Ground Stabilisation as a process has been around since World War 1.
More basic than today the historical use of soil stabilisation has, in
principle, remained the same. Binding powders have been spread
onto existing material, mixed in using a rotovator and compacted
appropriately.
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GPR is commonly used in archeological applications
Hurricanes are measured through a combination of satellite imagery, manned flights into the storms, Doppler radar, and ground ad seas surface based observations. Tornadoes are more difficult because they are smaller, shorter lived, and overall less predictable. Measurements have been made using Doppler radar and ground and ground based probes. Even then, most tornadoes do not have any measurements taken, so strength is estimated based on the damage caused.
Radar has the longer wavelength.
In most cases the intensity of a tornado is never actually measured. Tornadoes are rated based on the severity of the damage they cause. Mobile Doppler radar can measure wind speeds in a tornado, but since such radar cannot measure ground-level winds the measurements are not used in ratings.
The exact location of where the first Doppler radar system was used cannot be determined because the first radar systems were mobile.
It is simply called "ground penetrating radar." It is used for diverse applications from police forensics to geology and geophysics.
Radar identified refers to your aircraft's position presented on a ground based radar screen and by using a squawk code in the aircraft which corresponds to the ground based station your aircraft is then identified. Radar control refers to an aircraft already identified on the radar screen and flying in controlled airspace under an IFR flight plan and the ground based station would provide heading, speed and altitude you should fly at.
Radar communication is electronic communication without the use of wires. Radar communication can be between a ground terminal, like a cell tower, and a satellite. Or it can be between ground towers and also between two or more satellites.
Scientists conduct radar surveys of archaeological sites to non-invasively detect underground structures, artifacts, and topographical features without disturbing the site. This technology can provide valuable information about the site's layout, history, and potential areas for excavation. Radar surveys are also useful for identifying hidden or buried resources that may not be visible to the naked eye.
Ground penetrating radar allows you to find stuff without digging.
Ground penetrating radar (GPR) is a geophysical method that uses radar pulses to image the subsurface. When the waves hit an object, the receiving antenna can be used to distinguish what it is. This can be used to find precious metals, like gold, underground.
ground clutter and evaporation are the limitations of radar maps
No.
It depends. Flying below radar is usually flying below the equipment used to detect things on radar. It could be a very high tower, hundreds of stories off of the ground, or it could be a satellite just a couple stories off of the ground.
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