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Disadvantages And Disadvantages And Salient Features Of GIS

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1. GIS : When we need to represent any material object with respect to Earth’s position, we need a reference frame in which we need to put that material object with it’s own location attribute. The information system which holds this location attribute and represents the material object in a virtual earth is the Geographic Information System (GIS).

Remote Sensing: The term Remote Sensing means the sensing of the Earth 's surface from space by making use of the properties of electromagnetic waves emitted, reflected or diffracted by the sensed objects, for the purpose of improving natural resources management, land use and the protection of the environment.

Salient Features of GIS:
• Appropriate methodology for collection, collation, storage and processing of data on natural resources in a given region & in totality.
• Standardized formats for natural resources and socio-economic data in an integrated manner to establish linkage among various hierarchical units
• Utilize information for planning and development.
• Assessment of the situation through integrated analysis
• Spatial Modeling, querying, and map creation for efficient and effective implementation of different activities

Advantages and Disadvantages of GIS:
• Disadvantages of using a GIS are that its technical nature might portray results as being more reliable than they actually are, and errors and assumptions can be hidden, leading to a lack of questioning into the results. Another disadvantage of analyzing

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