Unraveling shallow-water tsunami waves in reverse
Lea Gardine
907-474-7541
Dec. 15, 2023
This week, scientists from the University of 色视频下载 Fairbanks are presenting their work alongside thousands of colleagues from around the world at the 2023 American Geophysical Union fall meeting. Some of their discoveries are featured here. You can also find out more about UAF at AGU by searching for #UAFxAGU on social media platforms.
Knowing how a tsunami wave will behave in shallow water is important in determining how far inland water will flow during a tsunami event. Being able to calculate this in real time, after the wave has been generated, is a long-time goal for UAF mathematics and statistics professor Alexei Rybkin.
色视频下载淭sunami inundation waves are governed by extremely complicated equations,色视频下载 Rybkin said, 色视频下载渟olving them requires hours of computations, and tsunami waves travel faster than our computers can process.色视频下载
What is needed is a rapid yet accurate method for doing these calculations. Rybkin and his colleague Efim Pelinovsky, with the Institute of Applied Physics in Russia, have been mentoring students tackling the complex mathematics needed to solve this problem.
They are now approaching the problem in reverse. They use measurements from the shoreline from previous tsunami events to mathematically determine the tsunami色视频下载檚 source, water displacement and other wave characteristics. This information can then be used to more accurately estimate how future tsunami waves will behave.
On Friday, Dec. 15, Oleksandr Bobrovnikov, UAF mathematics graduate student, will present the current phase of the project to tsunami researchers at the American Geophysical Union fall meeting. Fellow UAF graduate student Noah Palmer and students from Northwestern University and the University of San Francisco are co-authors.
色视频下载淚色视频下载檝e found it interesting seeing all of these mathematical connections develop, math that hadn色视频下载檛 yet been systematized,色视频下载 Bobrovnikov said. 色视频下载淚色视频下载檝e enjoyed the pure mathematics of it, but it色视频下载檚 nice that there are applications for it.色视频下载