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Remote sensing is the acquisition of information about an object without making physical contact with the object and thus in contrast to site observation. Remote sensing is a subfield of Geography. Remote sensing refers to the activities of recording/observing/perceiving (sensing) objects or events at far away (remote) places. In remote sensing, the sensors are not in direct contact with the objects or events being observed. The information needs a physical carrier to travel from the objects/events to the sensors through an intervening medium. The electromagnetic radiation is normally used as an information carrier in remote sensing. Sonar (sound navigation and ranging) technology is used to collect measurements from the sea floor by collecting point or raster data derived from the strength and time of the acoustic return. The National Oceanic and Atmospheric Association (NOAA) uses single and multibeam sonar for numerous applications like mapping seafloor geology, field verifying other remotely sensed data sets, navigation, disaster recovery and salvage, and habitat
studies, among other uses.
Related Journals of Remote Sensing
Journal of Climatology & Weather Forecasting, Journal of Geology & Geophysics, Journal of Coastal Zone Management, International Journal of Advanced Remote Sensing & GIS, International Journal of Recent Technology and Engineering, International Water Technology Journal, International Journal of Emerging Trends in Engineering Research (IJETER), International Journal of Image Processing & Visual Communication