Challenge of the Oceans Pt. 1 of 3

Challenge of the Oceans Pt. 1 of 3 National Academy of Sciences Waves breaking, underwater & scientist placing instruments to measure waves. Other scientists at work around world. Titles. 15:02:39 Bow of freighter thru seas in heavy storm seen from bridge of ship. Waves seen alone. 15:03:21 Illustration, etching, painting re sea exploration. Maps. Myths. Monsters of ocean. Large sailing ship. 15:04:18 Oceanographers on board research ship w/ instruments & lab instruments. View out porthole. over waves. Clouds in normal & time-lapse. Melting snow, eroding sand & into ocean showing waves. Sailing ship thru water. Benjamin Franklin chart of “gulf stream”. Animated illustration of patterns of water & wind movement in northern & southern hemispheres. 15:07:34 Scientists at sea measuring currents. Shots of ocean surface, waves only. 15:09:04 Chart showing north Atlantic currents w/ map of gulf stream. showing separate currents. Model of continents rotating & flow patterns tested. Time lapse photography shown of results. 15:10:24 Icebergs & pack ice w/ ship thru. Man submerging Nanson Bottles. String of bottles raised which have measured temperatures at various depths. Testing water for salt content. Profile of movement of water masses. Continued... Research; Oceanography; Educational Film; Climate Change; Ecology;