bathymetry

bathymetry by Jblack17 on GoAnimate

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1. Bathymetry: what is it (define the word)? What’s the difference between a bathymetric map and a topographic map? Bathymetric map shows the equal depth and Topographic shows the equal height
2. 1. how did Oceanographers map the ocean floor in the past, and what were the results?past they tied a rope to a rock and threw in the ocean and measure the rope when it hit the bottom.
3. How do oceanographers map the oceans now, and how accurate and effective is this method?Now we use echo sound machines which is limited accurate cause ship movement
4. Why are multibeam echo sounders so effective?They are effective because they correct movements of the boats. An example that made this possible was The Hawaii-Emperor Seamount chain.
5. What’s an example of an underwater discovery that was made possible by multibeam echo sounders?same as 4
6. Why do oceanographers map the oceans below the surface? Why is this important to society? Oceanographers map it so that we can protect marine environments and it is important to society for support safe navigation.