Dab tsi ua rau pob zeb ntog?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Tectonic kev nyuaj siab thiab yaig ua rau granite pob zeb rau tawg. Rockfalls tom qab tshwm sim raws cov pob txha no. Huab cua loosens bonds uas tuav pob zeb nyob rau hauv qhov chaw. Kev ua kom cov txheej txheem xws li dej, dej khov, av qeeg, thiab cov nroj tsuag loj hlob yog ib qho ntawm cov rog kawg uas ua rau tsis ruaj khov pob zeb poob.

Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog vim li cas ntawm rockfall?

Ua rau cov xwm txheej rockfall muaj xws li

• Mechanical weathering, xws li freeze/thaw cycles, where Ice force rocks apart and then melts, plant growth in rocks, or windstorms.
• Chemical weathering, qhov twg dej reacts nrog pob zeb thiab hloov lawv muaj pes tsawg leeg rau eroded minerals yooj yim dua.

Tsis tas li ntawd, yuav tiv thaiv pob zeb ntog li cas? Zam kev Rockfalls Thiab Pob zeb Avalanches Avoidance cov tswv yim suav nrog kev tsim cov tunnels, kho dua tshiab los yog hloov txoj kev, thiab txhim kho cov txheej txheem siab tshaj qhov txaus ntshai. Thaum cov txheej txheem no yog cov kev tiv thaiv tshaj plaws, lawv dais tus nqi siab tshaj plaws rau kev txhim kho, nrog rau cov nqi tu tsis tu ncua.

Tsis tas li ntawd, qhov twg pob zeb ntog yuav tshwm sim?

Rockfalls tshwm sim qhov twg qhov chaw ntawm pob zeb muaj nyob saum ib txoj kab nqes siab txaus kom cia ceev downslope txav ntawm dislodged pob zeb los ntawm ntog, dov, bouncing, thiab zawv zawg. Rockfall qhov chaw muaj xws li bedrock outcrops los yog pob zeb nyob rau hauv toj siab toj siab los yog nyob ze ntawm cov npoo ntawm escarpments xws li pob tsuas, bluffs, thiab terraces.

Nws hu li cas thaum pob zeb ntog saum roob?

"Ib pob zeb ntog yog ib feem ntawm pob zeb (ib qho thaiv) cais los ntawm zawv zawg, tsoo, lossis poob , uas ntog raws li ib tug ntsug los yog sub-ntug pob tsuas, ua tiav nqes txoj kab nqes los ntawm bouncing thiab ya raws ballistic trajectories los yog dov ntawm talus los yog khib nyiab slopes."