... witnessescold, salty water sinking in the north Atlantic and in Antarctica’s Weddell Sea,flowing darkly through the ocean depths, and surfacing again in the NorthPacific; a journey lasting approximately ... assessment and bioremediation methods is reviewed and a number of specific case studiesinvolving such problems as persistent organic pollutants and the use ofanti-fouling paints containing organotin ... (i) the wind-induced flow and (ii) alarger-scale, deeper-reaching thermohaline circulation, the latter set up bychanges in temperature and salinity, and hence density, on both global and regional...