
Landscape Evolution Observatory
This summer Biosphere 2, the glassed-in ecosystem in the Arizona desert, will go with the flow. The largest-ever experiment to study how water moves through the landscape is set to start there next month.
“Chemical weathering is the first thing you need in order to form a habitable planet,” says Jean Dixon, a geomorphologist at Montana State University in Bozeman. But the process is still not well understood.