Kimiyya Mai Shahara | Shin kun san wannan "lokacin ambaliyar ruwa"?

Menenelokacin ambaliyar ruwa?
Ta yaya za a iya ƙirga shi a matsayin ambaliyar ruwa?
Kalli ƙasa tare!

Yaushe ne lokacin ambaliyar ruwa?
Ambaliyar ruwa a koguna da tafkuna a bayyane take a duk shekara, kuma tana da saurin faruwa a lokutan bala'o'in ambaliyar ruwa. Saboda wurare daban-daban na koguna da kuma lokutan ambaliyar ruwa daban-daban, tsawon lokaci da lokacin ambaliyar ruwan suma sun bambanta.

Yaya ake tantance ranar ambaliyar ruwa?
Ranar shigar da ambaliyar ruwa tana nufin ranar fara kakar ambaliyar ruwa a wannan shekarar.

Ana tantance ranar shigar ambaliyar ruwa ta hanyar alamomi guda biyu: ruwan sama da matakin ruwa, idan aka yi la'akari da ƙa'idodin ruwan sama mai yawa da ambaliyar ruwa a ƙasarmu, kuma bisa ga "Ma'aunin Tabbatar da Ranar Shigar ambaliyar ruwa a ƙasata" da Ma'aikatar Albarkatun Ruwa ta tsara, ƙa'idodin shigar ambaliyar ruwa sune kamar haka:

Tsarin shigar ambaliyar ruwa yana farawa daga 1 ga Maris kowace shekara, idan ma'aunin shigar ambaliyar ruwa ya cika ɗaya daga cikin waɗannan sharuɗɗan, za a iya tantance ranar a matsayin ranar shigar ambaliyar ruwa.

1. Tsawon kwanaki 3 a jere, yankin da ruwan sama ya mamaye tare da jimillar ruwan sama na mm 50 ko fiye ya kai murabba'in kilomita 150,000;

2. Duk wani daga cikin tashoshin da ke wakiltar muhimman koguna da ke shiga lokacin ambaliyar ruwa ya wuce matakin ruwan gargaɗi. Idan matakin ruwan gargaɗi na tashar wakilci ya canza, za a yi amfani da sabon alamar.
hoto
Dangane da yanayi da kuma musabbabin ambaliyar ruwan
Za a iya raba lokacin ambaliya zuwa nau'i huɗu gabaɗaya
Lokacin ambaliyar ruwa na bazara
A lokacin bazara, lokacin ambaliyar ruwa galibi yana faruwa ne sakamakon narkewar ƙanƙara a tushen kogin arewa ko kuma saman rufin ƙanƙara mai sanyi, da kuma lokacin ambaliyar ruwa da lokacin ruwan sama ke haifarwa a lokacin bazara da bazara a kudu.
Lokacin Ambaliyar Ruwa
Ruwan sama mai ƙarfi a lokacin rani ne ke haifar da ambaliyar ruwan.
Lokacin ambaliyar kaka
Lokacin ambaliyar ruwa galibi yana faruwa ne sakamakon ruwan sama mai ƙarfi a lokacin kaka (ko kuma ruwan sama mai ƙarfi da ke ci gaba da gudana)
Lokacin daskarewa
A lokacin hunturu da bazara, kankara kan toshe hanyar kogin kuma ta narke a lokacin ambaliyar ruwa

Saboda bambancin yanayi, lokutan farawa da ƙarshen lokacin ambaliya sun bambanta a sassa daban-daban na ƙasarmu. Yawancin lokaci ambaliya tana jinkiri daga kudu zuwa arewa yayin da canjin yanayin ruwan sama ke faruwa. Yuli zuwa Agusta shine babban lokacin ambaliya a ƙasar.

Kogin Pearl, Kogin Qiantang, Kogin Ou da Kogin Yellow, Kogin Hanshui, da Kogin Jialing suna da yanayi biyu na ambaliyar ruwa a bayyane. Kogin Pearl, Kogin Qiantang, da Kogin Ou an raba su zuwa yanayi kafin da kuma bayan ambaliyar ruwa, kuma Kogin Yellow, Hanshui da Jialing an raba su zuwa yanayi mai zafi da kuma lokacin kaka.