The U.S. Army Corps of Engineers (USACE), Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBTCX), is performing airborne coastal mapping surveys along the shorelines of the Hawaiian Islands now through June as part of the USACE National Coastal Mapping Program (NCMP). Residents near Oahu’s south-facing shores between Barber’s Point and Diamond Head are advised that broad beams of visible green light may be observed
From an article by the U.S. Army Corps of Engineers, Honolulu District.
The surveys will be conducted using a contracted aircraft equipped with a USACE-owned Coastal Zone Mapping and Imaging Lidar (CZMIL) system. Lidar, which is short for “light detection and ranging,” uses light in the form of lasers to measure distance.
Residents near Oahu’s south-facing shores between Barber’s Point and Diamond Head are advised that broad beams of green light may be observed across the night sky and coastal terrain, between midnight and 5 a.m., April 28-30. The light will be emitted by the small aircraft equipped with the lidar. Brief exposure to the light is safe for the unprotected eye.
“The majority of data collection will take place during the day,” said Chris Macon, scientist with the JALBTCX. “The airspace along Oahu’s south shore is very busy, so we’re surveying this area at night to avoid interfering with air traffic from the Honolulu Airport.”
Activity will take place from offshore to approximately 500 meters inland from the shore at an altitude of approximately 1,300 feet AGL (above ground level).
For the complete article on visible green light CLICK HERE.
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