chapter 23 the ocean floor 3 ways to study the ocean floor……. echo sounding sediment sampling...
TRANSCRIPT
![Page 1: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/1.jpg)
Chapter 23The Ocean Floor
• 3 ways to study the ocean floor…….
• Echo sounding• Sediment
sampling• Satellite
observations
![Page 2: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/2.jpg)
• Echo Sounding • SONAR• Sound signal is
sent to the ocean floor and the time it takes to reach the ocean floor and return determines the depth
![Page 3: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/3.jpg)
• Sediment Sampling…Core Sampling
• Long, hollow cylindrical instrument removes a long core of sediments from the ocean floor
![Page 4: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/4.jpg)
• Satellites • Provides the greatest amount of speed and information for creating ocean floor maps
![Page 5: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/5.jpg)
23.2 - The Continental Margin
• Continental Margin
• Underwater part of the continental crust
![Page 6: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/6.jpg)
• Parts of the continental Margin
• Shelf• Slope • Rise
![Page 7: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/7.jpg)
• Parts of the continental Margin
• A plate boundary ……like a subduction zone
• Not on a plate boundary
![Page 8: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/8.jpg)
23.3 - The Ocean Basin
• Abyssal Plains• Abyssal Hills• Deep Sea
Trenches• Mid-Ocean Ridges• Deep Ocean Vents• Corals And Atolls• Seamounts &
Guyots
![Page 9: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/9.jpg)
23.4 – Ocean Floor Sediments
• Terrigenous
• Biogenous
• Hydrogenous
• Sediments from the rocks on land
• Sediments from once living things
• Crystals formed in the water that settle on the sea floor
![Page 10: Chapter 23 The Ocean Floor 3 ways to study the ocean floor……. Echo sounding Sediment sampling Satellite observations](https://reader035.vdocuments.mx/reader035/viewer/2022062301/5697bfd61a28abf838cae12e/html5/thumbnails/10.jpg)