Tag: bottom

Opinion: Marie Tharp Pioneered Mapping the Bottom of the Ocean 6 Decades Ago – Scientists Are Still Learning About Earth’s Last Frontier

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July 28, 2020 By Suzanne OConnell The Conversation
July 30 marks the 100th anniversary of the birth of Marie Tharp, a geologist and oceanographer who created maps that changed the way people imagine two-thirds of the world. Beginning in 1957, Tharp and her research partner, Bruce Heezen, began publishing the first comprehensive maps that showed the main features of the ocean bottom – mountains, valleys and trenches.