Koyo daga kogin na Leningrad Yankin: Narva, Luga, Long, Svir, Ohta

Kusan duk na Leningrad yankin kõguna kasance a cikin kwari na Baltic Sea. Daga wannan shi ya bi cewa su kawo su ruwa zuwa cikin tekun Atlantic. Kawai ruwa tsarin, located a cikin matsananci gabashin nasa ne da Volga Basin.

A m cibiyar sadarwa na gudãna a cikin yankin da aka ɓullo da kyau. Idan ka ƙara sama da tsawon dukan ruwa gudana a cikin yankin, za ka samu wani wajen manyan adadi, kadan a kan dubu 50. Km. A kogin na Leningrad yankin ne yafi ciyar da dusar ƙanƙara da ruwan sama. Halin da hunturu da kuma bazara tide barga low-ruwa lokaci. Dukan ruwa tsarin na yankin quite m.

Luga kogin

Luga River fara a cikin Novgorod yankin kusa da kauyen Tesovsky a wata tsawo na 53 mita da kuma gudana a cikin Luga Bay a Gulf na Finland. A tsawon ruwa ya kwarara - kadan fiye da 350 km, kuma catchment yanki - game da 13 dubu sq. M. km. River Luga, Leningrad yankin - wani watercourse da yawa aikin gandu, amma ya yanke shawarar ware kawai shida most: Long, Saba - bar da Oredezh, Lizard, Lemovzha, Vruda - dama.

Kogin kagaggun m amma tekun yana da tsakuwa moraine tuddai, kamar yadda akwai shirayi (Kingisepp da Sobsky). Floodplain Luga ba nauyi indented, wani lokacin akwai oxbow tabkuna da kuma bays. Rufe da kankara a watan Disamba, ya bude a watan Afrilu.

Leningrad yankin na kogin ne na bayar da muhimmanci ga yankin. Alal misali, a kan p. Makiyaya da ake amfani a cikin shipping masana'antu, amma kawai a wasu yankunan tsakanin shirayi. Tana kuma da hannu a cikin tsarin na birane samar da ruwa da kuma a cikin makamashi kansu (a halin yanzu mothballed HPP). A halin da ake ciki muhalli ne mai gamsarwa.

Long River (Leningrad yankin)

Long River - hagu tributary da kogin. Luga, kawai Rasha fitowa (Leningrad yankin). Its tushen ne a kananan lake Spasso Kotor. Bugu da ari nisa da tushe akwai da yawa jikin ruwa, daga abin da dogon gamsuwa. Su ruwa shi daukawa zuwa kogin Luga. Long tsawon na kogin a bit fiye da 90 km, da daron yanki ne 830 murabba'in mita. km. A ruwa-ruwa rafi ne aikin gandu Dymakarka (hagu) da kuma sansanin (dama).

Narva kogin

Narva (wani sunan - Narva ko Beck) - Istoniyanci-Rasha kan iyaka kogin. Yana farawa daga cikin Lake Peipsi yankin a tsawon mita 30 saman teku matakin da gudana a cikin Narva Bay a Gulf na Finland. River tsawon - na 77 km, tare da zurfin har zuwa biyar da rabi mita, da kuma talakawan nisa - game da 250 m, da catchment yanki ne 56 200 sq. km. A wannan rafi na ruwa akwai biyu manyan bakin kofa, wanda shi ne 17 km daga bakinsa, suka gina birnin na wannan sunan. Akwai kuma ruwan surface na tafki. Narva River freezes a watan Disamba, da kankara da aka tsare shi har kafin Afrilu.

Watercourse aikin gandu da sallama mai yawa, amma babban shi ne Rosson da Plyussa. A ƙasa akwai wani ban sha'awa sabon abu da aka kira "inversion" ga abin da yake da mu'amala tsakanin p. Luga da kuma p. Narva. A peculiarity ta'allaka ne da cewa Rosson, dangane da ruwa matakin, za a iya canza shugabanci na kwarara a daya shugabanci ko sauran.

Narva ya taka muhimmiyar rawa a cikin kasashen biyu: kananan shipping, akwai hydroelectric, wasanni darajar, kazalika da tattalin arziki. Border kogin shi ne mai arziki a cikin roach, Pike, rudd, perch da bream.

Svir kogin

List of "Rivers na Leningrad yankin" ya cika wata babbar watercourse - Svir. Ya yi aikin da ya fi muhimmanci mahada a Mariinsky ruwa tsarin, shi ne a yanzu da Volga-Baltic Waterway. A kogin fãra daga Lake Onega , da kuma a kan 224 km yana da ruwa a Ladoga, kafa yankin Neja Delta. Catchment ne fiye da 84 sq. M. km. Da nisa daga cikin kogin dabam daga mita 100 zuwa 12 km a cikin ruwan tufana.

Svir yana da yawa bar aikin gandu, amma da hakkin ne da yawa kasa. Wannan sabon abu ne saboda da jeri na bangaren na pool. The most hagu aikin gandu - Pasha da kuma Oyat. A kogin gudana ta hanyar mai m yanki, wanda bakuncin glaciers, sabili da haka ba ba tare da bakin ƙofa. Amma anthropogenic canji na tashar tãyar da ruwa matakin da aka gaba daya flooded su. Svir River da ake amfani da gidroelektrosnabzheniya, kewayawa, katako iyo, hutu da kuma kama kifi. A cikin kogin da kifi, Grayling, catfish, IDE.

Ohta kogin

Dama mafi girma tributary da Neva River - kogi Ohta ( "Bear"). Istok ne a Lembolovo altitudes Vsevolozhsk gundumar. River Length - 90 km, da kuma fadin dabam daga 10 zuwa 60 m, zurfin - ba fiye da 6 m kogin Ohta warai saka, slaboizvilistoe, lake kasa ƙasar, Coast m (gangara har zuwa 5 m), kasa ne a cike da laka kuma m .. Mutane da yawa gandu: Harvazi, Pippolovka, Okkervil River, da sauransu. A halin da ake ciki muhalli a cikin korau River, kuma a shekarar 2011 ta aka bayar da 4th matakin - da "datti."