https://padlet.com/jessuprk24/x3g2jdx2s1u50fre en-us 2023-10-03 15:35:49 UTC 2023-10-11 21:44:16 UTC hello@padlet.com jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730497036 The Challenger expedition of 1872–1876 was a scientific programme that made many discoveries to lay the foundation of oceanography. The expedition was named after the naval vessel that undertook the trip, HMS Challenger. ]]> 2023-10-03 15:42:46 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730497036 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730506148 Chinese navigators would make charts of the ocean and sell them around.]]> 2023-10-03 15:47:58 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730506148 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730521017 Used to measure longitude and was first proposed by Dutch Scientist Gemma Frisius in 1530. ]]> 2023-10-03 15:56:18 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730521017 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730531558 An Italian navigator who made four Spanish based voyages to the Americas, sponsored by catholic monarchs and being widely known for starting the exploration craze in Europe]]> 2023-10-03 16:02:27 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730531558 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730537949 Compasses were first made out of magnetized iron nails that had been struck by lodestones in the Han Dynasty.]]> 2023-10-03 16:06:03 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730537949 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730544729 James Cook, a British explorer, cartographer and naval officer, was most famous for his three voyages in which he was the first documented person to come into contact with the shores of Hawaii and Australia.]]> 2023-10-03 16:10:05 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730544729 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730557144 Invented by the German inventor Alexander Behm and given Patent in 1913. Echo sounding is a form of measuring depth in the ocean by reflecting sound waves off the bottom of the ocean floor.]]> 2023-10-03 16:17:35 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730557144 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730564152 The Prince was responsible for the discovery of a lot of exploration across western Africa and most waters]]> 2023-10-03 16:22:04 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2730564152 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2734133366 The first ever river maps made were made of the Nile to help with trade]]> 2023-10-05 15:13:39 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2734133366 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2734238274 A huge oil spill off the coast of California caused by a blow-out, meaning the pressure controls failed and caused a spout of oil to spill everywhere.]]> 2023-10-05 16:19:14 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2734238274 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742091521 Ronald discovered the south pole at 1911]]> 2023-10-11 16:04:23 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742091521 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742494808 Tanya Atwater led the first all-woman oceanographic expedition. Until that time, gender policies restricted women oceanographers from participating in voyages to a significant extent]]> 2023-10-11 21:29:32 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742494808 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742498634 The USS Nautilus was built, the first ever nuclear submarine.]]> 2023-10-11 21:35:17 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742498634 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742500452 In 1923, the U.S. Coast and Geodetic Survey (C&GS, formerly the Coast Survey) Ship Guide was equipped with a Hayes echo sounder and proceeded to the North Pacific Ocean via the Panama Canal and the west coast of Mexico.]]> 2023-10-11 21:38:12 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742500452 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742501850 April 15, the White Star Liner Titanic sinks with horrendous loss of life after striking an iceberg in the North Atlantic Ocean. This leads to a concerted effort to devise an acoustic means of discovering objects in the water forward of the bow of a moving vessel.

]]> 2023-10-11 21:40:25 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742501850 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742503245 On April 27, Reginald Fessenden, of Submarine Signal Corporation, sails on the U.S. Coast Guard Cutter Miami. He uses a Fessenden Oscillator to reflect a signal off an iceberg and simultaneously reflect an acoustic signal off the sea bottom. This test marks the beginning of the acoustic exploration of the sea.]]> 2023-10-11 21:42:37 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742503245 jessuprk24 https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742504135 World War I accelerates oceanic acoustic research as both the U.S. Navy and the Army Coast Artillery develop research programs to devise means to detect enemy submarines.]]> 2023-10-11 21:44:10 UTC https://padlet.com/jessuprk24/x3g2jdx2s1u50fre/wish/2742504135