Remote sensing: Types, advantages and disadvantages

Meaning of remote sensing Remote sensing is the Collection of data by a recording device that is not in direct contact with the area. Examples: Satellites, aircraft, drones, and aerial photographs types of remote sensing active remote sensing – this involves sending radiation out and then measuring the radiation that the earth is sending back …

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Geographical information system (GIS) – Meaning and components

geographical infrmation system (GIS) is system of hardware, data, people, organisations and institutional arrangements for storing, analysing and disseminating spatially-linked information in other words, GIS is a computer based set of procedures for assembling, storing, manipulating, analysing and displaying geographically referenced information. it is the system that uses geographical data for purpose such as providing …

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What is Attribute data in GIS?

It refers to data set information describing geographical characteristics of features or information that can be linked to spatial data. Two of the ways in which you can use attribute data in GIS include: using variables from the attribute data as themes for layers. For example, an attribute data set containing population data could provide …

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What is Permanent Settlement of Bengal

1)The Permanent Settlement of Bengal, also known as the Permanent Settlement 2)It was an agreement between the East India Company and Bengali landlords to fix revenues to be raised from land, with far-reaching consequences for both agricultural methods and productivity in the entire Empire and the political realities of the Indian countryside. 3) It was concluded in 1793 by the Company administration headed by Charles, Earl Cornwallis. 4) It formed …

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GLACIATION glaciers types of glaciers and type of movement of ice

GLACIATION: GLACIERS, TYPES OF GLACIERS AND TYPES OF MOVEMENT OF ICE

Glaciation is action of moving ice.Glacier is Mass of ice moving outward from an area of accumulation. glaciers are formed when snow accumulates on the surface, lower layers are compressed to a harder mass resulting in opaque ice due to air bubbles and accumulation of continues compression lower layers squeezing out airforming glassy ice called …

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Subhash Chandra Bose

1) Popularly known as Netaji, was born on Jan 23, 1897 at Cuttack. 2) He passed the Indian Civil Services Examination in 1920, but left it on the Gandhiji’s call of Non – Cooperation Movement. 3) He founded the Independence for India League with Jawahar Lai Nehru. 4) In 1938, he was elected the President …

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Problems Facing Horticultural Farming in Kenya

Problems Facing Horticultural Farming in Kenya Pests and diseases lower crop yields e.g. aphids, nematodes, birds, worms, rodents (pests); blight, black rot, bacterial wilt Inefficient marketing system that lacks proper organization lead to rotting of produce Stiff competition on the international market by other horticultural producers (Israel, Netherlands). Price fluctuations due to overproduction results to …

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