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2.3.9 Question Which has a larger flow, the world's largest river (Amazon) or the world's largest ocean current (West Wind Drift)? Ocean currents are created by wind, water temperature, salt content, and the gravity of the moon.The current's direction and speed depend on the shoreline and the ocean floor. Global warming is speeding up Earth's massive ocean currents Important ones are Somali Jet and The African Easterly jet or Tropical Easterly Jet. The Somali Current is notable for its high speeds of up to 200 cm/s and has a transport of Similarly, at the 850-hPa wind the enhanced Somali CEF and weakened trade winds in the eastern Indian Ocean and southern tropical western Pacific north of Australia, along with the intensified easterly in the northern subtropical western Pacific, are still prominent, although the significant domain is much smaller. in the central equatorial Indian Ocean. The two cold currents—East Greenland current and the Labrador current—flow from the Arctic Ocean into the Atlantic Ocean. The California Current is an example of an . The world's oceans have a huge capability of absorbing and transporting heat trapped in the atmosphere as a result of excess carbon emissions from human activities. Seasonal Cycle and Annual Reversal of the Somali Current ... From June to September, the North-Equatorial current is replaced by an easterly movement of water because of the South-west Monsoon wind. 14. Indian Counter Current (Warm): Indian counter current is originated during win­ter season (northern hemisphere). (PDF) The Ocean Currents - ResearchGate Indeed, scientists have noticed worldwide rising . The streams of water that flow constantly on the ocean surface in definite directions are called ocean currents. Most surface currents move water in the horizontal and vertical direction in the top layer above . 1 Introduction. There are surface ocean currents in all of the Earth's oceans. Southern Ocean current flows faster than Amazon. . Somalia's 3,333 kilometer coastline is the largest in mainland Africa and endows the country with considerable marine resources. The Labrador current flows along part of the east coast of Canada and meets the warm Gulf Stream. As of 2016, more than 1.1 million Somali refugees were hosted in the region, mainly in Kenya, Yemen, Egypt, Ethiopia, Djibouti, and . . Strong eastward equatorial currents in the upper ocean lasted more than one month from late November 2011 to early January 2012. Somalia: The Richness of Somalia's Marine and Coastal ... PDF H: Indian Ocean - SWFSC Publications Search Ocean Currents in Indian Ocean - Imp.center Currents flow in complex patterns affected by wind, the water's salinity and heat content, bottom topography, and the earth's rotation. As if flows, water is deflected to the right in Northern . The results show a Somali Current flowing to the south during the winter monsoon carrying −11.5 ± 1.3 Sv (1 Sv ≡ 10 6 m 3 s −1) and −12.3 ± 0.3 Sv from WOA05 and Argo, respectively. They are classified into three-part i.e. Ocean Currents - University of Colorado Boulder Ocean Currents. This current is one among a series of boundary currents which move along the earth's continents. South-West Monsoon Drift originates in summer. The progress of the southwest monsoon towards India is greatly aided by the onset of Somali jet that transits Kenya, Somalia and Sahel. Water can only get out one of two ways: via the deep, from the Norwegian Sea towards the Atlantic, or on the surface thanks to the Greenland and Labrador Currents. Examine the given statements and correct the wrong ones. (a) Ocean currents give specific direction and velocity to the water. Because carbon dioxide (CO 2) is less soluble in warm water, that could slow the ocean's uptake of CO 2 from the atmosphere. Ocean water is on the move, affecting your climate, your local ecosystem, and the seafood that you eat. The monsoon currents are the seasonally reversing, open-ocean currents that flow between the Arabian Sea and the Bay of Bengal, the two wings of the north Indian Ocean. Its topics include ocean currents, the circulation of deep water, the . When it gets about 10-15 km (6-9 miles) above the Earth surface it starts to flow away from the equator and towards the poles. Utility of ocean currents for seafarers in recorded history - e.g., use of Gulf Stream for trans-Atlantic trade 12. Equatorial currents flow at 3-6 km per day and usually extend 100-200 m below the surface. Dynamic Ocean Topography (952 kbyte mpeg) This current flows in easterly direction between 2°-8°S latitudes from Zan­zibar to Sumatra. The Indonesian Throughflow is the transport of warm and fresh Pacific waters into the Indian Ocean via the Indonesian seas, and it has a major impact on the mass, heat, and freshwater budgets of the South . Chapter 9 42 Terms. Seasonal flows in shallow shelf seas (around the world) and implications for pollution/biology 10. 3. The Somali Current responds quickly to the onset of See current wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. (d) Ocean currents hold great importance for human life. Balbharati solutions for Geography 8th Standard Maharashtra State Board chapter 5 (Ocean Currents) include all questions with solution and detail explanation. Ocean Wave, The Currents : 4 currents of North Atlantic Ocean Gyre. These currents, which flow under the surface of the ocean and are thus hidden from immediate detection, are called submarine rivers. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Hence it takes longer Indian Ocean with the subtropical northern limit prevents a northward heat export, permitting only a weak ventila-tion of the thermocline from the north (Schott and others, 2009). Northeast Monsoon (winter) Southeast Monsoon (summer) The Atlantic, Pacific, & Indian Oceans all have equatorial . Drift, Current, and Stream on the basis of the direction of flow, speed, and shape. IlyJai. The eastern boundary current of the Indian subtropics, the Leeuwin Current, is an anomaly compared with other oceans - it flows poleward. The annual cycle and timing of the reversal of the Somali Current differ depending on the location along the coast of northeastern Africa. JMcCray32. Unlike other strong western boundary currents, the Somali Current reverses seasonally; its reversal has been attributed to the seasonally reversing Indian monsoon wind. Somali Current (warm) Mozambique Current (warm) Agulhas Current (warm) Eastern Canary Current (cold) Benguela Current (cold) California Current (cold) Peru Current West Australian Current (cold) Antarctic Circumpolar Current The Antarctic Circumpolar Current (ACC) is an ocean current that flows clockwise from west to east around Antarctica. So while the Antarctic Ocean forms a sort of roundabout for the world's oceans, the Arctic Ocean is a cul de sac where the water flow is turned back. 2. Some currents flow for short distances; others cross entire ocean basins and even circle the globe. Its selection of articles—all written by experts in their field—focuses on key ocean current concepts. Equatorial currents. Flows counterclockwise along western Canadian coast and Aleutian Islands (warm along Canadian coast and cold along Aleutian Islands) . Its maritime zone possesses one of the most important large marine ecosystems—the Somali Current Marine Ecosystems—in the Indian Ocean. The California Current is an ocean current in the North Pacific which runs along the West Coast of the United States, moving to the south until it hits Baja, at which point it starts to drift westward. Why is the Somali current unusual? Currents in the Great Whirl extended to 3500 m depth. Ocean current is a continuous general movement of Ocean Water in a specific direction. 2. OTHER SETS BY THIS CREATOR. What is the overall direction of global air currents at the equator? Data from: Seasonal cycle and annual reversal of the Somali Current in an eddy-resolving global ocean model Cite This Work . In the model, the low-pass filtered velocity has a large STD for . An . Greater values of gravitational forces cause the sinking and subsidence of water at the poles. the eastward-flowing Equatorial Counter Current and the whole eastward flow from 7 to 15 °N is called the monsoon current. Currents. What are Ocean Currents? Ocean currents are also critically important to sea life. This current is heavily influenced by the monsoons and is the only major upwelling system that occurs on a western boundary of an ocean. Depending upon their temperature, ocean currents can be classified into warm currents and cold currents. The Florida Current is a strong oceanic current flowing northward along the eastern coast of Florida carrying warm tropical waters that eventually feed the Gulf Stream. a strong current flows from west to east in the summer season. Ocean Currents is a derivative of the Encyclopedia of Ocean Sciences, 2nd Edition and serves as an important reference on current ocean current knowledge and expertise in one convenient and accessible source. The width of the Somali Current at the Equator has been estimated at 9 km and What is the general direction of the […] Thermohaline circulation, also known as the ocean's conveyor belt, refers to the deep ocean density-driven ocean basin currents. Insecurity, drought, floods, food shortages, and a lack of economic opportunities are the driving factors. . This article will dive into the topic of what is Ocean current? 4. Surface . The Summer Monsoon Current (SMC) flows eastward during the summer monsoon (May-September) and the Winter Monsoon Current (WMC) flows westward during the winter monsoon (November-February). South Equatorial Current (Warm): South equatorial current flows from the western coast of Africa to the eastern coast of South America between the equator and 20° S latitude. Coriolis forces cause the ocean currents to be deflected right in the Northern Hemisphere, e.g., Gulf Stream and Kuroshio Current; and left in the Southern Hemispheres. What are five factors that affect current flow? When ocean levels rise and fall at regualr intervals during the course of the day. November 29, 2021. The Ocean Currents consist of horizontal and vertical components of the circulation system of ocean waters that is produced by gravity, wind friction, and water density variation in different parts of the ocean. O riginating in the South Atlantic and Caribbean Sea, the Florida Current is formed when the Gulf of Mexico Loop Current and the Yucatan Current come together. Authors: He Wang - Scripps Institution of Oceanography (SIO) The prerequisite for the instability analysis is the determination of the basic flow (Pedlosky, 1987), where by definition, the basic flow is the flow that is not disturbed by the eddy flow. Between 2°-8°S latitudes from Zan­zibar to Sumatra which flow under the surface for 8th! Atlantic ocean ; others cross entire ocean basins and even circle the globe is an eastern current. Cycle of the Somali jet forces major upwelling system that occurs on a boundary... The major oceans of the World & # x27 ; Horn of Africa from to. 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