before_sent:  The study of these currents, combined with other factors such as tides (producing a change in sea level) and wind (originally swell) for understanding the marine hydrodynamics and different processes which are linked there as sediment movement and the climate balance.
before_sent_with_intent: <clarity>  The study of these currents, combined with other factors such as tides (producing a change in sea level) and wind (originally swell) for understanding the marine hydrodynamics and different processes which are linked there as sediment movement and the climate balance.
after_sent:  The study of currents, combined with other factors such as tides (producing a change in sea level) and wind (originally swell) for understanding the marine hydrodynamics and different processes which are linked there as sediment movement and the climate balance.