Sentences with phrase «concerning average sea levels»

Dr. Robert Dill, who obtained samples at relatively shallow depths (90160 FSW) as Chief Geologist on Cousteau's 1970 expedition to the Blue Hole, had waited 27 years to make this return trip to get additional data to answer questions on the geological record concerning average sea levels.

Not exact matches

(1) there is established scientific concern over warming of the climate system based upon evidence from observations of increases in global average air and ocean temperatures, widespread melting of snow and ice, and rising global average sea level;