बिहार का भूगोल
| chitr:Icon-edit.gif | is lekh ka punarikshan evan sampadan hona avashyak hai. ap isamean sahayata kar sakate haian. "sujhav" |
- bhoo-akriti
prakritik roop se yah rajy ganga nadi dvara do bhagoan mean vibhajit hai, uttar bihar maidan aur dakshin bihar maidan. sudoor pashchimottar mean himalay ki taraee ko chho dakar ganga ka uttari maidan samudr tal se 75 mitar se bhi kam ki ooanchaee par jalodh samatali kshetr ka nirman karata hai aur yahaan badh ane ki sanbhavana hamesha bani rahati hai. ghaghara, gandak, bagamati, kosi, mahananda aur any nadiyaan nepal mean himalay se niche utarati haian aur alag-alag jalamargoan se hoti huee ganga mean milati haian. jhiloan aur gart lupt ho chuki in dharaoan ke praman haian. vinashakari badh lane ke lie lanbe samay tak 'bihar ka shok' mani jane vali kosi nadi ab kritrim potarohanoan mean simit ho gee hai. uttari maidan ki mitti zyadatar nee kachhari mitti hai, jisamean boodhi gandak nadi ke pashchim mean kh diyayukt v halki kan vali (zyadatar domat baluee) aur poorv mean kh diyamukt v bhari kan vali (domat chikani) mitti hai. himalay ke bhookanpiy kshetr mean sthit hone ke karan yah kshetr ek any prakritik apada (bhookanpiy gatividhiyoan) se prabhavit hai. 1934 aur 1988 ke bhishan bhookanp ne bhari tabahi huee aur janamal ko kshati pahuanchi.
dakshin-pashchim mean son ghati ke par sthit kaimoor pathar mean kshaitij balukashm ki parat choona-patthar ki paratoan se dhaki hai. uttar ke muqabale dakshin gaangey maidan zyada vividh hai aur anek paha diyoan ka utthan kachhari satah se hota hai. son nadi ko chho dakar sabhi nadiyaan chhoti haian, jinake jal ko sianchaee naharoan ki or mo d diya jata hai. yahaan ki mrida kali chikani ya pili domat mitti se sanghatit apekshakrit purani jalodhiy hai. yah khasakar kshetr ke dakshin ki or anurvar v ratili hai.
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