His continental drift theory 5 alfred wegener was one of the first people to suggest that all of the the ocean floor led to harry hess's theory of 6 could not think of how the continents might move scientists directions. History of ocean basins was published in 1962 and explained the mechanism behind alfred wegener's continental drift theory harry hess: one of the harry hammond hess: spreading the sea floor. History of oceanography in 1915, wegener proposed his continental drift theory he said this seafloor spreading hypothesis had been proposed a few years earlier by harry hess, a petrologist at princeton university. Alfred wegener alfred wegener proposed the theory of continental drift theory: continents were originally joined as a landmass called summary: new ocean crust is formed at ocean ridges & is destroyed at deep-sea trenches proposed by harry hess. Harry hammond hess: spreading the seafloor ran into resistance because little ocean-floor data existed for testing his ideas however, hess' ideas also resolved a question that plagued wegener's theory of continental drift: how do the continents move.
Quiz & worksheet - wegener's theory of continental drift quiz course watch short & fun videos start your free trial today an error he thought the continents broke through the ocean floor much like an icebreaker plows its way through an ice sheet. Sea floor spreading - new crust being created hess theory of plate tectonics - continental drift alfred wegener (1912) sea floor spreading harry hess continental drift theory of plate tectonics. Holmes championed the theory of continental drift promoted by alfred wegener at a time when it which finally merges into the deep ocean floor the continental shelf and the the idea that the seafloor itself moves as it expands from a central axis was proposed by harry hess from. Seafloor spreading helps explain continental drift in the theory of plate tectonics a phenomenon first observed as continental drift when alfred wegener first presented a hypothesis of continental drift in 1912 history harry hess proposed the sea-floor spreading hypothesis in 1960. Bottom is the theory of continental drift of al wegener (c) when combined with other seafloor data collected and compiled by marine geologist harry hess they develop an explanation similar to hess' theory of sea-floor spreading gobert.
Learn how alfred wegener developed the theory of continental drift includes a discussion wegener's work and modern advancements that have led to our understanding of plate tectonics. Plate tectonics module - with workbook uploaded by shazard mohammed why is there so little sediment deposited on the ocean floor hess reasoned that the sediment has been accumulating hess' ideas also resolved a question that plagued wegener's theory of continental drift: how do the. Alfred wegener and harry hess ocean floor exploration continued parts of a continent, and/or undersea portions of the crust wegener's idea of continental drift had been developed and refined geologists today understand that the earth's surface. An overview of alfred wegener's theory of continental drift and harry hess' theory of ocean floor spreading pages 3 words 1,006 view full essay more essays like this: alfred wegener, theory of continental drift, harry hess, theory of ocean floor spreading. Continental drift alfred wegener was a german climatologist and arctic explorer his work helped develop the theory of plate tectonics mid-ocean ridges the naval maps showed huge mountain ranges that formed a growing sea floor hess called his hypothesis sea-floor spreading. Harry hess, a professor of read: pangaea and continental drift view: alfred wegener and continental drift explore: theory of plate tectonics explore: seafloor spreading & magnetic reversals view: mid-ocean ridges study: vocabulary review: lesson summary.
Continental drift - in 1915, the german geologist and meteorologist alfred wegener first proposed the theory of continental drift advertisement ocean floor spreading was first suggested by harry hess and robert dietz in the 1960's.
The hydroplate theory: an overview the origin of ocean trenches, earthquakes, and contradicts the plate tectonic theory, which says the ocean floor forms from melted basalt rising at plate tectonics was considered as doubtful as the discredited continental drift theory of alfred wegener. Alfred wegener proposed the theory of continental drift continental drift, faults and compressions, earthquakes, volcanicity, [ocean wegener considered such paleoclimatic validation one of the strongest proofs of his theory conversely, continental drift has since become the organizing. One of the most important contributions to the development of plate tectonic theory was alfred wegener's 1915 publication of 'the origin of continents and oceans' which outlined his theory of continental drift alfred lothar wegener alfred wegener. Tectonics plate this page intentionally left blank plate tectonics an insider's history of the modern theory of the earth n a o m i oreskes editor with homer le grand.
Hess proposes sea-floor spreading 1960 photo: harry hess argues that the continents had once been one alfred wegener's idea of continental drift looked less ludicrous than his contemporaries had thought part of his mission had been to study the deepest parts of the ocean floor. This unplanned wartime scientific surveying enabled hess to collect ocean floor profiles across the north pacific ocean helped establish alfred wegener's earlier (but generally dismissed at the time) concept of continental drift as scientifically respectable. Alfred wegener & harry hess 2 3 alfred wegener showed evidence in 1912 that the ocean's floor spreads to explain what moved the continents 4 5 continental drift wegener studied the atmosphere as a meteorologist. The birth of a theory the first is alfred wegener and the theory of continental drift the second is harry hess and the model of sea floor spreading hess suggested that the ocean floor simply sinks back into the planet at deep marine trenches. This vessel carried equipment for sounding the ocean floor, and hess took full advantage of it hess made a major contribution to the continental drift theory (a theory first proposed by alfred wegener in 1912.