diff --git a/Hilfsskripte/merge_spacetime_errornorms.py b/Hilfsskripte/merge_spacetime_errornorms.py
new file mode 100755
index 0000000000000000000000000000000000000000..ad4d068622b3deb04949aadb5d13e0c7f8cd00d7
--- /dev/null
+++ b/Hilfsskripte/merge_spacetime_errornorms.py
@@ -0,0 +1,52 @@
+#!/usr/bin/python3
+import csv
+
+isRichards = {
+    1: True,
+    2: False,
+    3: False,
+    4: False,
+    5: True,
+    }
+
+resolutions = {
+                1: 5e-5,
+                2: 5e-5,
+                4: 5e-5,
+                8: 5e-5,
+                16: 4e-5,
+                32: 4e-6,
+                64: 3e-6,
+                128: 2e-6,
+                256: 1e-6,
+                }
+
+for subdomain, isR in isRichards.items():
+    subdomain_has_phases = ["wetting"]
+    if not isR:
+        subdomain_has_phases = ["wetting", "nonwetting"]
+
+    for phase in subdomain_has_phases:
+        merge_filename = f"subdomain{subdomain}" + \
+                                   f"-space-time-errornorm-{phase}-phase.csv"
+
+        with open(merge_filename, 'w', newline='') as mergefile:
+            mergefile_writer = csv.writer(mergefile, delimiter=' ',)
+            # write header into merge five
+            mergefile_writer.writerow(
+                ['mesh_parameter', 'mesh_h', 'Linf', 'L1', 'L2']
+                )
+            for meshrez in resolutions.keys():
+                input_filename = f"subdomain{subdomain}" + \
+                                 f"-space-time-errornorm-{phase}-phase" + \
+                                 f"_meshrez{meshrez}.csv"
+                try:
+                    print(f"found {input_filename}")
+                    with open(input_filename, 'r', newline='') as inputfile:
+                        inputfile_reader = csv.reader(inputfile, delimiter=' ')
+                        # skip header
+                        next(inputfile_reader)
+                        for row in inputfile_reader:
+                            mergefile_writer.writerow(row)
+                except IOError:
+                    print("File not accessible or nonexistant")