why is mapping the ocean floor importantshinedown attention attention

The features mapped on the ocean floor disproved continental drift.

Helping students understand the connections between plate tectonics, ocean floor bathymetry, diversity of life, and adaptations to the environment can help increase their understanding of the interconnectedness of Earth systems. Sign up for The Conversation’s science newsletter.] Download our new app for iPad and iPhone today!We are supported by The National Science Foundation and the U.S. Department of Education. (Source: seabed2030.gebco.net) Announcing a new milestone in the history of marine exploration, an international collaboration of researchers said on June 21 that it had finished mapping nearly one-fifth of the world’s ocean floor.

Climate change has impacted the flow of these currents, and more knowledge about them would help scientists create models forecasting the future behaviour of the climate, including sea-level rise.A map of the entire global ocean floor would also help further achieve the United Nations Sustainable Development Goal to conserve and sustainably use oceans, seas and marine resources.The global initiative is a collaboration between Japan’s non-profit Nippon Foundation and the General Bathymetric Chart of the Oceans (GEBCO). To provide groundtruth values for remotely sensed/satellite data, helping refine new techniques for environmental assessment and prediction. * The moderation of comments is automated and not cleared manually by Copyright © 2020 The Indian Express [P] Ltd. All Rights Reserved Explained: Why scientists want to map the entire ocean floor Updated: June 25, 2020 10:01:38 am WHO renews call for countries to join its COVAX platformHow to enrol in a vaccine trial? According to an expert who spoke to Science Magazine, thanks to the previously mapped seafloor, scientists in Japan were able to reconstruct the forces behind the destructive 2011 Tohoku earthquake.As per a Seabed 2030 document, “The need for a bathymetric base map of the southeastern Indian Ocean also became particularly evident in the search for the Malaysia Airlines flight MH370, which disappeared 8 March 2014.”Importantly, the maps would also ensure a better understanding of climate change, since floor features including canyons and underwater volcanoes influence phenomena such as the vertical mixing of ocean water, and ocean currents — which act as conveyor belts of warm and cold water, thus influencing the weather and climate. The Seabed 2030 Project, however, aims to obtain higher quality information that has a minimum resolution of 100 m at all spots, using equipment such as deepwater hull-mounted sonar systems, and more advanced options such as Underwater Vehicles (AUVs). a. That’s because detailed maps of ocean floors would also be an aid for mining industries that might plunder the depths of the seas for profit, potentially endangering our already fragile marine habitats, according to the BBC.
It is also important to map changes in the composition of the sea floor. Most tsunamis start with earthquakes under or near the ocean floor. The Nippon Foundation-GEBCO Seabed 2030 Project has mapped one-fifth of the world’s ocean floor. [Get our best science, health and technology stories.

Whereas depth can be measured using the timing of the signals going to and from the sea floor, a precise measurement of the “strength” of the sonar return is required to discern texture. Why was the mapping of the ocean floor such an important step in the development of plate tectonic theory? What are the risks involved?India now contributing highest number of Coronavirus cases in the world To locate strategic offshore mineral resources. The biggest difference in the new theory was that EarthOur content on-the-go. Why The First Complete Map of the Ocean Floor Is Stirring Controversial Waters Charting these watery depths could transform oceanography. As per its website, GEBCO is the only intergovernmental organisation with a mandate to map the entire ocean floor, and traces its origins to the GEBCO chart series initiated in 1903 by Prince Albert I of Monaco.The Project was launched at the United Nations Ocean Conference in 2017, and coordinates and oversees the sourcing and compilation of bathymetric data from different parts of the world’s ocean through its five centres into the freely-available GEBCO Grid.In the past, satellites and planes carrying altimeter instruments have been able to provide large swathes of data about the ocean floor. What were they able to show based on magnetic bands?Plate tectonic theory fundamentally altered how geologists view the earth. It also provides key inputs for navigation, forecasting tsunamis, exploration for oil and gas projects, building offshore wind turbines, fishing resources, and for laying cables and pipelines.This data becomes highly valuable during disaster situations.
The seafloor provides habitat for fish, corals and complex communities of microbes, crustaceans and other organisms. Their collaboration included an Indian Ocean map, published by National Geographic in 1967, and a 1977 World Ocean Floor map that is now held at the Library of Congress.

Announcing a new milestone in the history of marine exploration, an international collaboration of researchers said on June 21 that it had finished mapping nearly one-fifth of the world’s ocean floor.The Nippon Foundation-GEBCO Seabed 2030 Project, which is coordinating efforts to complete the mapping of the entire ocean floor by 2030, said on World Hydrography Day (June 21) that it had added 1.45 crore square kilometres of new bathymetric data to its latest grid.Since the launch of the project in 2017, the surveying of the ocean bed as per modern standards has gone up from around 6 per cent to 19 per cent.In a press release, Jamie McMichael-Phillips, Seabed 2030 Project Director, said: “This is a leap forward towards achieving our mission, by the year 2030, to empower the world to make policy decisions, use the ocean sustainability and undertake scientific research based on detailed bathymetric information of the Earth’s seabed.”The knowledge of bathymetry — the measurement of the shape and depth of the ocean floor — is instrumental in understanding several natural phenomena, including ocean circulation, tides, and biological hotspots.

The contraction theory implied that Earth's features formed through the process ofWhat data did Wegener use to prove that the continents had once been joined together?Although Wegener proposed his continental drift theory in 1915, it was not widely accepted until the 1960s.

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