What Percent of Ocean Has Been Explored
We have better maps of Mars. The ocean covers about 70 percent of Earths surface. Exploring The Ocean Why Is The Ocean Difficult To Study 1 It Is Deep 3 8 Km That S Twice As Deep As The Grand Canyon 2 It Is Da Ocean Explore True Stories In fact in only two parts of the world has the variation of ocean temperature over time been measured below depths of 1000-2000 meters 3281-6562 feet. . One of the biggest challenges of ocean exploration comes down to physics. The rest remains mostly undiscovered and unseen by humans. Radar doesnt penetrate well through water so maps must be compiled by ships with multibeam sonar. It is said that humans have managed to explore only about 5 of the ocean floor. According to the National Ocean Service its a shockingly small percentage. Less than 20 has been mapped at a resolution finer than 100 meters still pretty coarse but there are vast areas of ocean that have less than one depth sounding ...


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