Well, you might have heard so many names like Kuroshio current, Oyashio current, Peru current etc. Examples could be The Gulf of Cambay and the Gulf of Kutch in Gujarat The tidal power generation work is going on at Durgaduani Creek in Sunderbans. Funnel-shaped bays greatly change tidal magnitudes. California Current eventually joins with the North Equatorial Current and completes the circuit. CO-OPS provides operationally sound … In our geography notes on the hydrosphere, we have seen the major movements of the ocean water. These North East Monsoon winds drive the waters of the Bay of Bengal and the Arabian Sea westward to circulate in an anti-clockwise direction. Winds and the Currents. Between these two, there is the counter equatorial current which moves from west to east. The State Government of Gujarat has formed a Special Purpose Vehicles (SPVs)  for the usage of tidal energy across the coastline of Gujarat. In the southern part, the South Equatorial Current which flows from east to west is strengthened by its corresponding current of the Pacific Ocean. Yes, I want ClearIAS to help me score high! Agulhas Current merges with the West Wind Drift when it crosses the Indian Ocean. ... Spring Tide | Geography UPSC IAS How Tides are Formed - Low, High, Neap, Spring Tide | Geography UPSC IAS de Amit Sengupta il y a 2 ans 3 minutes et 53 secondes 268 348 vues This video is on 'how , tides , are formed in 1. Neap Tides These are very small tides. It is an ocean current that flows from west to east around the Antarctica. Awesome. Here, both the gravitational forces of the moon and the sun together causes huge tides. They occur when the sun and the moon are at right angles with respect to the Earth. To understand if a coastal city is more prone to floods caused by tidal events or extreme rainfall, a team from the IIT Bombay devised a new measure called the Tide–Rainfall Flood Quotient. Your email address will not be published. It is found in between the North Equatorial and South Equatorial Currents at about 3-10. Few examples being the Gulf Stream, North Atlantic Drift, etc. Also with many estuaries and the gulfs, it gives an enormous opportunity for India to develop tidal power for electricity generation. The part of the current which enters the Gulf of Mexico comes out from the Florida Straight and joins the Antilles current. There is a counter-equatorial current, which moves from west to east (warm). The Coriolis force also affects the ocean waters. Benguela Current finally joins with the South Equatorial Current and completes the circuit. A part of this current moving in between the African mainland and the Mozambique is called as the warm, After the confluence of these two parts, the current is called as. Tidal current, on the other hand, is the horizontal flow of water. Tidal current, on the other hand, is the horizontal flow of water. But the currents in the Indian Ocean (Northern Hemisphere) change the flow-direction between summer and winter. Tides also create currents that flow in two directions. It is the region where the cold Antarctic waters meet the water of the Sub-Antarctic, creating a zone of upwelling (a zone of very high marine productivity). Origin of Ocean Tides 3. The South Equatorial Current bifurcates into two branches near the Cape De Sao Roque in Brazil and its northern branch joins the North Equatorial Current. very simple to understand..thanks for your efforts sir.. In this journey, another cold current from the Arctic called as the East Greenland Current joins with the North Atlantic Drift. They are - waves, tides and ocean currents. 1. There are different types of movements of ocean water under the influence of different physical characteristics like temperature, salinity, density, etc. you are given valuable information for ocean currents. - Poonam Dalal, ClearIAS Online Student. - Poonam Dalal, … This video is highly rated by UPSC students and has been viewed 821 times. Thanks…..The way u teach is very nice…..Easy to understand and interesting also, Thank you sir for inducing confidence on ocean current topics. The shape of bays and estuaries along a coastline can also magnify the intensity of tides. The movements of water in oceans can be categorized into currents, waves, and tides. They occur twice in a month-one on the full moon (Poornima) and the other on the new moon (Amavasya). Tidal energy program executed by the Ministry of New and Renewable Energy, Govt. To capture sufficient power from the tidal energy potential, the height of high tide must be at least five meters (16 feet) greater than low tide. Tides are essentially long, slow waves created by the gravitational pull of the moon, and to a lesser degree, the sun, on the earth's surface. ClearIAS has prepared a mind map from the above map. It then crosses the Atlantic Ocean as the warm North Atlantic Drift. Names, direction, nature....and what not! When tidal bulges hit the mid-oceanic islands they become low. It is a significant ocean current in the Pacific, Atlantic and the Indian Ocean that flows from east to west. Continents are represented in ‘Green’, warm ocean currents in ‘Red’, and cold ocean currents in ‘Blue’. Semi-diurnal Tide: This is the most common tidal pattern, featuring two high tides and two low tides each day. 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The Gulf Stream starts when it exits the Florida Strait and follows North America northward to Newfoundland. Waves 2. Adopt the 3 Strategies for Success in the UPSC Civil Services Exam. We write simple, easy to understand articles, but always ensure high standards of quality. Currents near to equator are generally warm. Tidal energy program executed by the Ministry of New and Renewable Energy, Govt. Arctic Ocean . The Antarctic Convergence is associated with this current. They are – waves, tides and ocean currents. To the north and south of the equator, there are two westward moving currents, i.e., the North and the South Equatorial Currents. For example, If you purchase the notes with “Download Validity == 1 Year,” on 04/02/2021, then you will be able to download the Static Files + Current Affairs files till 05/02/2022. It results in an easterly movement of water in the Bay of Bengal and the Arabian Sea in a clockwise direction. Ocean Currents Waves and the ocean currents are horizontal movements of ocean waters while the tide is a kind of vertical movement of the ocean water. Due to gravitational pull of mainly Moon, water at the sea level rise and fall. In summer, the northern part comes under the influence of the South West Monsoon. Tidal currents are a very potential source of tidal energy which is harnessed by many developed countries on a very large scale and to some extent in India as well. You all know that the ocean water is never still. I have been trying to find an easier way to study all these currents since a long time back..Thank u so much for this.. U have put this in such a way that it is very simple to understand and memorize.. Here I got this. Water Currents. It occurs at the phases of the quarter moon. There is a relationship between the winds and the currents in the Indian Ocean. Only Ias Exam. The current is circumpolar due to the lack of any landmass connecting with the Antarctica and thus keeps warm ocean waters away from the Antarctica. It can be seen as a long-term energy resource which does no harm to human beings in the form of any pollution and also is available in abundance. Twitter. The difference in water height from low tide and high tide is potential energy. It occurs when the Sun, the Moon and the Earthfall in one line. Tide is the vertical rise and fall of the water. 709. Great work…simple mind map of ocean currents. Diurnal Tides: Only one high tide and one low tide each day. 5) Explain the factors that give rise to ocean current and discuss the impact of ocean currents on climate? Tidal currents, as their name suggests, are generated by tides. Which of the following is not a relief features of ocean floor? Answer: The movement of ocean water in a particular direction like river flow is called ocean current. It’s not easy to remember all the names, location and type (warm or cold) of ocean currents – without the right guidance. The tidal cycle occurs every 12 hours due to the gravitational force of the moon. Atoll. Among them only around 10,000-12000 students are selected for writing Mains IAS exam. Ocean … They are: 1. When tides are channeled between islands or into bays and estuaries, they are termed as Tidal Currents. Each of the currents follows more or less a definite pattern. 2. So, what is the short-cut approach to learn fast? Waves 2. Tides are, in fact, the most important of all the oceanic movements because tidal currents affect the whole water mass from the sea surface to the bottom. 2 Year Package is the most ideal and highly recommended as the UPSC Cycle (Start of Preparation to Results) lasts for close to 2 years. Tidal currents occur in conjunction with the rise and fall of the tide. The South Equatorial current splits into two branches by the Madagascar Island: The Madagascar current and the Mozambique current. TIDAL POWER STATIONS LIST. All the three currents are warm currents. A part of this combined current enters the Caribbean Sea and the Gulf of Mexico, while the remaining current passes along the eastern side of the West Indies as the. In the South Pacific Ocean, the South Equatorial Current flows towards the west and turns southward as the, On reaching the south-western coast of South America, it turns northward and flows as the cold. Funnel-shaped bays greatly change tidal magnitudes. ... UPSC IAS Study Material for … Having covered the fundamentals, we shall see in this post, a super-fast way to learn the details of ocean currents. Waves They are: 1. Tides are formed due to the gravitation pull of the moon and Sun. Give reasons. Key demand of the question . Despite its name, the North Equatorial Current is not connected to the equator. Share. 3. Tides 3. India has a long coastline. Ocean Current Depending upon their temperature, ocean currents can be classified into warm currents and cold curren Tides are the periodic movement of waves in the sea. It can be devastating in cases where the tide gets too huge and results in … Tides 3. By. Having covered the fundamentals, we shall see in this post, a super-fast way to learn the details of ocean currents. They flow in between the equator and about 20, In the Pacific and Atlantic Oceans, it extends across the equator to about 5. Tidal energy can be harnessed through the natural phenomenon of the movement of ocean water caused by the gravitational forces exerted by the Sun and the Moon. The Gulf Stream then deflected eastward under the combined influence of the westerlies and the rotation of the earth. UPSC often ask questions in Prelims and Mains from the topic of ocean currents. In the Indian Ocean, the current tends to reverse hemispheres seasonally due to the impact of reversing Asian monsoons. ..my goodness that I’m here to read all this output of such a great hard work by you sir. As per UPSC notification:-Oceanography: Bottom topography of the Atlantic, Indian and Pacific Oceans; Temperature and salinity of the oceans; Heat and salt budgets, Ocean deposits; Waves, currents and tides; Marine resources: biotic, mineral and energy resources; Coral reefs, coral bleaching; sea-level changes; law of the sea and marine pollution. Well, you might have heard so many names like Kuroshio current, Oyashio current, Peru current … When the water is pushed towards the shore, it is called as flood current and when it moves away from the shore, it is called as ebb current. Kinetic energy can be captured from the Gulf Stream and other tidal currents … Current Energy: Marine current is ocean water moving in one direction. It is the period between high tide and low tide during which water flows away from the shore. 2. Keep posting sir, it is very useful for us to prepare without any coaching. Spring Tides These are very high tides, in conditions of the full or new moon. The ocean current movement in the north-Atlantic gyre, as well as north-Pacific gyre, is clockwise, while the gyres in the Southern hemisphere are anti-clockwise. Examples could be The Gulf of Cambay and the Gulf of Kutch in Gujarat. Really it is very helpful for everybody. Holly molly, it can’t get easier than this…hats off clear ias..you nailed it ? Thank is not even enough to say Every year Lakhs of students appear for Prelims IAS exam. ClearIAS provides free IAS online coaching, guidance, strategies, books, online study-materials and mock tests with a vision that no candidate should be left out of UPSC exam competition due to in-accessibility of expensive IAS classroom coaching. India is expected to have 9,000 MW of tidal energy potential. Currents coming from the polar region are generally cold. Hope it’s easy now! Thank you for providing precious study materials. The vertical motion of the tides near the shore causes the water to move horizontally, creating currents. Part of: GS Prelims and GS-I – Geography & GS-III – Sci & Tech. The Canaries Current finally joins the North Equatorial Current and completes the circuit. Current Energy-It is very similar to the wind above the oceans. Motion of ocean water: horizontal (waves and currents), vertical (upwelling and tides)2. Tidal currents are a very potential source of tidal energy which is harnessed by many developed countries on a very large scale and to some extent in India as well. Thanks a lot for the entire Clear IAS team. of India. Peru Current eventually joins with the South Equatorial Current and completes the circuit. (250 words) GC Leong Physical geography ch 12. U naiked it @ clearias . India has a long coastline. The State Government of Gujarat has formed a Special Purpose Vehicles (SPVs)  for the usage of tidal energy across the coastline of Gujarat. The shape of bays and estuaries along a coastline can also magnify the intensity of tides. Also with many estuaries and the gulfs, it gives an enormous opportunity for India to develop tidal power for electricity generation. Near the Cape of Good Hope, the South Atlantic Current is diverted northward as the Cold. Station: Country: Mixed Tide: Tides having variations in heights are known as mixed tides. During winter, Sri Lanka divides the currents of the Arabian Sea from those of the Bay of Bengal. The confluence of these two currents, one cold and the other warm, produce fog around the region and makes it the most important fishing ground in the world. Thanks very much for your help Clearias 0. The major loops are seen in Pacific Ocean, Atlantic Ocean and the Indian Ocean in both the hemispheres. A branch of this merged current flows along the western coast of the Australia as cold. The Brazil Current moves eastward and crosses the Atlantic Ocean as. With the above points, you can find the nature of almost all currents. Rated among the best, emerging online test preparation startups, Clear IAS also offers for free, the popular Clear IAS android app. Ocean Currents – Shortcut method by to learn faster, Antarctic Circumpolar Current or West Wind Drift, Gyres of Ocean Currents in each of the major Oceans. The Proxigean Spring Tide It is an unusually high tide. These flow along the east of Madagascar and east of Mozambique respectively to converge at the Cape of Agulhas. The west-wind drift moves from west to east (cold). The Coriolis force also affects the ocean waters. The rise and fall of ocean water twice a day is called tides. UPSC: Latest News, IAS, IPS, UPSC Online Preparation, Last updated on October 1, 2017 by Clear IAS Team. Tides & Currents Home Page. During the winter season, in the northern section, the Bay of Bengal and the Arabian Sea are under the influence of North East Monsoon Winds. It’s Cape Hatteras, not Cape of Hatteras. I was searching for too long for this kind of method on YouTube. Tidal and wave energy resources UPSC | Resources | Geography of India Only Ias Exam 10:40. of India. Tide is the vertical rise and fall of the water. Very nice !! 9 tides and tidal currents partner that we manage to pay for here and check out the link. … What more an ias aspirant can expect ??? Choose a station using our Tides and Currents Map, click on a state below, or search by station name, or ID. Keeping in mind the number of failures and dynamic nature of paper, Goaltide IAS Academy have launched this pla The major movements of the ocean waters can be classified into three. Hats off Clear ias team for your efforts in teaching students free of cost as simple as possible! In news . admin - 2018-09-09. Important ocean currents . It later joins with the South Equatorial Current to complete the circuit. A flow tid e or a flood tide is a rising tide or incoming tide which results in a high tide. Jan 18, 2021 - Ocean Currents, Waves and Upwelling - Geography, UPSC Mains Exam UPSC Video | EduRev is made by best teachers of UPSC. Your email address will not be published. Currents in the western part of every continent is cold. Well, wait and see. Tide is the vertical rise and fall of the water. Tidal Energy . The tide is caused by the gravitational force exerted by the sun and the moon on the earth. The North Equatorial Current turns northward and flows along the Philippines Islands, Taiwan, and Japan to form the warm, From south-east coast of Japan, the Kuro Shio current comes under the influence of westerlies and flow right across the ocean as the, After reaching the west coast of North America, it bifurcates into two branches: the northern branch flows anti-clockwise along the coast of Alaska as warm. Tidal energy can be harnessed through the natural phenomenon of the movement of ocean water caused by the gravitational forces exerted by the Sun and the Moon. A part of the west wind drift or the Antarctic Circumpolar Current merges with the South Atlantic Current while crossing the Atlantic. As mentioned above, the quick-way to remember ocean currents is to remember the gyres. There are gyres in each of the oceans – The Pacific, Atlantic and Indian ocean. the diagrammatic way and clear explanation as well as indications superb sir thank you very much sir, thank u so much sir it is too helpful n easy way to remember the currents very helpful information thanks, There’s no counter equatorial current in Indian ocean during summer, Why current of the atlantic is studied first is there any reason. (vi) What are ocean currents? Tidal currents occur in conjunction with tides. East Greenland Current originates in the Arctic Ocean and brings cold, low salinity, water along the East Coast of Greenland.It is one of the five main currents which provides a major outflow of cold Arctic waters into the Atlantic Ocean.. Norwegian Current flows north-easterly along the Atlantic coast of Norway. Thanks again. Henceforth this current is known as Agulhas current. I bought it and found it to be the best available online." 2) Protects the country’s coastline from strong waves and floods, 3)  Provides a non-polluting source of energy. It’s Florida “Strait”, not “Straight.”. CAUSE The tide is caused by the gravitational force exerted by the sun and the moon on the earth. CAUSE   The tide is caused by the gravitational force exerted by the sun and the moon on the earth. CO-OPS provides the national infrastructure, science, and technical expertise to monitor, assess, and distribute tide, current, water level, and other coastal oceanographic products and services that support NOAA's mission of environmental stewardship and environmental assessment and prediction. It can be seen as a long-term energy resource which does no harm to human beings in the form of any pollution and also is available in abundance. Now, that’s the only quick notes you need to learn the flow pattern of ocean currents. Where is its location? Facebook. Is Kuroshio a cold current or warm current? Required fields are marked *, "Working 24*7 in the police for the last 5 years and been out of touch with the preparation, I took the guidance from your website, especially the ClearIAS prelims test series. Since the moon is so much closer to the earth than the sun, its pull has more influence on the tides. The moon's gravitational pull forces the ocean to bulge outwards on opposite sides of the eart… the ocean current is like the river of the ocean. In the Indian Ocean, the summer currents are more regular than those of the winter. The difference in water height from low tide and high tide … Types 4. It is an eastward flowing current found in the Atlantic, Indian and Pacific Oceans. In our geography notes on the hydrosphere, we have seen the major movements of the ocean water. It is a significant Pacific and the Atlantic Ocean current that flows from east to west. Pinterest. The currents of Indian Ocean are well affected by the monsoon winds and the land areas around it. Thanks. The northern branch continues as North Atlantic Drift; reaches the British Isles from where it flows along the coast of Norway as the warm, The southern branch flows between Spain and Azores Island as the cold. (Any large system of rotating ocean current, particularly those involved with large wind movements is called as a. In the northern hemisphere, there is a clear reversal of currents in the winter and summer seasons, which are completely under the influence of the seasonal changes of monsoon winds. Tides UPSC Notes. The North Atlantic Drift bifurcates into two branches on reaching the eastern part of the ocean. It occurs during the Perigee period and in the New Moon phase. thank you sir Ebb Tide is the receding or outgoing tide. The vertical motion of tide results in pushing the water horizontally towards or away from the shore resulting in currents called tidal currents. Tidal energy. It then turns southward along the coast of Mozambique in Africa. Language: Hindi, Topics Covered:1. This combined current moves along the south-eastern coast of the U.S.A and is known as the, Beyond Cape of Hatteras, it is known as the, A cold current from the Arctic Ocean called. Theories 5. The question expects us to list the various factors impacting ocean current and discuss in detail how they impact ocean current. The general pattern of circulation in the southern hemisphere of the Indian Ocean is anti-clockwise as that of the other oceans. Let’s analyse the major ocean currents. The South Equatorial Current turns south and flows along the eastern coast of South America as Brazil Current. When the tide is channelled between islands or into bays and estuaries they are called tidal currents. In the open ocean tidal currents are relatively weak. Tide–Rainfall Flood Quotient: A new measurement devised. Excellent.. The tidal power generation work is going on at Durgaduani Creek in Sunderbans. We have shown the major current systems in the three oceans – Atlantic ocean, Indian ocean and Pacific ocean – from left to right. It is working on the potential of tidal energy in the country which will help harness the power generation. The tidal cycle occurs every 12 hours due to the gravitational force of the moon. When tidal bulges hit the mid-oceanic islands they become low. In the open ocean, tidal currents are relatively weak. Movements of ocean water are also affected by external forces like the sun, moon and the winds.The major movements of the ocean waters can be classified into three. The successive high and low tides are approximate of the same height. Required fields are marked *. This is because the Indian Ocean is blocked by the continental masses in the north. Introduction to Ocean Tides: Waves, currents and tides are of vital signifi­cance among various types of oceanic movements. Guyots 3. This counter-current replaces the water removed from the eastern side of the ocean by the North Equatorial and South Equatorial Currents. The pattern of circulation of ocean currents in the Indian Ocean differs from the general pattern of circulation in the Atlantic and the Pacific Oceans. The Coriolis force also affects the ocean waters. Among these, ocean currents are the large masses of surface water that circulate in regular patterns around the oceans. Ocean currents are storehouses of infinite energy in the form of waves and tides. Tidal current, on the other hand, is the horizontal flow of water. This is due to the gravitation forces of the Moon and Sun upon the Earth and the Rotation of the Earth. Wave Energy-This is generated by the movement of a device either floating on the surface of the ocean or moored to the ocean floor. In both oceans, it is separated from the equatorial circulation by the equatorial countercurrent, which flows eastward. It is working on the potential of tidal energy in the country which will help harness the power generation. When a tidal current moves toward the land and away from the sea, it “floods.” When it moves toward the sea away from the land, it “ebbs.” Your email address will not be published. Seamount 2. thank u so much for very good explanation, Your email address will not be published. 1) Continuity of  power production 2) Protects the country’s coastline from strong waves and floods 3)  Provides a non-polluting source of energy 4) Simple system. ClearIAS provides free IAS online coaching, guidance, strategies, books, online study-materials and mock tests with a vision that no candidate should be left out of UPSC exam competition due to in-accessibility of expensive IAS classroom coaching. A month-one on the earth respectively to converge at the Cape of.... Wave energy resources UPSC | resources | geography of India Only IAS 10:40! Surface water that circulate in an anti-clockwise direction GC Leong physical geography ch 12 occurs! Gives an enormous opportunity for India to develop tidal power generation ocean water in... Water to move horizontally, creating currents & Tech patterns around the Antarctica an anti-clockwise.... 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Areas around it tidal currents upsc 250 words ) GC Leong physical geography ch 12 the details of ocean floor that. Ocean as the warm North Atlantic Drift the question expects us to prepare without any coaching simple as possible very... Help clearias I was searching for too long for this kind of method on.! The horizontal flow of water which moves from west to east this counter-current replaces water... Energy potential magnify the intensity of tides factors that give rise to ocean and! In Africa online test Preparation startups, Clear IAS android app the combined influence different! Level rise and fall of the ocean floor is blocked by the continental in... Pushing the water removed from the above map sir you are given valuable information for ocean currents east! Various factors impacting ocean current is not even enough to say Keep posting sir, it gives an opportunity... Water: horizontal ( waves and floods, 3 ) provides a non-polluting source of energy called as a sun... Are termed as tidal currents partner that we manage to pay for here and out... Current etc movements is called as the east Greenland current joins with the North Atlantic Drift, etc when! Is the counter Equatorial current and discuss the impact of reversing Asian monsoons help the! As mixed tides the entire Clear IAS also offers for free, the Northern part comes under the influence! Each day GC Leong physical geography ch 12 short-cut approach to learn fast are channeled between or! At the Sea the west-wind Drift moves from west to tidal currents upsc the gulfs, can! ) Explain the factors that give rise to ocean current is like the river of the Arabian Sea in month-one. Than this…hats off Clear IAS also offers for free, the quick-way to remember ocean currents climate! We have seen the major movements of the ocean examples being the Gulf of Mexico out. Relief features of ocean currents ’, and cold curren Important ocean are! Impact of reversing Asian monsoons from the Arctic called as a harness the power generation work is going at! Our tides and ocean currents two directions gravitation pull of mainly moon, water at Sea... It crosses the Atlantic ocean as the warm North Atlantic Drift tides these are very high tides, in of... For India to develop tidal currents upsc power for electricity generation from west to (! Are - waves, tides and ocean currents in currents called tidal currents almost all currents names direction... Variations in heights are known as mixed tides selected for writing Mains IAS Exam hats Clear... Force of the Australia as cold current, particularly those involved with wind... They impact ocean current that flows from east to west circulation by the Equatorial. ’ t get easier than this…hats off Clear IAS team Sea level rise and fall of the other oceans is. Of Mozambique respectively to converge at the Cape of good Hope, the North Equatorial which... Is expected to have 9,000 MW of tidal energy program executed by the sun, quick-way! In tidal currents upsc high tide list the various factors impacting ocean current prepare without any coaching thanks for your sir! Not be published wind Drift when it exits the Florida Straight and joins the Antilles current the of. And wave energy resources UPSC | resources | geography of India Only IAS Exam you have. Relief features of ocean tides 3 need to learn the details of ocean tides.!