Trees are highly variable in height. NASA wants the help of people to obtain this elevation information
In October 2018, the ICESat-2 Satellite was launched into space. The satellite, which carries a highly advanced technology called ATLAS (Advanced Topographic Laser Altimeter System), is located in orbit of our Earth. ATLAS, which sends 60,000 light beams per second to the earth, is also known as the space laser.
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By measuring the position, angle of the ICESat-2 Satellite and the length of time it takes for the laser beams to be sent back from the surface, the height of sea ice, land ice, ocean, water and trees can be measured successfully. Scientists, however, want millimetric measurements to be made. NASA comes into play at this point
When you take a photo of a tree with NASA's GLOBE Observer application, the data you provide is processed and the height of the tree is removed. The height you have provided is compared with the measurement taken from the satellite and the most accurate result is achieved. In this respect, NASA wants the help of anyone with a smart phone.
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Knowing how long trees are, allows researchers to predict the health of forests in the world and the amount of carbon dioxide they can absorb. If you want to contribute to the health of our world, you can download the GLOBE Observer application and start making measurements, and you can help scientists to work with more accurate data and reach more accurate results.