FN Archimer Export Format
PT J
TI A simplified wave enhancement criterion for moving extreme events
BT 
AF KUDRYAVTSEV, Vladimir
   GOLUBKIN, Pavel
   CHAPRON, Bertrand
AS 1:1,2;2:1;3:1,3;
FF 1:;2:;3:PDG-ODE-LOPS-SIAM;
C1 Russian State Hydrometeorol Univ, Satellite Oceanog Lab, St Petersburg, Russia.
   Inst Marine Hydrophys, Remote Sensing Dept, Sebastopol, Russia.
   IFREMER, Lab Oceanog Spatiale, Brest, France.
C2 UNIV RUSSIAN STATE HYDROMETEOROL, RUSSIA
   INST MARINE HYDROPHYS, RUSSIA
   IFREMER, FRANCE
SI BREST
SE PDG-ODE-LOPS-SIAM
UM LOPS
IN WOS Ifremer jusqu'en 2018
   copubli-int-hors-europe
IF 3.318
TC 37
UR https://archimer.ifremer.fr/doc/00295/40644/39603.pdf
LA English
DT Article
AB An analytical model is derived to efficiently describe the wave energy distribution along the main transects of a moving extreme weather event. The model essentially builds on a generalization of the self-similar wave growth model and the assumption of a strongly dominant single spectral mode in a given quadrant of the storm. The criterion to anticipate wave enhancement with the generation of trapped abnormal waves defined as inline image, with inline image, inline image, and inline image, radial distance, average sustained wind speed, and translation velocity, respectively. Constants inline image and inline image follow the fetch-law definitions. If forced during a sufficient time scale interval, also defined from this generalized self-similar wave growth model, waves can be trapped and large amplification of the wave energy will occur in the front-right storm quadrant. Remarkably, the group velocity and corresponding wavelength of outrunning wave systems will become wind speed independent and solely related to the translating velocity. The resulting significant wave height also only weakly depends on wind speed, and more strongly on the translation velocity. Compared to altimeter satellite measurements, the proposed analytical solutions for the wave energy distribution demonstrate convincing agreement. As analytically developed, the wave enhancement criterion can provide a rapid evaluation to document the general characteristics of each storm, especially the expected wavefield asymmetry.
PY 2015
PD NOV
SO Journal Of Geophysical Research-oceans
SN 0148-0227
PU Amer Geophysical Union
VL 120
IS 11
UT 000367686500025
BP 7538
EP 7558
DI 10.1002/2015JC011284
ID 40644
ER

EF