This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why are washes prone to flash floods? ... (Read 71 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
on: Aug 7, 2018
Why are washes prone to flash floods?

Question 2

How do sand dunes migrate?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

matt

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 7, 2018
Answer to Question 1

Desert slopes are largely unprotected by vegetation, and thin soils limit infiltration rates. While annual rainfall in deserts is low, individual rain events can produce large amounts of runoff that gets rapidly funneled into washes.

Answer to Question 2

Active dunes travel, or migrate, when wind-eroded sand from their upwind (windward) slope moves by saltation and surface creep over the dune crest and onto the steep leeward (downwind) slope, which is the slip face.


ghost!

  • Member
  • Posts: 560
Reply 2 on: Aug 7, 2018
Thanks for the timely response, appreciate it

billybob123

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Pronation and Supination Pronation–Lying prone (face downward); also turning the palm downward. Supi Pronation and Supination Pronation–Lying prone (face downward); also turning the palm downward. Supi
Lie prone with your head turned to one side. Put your arms out to your sides and bend your elbows at ... Lie prone with your head turned to one side. Put your arms out to your sides and bend your elbows at ...
To retrieve flash codes from an OBD-I General Motors vehicle, connect terminals A and B with the ... To retrieve flash codes from an OBD-I General Motors vehicle, connect terminals A and B with the ...
Floods Floods
Creating a tent for turning from prone to supine or vice versa. Pin one side of the sheet against ... Creating a tent for turning from prone to supine or vice versa. Pin one side of the sheet against ...
Wagging the leg with recipient prone. Wagging the leg with recipient prone.
Video: Glucagon (glycogenolysis and gluconeogenesis)

For a complete list of videos, visit our video library