Laser-scanning tech uncovers huge network of ancient Mayan farms
Deep within a rainforest in Belize, scientists using lasers beamed from an airplane to peer beneath บาคาร่าฟรี the dense foliage have discovered evidence of a vast network of ancient Maya farms that date back thousands of years.
The findings, part of more than 20 years of research in this part of Central America, show เล่นบาคาร่าฟรี how the ancient Maya civilization, which reached its peak at around 250 A.D. to 900 A.D., adapted their farming practices in the face of environmental challenges.
The farms were used to grow maize, beans, squash and avocados, most likely after a series of droughts starting 1,800 years ago forced Maya farmers to expand แทงบอลฟรี agriculture from the region’s dry slopes into the forest’s low-lying wetlands, said Tim Beach, a University of Texas geoarchaeologist and the lead author of a paper about the finding published Oct. 7 in the journal Proceedings of the National Academy of Sciences.
“The lines of evidence suggest the wetland fields were starting as early as 2,000 years ago, and แจกเครดิตแทงบอลฟรี really exploding around 1,200 years ago,” Beach said. “If the uplands are dry, we speculated that this would be a natural place to expand into for a resilient culture.”
For the new research, the scientists used a remote-sensing technology known as light detection and ranging, or lidar, which involves bouncing laser pulses รูเล็ตฟรี off surfaces to measure their contours. Over the course of two days in early July 2016, a plane flying less เว็บคาสิโนที่ดีที่สุด than 2,000 feet above the ground scanned a 100-square-mile patch of the rainforest with more than 6.5 billion laser pulses.
Deep within a rainforest in Belize, scientists using lasers beamed from an airplane to peer beneath บาคาร่าฟรี the dense foliage have discovered evidence of a vast network of ancient Maya farms that date back thousands of years.
The findings, part of more than 20 years of research in this part of Central America, show เล่นบาคาร่าฟรี how the ancient Maya civilization, which reached its peak at around 250 A.D. to 900 A.D., adapted their farming practices in the face of environmental challenges.
The farms were used to grow maize, beans, squash and avocados, most likely after a series of droughts starting 1,800 years ago forced Maya farmers to expand แทงบอลฟรี agriculture from the region’s dry slopes into the forest’s low-lying wetlands, said Tim Beach, a University of Texas geoarchaeologist and the lead author of a paper about the finding published Oct. 7 in the journal Proceedings of the National Academy of Sciences.
“The lines of evidence suggest the wetland fields were starting as early as 2,000 years ago, and แจกเครดิตแทงบอลฟรี really exploding around 1,200 years ago,” Beach said. “If the uplands are dry, we speculated that this would be a natural place to expand into for a resilient culture.”
For the new research, the scientists used a remote-sensing technology known as light detection and ranging, or lidar, which involves bouncing laser pulses รูเล็ตฟรี off surfaces to measure their contours. Over the course of two days in early July 2016, a plane flying less เว็บคาสิโนที่ดีที่สุด than 2,000 feet above the ground scanned a 100-square-mile patch of the rainforest with more than 6.5 billion laser pulses.
Comments
Post a Comment