महासागर नितल उच्चावच (OCEAN BOTTOM RELIEF) | Lecture 4 | By- SS Ojha Sir | IAS, PCS, NET/JRF

पृथ्वी के लगभग 71% भाग पर महासागर फैले है | महासागरों की कई गतिया है, जैसे- लहर , धारा, ज्वार तथा सुनामी इत्यादि | यह ऊर्जा प्रदान करते है, जैसे - लहर ऊर्जा , ज्वारीय ऊर्जा ओटेक ऊर्जा, ओस-प्रे ऊर्जा इत्यादि |
महासागरों में सम्पन्न नितल / निक्षेप संसाधन मिलते है,- जैसे एल्युमीनियम, कोबाल्ट, निकेल, मग्निशियम, लोहा इत्यादि | महासागर जैविक संसाधनों मेंभी संपन्न होते है, जैसे - मछली , प्रवाल तथा औषधि मूल्य की शैवाल | महासागर हमें नमक तथा नौकायन सुविधाए प्रदान करते है |
पार्थिव उष्मन तथा बर्फ पिघलने के कारण समुद्र तल उठ रहा है | इस प्रकार महासागर तटीय भू-भाग तथा द्वीपों को ढक ले रहे हैं | दो देशों के बीच समुद्री संसाधनों पर विवाद हो रहा है | इसलिए अन्तराष्ट्रीय समुद्र नितल प्राधिकरण तथा अन्तराष्ट्रीय महासागर कानून बबये गए है |
इस प्रकार आज का वर्तमान तकनीकी मानव विश्व महासागरों के विभिन्न पहलुओं की तरफ देख रहा है, और उनका अध्ययन कर रहा है |
Oceans cover about 71% area of the earth. Oceans have several motions like Wave, Current, Tide, Tsunamis etc. These provide energy like Wave Energy, Tidal Energy, Otec Energy, Osprey Energy.
Oceans have rich Bottom Deposits/ Resources like Aluminium, Cobalt, Nickel, Magnesium, Iron etc. Oceans are rich in biotic resources such as fish, Corals and algae of medicinal value. Oceans provide us salt and navigation facilities.
Due to global warming and ice- melting sea level is rising. Thus oceans are occupying coastal land and island.
Disputes arise on the marine resources between two countries hence International seabed authority and International ocean laws have been formulated.
Thus today present technological man is looking at and studying different aspects of world oceans.
ABOUT AUTHOR :-
Prof Sheo Sagar Ojha is Head of Geography Department , University Of Allahabad. For more interaction please get in touch with him through his Facebook Page & Twitter.
Facebook:- / supergeography
Twitter:- ssojhageography?s=08

[@AKHILESHKUMAR-lo2kd]

गुरुदेव आप विडियों डालना बंद कर देते हैं तो मेरे लिए आगे बढ़ने का हौसला समाप्त होने लगता है
भगवान आपको और ऊर्जा दे ताकि हम जैसे लोगों की उम्मीद जिंदा रहें

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Haa yrrr

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Sahi bat h bhai mera Opt bhi geog h bpsc me

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सादर श्रद्धांजलि गुरुदेव।
आपके पढ़ाने की शैली का कोई सानी नहीं है।

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He is the best teacher and he has humour too while teaching....👌👌👌👌👌👌

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Sir aap वाकई geography ka बेहतरीन teacher h.., आपको पद्मश्री या padm विभूषण मिलना चाहिए

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Right✅✅✅✅

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shandar lecture sir ji thank you so much

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Sir aap kafi achhi trh padhate hai✅✅🔥🔥🔥🔥🔥🔥🔥🌎🌎🌎🌎achhi trh samjh AAA jata hai🙏🙏🙏🙏🙏🙏thqqq so muchh sir

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किस सब्दो से आप का शुक्रिया करू या फिर प्रणाम करू मै तो फर्स्ट टाइम आप से जुड़ा हूं आप की वीडियो देख कर लगता है कि आप कितने महान है जो में बया नहीं के सकता हूं 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

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agast muni :D
simplicity ke sath swag koi aapse seekhe...........pranaam gurudev..... jai shri ram

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Professor ojha ji is tha best geographer teacher I have seen❤

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Thank u so much sir. Apke jyse teacher savi colleges and university me hone chahiye

[@srknirala8890]

गुरु जी आपको बहुत बहुत धन्यवाद जो आप इतने अच्छे से समझाते है

[@skabdullah3155]

Thanks for this beginning class of oceanography

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Thanku so much sir....aap hazar saal jiye 😄😄😄

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प्रणाम स्वीकार करे गुरू देव

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Thank you eswar apko ashish de

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Very Interesting and Full of Knowledge,, Thank you Sir,, 🙏

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thank u sir.
plz sir video regular dalte rahiye .🙏🙏🙏🙏🙏🙏

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Guru ji apke charno me koti koti naman

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Great sir

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Maine is topic ko do bar chuka but samjh me nhi aaya tha

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Bahut shandaar ,umda sir🙏🙏

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GREAT WORK BY YOU SIR...
THANKYOUUU...

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Well Don Sir....... Thank you

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Thank you sir...for making geog.so easy n simple

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Iswar apko swasth rakkhe.

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Thank You So much Dear SIR

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[@pankajkumarshukla9253]

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the lectures are really enjoyable ........and morever i am seeing your Hindi lectures but i have seen some lectures in English of same topic of your channel only ,i am literally enjoying the simplicity level of your explanation (example of Aghast Muni) but sir use of high level Hindi is difficult to understand for a person like me .... please speak once English word for that high level Hindi. Thankyou for teaching in a such a modest manner.

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Tysm sir.

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sir

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prnam sir..

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is there anyone who makes note's ????

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at the very middle of continents where sea is not available closely e.g. kazakhastan china border, dose geoid shape of earth not create problems to decide mean sea level. pls tell anyone.

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Guru ji parnam.mere liye aapse padhna sobhagye ki baat h...

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Meriyana trench 11022 m bta rha hai ncert .

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Plz sir increase the video length....

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Good evening sir

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Sir please indian geography start kar digya

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Jo pdha rhe h wo chhod de kya ???

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Sir गिरी और गियो में अंतर बताइये

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Aap se milna hamara saubhagya

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Yes

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Opt hai kya apka

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Sir,,Please start Human Geography also

[@raghvendrapandey909]

Sir insan h koi satiman nhi jo pdha rhe h utna pdh kr smjh aur likh lo india ka koi exam nhi rukega sir ko continue kam krne dijiye wo sare topic pdhayeg bole h

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Sr ap kha chle gye the....

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Tipic suru krne se phle smy lete h sir taki tum log ache se pdhai gyi cheejo ko duhra sko

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Like kro please.

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THANKYOUUU...

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