--- a/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentLoadCalculation.java	Mon Jul 29 09:21:14 2013 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/SedimentLoadCalculation.java	Mon Jul 29 09:22:11 2013 +0200
@@ -42,6 +42,7 @@
     public SedimentLoadCalculation() {
     }
 
+    /** Returns CalculationResult with array of SedimentLoadResults. */
     public CalculationResult calculate(SedimentLoadAccess access) {
         logger.info("SedimentLoadCalculation.calculate");
 
@@ -87,6 +88,7 @@
         return new CalculationResult();
     }
 
+    /** Returns CalculationResult with array of SedimentLoadResults. */
     private CalculationResult internalCalculate() {
         logger.debug("internalCalulate; mode:" + yearEpoch);
         if (yearEpoch.equals("year")) {
@@ -259,8 +261,11 @@
         return result;
     }
 
-    /** Fetch loads for a single year, calculate total and
-     * return the result containing both. */
+    /**
+     * Fetch loads for a single year, calculate total and
+     * return the result containing both.
+     * @param y year, e.g. 1980
+     */
     private SedimentLoadResult calculateYear(int y) {
         SedimentLoad load = SedimentLoadFactory.getLoadWithData(
             this.river,
@@ -346,12 +351,15 @@
 
     /**
      * Set total values in load.
-     * Therefore, run over the kms and find ranges where either all
+     *
+     * Therefore, run over the sorted kms and find ranges where either all
      * or all Geschiebe or just the Schwebstoff fractions are set.
      * Merge these ranges and add (maybe new) respective fractions to
-     * load.
+     * load. In the process, remember any 'unfished' ends from measurements
+     * where the km-ranges did not completely match.
+     *
      * @param load SedimentLoad to add total values (and ranges) to.
-     * @return input param load.
+     * @return input param load, with total values set.
      */
     private SedimentLoad partialTotal(SedimentLoad load) {
         SedimentLoad fairLoad = load;
@@ -501,6 +509,11 @@
     }
 
 
+    /**
+     * Transform values in load.
+     * @param load The load of which values should be transformed.
+     * @return parameter load with transformed values.
+     */
     private SedimentLoad calculateUnit(SedimentLoad load, int year) {
         SedimentDensity density =
             SedimentDensityFactory.getSedimentDensity(river, kmLow, kmUp, year);