Mapping ROV by Lilu Smith https://padlet.com/21smithl3/5kxwx7g84trl3n9b en-us 2020-12-04 18:56:48 UTC 2026-04-16 21:38:15 UTC hello@padlet.com https://www.ecagroup.com/media-picture/3879-3487-1955-eca-group-rov-h800-ps.jpg What is mapping? 21smithl3 https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988836445 AKA seabed imaging, is the measurement of water depth of a given body of water. 
The imaging is referred to as a bathymetric map. This creates 3D representations of the underwater terrain through lines that show the shape and elevation of the land. Similar to how topographic maps are used for above water landscapes. 
Things like hills, canyons, volcanoes etc. can be found underwater on the ocean floor so mapping helps us find where they are and helps us understand the influence it has on the seafloor habitats/ movement of the sea water. 
Photo credit: (National Geographic, 2012)
]]> 2020-12-04 19:00:07 UTC https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988836445 Positives of using ROVs in this field 21lowera https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988880627 They're used in this field because humans can't safely investigate areas of the ocean that deep. 
- Because they can stay underwater longer than a human diver, it gives them more time to explore and collect information
- If the ROV has an arm, it’s able to collect samples of the ground they are mapping, giving researchers more information
- The video camera on the ROV can send videos/ images back to the ship quickly, making things more efficient
Photo credit: (Science Direct, 2018)
]]> 2020-12-04 19:10:28 UTC https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988880627 Example 1: ROV with missions in this field 21lowera https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988881839 Yogi is a well known ROV that's first mission was to map out and collect data on its exploration in Yellowstone lake. This ROV weighed in at 1,100 lbs that included a 5 function manipulator (or grabber) 6 LED Lights, a total of 6 thrusters, multiple different high definition cameras, a temperature sensor probe, and imaging sonar. 
Photo credit: (Todd Gregory, from GFOE. 2016)]]> 2020-12-04 19:10:46 UTC https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988881839 Why using a ROV would be difficult in mapping 21lowera https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988882788 - The tether length, generally 500-1000m long, limits the aerial coverage. 
-Takes a lot of time and money to fully operate the vessel and the ROV
-An ROV in mapping is most effective when used by a stable boat (boats you take far to the sea). ROV might have a hard time mapping in shallow waters. 
Photo Credit: (Royal IHC website)]]> 2020-12-04 19:10:59 UTC https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/988882788 Example 2: ROV with missions in this field 21smithl3 https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/990632741 Another ROV used for mapping is the deep discoverer also known as D2. The deep discoverers mission was to map out and explore Blake Plateau, Blake Ridge, and Blake Escarpment in the Western Atlantic Ocean. The goal for this mission was to allow for a better view of these unexplored areas. This ROV includes 20 LED lights, 2 manipulators, installed sensors that allow you to know the water temperature, current depth, and salinity of water. This Rov is also known for its use of impressive cameras and the fact that it was connected to another ROV called Seirios that was equipped with four different types of cameras, and a 360 degree scanning sonar.  
Photo credit: (NOAA Office of Ocean Exploration and Research, 2019)]]> 2020-12-05 21:13:15 UTC https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/990632741 Other Notable Information 21smithl3 https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/1017244358 ROV Shipwreck video
- The Yogi ROV costed roughly $300,000 to build. 
- Although there are no true limitations on how long an ROV can stay underwater, on average, dive times last around 8 hours.]]> 2020-12-14 18:23:13 UTC https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/1017244358 Reasons why a person wouldn't use a ROV in mapping 21lowera https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/1017407087 -ROVs are slower to perform tasks compared to divers. It can also be more costly rather than hiring a diver.
-ROV contains external thrusters that can interfere with the mapping process and the imaging quality.
-Hard to employ in areas with strong water currents.
Photo Credit: (Blue Robotics Website)]]> 2020-12-14 18:56:02 UTC https://padlet.com/21smithl3/5kxwx7g84trl3n9b/wish/1017407087