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Title      : MSGE-202 Oceanography
Subject      : Geography
copyright © 2018   : Karnataka State Open University
Author      : KSOU
Publisher      : Karnataka State Open University
Chapters/Pages      : 16/145
Total Price      : Rs.      : 105
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Submarine Topography Total views (191)  
The term relief or" topography" implies the study of numerous landforms that exist on or below the earth The surface beneath the water is characterized by a great diversity relief features i.e. the towering mountain chains, deep canyons, flat, plains, oceanic ridges, trenches, islands seamounts. Apart from the size and shape of oceans which are the most impressive characteristics, the depth of the ......
Pages: 7
Price: Rs 0   
Distribution of Land and Water Total views (193)  
The detailed knowledge about the pattern of the land water distribution brought in to the fore front of the overwhelming importance and extent of reason on the earth's surface. The hydrosphere covers nearly 3/4 of the earth's surface area as a vast expanse of water surroundings four great insular land masses known as continents. Thus there is a total land area of 148,892,000 sq.kms and a total wat ......
Pages: 9
Price: Rs 6.75   
Hypsographic Curve Total views (193)  
The hypsographic curve is the representation of topography and relief in relative values with reference to the sea level. The magnitude of elevations or depressions thus represented brings out clearly relative importance found in the depths of the sea and on the land surface. It also shows the areas occupied by different depths and heights on the surface of the oceans. The structure, configuration ......
Pages: 9
Price: Rs 6.75   
Submarine Topography of the Atlantic, Pacific and Indian Oceans Total views (193)  
The Atlantic ocean which is 'S ' shaped, extends latitudinally from the Davis Strait in the north to Antarctic in the south (60degree s latitude) through a distance of 16,000 kms. The east west extend of the ocean is greatest along the tropic of Cancer (23 Y, N) the coast of Africa and Mexico. The Atlantic Ocean occupies about 1/3 of the area of the earth's water cover and about 1/5 (20%) of the e ......
Pages: 9
Price: Rs 6.75   
Ocean Water: Temperature Total views (194)  
The temperature of the oceanic water is important for marine organisms including plants ęphytoplanktons) and animals (zooplanktons). The temperature of sea water also affects the climate of costal lands and plants and animals therein. The study of both, surface and subsurface temperature of sea water is significant. Standard type of reversing thermometers and thermographs are used to measure the s ......
Pages: 10
Price: Rs 7.5   
Salinity of the Ocean Total views (192)  
Different bodies of water have different amounts of salt mixed in, or different salinities. Salinity is expressed by the amount of salt found in 1,000 grams of water. The average ocean salinity is 35 ppt. This number varies between about 32 and 37 ppt. Rainfall, evaporation, river runoff, and ice formation causes the variations. For example, the Black Sea is so diluted by river runoff; its average ......
Pages: 9
Price: Rs 6.75   
Ocean Water: Pressure Total views (195)  
Even though we do not feel it, 14.7 pounds per square inch (psi), or 1kg per square cm, of pressure are pushing down on our bodies as we rest at sea level. Our body compensates for this weight by pushing out with the same force. Since water is much heavier than air, this pressure increases as we venture into the water. For every 33 feet down we travel, one more atmosphere (14.7 psi) pushes down on ......
Pages: 7
Price: Rs 5.25   
Ocean Currents Total views (193)  
An ocean current is a continuous, directed movement of ocean water generated by the forces acting upon this mean flow, such as breaking waves, wind, Coriolis effect, cabbeling, temperature and salinity differences and tides caused by the gravitational pull of the Moon and the Sun. Depth contours, shoreline configurations and interaction with other currents influence a current's direction and stren ......
Pages: 9
Price: Rs 6.75   
Currents of Atlantic Ocean Total views (193)  
The ocean water over the surface has been classified into four oceans like Pacific, Atlantic, Indian and Arctic. In this unit we are going to discuss the type of Ocean Currents of Atlantic Ocean.
Pages: 11
Price: Rs 8.25   
Currents of Pacific and Indian Ocean Total views (193)  
In this unit you are going to learn about the location, extent of Pacific and Indian Ocean. You can notice the similarities of currents in Atlantic and Pacific Ocean. You will also come to know that how and why currents will change their directions in North Indian Ocean.
Pages: 13
Price: Rs 9.75   
Tides- Causes, types and Theories Total views (192)  
In the previous unit, we have studied about ocean water circulation. Ocean Tides are also among various types of motions in the ocean. Ocean tides are also effecting on man. There are several theories regarding the origin of tides.
Pages: 16
Price: Rs 12   
Ocean Deposits and Types Total views (194)  
The term ocean or maritime deposits refers to all the materials that are being deposited on the bottom of the sea or ocean. These unconsolidated materials were deposited on the ocean floor by rivers, wind, glaciers, ocean waves etc., It also consist of plants, animals remains etc., In 1773, Captain Phipps for the first time has attempted to study the materials of the ocean depth. The actual develo ......
Pages: 8
Price: Rs 6   
Distribution of Ocean Deposits Total views (193)  
Various agents of gradation erode the land forms and bring the sediments and deposits in the ocean. The other activities like volcanoes, marine organisms, vegetation are also responsible for the formation of ocean deposits. The nature and the character of the sea water have an important effect on deposition. Ex: Temperature of the water, marine organisms, the depth of the sea, etc.; at certain ext ......
Pages: 4
Price: Rs 3   
Coral reefs and Islands Total views (197)  
Coral Reefs is very big mass of limestone and dolomite, which is formed by lime secreting organisms like Coral Polyps. The skeletons of this marine organism are accumulated to form Coral Reefs. These organisms are in different colours like red, yellow, green, pink, purple and white. They are in different shapes. When each Coral dies, the skeleton accumulates to form white coral to lime stone. Calc ......
Pages: 5
Price: Rs 3.75   
Types of Coral Reefs Total views (194)  
Coral Reefs are formed by the skeletons of Coral Polyps and other Calcium secreting organisms. These are found in the oceans and does not resemble to each other. They are classified into different categories.
Pages: 8
Price: Rs 6   
Coral Reefs and Island-Theories Total views (196)  
Several scholars have explained the origin of Coral Reefs and Islands considering the fluctuation of the Pleistocene Sea Level and stability of land. There are two important theories which explain the origin of Coral Reefs. They are 1. Subsidence Theory of Darwin and Dana 2. Non-Subsidence or Stand Still or Antecedent Platform Theories
Pages: 11
Price: Rs 8.25   

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