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Nairaland Forum / Science/Technology / Hyperspectral Drone Detects Water Pollution (286 Views)
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Hyperspectral Drone Detects Water Pollution by Allen2019: 3:56am On Jan 07, 2020 |
On the morning of January 3, it was the day of a monthly "physical examination" for the river surge in the section of the Banfu Bridge. An unmanned aerial vehicle equipped with hyperspectral equipment flew over the river surface, and the water quality numerical data in the river surge was transmitted back to the shore computer equipment in real-time. This "sweep and swipe" knows the hyperspectral monitoring and analysis technology of river water quality. It is one of the city's river water automatic monitoring platform projects. Through drone river inspection, it helps river rivers to accurately control pollution. On the morning of January 3, the sun is just right and the visibility is high, which is suitable for "flying" weather. Around 10:30 in the morning, the drone equipped with a hyperspectral instrument took off from the vicinity of the Banfu Bridge. After being lifted vertically to a height of about 150 meters, it slowly flew along the river. Process UAV flight, high spectrometer collected data real-time transmission on the playback computer on the shore. These data, after computer processing, will be converted to the intuitive picture of the creek water quality profile. Back in the office, Xing Qianguo, a researcher at the Institute of Coastal Zone Research of the Chinese Academy of Sciences, retrieved from the computer the distribution maps of river water quality collected on the cross-section of the Banfu Bridge in September and November 2019, explaining the characteristics of hyperspectral monitoring and analysis technology. For example, Xing Qianguo said that the cross-section of the Banfu Bridge in September 2019 was in the high water period, and the water body was blue. In November of the same year, the cross-section of the Banfu Bridge in the dry season was red, indicating that the water pollution concentration had increased. "There are hundreds of bands in our spectrum, and each band represents a different signal, and different signals indicate that the substances contained in the water are different. For each pixel on the water quality distribution map, we can know the substances contained in it. "In addition to reflecting the quality of river water, Xing Qianguo said that through the use of hyperspectral monitoring and analysis technology, it is also possible to know the specific pollutants in the water. The reporter learned that this "sweep" will know the hyperspectral monitoring and analysis technology of river water quality, which is the key content of the city's river water automatic monitoring platform project. This technology was introduced in July 2019 and is operated by the technical team of the Coastal Research Institute of the Chinese Academy of Sciences. At present, the hyperspectral monitoring and analysis technology is mainly applied to the main rivers and main tributaries of the six sections of the “Water Ten” assessment section of the city. BY:www.mmcuav.com |
Re: Hyperspectral Drone Detects Water Pollution by Hollyfood: 11:27pm On Sep 22, 2020 |
Water pollution is one of the biggest problems these days, and I recommend to help you with this. |
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