DRY

tree-water-demand/src/main/java/de/hft/stuttgart/water/TreeWaterDemand.java

@@ -202,11 +202,10 @@ public class TreeWaterDemand {
 
 	// NetLongwaveRadiation
 	// unit is apparently [MJ / (m².h)]
-	private static double rnl(double temperature, double actualVaporPressure, double shortWaveRadiation, double altitude,
+	private static double rnl(double temperature, double actualVaporPressure, double rs, double altitude,
 			double extraterrestrialRadiation){
 		// divide by 24 for hourly
 		double sigma = 4.903E-9 / 24;
-		double rs = shortWaveRadiation;
 		double rso = (0.75 + 2 * 10E-5 * altitude) * extraterrestrialRadiation;
 		double rsRsoQuotient = 0.5;
 		if (rso != 0) {