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Oceanography 1 (Origin of Earth and the Oceans)

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Oceanography 1 (Origin of Earth and the Oceans)

Oceanography- Origin of Ocean basin - Episode - 3

Oceanography- Origin of Ocean basin
Episode - 3
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Introduction to Oceanography (Part 1): History & Ocean Basics

Mr. Lima introduces the topic of oceanography by talking about basic ocean geography (oceans, seas, bays, gulfs, peninsulas, capes) and about the history of oceanography

Oceanography (Introduction)

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Exploring the Layers & Depth of Ocean: Introduction to Oceanography

@15:36 Please note the correction: The freezing point of seawater decreases as salt concentration increases. At typical salinity, sea water freezes at about -1.87 °C that is nearly -2 °C (28 °F). Ocean water, with an average salinity of 35 psu, freezes at this temperature implying that at high latitudes sea ice can form. In contrast to it, the average temperature of the ocean surface waters is about 17 degrees Celsius (62.6 degrees Fahrenheit).
Ocean Topography @1:16
Layers @1:34
Features of the Ocean Floor @5:13
Mid Ocean Ridge @6:42
Seamount @7:30
Major Drenges @10:51
Ocean Layers @12:20
Reason between High Water and Low Water @18:56
Oceanic Division @17:52
#Oceanography #Littoral #Twilight #Drenges #Features #Abyssal #Ridge #Shell #Continental #Topography #Manishika #Examrace


@18:39 Please note the correction: The freezing point of seawater decreases as salt concentration increases. At typical salinity, sea water freezes at about -1.87 °C that is nearly -2 °C (28 °F). Ocean water, with an average salinity of 35 psu, freezes at this temperature implying that at high latitudes sea ice can form. In contrast to it, the average temperature of the ocean surface waters is about 17 degrees Celsius (62.6 degrees Fahrenheit).


In this video, Dr. Manishika Jain explains the topography of oceans - continental shelf, continental slope, continental rise, abyssal plains, ocean trenches and layers of ocean - epipelagic, mesopelagic, bathypelagic, abyssopelagic and hadalpegalic.
Please note the following correction in the video freezing temperature of ocean water is -1.87 degree celsius.


IAS Mains Geography optional postal course visit -

For Maps and locations books click here -

CBSE NET Geography optional postal course visit -

Lectures organised in topics and subtopics:

Oceanography Chapter 1

This lecture accompanies Chapter 1 of Essentials of Oceanography; 7th edition by Tom Garrison.
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[O1] Ocean Relief - Oceanography UPSC IAS Prelims and Mains

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Website:

Notes:

ORIGIN OF OCEANS

Subject : GEOLOGY
Course : INTRODUCTION TO GEOLOGY
Keyword : SWAYAMPRABHA

Underwater Universe Full HD 1080p, Amazing Documentary

Throughout history, tidal waves have drowned us, storm surges have sunk cities, and hurricanes and cyclones fueled by the ocean have caused terrible havoc. Underwater Universe tracks the history and evolution of the ocean's seven deadliest zones locations that throughout history have been the direct causes of human devastation by floods, tsunamis, hurricanes, whirlpools, ice, underwater volcanoes, and shipping graveyards.

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Distribution of Oceans and Continents - Chapter 4 Geography NCERT Class 11

Lecture video, notes, summary on Distribution of Oceans and Continents - Chapter 4 Geography NCERT books Class 11 | Part 2 - Fundamentals of Physical Geography. It will help you for revision, note making for upsc csat ias, school and competitive exams.

continental drift theory
plate tectonics
abraham ortelius theory
earth plates
wegener's evidence
ncert solutions
cbse

Video on different layers of the earth @ 5:15


Video on continental drift theory by Alfred Wegener @ 1:44 & 3:51


Evidences of continental drift theory @ 1:48


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Origin of Earth's oceans 3/3

© MMVIII .. Pioneer Films & TV Productions & Alan Handel Productions (NSS) Inc.

Oceanography the study of oceans

Discusses the scientific disciplines involved in oceanography, including meteorology, physics, chemistry, biology, and geology.
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Geology 13 (The Ocean Floor)

Where Did All Our Oceans Come From?

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Scientists have many theories about the origin of our oceans and one of the prevailing theories is that ice comets struck Earth several billion years ago and melted.

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Previous Episode:

Why The Ocean Is Responsible For All Human Life:

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Early Accretion Of Water In The Inner Solar System From A Carbonaceous Chondrite-like Source:


“Determining the origin of water and the timing of its accretion within the inner solar system is important for understanding the dynamics of planet formation.

Dehydration Melting At The Top Of The Lower Mantle:


“The high water storage capacity of minerals in Earth’s mantle transition zone (410- to 660-kilometer depth) implies the possibility of a deep H2O reservoir, which could cause dehydration melting of vertically flowing mantle.

Why Do We Look For Water When Searching For Extraterrestrial Life?:


“The assumption that alien biochemistries probably require liquid water may seem a little Earth-centric. But given the chemical possibilities available from the most abundant elements in the universe, even an alien scientist with a different biochemistry would probably agree that a water-solvent-based biochemistry is quite likely to occur elsewhere in the universe – and might well be the most likely foundation for a complex ecosystem in which intelligent life could develop.

Scientists Discover The Oldest, Largest Body Of Water In Existence — In Space:


“Scientists have found the biggest and oldest reservoir of water ever—so large and so old, it’s almost impossible to describe. The water is out in space, a place we used to think of as desolate and desert dry, but it's turning out to be pretty lush.

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TestTube Plus is built for enthusiastic science fans seeking out comprehensive conversations on the geeky topics they love. Host Trace Dominguez digs beyond the usual scope to deliver details, developments and opinions on advanced topics like AI, string theory and Mars exploration. TestTube Plus is also offered as an audio podcast on iTunes.

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Geology/Oceanography 2 (Plate Tectonics)

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Oceanic movement (part-4 OCEANOGRAPHY)

OCEANOGRAPHY: Submarine Canyons Lesson-8

last lesson of OCEANIC RELIEF ,Everything about submarine canyons

Oceanography:Relief of the Ocean Basins[Lession-3]

Continental shelf,Slope,Rise and Deep ocean plains

Oceanography -An Outline

Subject:Earth Sciences
Paper:Origin of Ocean Basins

OG- 24| Oceanography | Ocean bottom relief for UPsC and state PSC |

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इस वीडियो से आज हम समुन्द्र विज्ञान प्रारम्भ करेंगे। आप से निवेदन है कि वीडियो को पूरा देखेंगे तो आप बहुत सारी चीजें सीखेंगे।

Topic covered in Oceanography
1- Ocean Bottom Relief (महासागर नितल)
2- महासागरीय तरंग और धाराएँ( Ocean waves and Current )
3- Ocean temperature (महासागरीय तापमान)
4- Salinity of Oceans (महासागरीय लवणता)
5- Coral reefs (प्रवाल भित्ति)

Topic covered in this video
1- Continental Shelf (महाद्वीपीय निमग्न तट)
2- Continental Slope (महाद्वीपीय ढाल)
3- Continental Rise (महाद्वीपीय उत्थान)
4- Abyssal Plain ( नितल मैदान)
5- Oceanic Ridges ( जलमग्न कटक)
6- Abyssal Hills ( नितल पहाड़ियां )
7- Trenches (गर्त)
8- जलमग्न कैनियन(Submarine Canyons)
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