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The southwestern North American megadrought is an ongoing megadrought in the southwestern region of North America that began in 2000. At least 24 years in length, the drought is the driest multi-decade period the region has seen since at least 800 CE. The megadrought has prompted the declaration of a water shortage at Lake Mead, the largest ...
The park is located in northwestern New Mexico, between Albuquerque and Farmington, in a remote canyon cut by the Chaco Wash. Containing the most sweeping collection of ancient ruins north of Mexico, the park preserves one of the most important pre-Columbian cultural and historical areas in the United States. [2] Between AD 900 and 1150, Chaco ...
1025-1090. Depositional period during which time the paleo-channel was filling. There is some historical, anecdotal evidence that the inhabitants of Chaco Canyon may have constructed a dam at the west end of the canyon. [4] 1030. Chacoans seek trees at higher altitudes [1] 1040. Increased rainfall [1] 1040-1050.
The Ancestral Puebloan centers of Chaco Canyon and Mesa Verde were abandoned in the 12th and 13th centuries CE, probably because of drought. After a thousand years of success, the complex Hohokam society disappeared in the 15th century CE and became the smaller-scale Pima culture of historic times.
The move came after Sofaer's rediscovery of the Sun Dagger site on Fajada Butte in Chaco Canyon. The organization is an interdisciplinary team of archaeologists, archaeoastronomers, geodesists and ...
A severe drought from 1130 to 1180 led to rapid depopulation in many parts of the San Juan Basin, particularly at Chaco Canyon. As the extensive Chacoan system collapsed, people increasingly migrated to Mesa Verde, causing major population growth in the area.
Pueblo Bonito, the largest of the Chacoan Great Houses, stands at the foot of Chaco Canyon's northern rim. The Ancestral Puebloan culture is perhaps best known for the stone and earth dwellings its people built along cliff walls, particularly during the Pueblo II and Pueblo III eras, from about 900 to 1350 CE in total.
Chetro Ketl is an Ancestral Puebloan great house and archeological site located in Chaco Culture National Historical Park, New Mexico, United States. Construction on Chetro Ketl began c. 990 and was largely complete by 1075, with significant remodeling occurring in the early and mid-1110s. Following the onset of a severe drought, most Chacoans ...