[Figure 2] (IMAGE) National Research Council of Science & Technology Caption Changes in organic matter concentration within the soil column and in the recovered water / Increase in cumulative organic matter bound to sand by location within the soil column and resultant stable organic matter concentration in the recovered water Credit Korea Institute of Science and Technology Usage Restrictions The sources of photos and research results from KIST must be specified. License Original 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.