FN Archimer Export Format PT J TI Oceanic Mesoscale Eddy Depletion Catalyzed by Internal Waves BT AF BARKAN, Roy SRINIVASAN, Kaushik YANG, Luwei MCWILLIAMS, James C. GULA, Jonathan VIC, Clement AS 1:1,2;2:2;3:2;4:2;5:4,5;6:3; FF 1:;2:;3:;4:;5:;6:PDG-ODE-LOPS-OH; C1 Tel Aviv Univ, Porter Sch Environm & Earth Sci, Tel Aviv, Israel. Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA 90095 USA. Univ Bretagne Occidentale, Lab Oceanog Phys & Spatiale, Plouzane, France. Inst Univ France IUF, Paris, France. Univ Bretagne Occidentale, Lab Oceanog Phys & Spatiale, Plouzane, France. C2 UNIV TEL AVIV, ISRAEL UNIV CALIF LOS ANGELES, USA IFREMER, FRANCE INST UNIV FRANCE, FRANCE UBO, FRANCE SI BREST SE PDG-ODE-LOPS-OH UM LOPS IN WOS Ifremer UMR WOS Cotutelle UMR copubli-france copubli-univ-france copubli-int-hors-europe IF 5.576 TC 29 UR https://archimer.ifremer.fr/doc/00730/84221/89141.pdf https://archimer.ifremer.fr/doc/00730/84221/89142.pdf LA English DT Article DE ;oceanic energy transfers;mesoscale eddies;submesoscale fronts;internal waves AB The processes leading to the depletion of oceanic mesoscale kinetic energy (KE) and the energization of near-inertial internal waves are investigated using a suite of realistically forced regional ocean simulations. By carefully modifying the forcing fields we show that solutions where internal waves are forced have similar to 25% less mesoscale KE compared with solutions where they are not. We apply a coarse-graining method to quantify the KE fluxes across time scales and demonstrate that the decrease in mesoscale KE is associated with an internal wave-induced reduction of the inverse energy cascade and an enhancement of the forward energy cascade from sub-to super-inertial frequencies. The integrated KE forward transfer rate in the upper ocean is equivalent to half and a quarter of the regionally averaged near-inertial wind work in winter and summer, respectively, with the strongest fluxes localized at surface submesoscale fronts and filaments. PY 2021 PD SEP SO Geophysical Research Letters SN 0094-8276 PU Amer Geophysical Union VL 48 IS 18 UT 000703685100029 DI 10.1029/2021GL094376 ID 84221 ER EF