Neva Bay Gulf of Finland description

Neva lebe kira ruwan, located a gabashin Gulf of Finland. Don saman lebe gyarawa hannu na Neva River. Sun ciyar da m bay, ruwa desalinating shi. Neva Bay ne halin musamman fasali, wanda ya haddasa musamman hydrochemical da hydrobiological tsarin mulki.

The biyu suna daga cikin Neva Bay

A farkon karni XIX matuƙan suka yi aiki a cikin Baltic rundunar motoci, Abin mamaki da ake kira Gulf Markizova kududdufi. Marine ma'aikatar da Rasha Empire, sa'an nan ya sheƙa da Marquis de kẽta II. Ya hõre ta a ban a kan dogon teku Voyages. Rundunar cruising, bai bar iyãkõkin Kronstadt. Baltic jami'an sarcastically yi izgili da manufofin hukuma, ya yi amfani da take zuwa Bay sunayen laƙabi.

Gwargwadon matsayi

Daga gabas bay Neva lebe kayyade fringes yashi mashaya kafa Neva. A yamma, shi ya takaita kwane-kwane layi na Lisy Nos - Kronstadt - Lomonosov. Arewa gefen ruwaye m ga yanayin ajiye 'Arewa bakin Neva Bay. "

Tare da sauran na Gulf of Finland (ba tukuna bayyana defenses) lebe da alaka straits sun kasance a yankin na tsibirin Kotlin da ta haifa da sunan Arewa da ta Kudu Gate. Yanzu da Gulf of Finland daga lebe raba (da shaci da Mountain - Kronstadt - Bronk) monolithic hadaddun, kafa ta dams, tsara don kare St. Petersburg daga ambaliya. A halin yanzu jihar na Neva Bay ne wani ya zama ruwan dare jiki na ruwa ya kwarara.

Description na Neva Bay

Kafin gina dams ruwa bakinka madubi maida hankali ne akan wani yanki na 329 km ^2. Yanzu, ba da yammacin iyakar tafki ya wuce ta m hadaddun kafa ta dams, lebe kusa da yankin na 380 km ^2. Waters tare da m lebur kasa ruwa taro ya cika wani juz'i daga 1.2 cubic kilomita.

Neva Bay na Gulf of Finland daga gabas zuwa yamma lullube for 21 kilomita - wannan shi ne matsakaicin tsawon na tafki. Matsakaicin nisa daga cikin ruwa yanki ne game da tazarar kilomita 15, yayin da zurfin dabam daga uku zuwa biyar mita.

Hanyoyin tsaro hadaddun a kan yammacin da kuma gabashin bangarorin firam da Hedges halitta da kuma wucin gadi asalin. Saboda cikas da Monolithic ruwa musayar tsakanin gishiri da ruwa, ciko da Gulf of Finland, da kuma desalinated ruwa yanki na bakin wuya. Cikas ba da damar zuwa mamaye iska tãguwar ruwa, tafiya tare da bay, a cikin lebe.

A yammacin line Lomonosov Shoal, wanda ya fayyace tsaro hadaddun, abuts ta ƙofar kudu ta. Ta hanyar wannan tashar kewayawa sadarwa a tsakãninsu kuma suka Gulf Neva lebe. Kudu Gate yanki ne ba ma m, a total na mita 200. A talakawan zurfin ruwa ne 16 mita.

Neva Baki da lebe da alaka Marine navigable tashar. A Nevsky Coast, bautarka gabashin ruwan lebe kafa dukan tsarin daga shallows da fairways cike da koyaswa tsaye hollows. Fairways wakilta tashoshi: Elaginsky, Petrovsky, Galerny, jirgin, ridges da kuma Rum. A m zurfin mita 1.5 shallows. mashaya tsawon daga yamma zuwa gabas - 3-5 km, daga kudu zuwa arewa - 12-15 km.

Halaye na ƙasar da kuma yanayin yanayi

Coast, wanda aka firam Neva lebe Gulf arewa, low, dagagge ko wetland shafukan alluvium. A gaba ne overgrown tare da goge, da Woodland. Ta Kudu Coast, mikewa daga Strelna zuwa bakin Neva, ma low. Baki mikawa yamma Strelny, dagagge kuma an rufe shi da gandun daji. Coast a surf zones cike da gidajen gona da boulders.

Neva lebe mai cike da ruwa. Kawai a yamma da ruwa ruwan zartsi ruwan. A jihar bakin teku sashi ragae ruwa musayar. Summer a zurfin ruwa warmed zuwa 16-19 ° C, a kan sandbanks - har zuwa 21-23 ° C. A tsawon lokaci da na iyo kakar dabam daga 50 zuwa 70 days.

Ice tsarin mulki na Neva Bay

Tare da gabatowa tsakiyar watan Nuwamba a kan wani ruwa madubi kankara lebe bayyana a cikin nau'i na sludge da kitse. Complete daskarewa da tafki ne alama ta Disamba karshen. kankara cover ne gaba daya kafa a daban-daban sau. A tsawon lokaci na lokaci ya dogara da yanayi a bay. A garin kankara a kwantar da hankula weather da kuma kankara yakan a cikin kwanaki 2-3. Lokacin da iskõki da m sanyi aiwatar daukan game da wata daya.

Karkashin hankula yanayi, da kauri da kankara a karshen hunturu ƙaruwa zuwa 30-70 santimita (a cikin yanki bai wuce 20 cm fairways). A wani musamman garin kankara hunturu kankara kauri kusa da jihar bakin teku sashi zuwa 80-100 cm, a cikin tsakiyar ɓangare na tafki - to 60-80 cm, kuma a cikin fairways ne 20-30 santimita. Bude wani kankara kauri daga farawa a cikin makon da ya gabata na Afrilu. Kuma ta karshen watan da Neva Bay na Gulf of Finland ne Mafi kebe daga Wintergrasp.

Ice takardar fadi a hankali. Ice fiye yanka ta hanyar fasa a Fairway gape scours. Ice da aka bude a cikin hanyoyi biyu: daga cikin tsakiyar ɓangare na bay ga ~ ar ruwan kuma a gefen gabas zuwa yamma.

A fauna daga cikin Neva Bay

A ichthyofauna da tafki da aka wakilta 27 jinsunan ruwa tare kifi: perch, roach, Pike, Ruff, Dace da sauran. A cikin iyakokin na Gulf of Finland lura marine jinsunan: kwasfa, eelpout, zurfin, herring, sprat. A nan, a kowace shekara samar game da 3000 ton na kifi. Na kasuwanci jinsunan musamman muhimmanci smelt.

Neva Bay - cikakken mazaunin tsuntsaye. A abun da ke ciki na avifauna ne bambancin. Ga sheƙa da yawa jinsunan waterfowl da kũtsãwa tsuntsaye. A lokacin da gudun hijira a yankin na lebe shirya parking migratory tsuntsaye. A cikin ruwaye akwai wakilan woodpecker da coraciiformes, waders da passerines, waterfowl da tsuntsaye masu cin nama.