Yankin arewacin Tekun Gabas ta Gabas an san shi da teku rawaya. Ruwa ne mai fadi wanda ya mamaye yanki kusan kilomita 417². Tana tsakanin babban yankin kasar Sin da zirin Koriya. Sunan ya fito ne daga barbashin yashi wanda ya ba ruwa launi mai kama da rawaya. Kogin rawaya ne da ke kula da ciyar da wannan teku da ba shi wannan launi. Kogin rawaya an san shi da Huang he. Hakanan an san shi a cikin gida, a Koriya ta Kudu, kamar Tekun Yamma.
A cikin wannan labarin zamu gaya muku game da duk halaye, siffofi da asalin Yammacin Yamma da koginsa.
Babban fasali
Yammacin Tekun Yamma ne mara zurfin teku wanda kawai yake da shi mafi zurfin zurfin mita 105. Tana da babban bakin ruwa wanda ya samar da kasan tekun kuma ana kiranta Tekun Bohai. Wannan bakin kogin shine inda Yellow Yellow ya ɓace. Kogin Yellow shine babban tushen ruwan teku. Wannan kogin ya kafe ne bayan ya tsallaka lardin Shandong da babban birninta, Jinan, da kuma Kogin Hai da ya ratsa Beijing da Tianjin.
Sunan wannan teku bai fito daga kogi ba, amma daga adadin yashi na quartz wanda yake jansa har zuwa ruwan ruwa kuma ya bashi wani launi na musamman. Wannan shine dalilin da yasa yake da sunan Tekun Rawaya. Ruwa ne mai arziki a ciki algae na ruwa, cephalopods da crustaceans. Mafi yawanci zamu iya samun nau'in algae daga ƙungiyar shuɗi-shuɗi waɗanda ke fitowa musamman a lokacin bazara kuma hakan ma yana taimakawa ga launin ruwan. Kasancewar ba shi da zurfi, kalar algae yana tantance launin da zai samu daga hangen nesa gaba ɗaya.
Man fetur a cikin Tekun Rawaya
A cikin 2007 akwai wani binciken da Kamfanin Mai da Gas na China, CNPC ya yi. Kuma shine an gano wata mahimmin filin mai kusan tan biliyan biliyan. Ana samun wannan binciken a bakin tekun da kuma kan gaci na Yammacin Tekun. Tana cikin lardin Hebei kuma tana da yanki wanda ya faɗaɗa zuwa murabba'in kilomita 1570. Kashi biyu bisa uku na duk wannan adadin mai yana kan dandamalin teku.
Dabbobin dabbobi da na shuke-shuke suna ƙaruwa yayin da muke kusa da kudancin teku. Anan ne zamu iya samun manyan kifaye da yawa. A cikin shekaru goman da suka gabata, Koriya ta Arewa tana aiwatar da ayyukanta daban-daban na kera makaman nukiliya a gabar tekun Yellow Sea. A saboda wannan dalili, Majalisar Dinkin Duniya ta amince da shi, kodayake ba ta da wata ma'ana ga wannan kasar ta kwaminisanci.
Babban harajin Tekun Yellow
Mun san cewa Ruwan Yellow yana ciyar da wannan tekun. Tsayi ne mai ɗanɗano wanda yake ɗauke da ruwan sha wanda ake ɗauka a matsayin shimfiɗar wayewar ƙasar Sin. Ita ce kogi na biyu mafi tsayi a duk ƙasar Sin, kasancewa ta uku mafi tsawo a Asiya kuma ta shida mafi tsayi a duk duniya. An san shi da wannan sunan don yawan lalataccen abin da ya ɗauka zuwa Tekun Rawaya kuma ya ba shi wannan launi.
Hanyar haɗi a cikin tsaunukan Bayan Har a tsaunin Tibet a tsaunuka har zuwa mita 4.800. Yana gudana ba bisa ƙa'ida ba a cikin hanyar gabas zuwa wasu lardunan Sinawa 9 har sai ta ƙare zuwa Tekun Rawaya. A cikin wannan wurin yana haifar da wani yanki wanda yake sananne sosai.
Adadin tsawon kogin ya kai kilomita 5,464, kuma mashigar ruwa ta mamaye yanki kusan 750,000-752,000 km2. Yawanci yakan fitar da kwarara zuwa cikin tekun kilomita dubu 2.571 a sakan daya. Wannan shi ne magudanan ruwa, wanda shine na uku mafi girma a China. Yawancin gajerun rafuka suna ba da ruwa ga wannan kogin a ci gaba. Idan muka binciko dukkan darasin, zamu ga cewa yana da sassa 3: babba, babba da ƙarami.
Kashi na farko na karatunsa ya fara a cikin tsaunuka zuwa Togasar Togtoh, ta hanyar fiye da kilomita 3,400. Anan ne inda gangarensa yake ɗan ɗan tudu kuma inda haihuwarsa ta fara. Tsarin tsakiyar yana farawa daga gundumar zuwa Zhengzhou a lardin Henan. A cikin wannan ɓangaren ne na yanzu yake ɗaukar sama da kashi 90 na laka. Abincin ragowa shine ragowar yashi da dutsen da ake motsawa da jigilar su ta hanyar gyarawa da ta iska da narkar da su. Aƙarshe, ƙananan hanya yana farawa daga Zhengzhou kuma ya ƙare a teku. Tuni a cikin wannan ɓangaren teku akwai inda aka ɗora shi da mafi yawan laka.
Horarwa da halittu daban-daban
Kogin yana samun launin ruwan kasa mai launin rawaya yayin da yake gudana tare da kamfanin tarin daskararrun barbashi wadanda suke da wannan launi. Wani ɓangare na ƙasar tudun Tibet inda kogin ya fara hawa shine mai saukin kamuwa da zaizawa ta hanyar iska kuma duk yashi mai kyau an wankeshi cikin kogin. Idan an ɗora kogin da barbashi tare da wannan launi, ana jigilar su kuma ƙarshen ƙarewa yana cikin Tekun Yellow.
Kogi ne wanda bashi da dimbin arziki a cikin halittu daban-daban, don haka teku ma ba ta da arziki sosai. Tekun, kasancewar ba shi da zurfi, ba shi da ikon ɗaukar adadi mai yawa na flora da fauna. Wasu daga cikin dabbobin da aka fi sani sune cokalin Yangtze da wasu irin katun. An kiyasta cewa gabaɗaya ana iya samun su kusan nau'ikan kifaye 150 amma adadin ya fi yawa a yau. A cikin kwamin akwai nau'ikan dabbobi masu yawa irin su damisa da barewar sica.
Daga cikin sanannun tsuntsayen da muke da Babban Bustard, China Serreta da Mikiya ta Turai. Ana amfani da kogin don samar da wutar lantarki kuma ya sa duk wannan ɓangaren ya ci gaba. Haka lamarin yake game da kiwon kifi da kiwon kifi da wasu dabbobin ruwa. Yana daya daga cikin mahimman ayyukan tattalin arziki banda hakar mai.
Ina fatan cewa tare da wannan bayanin zaku iya ƙarin koyo game da Tekun Rawaya da halayenta.