diff --git a/experiment/meteo_france_data/scm_models_data/crocus/taline_data.py b/experiment/meteo_france_data/scm_models_data/crocus/taline_data.py
index 681fe9241b5204b601d9a3a64c6b9d3b26ccee1b..183b0818b3cb72c8b122d5f92fcbce4cc5ce4a21 100644
--- a/experiment/meteo_france_data/scm_models_data/crocus/taline_data.py
+++ b/experiment/meteo_france_data/scm_models_data/crocus/taline_data.py
@@ -12,11 +12,11 @@ study_class = CrocusDepth
 all_days = study_class(altitude=0).all_days
 altitude_to_queyras_depth = OrderedDict()
 for altitude in ALTITUDES[:]:
-    study = study_class(altitude=altitude)
+    study = study_class(altitude=altitude, orientation=90.0)
     if massif_name in study.study_massif_names:
         idx_queyras = study.study_massif_names.index(massif_name)
         queyras_all_daily_series = study.all_daily_series[:, idx_queyras]
         altitude_to_queyras_depth[altitude] = queyras_all_daily_series
 df = pd.DataFrame.from_dict(altitude_to_queyras_depth)
 df.index = all_days
-df.to_csv('{}_{}.csv'.format(massif_name, get_display_name_from_object_type(study_class)))
\ No newline at end of file
+df.to_csv('{}_{}_90.csv'.format(massif_name, get_display_name_from_object_type(study_class)))
\ No newline at end of file
diff --git a/experiment/meteo_france_data/scm_models_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py b/experiment/meteo_france_data/scm_models_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
index 1575059258658cf3fa5a6f20c1a112f84720c8e4..fc92b91c72b1b2afa87155fb359de09c35b09f7d 100644
--- a/experiment/meteo_france_data/scm_models_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
+++ b/experiment/meteo_france_data/scm_models_data/visualization/hypercube_visualization/altitude_hypercube_visualizer.py
@@ -512,7 +512,7 @@ class AltitudeHypercubeVisualizer(AbstractHypercubeVisualizer):
                                                  show_or_save_to_file=True,
                                                  poster_plot=False,
                                                  write_text_on_massif=True,
-                                                 display_trend_color=False):
+                                                 display_trend_color=True):
         last_title = ''
         for subtitle, reduction_function in self.subtitle_to_reduction_function(self.index_reduction,
                                                                                 level=self.massif_index_level,
diff --git a/experiment/paper1_steps/poster_EVAN2019/some_experiment_EVAN.py b/experiment/paper1_steps/poster_EVAN2019/some_experiment_EVAN.py
new file mode 100644
index 0000000000000000000000000000000000000000..e4c731a1952208f6439d598b133472a3279c60cc
--- /dev/null
+++ b/experiment/paper1_steps/poster_EVAN2019/some_experiment_EVAN.py
@@ -0,0 +1,34 @@
+from experiment.meteo_france_data.scm_models_data.crocus.crocus import CrocusDepth, CrocusSweTotal, CrocusSwe3Days
+from experiment.meteo_france_data.scm_models_data.safran.safran import SafranSnowfall
+from experiment.meteo_france_data.scm_models_data.visualization.hypercube_visualization.altitude_year_hypercube_visualizer import \
+    Altitude_Hypercube_Year_Visualizer, AltitudeHypercubeVisualizerWithoutTrendType
+from experiment.meteo_france_data.scm_models_data.visualization.study_visualization.main_study_visualizer import \
+    SCM_STUDIES
+from experiment.trend_analysis.univariate_test.abstract_comparison_non_stationary_model import ComparisonAgainstMu, \
+    ComparisonAgainstSigma
+from experiment.trend_analysis.univariate_test.gev_trend_test_one_parameter import GevScaleTrendTest, \
+    GevLocationTrendTest
+from experiment.trend_analysis.univariate_test.gev_trend_test_two_parameters import GevLocationAndScaleTrendTest
+from experiment.paper1_steps.utils import get_full_altitude_visualizer
+
+POSTER_ALTITUDES = [900, 1800, 2700]
+import matplotlib as mpl
+
+mpl.rcParams['hatch.linewidth'] = 0.3
+
+
+def main_non_stationary_model_comparison():
+    stop_loop = False
+    for altitude in POSTER_ALTITUDES[:]:
+        for trend_test_class in [GevLocationTrendTest, GevScaleTrendTest, GevLocationAndScaleTrendTest, ComparisonAgainstMu, ComparisonAgainstSigma][::-1]:
+            vizualiser = get_full_altitude_visualizer(Altitude_Hypercube_Year_Visualizer, altitude=altitude,
+                                                      exact_starting_year=1958, reduce_strength_array=False,
+                                                      trend_test_class=trend_test_class,
+                                                      )
+            # vizualiser.save_to_file = False
+            vizualiser.visualize_massif_trend_test_one_altitude(poster_plot=True, write_text_on_massif=False)
+            if stop_loop:
+                return
+
+if __name__ == '__main__':
+    main_non_stationary_model_comparison()
diff --git a/experiment/trend_analysis/univariate_test/abstract_comparison_non_stationary_model.py b/experiment/trend_analysis/univariate_test/abstract_comparison_non_stationary_model.py
new file mode 100644
index 0000000000000000000000000000000000000000..cb569655c2e2cf5b918d83a1755148ad946a3735
--- /dev/null
+++ b/experiment/trend_analysis/univariate_test/abstract_comparison_non_stationary_model.py
@@ -0,0 +1,30 @@
+from experiment.trend_analysis.univariate_test.abstract_gev_trend_test import AbstractGevTrendTest
+from experiment.trend_analysis.univariate_test.gev_trend_test_two_parameters import GevLocationAndScaleTrendTest
+from extreme_estimator.extreme_models.margin_model.temporal_linear_margin_model import \
+    NonStationaryLocationAndScaleModel, NonStationaryLocationStationModel, NonStationaryScaleStationModel
+
+
+class AbstractComparisonNonStationaryModel(AbstractGevTrendTest):
+
+    @property
+    def degree_freedom_chi2(self) -> int:
+        raise NotImplementedError
+
+
+class AbstractComparisonNonStationaryModelOneParameter(AbstractComparisonNonStationaryModel):
+
+    @property
+    def degree_freedom_chi2(self) -> int:
+        return 1
+
+
+class ComparisonAgainstMu(AbstractComparisonNonStationaryModelOneParameter, GevLocationAndScaleTrendTest):
+
+    def __init__(self, years, maxima, starting_year):
+        super().__init__(years, maxima, starting_year, stationary_model_class=NonStationaryLocationStationModel)
+
+
+class ComparisonAgainstSigma(AbstractComparisonNonStationaryModelOneParameter, GevLocationAndScaleTrendTest):
+
+    def __init__(self, years, maxima, starting_year):
+        super().__init__(years, maxima, starting_year, stationary_model_class=NonStationaryScaleStationModel)
diff --git a/experiment/trend_analysis/univariate_test/abstract_gev_trend_test.py b/experiment/trend_analysis/univariate_test/abstract_gev_trend_test.py
index 80fd5214c12317107709bcc7163c5052f54317f5..deae22fc07f4e43c8b80bf2f8338279e3ea728d6 100644
--- a/experiment/trend_analysis/univariate_test/abstract_gev_trend_test.py
+++ b/experiment/trend_analysis/univariate_test/abstract_gev_trend_test.py
@@ -25,7 +25,7 @@ class AbstractGevTrendTest(AbstractUnivariateTest):
     quantile_for_strength = 0.98
     nb_years_for_quantile_evolution = 10
 
-    def __init__(self, years, maxima, starting_year, non_stationary_model_class):
+    def __init__(self, years, maxima, starting_year, non_stationary_model_class, stationary_model_class=StationaryStationModel):
         super().__init__(years, maxima, starting_year)
         df = pd.DataFrame({AbstractCoordinates.COORDINATE_T: years})
         df_maxima_gev = pd.DataFrame(maxima, index=df.index)
@@ -35,8 +35,10 @@ class AbstractGevTrendTest(AbstractUnivariateTest):
         self.dataset = AbstractDataset(observations=observations, coordinates=self.coordinates)
 
         try:
+            # todo: rename stationary -> standard, non-stationary -> more complex model
             # Fit stationary model
-            self.stationary_estimator = LinearMarginEstimator(self.dataset, StationaryStationModel(self.coordinates))
+            stationary_model = stationary_model_class(self.coordinates, starting_point=self.starting_year)
+            self.stationary_estimator = LinearMarginEstimator(self.dataset, stationary_model)
             self.stationary_estimator.fit()
             # Fit non stationary model
             non_stationary_model = non_stationary_model_class(self.coordinates, starting_point=self.starting_year)
diff --git a/experiment/trend_analysis/univariate_test/gev_trend_test_two_parameters.py b/experiment/trend_analysis/univariate_test/gev_trend_test_two_parameters.py
index 386ed310cd1b9527f6047acaeae25ff40f901f7d..c2b0cbcaa6da16da407db2483c0d9bad2b34f924 100644
--- a/experiment/trend_analysis/univariate_test/gev_trend_test_two_parameters.py
+++ b/experiment/trend_analysis/univariate_test/gev_trend_test_two_parameters.py
@@ -1,6 +1,6 @@
 from experiment.trend_analysis.univariate_test.abstract_gev_trend_test import AbstractGevTrendTest
 from extreme_estimator.extreme_models.margin_model.temporal_linear_margin_model import \
-    NonStationaryLocationAndScaleModel
+    NonStationaryLocationAndScaleModel, StationaryStationModel
 from extreme_estimator.margin_fits.gev.gev_params import GevParams
 
 
@@ -13,9 +13,9 @@ class GevTrendTestTwoParameters(AbstractGevTrendTest):
 
 class GevLocationAndScaleTrendTest(GevTrendTestTwoParameters):
 
-    def __init__(self, years, maxima, starting_year):
+    def __init__(self, years, maxima, starting_year, stationary_model_class=StationaryStationModel):
         super().__init__(years, maxima, starting_year,
-                         NonStationaryLocationAndScaleModel)
+                         NonStationaryLocationAndScaleModel, stationary_model_class=stationary_model_class)
 
     @property
     def mu1(self):