Home Science & Tech Lasers Reveal More Than 61,000 Ancient Maya Structures Hidden Beneath Guatemalan Jungle

Lasers Reveal More Than 61,000 Ancient Maya Structures Hidden Beneath Guatemalan Jungle

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The survey revealed that the Mayans modified way more of their landscape than researchers ever thought.

Through the use of LiDAR laser technology, researchers in Guatemala have discovered over 61,000 ancient Mayan structures. These yielded new information about the agriculture, lifestyle, and day-to-day life of the Mayan people.

The study, recently published in Science, involved a survey of 830 square miles of Mayan territory led by researchers from Tulane University.

The findings specifically challenged long-held assumptions that the region was sparsely populated and that small, Mayan cities were cut off from one another. Researchers surveyed each square meter with 15 laser pulses, the Washington Post reported.

Lidar technology, or light detection and ranging, uncovered such startling new information because it is able to penetrate the thick, forest canopy to reveal what was hidden below in a way that researchers were unable to do previously.

Lidar operates under the same principles as radar, except it uses laser pulses instead of radio waves. The laser light is unresponsive to vegetation but cannot penetrate harder surfaces like stone, and so laser light will bounce back when it comes in contact with a built environment.

“Since LiDAR technology is able to pierce through thick forest canopy and map features on the earth’s surface, it can be used to produce ground maps that enable us to identify human-made features on the ground, such as walls, roads or buildings,” Marcello Canuto, the director of the Middle America Research Institute at Tulane, said in a statement.

Thanks to the new technology, the researchers were able to discover 61,480 total structures in the area like houses, large palaces, ceremonial centers, and pyramids. This led researchers to believe that at the height of the region in the Late Classic period (650-800 CE), the population reached between seven and 11 million people.

The lasers also revealed over 106 square kilometers (about 41 square miles) of roadways, canals, and infrastructure which connected the region’s various cities to more rural areas.

“Seen as a whole, terraces and irrigation channels, reservoirs, fortifications, and causeways reveal an astonishing amount of land modification done by the Maya over their entire landscape on a scale previously unimaginable,” Francisco Estrada-Belli, a research assistant professor at Tulane said in a statement.

The idea that the Maya were a more complex civilization than previously believed has been gaining favor over the past few years. According to Science News, some researchers have argued that slash-and-burn farming techniques were popular during the Mayan Classic-era and may have contributed to their downfall.

However, the study revealed that the Maya were more sophisticated in regards to agriculture than once thought. The lasers uncovered 362 square kilometers (about 140 square miles) of terraces and modified agricultural terrain, plus 952 square kilometers (368 square miles) of viable farmland.

Despite this groundbreaking discovery, there is still a lot of work to be done. The researchers had to go on the ground in some parts of the surveyed area to confirm the lidar data, according to the Washington Post.

Lidar might not be the perfect technology just yet, but so far it has not only opened our eyes to tens of thousands of new structures but challenged how we view an entire civilization.

Via AllThatIsInteresting

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