What is Remote Sensing?


Remote Sensing is technique of taking images and graphs without touching the object directly. Remote sensing helps in studying the phenomena of objects characteristics and Remote sensing objects can be studied and detected from a distant location. It is used by air-crafts, helicopters or satellites.

Remote sensing satellite belonging to the IRS- Series is meant for advanced technology probing missions, especially in the area of oceanography cartography and environment monitoring.

For a Country like India with wide natural resources, the technique, especially-space born remote sensing is useful in various ways:


i. For proper agricultural planning, to increase yield per hectare and to bring more land under cultivation, reliable data and information is required.

ii. Faulty irrigation practices and improper drainage system has led to water logging and degradation of fertility in India. By Remote Sensing a wide area map can be prepared of the topography of a particular region to plan irrigation facilities properly.

iii. It can reduce pest borne disease which leads to reduction in productivity.

iv. Oil and Natural gas resources are found out by remote sensing.


v. Management and Planning of Various resources by Government will require detailed information and it can be derived through Remote Sensing.

vi. Ocean resources, marine resources are also detectable by it.

Indian Remote sensing satellite (IRS-IA) was launched by India in 1988, as a major step forward in this direction.

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