diff --git a/default_cbl.json b/default_cbl.json
new file mode 100644
index 0000000000000000000000000000000000000000..a21b8ed87eb882a3b87477c8b2f914f29104038d
--- /dev/null
+++ b/default_cbl.json
@@ -0,0 +1,39 @@
+{
+ "g": 9.806,
+ "f": 0.0001,
+ "kvonk": 0.4,
+ "z0": 0.1,
+ "ug": 0,
+ "vg": 10,
+ "theta_0": 290,
+ "gamma": 0.003,
+ "Hmax": 0.1,
+ "H0_perturbation_ampl_init": 0.0,
+ "H0_perturbation_ampl_time": 0.0,
+ "exct": 0.3,
+ "pfac": 1.5,
+ "Kmin": 0.1,
+ "Kmax": 200,
+ "is_bwind": false,
+ "is_cgrad": true,
+ "is_cycle": false,
+ "dz": 50,
+ "ztop": 4000,
+ "rnseed": 181612,
+ "perturb_ensemble_state": true,
+ "perturbations_type": "smooth",
+ "perturbations_theta_amplitude": 0.1,
+ "perturbations_uv_amplitude": 0.1,
+ "perturbations_smooth_number": 11,
+ "perturbations_symmetric": true,
+ "error_growth_perturbations_amplitude": 0.1,
+ "perturb_ensemble_parameters": true,
+ "parameter_number": 1,
+ "parameter_transform": "pit",
+ "parameter_ensemble_min": 0.5,
+ "parameter_ensemble_max": 4.5,
+ "parameter_true": 1.5,
+ "do_parameter_estimation": true,
+ "parameter_inflation_rtps_alpha": 0.4,
+ "return_covariances_increments_and_innovations": true
+}
\ No newline at end of file
diff --git a/default_da.json b/default_da.json
new file mode 100644
index 0000000000000000000000000000000000000000..13565bb65afb5f9d156fce0dfe03bb33e4692ced
--- /dev/null
+++ b/default_da.json
@@ -0,0 +1,26 @@
+{
+    "cbl_settings_file": "./config_files/default_cbl.json",
+    "type": "OSSE",
+    "tspinup": 10800,
+    "trun": 3600,
+    "tspinup_assim": 0,
+    "assimilation_interval": 3600,
+    "randomize_obs": true,
+    "nobs": 1,
+    "obs_coordinates_min": 433,
+    "obs_coordinates_max": 433,
+    "obs_kinds": "theta",
+    "obs_error_sdev_generate": 0.2,
+    "obs_error_sdev_assimilate": 0.1,
+    "localization_cutoff": 400,
+    "nens": 50,
+    "FILTER": "EAKF",
+    "inflation_rtps_alpha": 0.1,
+    "simulate_underdispersiveness": false,
+    "rnseed": 181612,
+    "path": "./",
+    "filename": "experiment.pickle",
+    "label": "X",
+    "nature_run_from_file": false,
+    "do_parameter_estimation": true
+   }
\ No newline at end of file