diff --git a/src/ac/ed/lurg/ModelConfig.java b/src/ac/ed/lurg/ModelConfig.java
index 32ac0e19ddba46389b5601960c01e2c138a544a6..b2b372254e56f027ef7779c18d59477d7b087556 100644
--- a/src/ac/ed/lurg/ModelConfig.java
+++ b/src/ac/ed/lurg/ModelConfig.java
@@ -115,9 +115,9 @@ public class ModelConfig {
 	public static final double CALIB_FACTOR_STARCHY_ROOTS = getDoubleProperty("CALIB_FACTOR_STARCHY_ROOTS", 6.027);
 	
 	// Spatial (gridded) data
-	public static final double CELL_SIZE_X = getDoubleProperty("CELL_SIZE_X", 3.0);
+	public static final double CELL_SIZE_X = getDoubleProperty("CELL_SIZE_X", 0.5);
 	public static final double CELL_SIZE_Y = getDoubleProperty("CELL_SIZE_Y", CELL_SIZE_X);
-	public static final String SPATIAL_DIR_NAME = getProperty("SPATIAL_DIR_NAME", "3deg");
+	public static final String SPATIAL_DIR_NAME = getProperty("SPATIAL_DIR_NAME", "halfdeg");
 	public static final String SPATIAL_DATA_DIR = getProperty("SPATIAL_DATA_DIR", DATA_DIR + File.separator + SPATIAL_DIR_NAME);
 	public static final String INITAL_LAND_COVER_FILE = SPATIAL_DATA_DIR + File.separator + "netfract_hurtt_2000.txt";
 	public static final String COUNTRY_BOUNDARY_FILE = SPATIAL_DATA_DIR + File.separator + "country_boundaries.asc";