diff --git a/configs/TCO95_CORE3.yaml b/configs/TCO95_CORE3.yaml
new file mode 100644
index 0000000..e6675e6
--- /dev/null
+++ b/configs/TCO95_CORE3.yaml
@@ -0,0 +1,38 @@
+# OCP-Tool Configuration
+# OpenIFS Coupling Preparation Tool
+# Configuration: TCO319 + CORE3 (with ice cavities)
+
+# Atmosphere grid settings
+atmosphere:
+  resolution_list: [95]  # TCO319
+  truncation_type: "cubic-octahedral"
+  experiment_name: "ab45"  # IMPORTANT: abns for TCO319, ab45 for TCO95
+
+# Ocean grid settings
+ocean:
+  grid_name: "CORE3"
+  has_ice_cavities: true  # CORE3 has ice cavities
+  mesh_file: "/work/ab0246/a270092/input/fesom2/core3/mesh.nc"
+
+# Basin modifications for runoff
+runoff:
+  manual_basin_removal:
+    - "caspian-sea"
+
+# Paths (relative to auto-detected root_dir, or absolute)
+# Output dirs auto-computed as: output/{TCO|TL}{resolution}_{ocean_grid}/
+paths:
+  input:
+    fesom_mesh: "input/fesom_mesh/"
+    gaussian_grids_full: "input/gaussian_grids_full/"
+    gaussian_grids_octahedral_reduced: "input/gaussian_grids_octahedral_reduced/"
+    gaussian_grids_linear_reduced: "input/gaussian_grids_linear_reduced/"
+    openifs_default: "input/openifs_input_default/"
+    runoff_default: "input/runoff_map_default/"
+    lpj_guess: "input/lpj-guess/"
+
+# Processing options
+options:
+  verbose: true
+  parallel_workers: 4
+  use_dask: true
diff --git a/ocp_tool/field_interpolation.py b/ocp_tool/field_interpolation.py
index 7ad41c5..f80017e 100644
--- a/ocp_tool/field_interpolation.py
+++ b/ocp_tool/field_interpolation.py
@@ -112,6 +112,12 @@ def interpolate_co2_emissions(input_grib_file, icmgg_init_file, output_file, var
         # Second pass: read, interpolate and prepare each variable for writing
         interpolated_emissions = {}
         
+        # Parameter ID mapping for CO2 emissions
+        # Map input paramIds to desired output paramIds
+        param_id_mapping = {
+            228083: 210068,  # fco2nee -> co2nbf
+        }
+        
         with open(input_grib_file, 'rb') as f:
             while True:
                 gid = eccodes.codes_grib_new_from_file(f)
@@ -129,10 +135,14 @@ def interpolate_co2_emissions(input_grib_file, icmgg_init_file, output_file, var
                     # Create source points for interpolation
                     source_points = np.column_stack((lons, lats))
                     
+                    # Get the original paramId and apply mapping if necessary
+                    original_param_id = eccodes.codes_get(gid, 'paramId')
+                    mapped_param_id = param_id_mapping.get(original_param_id, original_param_id)
+                    
                     # Store the original GRIB message information for template
                     template_info = {
                         'short_name': short_name,
-                        'param_id': eccodes.codes_get(gid, 'paramId'),
+                        'param_id': mapped_param_id,
                         'level_type': eccodes.codes_get(gid, 'typeOfLevel'),
                         'level': eccodes.codes_get(gid, 'level'),
                         'grid_type': eccodes.codes_get(gid, 'gridType')
diff --git a/ocp_tool/lsm.py b/ocp_tool/lsm.py
index 6856cb0..cca71ef 100644
--- a/ocp_tool/lsm.py
+++ b/ocp_tool/lsm.py
@@ -342,11 +342,11 @@ def create_slt_output_for_lpjg(
     
     input_file = config.get_icmgg_output_file()
     
-    # Generate output filename
+    # Generate output filename with ocean grid name
     if config.atmosphere.truncation_type == 'cubic-octahedral':
-        slt_output_name = f'slt_TCO{resolution}.nc'
+        slt_output_name = f'slt_TCO{resolution}_{config.ocean.grid_name}.nc'
     elif config.atmosphere.truncation_type == 'linear':
-        slt_output_name = f'slt_TL{resolution}.nc'
+        slt_output_name = f'slt_TL{resolution}_{config.ocean.grid_name}.nc'
     else:
         raise ValueError(f"Unknown truncation type: {config.atmosphere.truncation_type}")