Remote Sensin
... area involved” (www.answers.com). This remote sensing is used from a great distance in order to gather information about the environment. Just about all astronomy could be considered remote sensing, but most of the time when people refer to “remote sensing”, they are speaking about terrestrial observations. An example of remote sensing includes the locating of earthquakes. Seismograms are taken from a seismograph which measures the seismic movement of the ground at a measuring station. The relative intensity of the earth’s tremors and the precise timing can give information about the location of the tremor. Another way that remote sensing is used is to get maps of ground cover which can be found by taking images in multiple wavelengths of electro-magnetic radiation. The instruments that are used to retrieve this information are usually called thematic mappers and are found on earth observation satellites which are specifically designed to observe the earth from orbit. Remote Sensing is used a great deal in the state of Mississippi, especially in the Mississippi Delta. ScienceDaily.com featured an interesting article about an Agricultural Research Service (ARS) engineer Steven J. Thomson, who is located in the ARS Research Unit in Stoneville, Miss. Thomson is applying remote sensing technology using agricultural aircraft to projects as diverse as crop water stress management, invasive imported fire ant control and catfish production. Thomson’s idea was to determine only those areas in a field that require more attention by growers of cotton, corn, soybeans, and other crops. This remote sensing could help farmers save money on such things as fertilizers and pesticides. Aircrafts are easier to find for the remote sensing proc...