Section 15 in The Indian Forest Service (Probationers' Final Examination) Regulations, 2016
15. Remote sensing and geographical information systems. - (1) Theory. - Rationale & relevance, information need and geomatics; spatial database, spatial data - non spatial data; basic concepts of remote sensing, types of remote sensing, applications of remote sensing technology; concept of geo stationery & sun synchronous satellites; optical & microwave remote sensing; data acquisition by the sensor; electromagnetic waves - spectrum; absorption, emission and scattering; Spectral characteristics - signature; spectral characteristics of vegetation; different regions of vegetation reflection spectra; digital satellite data; concept of bands - multi spectral data; concept of false color composites; resolutions of satellite data; different satellite data; pixels of different resolutions data; scale and coverage of data; minimum mappable area; cost of satellite data; satellite data procurement; aerial photography; elements of interpretation; interpretation key; visual interpretation of satellite data; digital interpretation of satellite data; advantages - disadvantages; ground trothing (appreciation of satellite image) tone, scale, pixel size; digital image processing of satellite data; data pre processing; geometric rectification; projection parameters ; projection system; datum; spheroid; visual enhancement; concept of stretching, contrast enhancement; characteristic of vegetation; NDVI; Information extraction; classification algorithms; unsupervised classification; supervised classification; change analysis; applications of remote sensing in forestry; forest cover mapping; mapping TOF; forest fire detection & monitoring; stratification of forests application in working plan; RADAR & LIDAR remote sensing; map composition; geographical information systems (GIS)- definition and concept; raster and vector data; point, line and polygon; geographical positioning system (GPS)- applications, maps, data sources and procurement.
(2)Practical. - (a) Remote sensing: Appreciation of satellite images; satellite data processing; classification of image; change analysis(b)Global positioning system (GPS): Hand held Differential GPS ; boundary demarcation using DGPS(c)GIS: Familiarisation with the concept and software; Google earth-pro.
