Geography

National Waterways

National Waterways

National Waterways are the waterways in India that are declared as National Waterways under the National Waterways Act, 2016. The act declared 111 waterways as National Waterways to promote the development of inland water transport in the country. National Waterways have been identified based on their navigational potential, their usefulness for transportation of goods and …

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The Primary forces that influence the Ocean Currents

The Primary forces that influence the Ocean Currents

The primary forces that influence ocean currents are: Wind: Wind is one of the most important drivers of surface currents. The wind can push surface water, creating large circular currents known as gyres. Wind can also generate upwelling and downwelling, which can have significant impacts on marine ecosystems. Temperature: Differences in temperature between different regions …

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Ocean Currents

Ocean Currents

Ocean currents are continuous movements of ocean water that are driven by various factors, including wind, temperature, and salinity differences. There are two main types of ocean currents: surface currents and deep currents. Surface currents: Surface currents are driven primarily by wind and are located in the upper layer of the ocean, typically extending to …

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Water Transport

Water Transport

Water transport refers to the movement of goods and people through waterways such as rivers, canals, lakes, seas, and oceans using different types of watercraft like ships, boats, and barges. Water transport has been one of the oldest and most important modes of transport for carrying out international trade and commerce, as well as for …

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Reasons for the Varying Salinity of the Sea Water

Reasons for the Varying Salinity of the Sea Water

The salinity of seawater can vary due to several factors, including: Evaporation and Precipitation: When seawater evaporates, the salts and other dissolved substances are left behind, causing the remaining water to become more saline. Conversely, when precipitation occurs, it dilutes the seawater and decreases its salinity. Runoff and River Inputs: Freshwater runoff from rivers and …

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