31.   Instead, EPA assumes that global warming will cause sea level rise mainly from the expansion of ocean water as it warms.

32.   In the wake of strong cold fronts from the Pacific, arriving surface air is mild, having been tempered by tepid ocean waters.

33.   In the western Pacific, where the warmest ocean water in the world is found, the season for tropical storms never ends.

34.   It is the return of El Nino, the marked warming of ocean surface waters in the eastern tropical Pacific that appears every three to seven years.

35.   Its waters heat quickly and stagnate easily, primarily because replenishing ocean waters can enter only through two narrow inlets on its eastern edge.

36.   Large fish, such as swordfish and bluefin tuna, are attracted to fronts where cold and warm ocean waters meet.

37.   Like its sister Pathfinder-class ships, the Heezen is a multimission vessel capable of surveying both coastal and deep ocean waters.

38.   Madin said the researchers cannot rule out the possibility that purely natural forces, such as winter northeasters, are responsible for sweeping the hydroids into the ocean waters.

39.   Moreover, the salinity of ocean surface water was low, showing that the water was mixed with an unusually large proportion of fresh water from melting ice.

40.   Most die at sea as they move over colder ocean waters, but there are destructive exceptions when storms occasionally curve back toward Mexico.