जलमण्डल
| chitr:Icon-edit.gif | is lekh ka punarikshan evan sampadan hona avashyak hai. ap isamean sahayata kar sakate haian. "sujhav" |
prithvi ke dharatal ke lagabhag 70 phisadi bhag jo ghere huee jal rashiyoan ko jalamandal kaha jata hai. poore sauramandal mean prithvi hi ekamatr aisa grah hai jis par bhari matra mean jal upasthit hai. yah ek aisa tathy hai jo prithvi ko any grahoan se vishisht banata hai.
mahasagar ka jal
jal mandal mean mukhy roop se mahasagar shamil hai lekin takaniki roop se isamean prithvi ki sanpoorn jalarashi shamil hai jisamean aantarik samudr, jhil, nadiyaan aur 2 kimi. ki gaharaee tak paya jane vala bhoomital shamil hai. mahasagaroan ki ausat gaharaee 4 kimi. hai. vishv ke muhasagaroan ka kul ayatan lagabhag 1.4 biliyan ghan kimi. hai. prithvi par upasthit kul jal rashi ka 97.5 phisadi mahasagaroan ke aantargat ata hai. jabaki baki 2.5 phisadi taje jal ke roop mean hai. taje jal mean bhi lagabhag 68.7 phisadi jal barph ke roop mean hai.
samudr ka jal
samudri jal mean ausat lavanata lagabhag 34.5 prati hajar hoti hai arthat 1 kigra. jal mean 34.5 gram lavan upasthit hota hai. mahasagar ghuli huee vatavaraniy gaisoan ke bhi bahut b de bhandar hote haian. yah gaisean samudri jivoan ke jivan ke lie atyant mahatvapoorn hai. samudri jal ka vishv ke mausam par bahut hi mahatvapoorn prabhav p data hai. mahasagar vishal ooshma bhandar ke roop mean kary karate haian. mahasagariy tapaman vitaran mean parivartan se jalavayu par bahut b da asar p data hai.
|
|
|
|
|
|
tika tippani aur sandarbh
bahari k diyaan
sanbandhit lekh