An accurate understanding of the influence of ocean bottom topography helps to diagnose the velocities of subsurface currents.
surface waves & tides
Posted inResearch Spotlights
Run-Ups of Unusual Size
Not all waves are created equal when it comes to eroding sandy shorelines. Here’s a look at the physics that drives the big ones.
Posted inResearch Spotlights
Modeling Ocean Waves over Rocky Reefs
A field survey in Australia links rugged seafloor terrain to erosion-causing waves.
Posted inResearch Spotlights
Accounting for Accelerated East Coast Sea Level Rise
An analysis of tide gauge records and physical models shows acceleration of sea level rise on the East Coast due to melting of the Greenland Ice Sheet is especially pronounced south of 40°N latitude.
Posted inResearch Spotlights
Can Ocean Tides Be Powerful Indicators of Climate Change?
A new study simulates how ocean warming due to climate change will affect the electromagnetic signal emitted by ocean tides over the next century.
Posted inResearch Spotlights
Sun Glitter Provides a Detailed Map of Ocean Waves
European scientists use satellite sensors to detect light reflected off waves at the ocean's surface, which could help improve wave forecasts.
Posted inOpinions
Why We Must Tie Satellite Positioning to Tide Gauge Data
Accurate measurements of changes in sea and land levels with location and time require making precise, repeated geodetic ties between tide gauges and satellite positioning system equipment.
Posted inResearch Spotlights
Tide Gauge Records May Underestimate 20th Century Sea Level Rise
Tide gauges can help measure sea level change, but their limited locations and short records make it hard to pinpoint trends. Now researchers are evaluating the instruments' limitations.
Posted inNews
Tiny, Deep Quakes Increase on San Andreas as Tides Tug on Fault
When the gravity of the Sun and Moon causes Earth's crust to bulge every 2 weeks, slow-moving earthquakes proliferate in the lower reaches of the San Andreas, a new study finds.
Posted inResearch Spotlights
The Dance of Surface Waves and Ocean Circulation
One mathematical model best describes the complex interplay between an ocean's surface waves and its underlying circulation.