Open Data In Research (IMAGE) University of Helsinki Caption Newly published research on soil moisture was based on vast field measurements but also on open data, provided by the National Land Survey of Finland. The research was based on LiDAR (light detection and ranging) data and aerial imaging, such as the one above. This image was used to support field observations in compiling a surficial deposit map. Credit Julia Kemppinen Usage Restrictions None License Licensed content 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.