1 / 26

Stream Drainage Patterns

Stream Drainage Patterns. Start by reading the first page of the notes!. THE BEDROCK OF IN AN AREA WILL CAUSE STREAMS TO DRAIN IN A PATTERN. THAT CAN BE SEEN FROM OVER-HEAD (airplane). THESE ARE CALLED. DRAINAGE PATTERNS. Mississippi River Delta. C.

livia
Download Presentation

Stream Drainage Patterns

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Stream Drainage Patterns

  2. Start by reading the first page of the notes!

  3. THE BEDROCK OF IN AN AREA WILL CAUSE STREAMS TO DRAIN IN A PATTERN

  4. THAT CAN BE SEEN FROM • OVER-HEAD (airplane). • THESE ARE CALLED DRAINAGE PATTERNS

  5. Mississippi River Delta

  6. C.

  7. Match the geologic structures belowTo the drainage patterns they would create.

  8. THISOCCURSWHEN: Rock resistance is all similar

  9. Like the veins in a leaf • Horizontal rock layers • Most common

  10. WATER FLOWS DOWN HILL FOLLOWING THE PATH OF LEAST RESISTANCE

  11. THIS OCCURS IN THE AREA OF A STRUCTURAL DOME with rock layers of variable resistance surrounding the center of the dome C. WATER FLOWS IN THE PATH OF LEAST RESISTANCE

  12. FOLLOWING THE PATH OF LEAST RESISTANCE

  13. STAGES IN LANDSCAPE DEVELOPMENT: • THE MATURITY OF A LANDSCAPE DEPENDS UPON THE PORTION OF THE LAND THAT HAS BEEN WORN DOWN TO OR NEAR • BASE LEVEL (NOT SEA LEVEL)

  14. THE 3 STAGES OF LANDSCAPE MATURITY:

  15. YOUNG • 1.MUCH OF THE LAND AT HIGH ELEVATIONS • 2. STEEP HILL SLOPES • 3. FAST STREAMS • 4. DEEP V-SHAPED VALLEYS

  16. MATURE • 1. ROUNDED HILL SLOPES (IF MOIST CLIMATE) • 2. STREAM VALLEYS ARE BROAD • 3. STREAMS BEGIN TO MEANDER

  17. OLD • 1. MOSTLY ERODED TO BASE LEVEL • 2. STREAMS HAVE LOW SLOPE (GRADIENT) • 3. STREAMS MOVE SLOW & MEANDER • 4. FERTILE AND THICK SOIL HORIZON A

  18. UPLIFT CAN CAUSE OLD LANDSCAPES TO BEREJUVINATED BACK TOYOUNG AGAIN

  19. ENVIRONMENTAL PLANNING AND CONSERVATION CAN HELP TO PRESERVE OUR • SOIL,WATER,AND AIR

  20. Notice how the rock types weather differently Differences in rock resistance creates varied and interesting landscapes. shale Which rock is least resistant?

  21. THE INFLUENCE OF CLIMATE ON LANDSCAPE: gentle steep Fertile Thick A layer rocky Chemical due to Increased amount Of moisture Physical due to abrasion

More Related