Fred Valdez

Water and sustainable land use at the ancient tropical city of Tikal, Guatemala

Vernon L. Scarborough, Nicholas P. Dunning, Kenneth B. Tankersley et al. · Proceedings of the National Academy of Sciences · 2012 · 178 citations · Full text

Largest Ancient Dam, Engineering, Geomorphology +22

Ancient Maya impacts on the Earth's surface: An Early Anthropocene analog?

Tim Beach, Sheryl Luzzadder‐Beach, Duncan Cook et al. · Quaternary Science Reviews · 2015 · 172 citations

Palaeo-environmental Reconstruction, Early Anthropocene Analog, Ancient Maya +7

Cacao usage by the earliest Maya civilization

W. Jeffrey Hurst, Stanley M. Tarka, Terry G. Powis et al. · Nature · 2002 · 155 citations

Latin American Archaeology, Material Culture, American Archaeology +4

Ancient Maya wetland fields revealed under tropical forest canopy from laser scanning and multiproxy evidence

Timothy Beach, Sheryl Luzzadder‐Beach, Samantha Krause et al. · Proceedings of the National Academy of Sciences · 2019 · 103 citations · Full text

Latin American Archaeology, Engineering, Geomorphology +20

Temple mountains, sacred lakes, and fertile fields: ancient Maya landscapes in northwestern Belize

Nicholas P. Dunning, Vernon L. Scarborough, Fred Valdez et al. · Antiquity · 1999 · 93 citations

Historical Geography, Land Use, Cultural Heritage +21