The Bonito Paleochannel in Chaco Canyon, New Mexico: Recent Research and Implications for Causality and Effects.

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    • Subject Terms:
      GRAN Chaco; NEW Mexico
    • Abstract:
      During the late eleventh century AD, a episode of erosion in Chaco Canyon, New Mexico, threatened to destroy portions of the Pueblo Bonito great house and possibly other large buildings. Known as the Bonito Paleochannel, this large arroyo meant the loss of significant amounts of surface water from valley-wide flooding originating in upstream and tributary sources. We believe that erosion was probably the result of an increasing size and frequency of floods. There is no compelling evidence that agriculture was affected by the paleochannel but we hypothesize that great house construction became extremely difficult. Consequently, the impact of the Bonito Paleochannel cycle may have been felt most in the political economy. [ABSTRACT FROM AUTHOR]
    • Abstract:
      A fines del siglo XI d. C., un episodio de erosión en el Cañón del Chaco, Nuevo México, amenazó con destruir partes de la gran casa de Pueblo Bonito y posiblemente otros edificios grandes. Conocido como el Paleocanal Bonito, este gran arroyo significó la pérdida de cantidades significativas de agua superficial debido a las inundaciones en todo el valle que se originaron en las fuentes río arriba y tributarias. Creemos que la erosión fue probablemente el resultado de un aumento en el tamaño y la frecuencia de las inundaciones. No hay evidencia convincente de que la agricultura se haya visto afectada por el paleocanal, pero planteamos la hipótesis de que la construcción de grandes casas se volvió extremadamente difícil. En consecuencia, el impacto del ciclo Bonito Paleochannel puede haberse sentido más en la economía política. [ABSTRACT FROM AUTHOR]
    • Abstract:
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