Raft River (Washington)

Kogin Raft rafi ne gaba ɗaya a cikin Reservation na Quinault Indiya a gundumar Grays Harbor, a gabar tekun Olympics, a cikin jihar Washington ta Amurka. Kogin da magudanan ruwa suna kwarara zuwa yamma daga tsaunin Olympic kuma babu komai a cikin tekun Pacific. Tana da 'yan mil mil arewa da Kogin Quinault da 'yan mil kaɗan kudu da Kogin Queets.

 Hakika 
Kogin Raft ya samo asali ne daga mahaɗar Crane Creek da Abincin Abinci, wanda ke gudana kudu maso yamma daga tsaunukan Olympics. Kogin Raft yana gudana zuwa yamma kusan , yana tara magudanan ruwa kamar su Kudu Fork da North Fork Raft River, har sai sun shiga cikin Tekun Pacific. Crane Creek shine mafi tsayi na maɓuɓɓugan tushe guda biyu, wanda kusan  ya kawo jimlar zuwa kusan  

Crane Creek yana haɗuwa da Cedar Creek kafin Crane da Lunch Creek su haɗu, suna kafa babban kogin Raft. Crane, Cedar, da Lunch Creek duk suna kwarara kudu maso yamma daga tsaunukan Olympics. Abincin rana yana haɗuwa da Meadow Creek jim kaɗan kafin saduwa da Kogin Raft. Kasa da mil mil a ƙasan Abincin rana Raft River yana haɗuwa daga kudu ta Kogin Fork Raft ta Kudu. Fork na Kudu ya fara 'yan mil zuwa kudu a cikin wani dausayi mai suna O'Took Prairie.  Ci gaba da yamma Kogin Raft yana haɗuwa da ƙananan kofuna biyu sannan, daga kudu, Hoh Creek. Bayan wasu mil mil an haɗa Kogin Raft, daga Arewa, ta Kogin Fork Raft ta Arewa. USGS topographic maps accessed via https://mapper.acme.com

Kogin Fork Raft na Arewa ya samo asali ne daga tsaunukan Olympic kusa da iyakar Quinault Reservation. Ita ce tafsiri mafi tsayi a kusan  . Jimlar tsayin cokali mai yatsu na Arewa da babban kogin Raft da ke ƙasa da haɗuwa ya kai kusan  . Kogin Fork Raft na Arewa yana tattara ramuka daban-daban ciki har da Wolf Creek da tributary Trail Creek da Swede Creek. USGS topographic maps accessed via https://mapper.acme.com  

Ƙarƙashin Ƙarƙashin Ƙarƙashin Arewa Raft River yana haɗuwa da Red Creek sannan kuma Rainy Creek. A cikin wannan ya isa kogin ya yi nisa ta cikin wani filin ambaliya kimanin  fadi. Tashar kogin kusan  ne fadi, fadada zuwa sama da  a kogin lankwasa. 

Kogin Raft yana zubar da komai a cikin Tekun Pasifik a wani tulin teku da ake kira Tsibirin Tunnel da kuma gungu na ƙananan tudu, ɗaya daga cikinsu ana kiransa Dutsen Elephant. USGS topographic maps accessed via https://mapper.acme.com An sanya sunan Dutsen Giwa don bakanta wanda ya ba ta kamannin giwa. Sai dai bangaren “kumburi” na baka ya ruguje a shekara ta 2016. 

Mafi ƙarancin  na Raft River wani yanki ne mai tasiri sosai . 

 Muhalli 
Mafi yawan magudanan ruwa na Raft River sun ƙunshi ƙananan tsaunuka da tudu. Yawancinsa an yanke shi a bayyane a cikin 'yan shekarun nan. 

Kogin Raft da rafukan sa suna tallafawa chum salmon da koho salmon spawning. Kiwon kifin kifi mai iyaka na Chinook yana faruwa a babban kogin Raft.  Har ila yau, kogin yana tallafawa yawan salmonid na tururuwa na bijimai da kambun karfe. Sauran dabbobin da aka samu a cikin kogin Raft sun haɗa da gaggafa mai sanƙarar fata, ƙwanƙolin ƙanƙara, mujiya da aka hange, da sauran su. 

Kogin Raft River's Estuary, inda igiyoyin ruwa ke haɗa gishiri da ruwa mai daɗi, yanki ne na musamman wanda ke da mahimmanci a al'ada ga al'ummar Indiya ta Quinault . Ko da yake bai kai girma ko hadaddun ba kamar na kusa da Kogin Queets na kusa, ginin kogin Raft yana da yawa kuma yana tallafawa wurare daban-daban. Kasancewa ana samun dama da ƙafa, ya kasance mai ɗanɗano kaɗan, kodayake akwai wasu shaidun samun damar ta ATVs kuma akwai wasu ciyawa na bakin teku ba na Turai ba. Ba a ba da izinin shiga gaɓar teku da rairayin bakin teku ga waɗanda ba na qabila ba sai dai in tare da wakilin kabila. 

The surficial geology of most of the Raft River's drainage basin is glacial outwash, with the estuary being more recent alluvium.

Mashigin kogin da ƙananan isa, har zuwa Fork na Arewa, yana cikin yankin haɗarin tsunami . 

 Tafsiri 
A cikin tsari na sama manyan wuraren rafi na Raft River sune:

 Ruwan ruwa
 Red Creek
 North Fork Raft River
 Wolf Creek
 Trail Creek
 Swede Creek
 Hoh Creek
 South Fork Raft River
 Abincin rana Creek
 Meadow Creek
 Crane Creek
 Cedar Creek

 Duba kuma 

 Jerin rafukan Washington

 Nassoshi 

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