River Delta - chaiyo mararamiro

Vazhinji vanhu, chii Delta murwizi, asi kwete vose, funga nezvebasa kuti anotamba muupenyu kwemarudzi ose kasvisto uye miti nemhuka zvakazonaka. Chii chinombodiwa rinomiririrei? River Delta - chakaumbwa sediments rwizi pamapani iri kwayo dzakaderera rinosvika. Kakawanda zviri zvakasimba zvinopfuura richikurukura ducts uye hoses. neyamapani ichi akasika rinokosha mararamiro. Delta inowana zita rayo kubva imwe tsamba wechiGiriki arufabheti, izvo wawo uri zvakasimba nowenyika yekare mativi Delta murwizi.

Mukuita refu kudyidzana pakati rwizi aibuda, gungwa kana Oceanic vachivavhiringidza, mhepo-RINOFAMBIRA dzenzvimbo, Maze, uye emadhaka mutoro murwizi nomumwe anoumba dzakasiyana Delta, izvo zvinogona kutora zana uye mamwe zviuru makiromita dzakaenzana. In Ganges zvinotora ba anenge 106 zviuru. M. km ukuwo Amazon - 100 zviuru mativi makiromita.

Delta angatanga mazana makiromita kubva mumuromo mayo. Delta akaisa mberi dzimwe nzizi mugungwa kana gungwa, nepo vamwe - kwete. Nokupesvedzera naTidhari nzizi dzakadai Amazon, Amur, ari Ob, Taz, Puri vari Delta, kwete kudarika kwavo chizvarwa Mahombekombe.

Kana mvura murwizi ane substantially yakafanana arambe achirema kubva yomugungwa, Delta anotora munhu tapered chimiro (semuenzaniso, Neil). Kana rwizi mvura nezvi- kunonaya, zvinova denser pane gungwa, saka pasi pokudzora ayo Delta anowana chinhu elongated chimiro. Yakaderera arambe achirema mvura rwizi deltas vari akaumbwa vakawanda hoses uye ducts (p. Mississippi).

Most enzizi venyika vane Delta pamwe dzakabudirira alluvial (alluvial) mabasa. Ndivo Volga, Lena, Terek, Severnaya Dvina, Kuban uye Neva. Southern nzizi dzakawanda dzine "zvakanaka" dzomutambo zvinomera nemhuka zvakasiyana-siyana. Vane zvinokosha Fisheries. Zvinomera rinomiririrwa miti siyana, netsanga bulrush, makwenzi uye nemiti. Vanoda kugara shiri uye siyana mhando dzemhuka.

Hunokosha kukosha hwevhu uye mwando iri murwizi Delta. Munyika dzakawanda munyika pavari vanokura mugove chinokosha zvirimwa zvokurima. Juicy uswa pamusoro munyoro Mafuro, riri yepazasi kunosvika dzenzizi, muri rakaisvonaka chikafu zvipfuwo. Mupata Ganges, rwaNire, Rwizi Yellow, Danube ndivo dzinodiwa ndichibvunza kurima.

Chairwo ndiye Delta of Neva River, inoyerera kuburikidza nomumachakwi dzakaderera uye sandarara Neva. rwizi urwu conditionally muzvikamu zviviri (hunhu muoti): pamusoro (panobva - Ivanovskie nezvikumbaridzo), 30 km, uye pasi (Ivanovskie zvikumbaridzo - muromo), 44? km refu. Mugore nomurwizi (anenge 15 km kubva mumuromo) anoumba navanopinda Delta Neva gurusvusvu ducts sleeved muzvitsuwa uye makwara. It akasimuka somugumisiro RINOFAMBIRA uye ebbs mvura kubva mugungwa uye pasi pokudzora inoyerera mvura. Mune Delta of Neva ndiyo chitsuwa chikuru Krestovsky, Vasilevsky, Petrograd, ivo Decembrists. maoko ake vari Small uye Big Neva Small, Medium uye Neva Large. The migero dzakakurumbira - yokunzvenga, gungwa, chiredzo, Griboyedov.