In all the diversity of the Earth’s atmosphere, only a relatively small layer of the troposphere to a height of 17–20 km above sea level is well studied and closely monitored. Everything that has been studied above is poorly studied and is not included in the list of tasks for constant monitoring. This omission is intended to eliminate the military in the United States. Tracking the entire atmosphere can reveal data on local events on Earth.
To reveal the mechanisms of the spread of a whole spectrum of disturbances in all layers of the atmosphere up to the upper boundaries of the exosphere, which is 10,000 km above sea level, DARPA launches the Atmosphere as a Sensor or AtmoSense program. The purpose of the program is to understand the fundamental principles of the distribution of various kinds of energy from the earth to the ionosphere, in order to determine whether the atmosphere can be used as a sensor.
Modern sensors cannot track events globally. Such events, for example, include tsunamis, tornadoes, earthquakes, volcanoes, thunderstorms, meteorites or the passage of asteroids near the Earth, or something caused by an anthropogenic factor, such as the launch of rockets. The military would be curious to know which of these and how waspsIt creates a trace in the atmosphere to uniquely identify an event and attach it to a map of the planet.
All of the above events and other similar ones cause certain changes in all layers of the atmosphere. This is expressed in the differences in pressure, density, temperature, volume and in derivatives from them. In fact, strong disturbances on the surface of the earth and above it create a kind of “three-dimensional footprint” that would be good to learn to recognize. It is also necessary to learn to separate and suppress interference caused by a host of factors. More precisely, the program provides for the measurement of background noise, which attenuates or destroys signals of interest.
By and large, the atmospheric layers above the troposphere are practically unexplored. This forced the AtmoSense program into two stages. The first stage lasting 27 months involves the development of a concept for studying the atmospheric traces of events on earth. Only after this will a year of field trials follow to confirm the presented theories. If successful, the military and civilians will receive in their hands new tools for tracking events on the planet. The same weather forecast can be much more accurate than today.
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