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    Vast Maya Kingdom Is Revealed in Guatemalan Jungle

    It would be exciting to explore the jungles. Dangerous, but exciting.

    Vast Maya Kingdom Is Revealed in Guatemalan Jungle

    [COLOR=var(--primary-text-color)]Nestled in the jungle of northern Guatemala, a vast network of interconnected Maya settlements built millennia ago has been mapped in unprecedented detail.

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    [COLOR=var(--primary-text-color)]The civilization featured towering pyramids, palaces, terraces, ball courts and reservoirs connected by a sprawling web of causeways, an international group of archaeologists reported during a presentation at Francisco Marroquín University in Guatemala City this month.


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    [COLOR=var(--primary-text-color)]Their findings reveal a “level of infrastructure that is just mind-boggling,” said Dr. Timothy Beach, a professor of geography at the University of Texas at Austin who wasn’t involved in the research.


    The archaeologists identified nearly 1,000 Maya settlements, which they said were mostly built between 1,000 B.C. and 150 A.D. The findings, also detailed in a paper published last month in the journal Ancient Mesoamerica, were made possible by airborne laser mapping technology that can penetrate the jungle canopy. They challenge some previously held ideas that this part of Mesoamerica, which archaeologists call the Maya lowlands, was sparsely populated during that period.


    [COLOR=var(--primary-text-color)]“We had no idea of the concentration and density of ancient cities out there,” said Richard Hansen, an Idaho State University archaeologist and lead author of the study. He is also the director of the Mirador Basin Project, a Guatemala-based group studying and protecting the area. The findings, Dr. Hansen said, “tell a story of the rise and precocious development of an incredibly organized, sophisticated society.”

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    [COLOR=var(--primary-text-color)]Beginning in 2015, scientists from the U.S. and Guatemala spent years using a plane equipped with sophisticated light-detection and ranging, or lidar, equipment to map a 700-square-mile area in and around what is known as the Mirador-Calakmul Karst Basin. This 1.6-million-acre area of tropical forest, peppered with swamps and bordered by hills, extends from northern Guatemala into southern Campeche, Mexico.

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    [COLOR=var(--primary-text-color)]Over the past five decades or so, archaeologists have discovered many Maya settlements in the basin, including the ancient city of El Mirador, which includes the roughly 230-foot-tall pyramid known as La Danta, one of the largest in the world by volume, built more than 2,000 years ago.

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    [COLOR=var(--primary-text-color)]Some places mapped by Dr. Hansen’s group had been examined on the ground, said Billie Turner, an Arizona State University professor of environment and society who wasn’t involved in the study. Those include El Mirador, Nakbe and Tintal. Yet the new data, Dr. Turner said, help “confirm the phenomenal extent of landscape change undertaken by the Maya.”

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    [COLOR=var(--primary-text-color)]The lidar data, which took years to analyze, revealed the existence of previously unidentified canals, dams, terraces, quarries, causeways, temples and ceremonial complexes. The researchers also identified ball courts once used for competitive sports.[/COLOR]
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    Getting a lot easier to peek through that jungle canopy!
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    I had not heard of "lidar" so just a little more for people that also have not heard the term.

    Light Detection and Ranging (lidar) is a technology used to create high-resolution models of ground elevation with a vertical accuracy of 10 centimeters (4 inches). Lidar equipment, which includes a laser scanner, a Global Positioning System (GPS), and an Inertial Navigation System (INS), is typically mounted on a small aircraft. The laser scanner transmits brief pulses of light to the ground surface. Those pulses are reflected or scattered back and their travel time is used to calculate the distance between the laser scanner and the ground.  

    Lidar data is initially collected as a “point cloud” of individual points reflected from everything on the surface, including structures and vegetation. To produce a “bare earth” Digital Elevation Model (DEM), structures and vegetation are stripped away. 
    https://www.usgs.gov/faqs/what-lidar...-i-download-it
    Let's go Brandon !!!

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    Quote Originally Posted by carolina73 View Post
    I had not heard of "lidar" so just a little more for people that also have not heard the term.



    https://www.usgs.gov/faqs/what-lidar...-i-download-it
    It has been a common reference on archaeology documentaries over the last few years. It's amazing what it can do.
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    Originally Posted by carolina73
    I had not heard of "lidar" so just a little more for people that also have not heard the term.




    https://www.usgs.gov/faqs/what-lidar...-i-download-it

    Quote Originally Posted by Mister D View Post
    It has been a common reference on archaeology documentaries over the last few years. It's amazing what it can do.
    The military uses it.
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    Quote Originally Posted by Peter1469 View Post
    Originally Posted by carolina73
    I had not heard of "lidar" so just a little more for people that also have not heard the term.




    https://www.usgs.gov/faqs/what-lidar...-i-download-it



    The military uses it.
    I have to play with the USGS page and download my area.
    Let's go Brandon !!!

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