Yuav ua li cas yog weathering? hom weathering

Ib qho ntawm feem ntau cov teeb meem nyob rau hauv lub txij nkawm ntawm ua liaj ua teb av yog av yaig. Nws tshwm sim nyob rau hauv qhuav tej thaj chaw nyob rau hauv qhib lub teb chaws. Feem ntau cov feem ntau, qhov no los tau nyob rau hauv tej yam ntuj tso weathering, uas yog tawm tsam nyob rau hauv ntau txoj kev, raws li ib tug txoj cai, raws li nyob rau hauv cov kev cai ntawm hydraulic ciaj ciam ntawm daim av cover. Tab sis muaj yog ib tug dav heev kev nkag siab ntawm lub weathering uas muaj feem xyuam rau tsis tsuas cov av, tab sis kuj pob zeb. Nyob rau hauv cov ntaub ntawv no nws yog tsim nyog los mus nce cov nqe lus nug ntawm yog dab tsi lub weathering ntawm minerals? Qhov no kuj yog ib tug natural txheej txheem ntawm kev puas tsuaj, uas, li cas los xij, tej zaum yuav tshwm sim tsis tau tsuas yog vim hais tias ntawm cov huab aridity.

General ntaub ntawv hais txog lub weathering

Hais txog cov txheej txheem nyob rau hauv weathering lwm yam nyob rau hauv lub pob zeb uas tus puas tsuaj los yog decomposition ntawm nws cov khoom hauv paus. Yam yuav ua tau rau xws phenomena yuav muaj ntau cim - los ntawm dej rau atmospheric tshuaj tshua. Nyob rau hauv feem ntau tus neeg mob, cov zaub mov ua plurality ntawm txawv yam, nws thiaj li ua rau lub havzoov ntawm lub pob zeb. Thiab nyob rau hauv lo lus nug li cas lub weathering, peb yuav tsis vam khom rau tus classical kev nkag siab ntawm cov kev ua ub ncaj qha poob los yog lwm yam exogenous yam. Txawm li ib txwm tshuaj thiab lub cev dab tsis siab muaj kev cuam tshuam lub fullness ntawm no phenomenon. Piv txwv li, kev puas tsuaj yuav koom thiab cov tshuaj tiv thaiv cov roj ua ub no. Nyob rau hauv kev, carbon dioxide thiab oxygen muab ib tug active biochemical nyhuv. Ib qho ntxiv uas yog hais tias lub preconditions rau lawv tej zaum yuav txuas mus rau cov kev tshwm sim ntawm kev ua pej xeem - piv txwv li, nyob rau hauv lub ntsiab lus ntawm cov tib ua liaj ua teb.

hom weathering

Feem ntau paim tshuaj thiab lub cev weathering dab, uas yog feem ntau ua ke thiab Nkij los txuam rau txhua lwm yam. Yog hais tias lawv siv tej zaum yuav txawv nyob ntawm seb ib puag ncig tej yam kev mob. Tab sis kuj nyob rau hauv ib co thaj tsam ntawm lub dab ntawm as thiab hluav taws xob kis yog hom. Ntxiv mus, precisely xws phenomena yog feem ntau tshaj plaws cov lus hais kev puas tsuaj. Tshuaj thiab lub cev dab Tseem muaj ntau tshaj ntuj thiab muaj peev xwm yuav hais tau kom tshwm sim rau ib tug continual hauv paus, tab sis, nrog zaubmov cawv rau cov qauv ntawm cov natural cov ntaub ntawv. Biogenic weathering hom kuj yuav tsim nyog tau kev twb khaus tshuaj decomposition.

Cov kev ua ntawm ib tug muab tau weathering nyob tsis tau tsuas yog los ntawm sab nraud influences tab sis kuj nyob rau hauv cov yam ntxwv ntawm lub pob zeb. Feem ntau cov feem ntau, cov kws txawj xav txog cov totality ntawm phenomena. Yog li, raws li cov thawj yam tseem ceeb uas txiav txim no los yog lwm weathering dab, cais kev nyab xeeb, topography nta, tectonic yam ntxwv, muaj pes tsawg leeg thiab qauv ntawm lub pob zeb.

txheej txheem weathering

Ntawm cov ntsiab ua rau qhov no zoo ntawm weathering kws txawj hu rau tus ntse thiab kev kub kev hloov. Yog hais tias nruab hnub mineral nto heats thiab nthuav, hmo amid txias txheej txheem yog ntxeev qauv kev txo. Raws li ib tug tshwm sim, cracking tshwm sim thiab crushing pob zeb mus rau hauv me hais. Qhov no zoo ntawm deformation, uas, dua, mus tas li, tab sis yog unobtrusive. Tshwj xeeb tshaj yog cov lus hais rau lub cev weathering nyob rau hauv txias regions, qhov twg feem ntau muaj frosts. Lub fact tias cov qauv ntawm cov mineral adhering dej thaum lub sij hawm xws sij hawm solidifies thiab crystallizes, uas tsub kom nro thiab lawm ua rau ib tug ntau khaus cracking. Pab rau tug kev ua si thiab kev co embossed cover, uas feem ntau tshwm sim nyob rau hauv tsis ruaj tsis khov nyob rau hauv cov nqe lus ntawm tectonic cov cheeb tsam ntawm lub ntaus ntawv.

Cov tshuaj weathering

Tshwm sim ntawm no xwm tej zaum kuj yuav txuam nrog ib tug loj pawg ntawm yam uas tsis yog ib txwm conducive mus rau nws puas tsuaj. Nyob ntawm seb cov tshuaj tshua rau lub pob zeb qauv yuav tsum tau cai thiab deformation dab thiab tsim tshiab minerals. Nyob rau hauv ob qho tib si zaum nws yuav yog ib lub zoo kev hloov nyob rau hauv muaj pes tsawg leeg thiab qauv ntawm cov kwv. Nyob rau hauv lub tam sim ntawd yam uas qhib tshuaj weathering, muab tawm dej, pa thiab cov pa roj carbon dioxide. Piv txwv li, dej cov kev pab lawm nyiam tej yam ntawm pob zeb kuab. Cov kev siv ntawm lub sis ntawm dej thiab mineral nyob ntawm cov tshuaj muaj pes tsawg leeg ntawm cov kua. Nyob rau tib lub sij hawm, thiab cov tshuaj tiv thaiv nws tus kheej tej zaum yuav txawv. Yog li, igneous pob zeb minerals dej muaj feem xyuam rau cov tshuaj tiv thaiv los ntawm hydrolysis. Nws tshwm sim muaj peev xwm yuav hloov ntawm alkali ntsiab rau hydrogen ions.

Biogenic los yog organic weathering

Raws li twb tau sau tseg, tsis muaj tsawg feem nyob rau hauv cov zaub mov yuav muab thiab lom yam. Cov muaj xws li cov kev ua si ntawm cov nroj tsuag, me me nas thiab tshwj xeeb tshaj yog microbial fungi thiab cov kab mob. Ua ke, tej yam zoo tej zaum yuav muab ib tug ntau loj cuam tshuam txoj kev tshaj lub cev los yog tshuaj yam. Tab sis nws kuj nyob ntawm qhov kev mob ntawm lub cheeb tsam nyob rau hauv uas dag lub pob zeb. Yuav ua li cas yog qhov ntawm biogenic weathering nyob rau hauv kev xyaum? Nws tej zaum yuav, piv txwv li, cov kev ua uas muaj sia nyob, nyob rau hauv crushing lub mineral av txheej. Yog li ua hauj lwm rau hauv lub hauv paus system ntawm cov ntoo. Ib txhia hom ntxhuab tau ua raws li ib qhov chaw ntawm cov tshuaj cov tshuaj tiv thaiv tso acid, uas tom qab yog decomposed neeg lub Cheebtsam tsuas conglomerate.

Nta ntawm hluav taws xob weathering

Ib tug ntawm cov feem ntau txaus ntshai yog tus txheej txheem ntawm hluav taws xob kis. Nws yog yus muaj los ntawm siab siv thiab ntev, thiab kom nws tsis yooj yim sua nyob rau hauv feem ntau. Tiam sis ntawm no nws yog los muab tej yam ntuj tso tshav ntuj, uas yog ib feem ntawm ib pab pawg neeg ntawm hluav taws xob yam, thiab technogenic dab. Nyob rau hauv lub thib ob cov ntaub ntawv, lub weathering ntawm pob zeb yog lub txiaj ntsim ntawm tib neeg kev ua si. Ib tug classic piv txwv yog lub chaw ua hauj lwm ntawm polygons uas cia toxicologically tej pov tseg. Raws li, qhov tom ntej arrays nrog pob zeb thiab yuav raug puas tsuaj, thiab ib tug active tau decomposition.

Yuav ua li cas yog weathering ua kiav txhab

Peb yuav to taub thiab nrog qhov teeb meem. weathering dab yuav tshwm sim tsis tu ncua los yog sij hawm. Tab sis nyob rau hauv ob qho tib si zaum, qhov kev nto rau uas muaj tej yam zoo yam tseem ceeb ntawm deformation, acquires ib tug yam ntxwv zoo li. Qhov no yuav tsum yog tus weathering ua kiav txhab, uas yog yus muaj los ntawm looseness thiab ib tug ntshiv tshuaj nyob tus yeees.

Feem ntau, lub sab sauv khaubncaws sab nraud povtseg xws khaubncaws sab nraud povtseg tsawg decomposed thiab distinguished los ntawm lub xub ntiag ntawm lub hlau Cheebtsam. Nws yuav ua tau, piv txwv li, hydroxides ntawm silicon los sis txhuas. Cov nram qab no tsam nyob qhov twg cov hlau hydroxides yog tam sim no, tus tsim ntawm cov uas raug tshoov tshuaj weathering muaj tsawg siv. Nyob rau hauv qis khaubncaws sab nraud povtseg ntawm cov cortex feem ntau pw limestone thiab gypsum concretions.

weathering khoom

Feem ntau thaum lub sij hawm weathering pob zeb tawg tsam nyob twj ywm, hais ntawm cov xuab zeb, rubble, av nplaum thiab kaolin fractions. Thaum zoo li no yog kaw ntawm lub pob zeb hais tej zaum yuav muaj ntau ntau thiab tsawg thiab rho - nws yog nyob ntawm cov kev mob thiab weathering yam. Nyob rau hauv tej zaum nws yog tau thiab tsim Kuruma. Qhov no loj heev nais thiab boulders svezheoblomannyh tsim los ntawm cov saum toj no-hais fractions. Standard ntau thiab tsawg pab los ntawm Kurume 1 mus rau 2 meters, txawm hais tias muaj tej lub sij hawm uas mus ntau tshaj ntawd. Feem ntau cov feem ntau, tus tsim ntawm xws blocks muab lub cev weathering, uas yuav ua raug nyob rau hauv cov creation ntawm cov pob zeb thiab plhaub nrog kurumovym flooring.

xaus

Weathering tshwm sim tsis tau tsuas yog nrog cov zaubmov ntawm siv, tab sis kuj sib txawv theem ntawm kev siv. Qhov yooj yim piv txwv yuav tau lub cev txheej txheem ntawm kev puas tsuaj vim kub los. Tsis tas li ntawd, nws yuav tsum tau txuas thiab ib tug tshuaj cov tshuaj tiv thaiv nyob rau hauv uas ib tug kua nrog active hais yuav tsum muab kev koom tes. Tam sim no nws yog tsim nyog los tig mus rau rau lo lus nug ntawm yog dab tsi rau qhov xwm ntawm cov organic weathering. Tej no biodegradation txheej txheem, uas muaj peev xwm lawm ua rau cov tsim ntawm tshiab thiab pob zeb. Raws li, weathering yuav tsis muab suav hais tias tsuas yog raws li kev puas tsuaj ntawm uas twb muaj lawm mineral. Txawm yog hais tias tus deformation tiav nyob rau theem ntawm lub cev sib cais ntawm ib tug khoom particle, qhov kev hloov no tej zaum yuav pab mus rau tsim ntawm tshiab zaub mov los yog conglomerates uas paub meej tias nws lub neej kurums.