Difference between revisions of "वर्षा"
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('{{पुनरीक्षण}} {{tocright}} वायु में मिला जलवाष्प शीतल [[पदार्थ|...' के साथ नया पन्ना बनाया) |
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==बाहरी कड़ियाँ== | ==बाहरी कड़ियाँ== | ||
[[Category:नया पन्ना]] | [[Category:नया पन्ना]] | ||
| − | [[Category:भूगोल]] | + | [[Category:भारत का भूगोल]] |
[[Category:भूगोल कोश]] | [[Category:भूगोल कोश]] | ||
__INDEX__ | __INDEX__ | ||
Revision as of 13:28, 20 June 2011
| chitr:Icon-edit.gif | is lekh ka punarikshan evan sampadan hona avashyak hai. ap isamean sahayata kar sakate haian. "sujhav" |
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vayu mean mila jalavashp shital padarthoan ke sanpark mean ane se sanghanan ke karan osaank tak pahuanchata hai. jab vayu ka tap osaank se niche gir jata hai, tab jalavashp pani ki booandoan athava oloan ke roop mean dharatal par girane lagata hai. isi ko varsha kahate haian. kisi bhi sthan par kisi nishchit samay mean barase hue jalakanoan tatha himakanoan se prapt jal ki matra ko vahaan ki varsha ka map kahate haian. garami ke karan utpann jalavashp oopar akash mean jakar phailata hai evan thanda hota hai. at: jaise-jaise vayu oopar uthati hai, usamean jalavashp dharan karane ki kshamata kam hoti jati hai. yahaan tak ki adhik oopar uthane se vayu ka tap us aank tak pahuanch jata hai, jahaan vayu jalavashp dharan kar sakati hai. isase bhi kam tap ho jane par, jalavashp jalakanoan mean parivartit ho jata hai. isi se badaloan ka nirman hota hai. phir badal jal ke karan dharatal par baras p date haian. jalakan banane ke uparaant bhi yadi vayu ka tap kam hote hote himaank se bhi kam ho jata hai, to jalakan himakanoan ka roop dharan kar lete haian jisase himavarsha hoti hai. varsha ke lie do batean avashyak haian:
- hava mean paryapt matra mean jalavashp ka hona
- vashp se bhari havaoan ka shital padarthoan ke sanpark mean ane se thanda hona aur osaank tak pahuanchana
- varsha tin prakar ki hoti hai
sanvahaniy varsha
is prakar ki varsha adhikatar bhoomadhyarekhiy pradeshoan mean pray: prati din hoti hai. bhoomadhyarekha par adhik garami p dane se samudroan se prachur matra mean jalavashp banakar vayu mean mila karata hai; garami aur vashp ke karan ardr vayu halki hokar oopar uthati hai aur isaka sthan grahan karane ke lie any havaean ati rahati haian. oopar uthi vayu oopar jakar thandi hoti hai tatha phailati hai. vashp ki matra adhik hone se osaank tak pahuanchane ke lie tap ko kam girana p data hai. at: vashp shighr jal ka roop le leta hai aur prati din pray: do baje ke bad ghanaghor varsha hoti hai. is varsha ko sanvahaniy varsha kahate haian.
parvatakrit varsha
vashp se bhari havaoan ke marg mean parvatoan ka avarodh ane par in havaoan ko oopar uthana p data hai jisase parvatoan ke oopar jame him ke prabhav se tatha hava ke phailakar thanda hone ke karan hava ka vashp booandoan ke roop mean akar dharatal par baras p data hai. ye havaean parvat ke doosari or maidan mean utarate hi garam ho jati haian aur asapas ke vatavaran ko bhi garam kar deti hai. vishv ke adhikatar bhagoan mean isi prakar ki varsha hoti hai. manasooni pradeshoan (bharat) mean bhi isi prakar ki varsha hoti hai. is varsha ko parvatakrit varsha kahate haian.
chakravat varsha
is prakar ki varsha garam aur shital vayurashiyoan ke apas mean milane se hoti hai, kyoanki halki garam vayu oopar uthati hai tatha bhari shital vayu niche baithati hai. at: oopar uthane vali vayu thandi hokar varsha karane lagati hai. is prakar varsha pray: shitoshn katibandh mean hua karati hai.
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