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Consider the following statements regarding Hydrography:
- It is the branch of applied sciences which deals with the measurement and description of the physical features of oceans and other water bodies.
- Hydrographic information is used for making the nautical charts that all mariners use for navigation.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Consider the following statements regarding Hydrography: It is the bra...
Union Defence Minister recently visited the hydrography ship South Jetty, Indian Naval station Kochi on the eve of World Hydrography Day to support the sustainable use of the oceans.
About Hydrography:
- Hydrography is the branch of applied sciences which deals with the measurement and description of the physical features of oceans, seas, coastal areas, lakes and rivers, as well as with the prediction of their change over time.
- This is done mainly with specialised ships and boats operating echo sounders and sonars, but also using survey aircraft fitted with lasers.
- Useful information can also be derived sometimes from satellite observations.
- Hydrography also involves measuring the tide and the currents.
- Unlike oceanography, hydrography will include shore features, natural and manmade, lights and towers that will aid in fixing a ship's position, as well as the physical aspects of the sea and seabed.
- The most well-known application of hydrographic information is for making the nautical charts that all mariners use for navigation.
- Hydrographic information is required for the safe, efficient and sustainable conduct of every human activity that takes place in, on or under the sea.
Hence both statements are correct.
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Consider the following statements regarding Hydrography: It is the bra...
Hydrography is the branch of applied sciences that deals with the measurement and description of the physical features of oceans and other water bodies. It plays a crucial role in various fields including maritime navigation, offshore oil and gas exploration, environmental monitoring, and coastal management. The given statements are as follows:
1. It is the branch of applied sciences which deals with the measurement and description of the physical features of oceans and other water bodies.
2. Hydrographic information is used for making the nautical charts that all mariners use for navigation.
Both of these statements are correct.
Explanation:
Hydrography is the science that studies and measures the physical features of oceans, seas, lakes, rivers, and other water bodies. It involves the collection, analysis, and interpretation of data related to the depth, shape, and nature of the underwater terrain, as well as the distribution of water currents, tides, and waves. This information is crucial for a wide range of activities, such as navigation, resource exploration, marine engineering, and environmental management.
1. Measurement and Description of Physical Features:
Hydrography involves the use of specialized equipment and techniques to measure and describe the physical features of water bodies. This includes the use of echo sounders to measure water depths, side-scan sonar to map the seafloor, and remote sensing technologies to collect data on water temperature, salinity, and turbidity. By analyzing and interpreting this data, hydrographers are able to create accurate representations of the underwater landscape.
2. Importance of Hydrographic Information in Navigation:
One of the key applications of hydrography is in the creation of nautical charts. These charts provide essential information for safe navigation at sea, including water depths, underwater hazards, navigational aids, and coastal features. Mariners rely on these charts to plan their routes, avoid dangers, and ensure the safety of their vessels. Hydrographic information is continuously updated to reflect changes in the underwater environment, such as the shifting of sandbars, the formation of new channels, or the emergence of new hazards.
In conclusion, hydrography is a vital field that contributes to our understanding of water bodies and plays a crucial role in various sectors. It encompasses the measurement and description of physical features, and the resulting hydrographic information is used for creating nautical charts that mariners rely on for safe navigation. Therefore, both statements are correct.
1. It is the branch of applied sciences which deals with the measurement and description of the physical features of oceans and other water bodies.
2. Hydrographic information is used for making the nautical charts that all mariners use for navigation.
Both of these statements are correct.
Explanation:
Hydrography is the science that studies and measures the physical features of oceans, seas, lakes, rivers, and other water bodies. It involves the collection, analysis, and interpretation of data related to the depth, shape, and nature of the underwater terrain, as well as the distribution of water currents, tides, and waves. This information is crucial for a wide range of activities, such as navigation, resource exploration, marine engineering, and environmental management.
1. Measurement and Description of Physical Features:
Hydrography involves the use of specialized equipment and techniques to measure and describe the physical features of water bodies. This includes the use of echo sounders to measure water depths, side-scan sonar to map the seafloor, and remote sensing technologies to collect data on water temperature, salinity, and turbidity. By analyzing and interpreting this data, hydrographers are able to create accurate representations of the underwater landscape.
2. Importance of Hydrographic Information in Navigation:
One of the key applications of hydrography is in the creation of nautical charts. These charts provide essential information for safe navigation at sea, including water depths, underwater hazards, navigational aids, and coastal features. Mariners rely on these charts to plan their routes, avoid dangers, and ensure the safety of their vessels. Hydrographic information is continuously updated to reflect changes in the underwater environment, such as the shifting of sandbars, the formation of new channels, or the emergence of new hazards.
In conclusion, hydrography is a vital field that contributes to our understanding of water bodies and plays a crucial role in various sectors. It encompasses the measurement and description of physical features, and the resulting hydrographic information is used for creating nautical charts that mariners rely on for safe navigation. Therefore, both statements are correct.
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Consider the following statements regarding Hydrography: It is the branch of applied sciences which deals with the measurement and description of the physical features of oceans and other water bodies. Hydrographic information is used for making the nautical charts that all mariners use for navigation.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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