نتایج جستجو برای: maya and budhi

تعداد نتایج: 16828774  

2013
Christian Isendahl Michael E. Smith

Maya and Aztec cities exhibited a distinctive kind of low-density urbanism common in ancient Mesoamerica. The non-monumental components of these cities differed from the high-density ancient and historical cities in the Old World that are often considered the norm for pre-modern urbanism. Distinctive features include the practice of intensive agricultural cultivation within urban settlements, r...

Journal: :Science 2012
Martín Medina-Elizalde Eelco J Rohling

The disintegration of the Classic Maya civilization in the Yucatán Peninsula and Central America was a complex process that occurred over an approximately 200-year interval and involved a catastrophic depopulation of the region. Although it is well established that the civilization collapse coincided with widespread episodes of drought, their nature and severity remain enigmatic. We present a q...

Journal: :Science 2003
Gerald H Haug Detlef Günther Larry C Peterson Daniel M Sigman Konrad A Hughen Beat Aeschlimann

In the anoxic Cariaco Basin of the southern Caribbean, the bulk titanium content of undisturbed sediment reflects variations in riverine input and the hydrological cycle over northern tropical South America. A seasonally resolved record of titanium shows that the collapse of Maya civilization in the Terminal Classic Period occurred during an extended regional dry period, punctuated by more inte...

Journal: :Hispanic American Historical Review 1980

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