The mounded shape of a raised bog (Valgeraba, Estonia) is revealed by a coloured relief map overlaid on aerial photography based on lidar data from the Estonian Land Board. Elevations are exaggerated to emphasise its mounded shape. (IMAGE)

Singapore-MIT Alliance for Research and Technology (SMART)

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.