Network Tracks the Recent Rise and Fall of Ozone-Depleting Pollutants – Climate Change: Vital Signs of the Planet

NASA-Funded Network Tracks the Recent Rise and Fall of Ozone-Depleting Pollutants
Pollution hanging over eastern China in February of 2004. Image courtesy the SeaWiFS Project, NASA/Goddard Space Flight Center, and ORBIMAGE.
By Lara Streiff s
NASA s Goddard Space Flight Center
A short-lived resurgence in the emission of ozone-depleting pollutants in eastern China will not significantly delay the recovery of Earth’s protective “sunscreen” layer, according to new research published Feb. 10 in Nature.
Stratospheric ozone, also known as Earth’s ozone layer, helps shield us from the Sun’s harmful Ultraviolet (UV) rays. Compounds like CFC-11 (Trichlorofluoromethane, also known as Freon-11), a chemical once considered safe and widely used as a refrigerant and in the production of insulation for buildings, rise to the stratosphere after emission on Earth’s surface. Once in the atmosphere, CFCs are broken down by the UV light and result in the destruction of ....

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