Nyob rau hauv geology, degradation yog hais txog txo qis ntawmib qho chaw fluvial, xws li lub txaj kwj lossis dej nyab, los ntawm cov txheej txheem erosional. Aggradation (los yog alluviation) yog lo lus siv nyob rau hauv geology rau kev nce hauv av nce, feem ntau nyob rau hauv ib tug dej system, vim lub deposition ntawm sediment.
Dab tsi yog aggradation thiab degradation ua ke hu ua?
Fluvial deposition hais txog kev sib tw thiab nws. txuam landforms, fluvial erosion i.e. degradation yog cov. cov txheej txheem yooj yim uas yuav luag lub luag haujlwm rau kev hloov pauv hauv.
Dab tsi yog aggradation degradation?
Aggradation yog hais txog kev nce siab ntawm thaj av feem ntau hauv cov dej ntws vim kev tso cov sediments. Degradation tshwm sim vim erosional kev ua ub no ntawm cua thiab dej. Nws hais txog kev txo qis ntawm qhov av los ntawm cov txheej txheem erosional.
Ib qho piv txwv ntawm kev sib tw yog dab tsi?
Kev sib kis tuaj yeem tshwm sim los ntawm kev hloov pauv huab cua, kev siv av, thiab kev ua geological, xws li hluav taws kub tawg, av qeeg, thiab faulting. Piv txwv li, volcanic eruptions tej zaum yuav ua rau cov dej ntws los nqa cov av ntau tshaj li qhov ntws tuaj yeem thauj tau: qhov no ua rau lub faus ntawm cov qub channel thiab nws qhov dej nyab.
Kev degradation txhais li cas hauv thaj chaw?
Physical Geography. kev hnav hauv av los ntawm dej, cua, lossis dej khov.
