प्रशान्त महासागर  हिन्दी देवनागरी में पढ़ें।

prashant mahasagar

prashant mahasagar vishv ka sabase bada tatha sabase gahara samudr hai. tulanatmak bhaugaulik adhyayan se pata chalata hai ki, is mahasagar men prithvi ka bhag kam tatha jaliy kshetr adhik hai. vaigyanik anveshakon tatha sahasik navikon dvara is mahasagar ke vishay men gyan prapt karane ke anek prayatn kie ge, tatha ab bhi isaka adhyayan jari hai. sarvapratham 'petarabyuk' mahoday ne isake bare men pata lagana arnbh kiya. isake pashchath‌ 'bailaboa', 'magemenadanya', 'haauris', 'kuku' adi yooropiyanon ne prayatn kiya. dvitiy vishv mahayuddh samapt hone par snyukt rashtr ne isake bare men kharch ke nimitt anek prayas kie, jo saphal vyapar tatha poonji viniyog ke vikas ke liye labhadayak siddh hue. ab bhi nirntar prashant mahasagar ke garbh ke bare men gyan prapt karane ke liye anveshan jari hain.

kshetraphal

isaka kshetraphal 6,36,34,000 varg mil, arthath atalantik mahasagar ke dugune se bhi adhik hai. yah filipins tat se lekar panama 9,455 mil chauda tatha bering jaladamaroomadhy se lekar dakshin aintarkatika tak 10,492 mil lnba hai. isaka uttari kinara keval 36 mil ka bering jaladamaroomadhy dvara arkatik sagar se juda hai. isaka itane bade kshetr men phaile hone ke karan yahan ke nivasi, vanaspati, pashu tatha manushyon ke rahan-sahan men prithvi ke any bhagon ke sagaron ki apeksha badi vibhinnata hai. prashant mahasagar ki ausat gaharaee lagabhag 14,000 fut hai tatha adhikatam gaharaee lagabhag 35,400 fut hai, tab gvaim aur mindano ke madhy men hai. yah mahasagar atalantik mahasagar ka sahavarti hai.

bndaragahon ka abhav

is mahasagar ke poorvi evn pashchimi kinaron men bada antar hai. poorvi kinare par parvaton ka kram phaila hai, ya samudri maidan bahut hi snkare hai. isi karan yahan achchhe-achchhe bndaragahon ka abhav hai, tatha sabhyata ki bhi adhik unnati nahin ho paee hai. bering jaladamaroomadhy barf se jama rahata hai, jisase yatayat men badha padati hai. isake viparit is pashchimi kinare par parvat nahin hai. balki kee dvip, khadiyan, prayadvip tatha delta hain. pashchimi kinare par japan, filipins, hindeshiya adi ke lagabhag 7,000 dvip hain. isake kinare par vishv ki badi-badi nadiyan isamen girati hain, jinake deltaon men ghani janasnkhya basi hai.

akriti

prashant mahasagar ki akriti tribhujakar hai. isaka shirsh bering jaladamaroomadhy par hai, jo ghode ke khur ki akriti ka hai aur jvalamukhi parvaton tatha chhoti-chhoti pahadiyon se ghira hua besin banata hai. amarika ka pashchimi tat 'pyoojet saund' (Puget Sound) se alaiska tak barphili chattanon se yukt hai. uttar ki or alyooshain dvip ka vrittakhnd hai, jo saiberiya ke samipavarti bhagon se hota hua bering sagar tak chala gaya hai. mukhy dvip prashant mahasagar ke pashchimi kinare se hokar kaimachaitaka prayadvip ke uttar aur astreliya ke uttar-poorv ki or phaile hue hain. ye hindeshiya ke vrittakhnd se jud jate hain. bhoovigyaniyo ne is bat ka pata lagana chaha ki is mahasagar ka nirman prarnbh men kaise hua, lekin ve koee bhi sarvamany siddhant n nikal pae.

prashant mahasagar

asaman sarnchana

jvar bhata yahan ki mukhy visheshata hai. yah naukaon ki yatra ko prabhavit karata hai. isaka kram is mahasagar ke vibhinn taton par ek sa nahin hai. isaka prabhav aur oonchaee kahin adhik aur kahin bahut kam hoti hai, jaise koriya ke tat par isaki oonchaee bhinn bhinn sthalon par lagabhag 15 aur 30 fut ke bich men hoti hai, jabaki alaiska tat par yahi oonchaee lagabhag 45 fut tatha skaigane par 30 fut ke lagabhag tak hoti hai.

dharatal v gaharaee

prashant mahasagar ka dharatal pray: samatal hai. suvidha ki drishti se ise poorvi aur pashchimi do bhagon men banta ja sakata hai. poorvi bhag dviparahit tatha amarika ke upant bhag men hai. isaka adhikatar bhag 18,000 fut gahara hai. isaki adhikatar gaharaee kam se kam 13,000 fut hai, tatha jisako elbetraaus pathar kahate the. dakshini amarika ke pashchimi bhag men sthit hai. is chabootare ki any shakhaen uttar ki or riyatat tatha pashchim men tooamotoo, dvipasamooh, marakesas dvip tatha dakshin men aintarkatika tak phaili hain. is sagar ki satah mukhyataya pashchim men kee badi-badi lnbi khaiyon se bhari padi hai. kuchh mahattvapoorn khaiyon ke nam tatha gaharaiyan is prakar hain-

  1. tyoosiarora - 32,644 fut
  2. rnpa - 34,626 fut
  3. nairo - 32,107 fut
  4. eldrich - 30,990 fut adi.

uttari prashant mahasagar men sabase adhik gaharaee 'alyooshain dvip' ke pas paee jati hai, jo 25,114 fut hai.

jvalamukhiy kshetr

prashant mahasagar

prashant mahasagar ka vah bhag, jo kark rekha tatha makar rekha ke madhy men hai, 'madhy prashant mahasagar' kaha jata hai. kark ke uttari kshetr ko 'uttari prashant mahasagar' tatha makar ke dakshin sthit bhag ko 'dakshini prashant mahasagar' ke nam se snbodhit kiya jata hai. antararashtriy haidrographik byooro dvara ise do bhagon men vibhakt karane ke liye bhoomadhy rekha ka sahara liya gaya hai. 1500 p. de. poorvi prashant ke unhin bhagon ke liye prayukt hota hai, jo bhoomadhy rekha ke dakshin men hai. isaki khoj spenavasi 'baibaio' ne ki tatha isane prashant mahasagar ko panama namak sthan par 'dakshini sagar' nam diya. prashant mahasagar ke uttar, poorv evn pashchim se hota hua bhoopatal ka sabase kamazor bhag gujarata hai. isake karan yahan par adhikatar bhooknp evn jvalamukhiyon ke udgar hua karate hain. abhi bhi yahan 300 aise jvalamukhi parvat hain, jinamen se nirntar udgar hua karate hain. is mahasagar men chhitake dvipon ka udbhav pravalavalay, jvalamukhi athava bhooknpon ke dvara hua hai.


panne ki pragati avastha
adhar
prarambhik
madhyamik
poornata
shodh

tika tippani aur sndarbh

snbndhit lekh

varnamala kramanusar lekh khoj

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