Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2011, Vol. 8, No. 4, pp. 256-262
Impact of internal solitons interaction on surface manifestation
of a ship wake
K.D. Sabinin
1, O.Yu. Lavrova
2
1 Space Research Institute of RAS N.N. Andreyev Acoustics Institute, Moscow, Russia Moscow, Russia
2 Space Research Institute of RAS, Moscow, Russia
A unique case of sharp distortion of a narrow slick wake of a moving ship manifested in an Envisat ASAR image obtained over the west Black Sea is discussed. A 2,3-km shift of the wake was observed along a rip band formed by internal solitons. It is suggested that the phenomenon was the result of interaction of two internal solitons that propagated towards each other from opposing directions. Estimates of the internal soliton non-linearity and orbital current velocities are made. The obtained results implicitly prove the suggested hypothesis about the origin of the phenomenon.
Keywords: internal waves, internal solitons, nonlinear interaction, ship wakes, slick, rips, radar satellite observation, ASAR Envisat, the Black Sea
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