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Knowledge on Debris Flow |
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by Swesha Dhamala | 30-03-2020 00:25
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A form of rapid mass movement involving loose soil, rocks, and organic materials along with entrained air and water to form a slurry is called debris flow. In other words, debris flow are fast moving landslide and particularly dangerous to life and property because they move quickly, destroy objects in their paths and often strike without warning. The consistency of debris flow ranges from watery mud to thick rocky mud. Causes of debris flow: The debris flow generally occurs during the periods of intense rainfall or rapid snowmelt. Debris flows can also occur in the regions caught by wildfires and during the time of volcanic eruption. In general, following condition are important for debris flow to occur - Steep slopes - Loose soil and rock material - Clay minerals - Saturated soils - Run off of sufficiently intensity and duration to initiate slope movements. To predict the debris flow, it is essential to determine the rainfall thresholds for debris flow initiation. The combined study of land condition and susceptible stress causing originally loosened molten mass to overflow may help in waring in advance for upcoming hazard. However, it is hard to forecast a debris flow. In areas with vulnerable populations the techniques such as production of hazards maps, installment of hazard detection and warning systems are very appropriate way to treat with debris flows. Picture derived from AGU Blogosphere |
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20 Comments
thank you for the info
Posted 18-08-2020 18:42
That's a nice report thank you so much for sharing.
Posted 12-04-2020 20:16
Nice and felt informative while going through your report.
Posted 31-03-2020 00:49
Greetings
I do hope everything is going well...
Thank you so much for sharing your report on Debris Flow...
It was great to go through your report ..
Wonderful!!
Green cheers
Regards
Jasmine karki
Posted 30-03-2020 17:29
Hello Swesha!!
Nice report!!
Keep on sharing!!
GREEN CHEERS!!
Posted 30-03-2020 16:34
Thank you Susma.
Posted 30-03-2020 14:50
Thank you rachu.
Posted 30-03-2020 14:50
Thank you Rijana.
Posted 30-03-2020 14:49
Awesome ,keep shining
Posted 30-03-2020 13:29
its an awesome report
Posted 30-03-2020 12:17
Thank you for your report @Swesha
Posted 30-03-2020 09:56
Thank you for the report.
Posted 30-03-2020 01:41
Thank you ramesh.
Posted 30-03-2020 00:33
Thank you ganga.
Posted 30-03-2020 00:33
Great report, keep writing!!
Posted 30-03-2020 00:33
Keep writing report.
Thanks for report
Posted 30-03-2020 00:31
Thank you Soyam.
Posted 30-03-2020 00:31
Thank you Apsara.
Posted 30-03-2020 00:31
Hello Swesha!!
Rapid movement of soil, water along with rocks is debris.
It is necessary to determine rainfall threshold for debris flow inititaion, to predict the debris flow.
Keep writing.
Yours,
Soyam
GREEN CHEERS
Posted 30-03-2020 00:30
Great report, keep writing!!
Posted 30-03-2020 00:29