diff --git a/debrisframe/c1Tif/c1TifCfg.ini b/debrisframe/c1Tif/c1TifCfg.ini
index ada01ea..9a98e04 100644
--- a/debrisframe/c1Tif/c1TifCfg.ini
+++ b/debrisframe/c1Tif/c1TifCfg.ini
@@ -42,6 +42,11 @@ massPerPart = 280000.
 # if timeDependentRelease is True, provide the the timesteps, thickness and velocity
 # for a releases in a csv-table in the REL folder
 timeDependentRelease = True
+# specify one or multiple particular time dependent release files,
+# provide name of csv file with or without extension .csv
+# multiple files are separated with a |
+# if no file is specified, all csv files in the Inputs/REL folder are computed
+timeDependentReleaseScenarios =
 # when checking if an already existing particle is within a release polygon
 # (that would cause numerical instabilities and rise an error), one can decide to add a buffer
 # around the polygon (0 means take strictly the points inside, a very small value
diff --git a/debrisframe/c2TopRunDF/pyTopRunDFRepo b/debrisframe/c2TopRunDF/pyTopRunDFRepo
new file mode 160000
index 0000000..3da0775
--- /dev/null
+++ b/debrisframe/c2TopRunDF/pyTopRunDFRepo
@@ -0,0 +1 @@
+Subproject commit 3da0775f2276620b43ea0a475ff402be0e2a2866
diff --git a/debrisframe/tests/data/testC1Tif/Inputs/REL/sildeRelease.csv b/debrisframe/tests/data/testC1Tif/Inputs/REL/sildeRelease.csv
new file mode 100644
index 0000000..2d0ef3e
--- /dev/null
+++ b/debrisframe/tests/data/testC1Tif/Inputs/REL/sildeRelease.csv
@@ -0,0 +1,3 @@
+timestep,thickness,velocity
+0,0.5,5
+50,1,3
diff --git a/debrisframe/tests/data/testC1Tif/Inputs/REL/slideRelease.dbf b/debrisframe/tests/data/testC1Tif/Inputs/REL/slideRelease.dbf
index a3029b9..7f5dc81 100644
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diff --git a/debrisframe/tests/data/testC1Tif/Inputs/REL/slideRelease.shp b/debrisframe/tests/data/testC1Tif/Inputs/REL/slideRelease.shp
index b2bda76..8e68233 100644
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diff --git a/debrisframe/tests/data/testC1Tif/Inputs/REL/slideRelease.shx b/debrisframe/tests/data/testC1Tif/Inputs/REL/slideRelease.shx
index eec315b..129f53b 100644
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