units

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

@@ -80,7 +80,7 @@ public class TreeWaterDemand {
 		try (BufferedWriter bw = Files.newBufferedWriter(Paths.get("all_values.csv"), StandardCharsets.UTF_8)) {
 			bw.write(
 					"DateTime;Temperature;Humidity;GHI;DayOrNight;netLongwaveRadiation;WindSpeed;SaturationVaporPressure;ActualVaporPressure;Psy;NetRadiation;ET0;ET0u\n");
-			bw.write("dd/mm/yyyy HH:MM;[°C];[%];[W/m²];[0/1];[W/m²];[m/s];[kPa];[kPa];[kPa/°C];[?];[l/h];[l/h]\n");
+			bw.write("dd/mm/yyyy HH:MM;[°C];[%];[W/m²];[0/1];[MJ/(m².h)];[m/s];[kPa];[kPa];[kPa/°C];[MJ/(m².h)];[l/h];[l/h]\n");
 			for (int i = startHours; i <= startHours + hours; i++) {
 				bw.write(String.format("%s;", counter.format(f)));
 				String[] row = csvValues.get(i + 2);
@@ -109,7 +109,7 @@ public class TreeWaterDemand {
 						hourOfDay, lz, lm);
 				double et0u = et0u(svf, advection, et0);
 
-				bw.write(String.format(";%.0f", netLongwaveRadiation));
+				bw.write(String.format(";%.5f", netLongwaveRadiation));
 				bw.write(String.format(";%.1f", windSpeed));
 				bw.write(String.format(";%.5f", saturationVaporPressure));
 				bw.write(String.format(";%.5f", actualVaporPressure));
@@ -192,6 +192,7 @@ public class TreeWaterDemand {
 		}
 	}
 
+	// unit is apparently [MJ / (m².h)]
 	private static double rn(double temperature, double actualVaporPressure, double shortWaveRadiation, double height,
 			int dayOfYear, double hourOfDay, double lz, double lm) {
 		// 1 - 0.23: albedo effect of grass
@@ -199,6 +200,7 @@ public class TreeWaterDemand {
 				- rnl(temperature, actualVaporPressure, shortWaveRadiation, height, dayOfYear, hourOfDay, lz, lm);
 	}
 
+	// unit is apparently [MJ / (m².h)]
 	private static double rnl(double temperature, double actualVaporPressure, double shortWaveRadiation, double height,
 			int dayOfYear, double hourOfDay, double lz, double lm) {
 		// divide by 24 for hourly