Water Management

The rise and fall of intensive agriculture in the Maya area In this model of central Tikal, Guatemala the dark-colored basins indicate the location of  large, very deep reservoirs. The entire city was built with slopes so the runoff would fill them during the rainy season. These sustained the city all year longl. Around 2000 BC much of the Central Lowlands of the Yucatan peninsula consisted of year-round wetlands (bajos or swamps). The rainy season usually insures that the swamps were inundated, but during the dry season, they dried up and solidified… Read More

Climate Change and Drought

One of the forces that brought the civilization down Land bridge between reservoirs. Tikal, 2008 In the Late Classic period (A.D. 500-900) this path separated two immense reservoirs in Tikal’s city center. When I was there in 2008 it was overgrown and difficult to see the bottom on either side. I estimated them to be about as deep as an eight-to-ten-story building.   Maya farmers are still around today; kings, however, disappeared 1,000 years ago. There is a lesson here on how people and water managers respond to long-term climate change, something… Read More

Climate Change and Drought

Land bridge between reservoirs. Tikal, 2008 In the Late Classic period (A.D. 500-900) this path separated two immense reservoirs in Tikal’s city center. When I was there in 2008 it was overgrown and hard to see the bottom, but I estimated both of them to be about as deep as an eight-to-ten-story building.   Maya farmers are still around today; kings, however, disappeared 1,000 years ago. There is a lesson here on how people and water managers respond to long-term climate change, something our own society faces at present. Lisa J. Lucero… Read More