--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentDensity.java	Fri Feb 25 17:17:56 2022 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentDensity.java	Wed Mar 02 10:26:50 2022 +0100
@@ -18,14 +18,15 @@
 import java.util.Set;
 import java.util.TreeMap;
 
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 import org.dive4elements.artifacts.common.utils.Config;
 
 
 /** Sediment Densities for multiple years. */
 public class SedimentDensity implements Serializable
 {
-    private static final Logger log = Logger
+    private static final Logger log = LogManager
         .getLogger(SedimentDensity.class);
 
     public static final double DEFAULT_SEDIMNET_DENSITY_FACTOR = 1.9;