Mysteries of Wobbling Earth Solved

Mysteries of Wobbling Earth Solved

Using satellite data on how water moves around Earth, NASA scientists solved two mysteries about wobbles in the planet’s rotation. Earth's spin axis drifts slowly around the poles; the farthest away it has wobbled since observations began is 37 feet (12 meters). These wobbles don't affect daily life, but they must be taken into account to get accurate results from GPS, Earth-observing satellites and ground-based observatories.

Atmospheric River Storms Can Reduce Sierra Snow

Atmospheric River Storms Can Reduce Sierra Snow

A new study by NASA and several partners found that in California's Sierra Nevada, atmospheric river storms are two-and-a-half times more likely than other types of winter storms to result in destructive rain-on-snow events, where rain falls on existing snowpack, causing it to melt.

Despite Ban, Ozone-Eating Chemical Remains Prevalent

Despite Ban, Ozone-Eating Chemical Remains Prevalent

Carbon tetrachloride (CCl4), once commonly used as a cleaning agent, is a known air toxin that eats away at the ozone layer. Its production has been banned for many years, but a new CIRES and NOAA study reports those rates are still 30-100 times higher than amounts reported to emission inventories.

Landsat Satellite Spots Sunken Ships

Landsat Satellite Spots Sunken Ships

Using data from the NASA/USGS Landsat 8 satellite, researchers have detected sediment plumes extending as far as four kilometers downstream from shallow shipwreck sites, demonstrating how satellites may be used to locate the watery graves of coastal shipwrecks.

Mediterranean Drought Worst in 900 Years

Mediterranean Drought Worst in 900 Years

A new NASA study used remote-sensing and tree-ring data to conclude that the recent drought that began in 1998 in the eastern Mediterranean Levant region (Cyprus, Israel, Jordan, Lebanon, Palestine, Syria and Turkey) is likely the worst drought of the last nine centuries.

NEWEST V1 MEDIA PUBLICATION

April Issue 2024