Tag

Swot

All articles tagged with #swot

science18 days ago

NASA satellite captures detailed images of Pacific tsunami

NASA and French satellite SWOT captured high-resolution images of a Pacific tsunami caused by a 2025 earthquake, revealing complex wave patterns and challenging traditional models that treat large tsunamis as non-dispersive. The data suggest that dispersion plays a significant role in tsunami behavior, which could improve future forecasting and hazard assessment by integrating satellite, buoy, seismic, and geodetic data. This breakthrough highlights the need to update tsunami models to account for wave dispersion and internal structure.

science1 year ago

Assessing the Impact of a Greenland Tsunami

An international satellite mission, including NASA's SWOT satellite, detected a unique tsunami in Greenland's Dickson Fjord, triggered by a massive rockslide in September 2023. The tsunami's seismic activity was recorded globally for nine days. SWOT's advanced radar technology allowed researchers to measure water elevation changes, revealing significant differences in water levels within the fjord. This event highlights SWOT's capability to monitor natural hazards, aiding in disaster preparedness and risk reduction.

science-and-astronomy2 years ago

"California Coast Experiences Alarming Marine Heat Wave, Satellite Image Reveals"

The Surface Water and Ocean Topography (SWOT) satellite has captured a marine heat wave off the coast of California in data from August 2023. This heat wave is a signature of El Niño, a climate cycle that sees the Pacific Ocean warm and the trade winds weaken at irregular intervals. The U.S. National Oceanic and Atmospheric Administration (NOAA) has forecasted a greater than 70% chance for a strong El Niño this coming winter. Scientists can use SWOT data to monitor sea level changes and inform their forecasts and models.