diff --git a/docs/Tutorial/cases/CANOPY.rst b/docs/Tutorial/cases/CANOPY.rst
index ff7198d..3dcbf57 100644
--- a/docs/Tutorial/cases/CANOPY.rst
+++ b/docs/Tutorial/cases/CANOPY.rst
@@ -30,7 +30,7 @@ Input parameters
     \end{cases} 
 
 * Surface heat flux:  :math:`0.0` Km/s
-* Surface roughness length: :math:`z_0=1e-12` m
+* Surface roughness length: :math:`z_0=1.0 \times 10^{-12}` m
 * Rayleigh damping layer: uppermost :math:`600` m of the domain
 * Initial perturbations: :math:`\pm 0.25` K 
 * Depth of perturbations: :math:`375` m
diff --git a/docs/Tutorial/images/TURB-PROF-canopy.png b/docs/Tutorial/images/TURB-PROF-canopy.png
index 5955198..607c7fa 100644
Binary files a/docs/Tutorial/images/TURB-PROF-canopy.png and b/docs/Tutorial/images/TURB-PROF-canopy.png differ
diff --git a/docs/Tutorial/images/UVWTHETA-XY-canopy.png b/docs/Tutorial/images/UVWTHETA-XY-canopy.png
index 864456b..767dee4 100644
Binary files a/docs/Tutorial/images/UVWTHETA-XY-canopy.png and b/docs/Tutorial/images/UVWTHETA-XY-canopy.png differ
diff --git a/docs/Tutorial/images/UVWTHETA-XZ-canopy.png b/docs/Tutorial/images/UVWTHETA-XZ-canopy.png
index 428cbe0..be6178d 100644
Binary files a/docs/Tutorial/images/UVWTHETA-XZ-canopy.png and b/docs/Tutorial/images/UVWTHETA-XZ-canopy.png differ
diff --git a/tutorials/examples/Example01_NBL.in b/tutorials/examples/Example01_NBL.in
index 889d835..f940fc5 100755
--- a/tutorials/examples/Example01_NBL.in
+++ b/tutorials/examples/Example01_NBL.in
@@ -68,6 +68,7 @@ diffusionSelector = 0 # diffusivity selector: 0= none, 1= const.
 nu_0 = 0.0 # constant diffusivity used when diffusionSelector = 1
 ##------------: EXPLICIT FILTERS ---
 filterSelector = 1 # explicit filter selector: 0=off, 1=on
+filter_6thdiff_vert = 1 # vertical 6th-order filter on w selector: 0=off, 1=on
 filter_6thdiff_vert_coeff = 0.03 # vertical 6th-order filter factor: 0.0=off, 1.0=full
 ##----------: RAYLEIGH DAMPING LAYER ---
 dampingLayerSelector = 1 # Rayleigh damping layer selector: 0= off, 1= on.
diff --git a/tutorials/examples/Example02_CBL.in b/tutorials/examples/Example02_CBL.in
index 9b2c172..ed77200 100755
--- a/tutorials/examples/Example02_CBL.in
+++ b/tutorials/examples/Example02_CBL.in
@@ -68,6 +68,7 @@ diffusionSelector = 0 # diffusivity selector: 0= none, 1= const.
 nu_0 = 0.0 # constant diffusivity used when diffusionSelector = 1
 ##------------: EXPLICIT FILTERS ---
 filterSelector = 1 # explicit filter selector: 0=off, 1=on
+filter_6thdiff_vert = 1 # vertical 6th-order filter on w selector: 0=off, 1=on
 filter_6thdiff_vert_coeff = 0.03 # vertical 6th-order filter factor: 0.0=off, 1.0=full
 ##----------: RAYLEIGH DAMPING LAYER ---
 dampingLayerSelector = 1 # Rayleigh damping layer selector: 0= off, 1= on.
diff --git a/tutorials/examples/Example03_SBL.in b/tutorials/examples/Example03_SBL.in
index a8e00e2..92572a4 100755
--- a/tutorials/examples/Example03_SBL.in
+++ b/tutorials/examples/Example03_SBL.in
@@ -68,6 +68,7 @@ diffusionSelector = 0 # diffusivity selector: 0= none, 1= const.
 nu_0 = 0.0 # constant diffusivity used when diffusionSelector = 1
 ##------------: EXPLICIT FILTERS ---
 filterSelector = 0 # explicit filter selector: 0=off, 1=on
+filter_6thdiff_vert = 1 # vertical 6th-order filter on w selector: 0=off, 1=on
 filter_6thdiff_vert_coeff = 0.03 # vertical 6th-order filter factor: 0.0=off, 1.0=full
 ##----------: RAYLEIGH DAMPING LAYER ---
 dampingLayerSelector = 1 # Rayleigh damping layer selector: 0= off, 1= on.
diff --git a/tutorials/examples/Example04_BOMEX.in b/tutorials/examples/Example04_BOMEX.in
index 7ef02e5..8ecab14 100755
--- a/tutorials/examples/Example04_BOMEX.in
+++ b/tutorials/examples/Example04_BOMEX.in
@@ -68,6 +68,7 @@ diffusionSelector = 0 # diffusivity selector: 0= none, 1= const.
 nu_0 = 0.0 # constant diffusivity used when diffusionSelector = 1
 ##------------: EXPLICIT FILTERS ---
 filterSelector = 1 # explicit filter selector: 0=off, 1=on
+filter_6thdiff_vert = 1 # vertical 6th-order filter on w selector: 0=off, 1=on
 filter_6thdiff_vert_coeff = 0.03 # vertical 6th-order filter factor: 0.0=off, 1.0=full
 ##----------: RAYLEIGH DAMPING LAYER ---
 dampingLayerSelector = 1 # Rayleigh damping layer selector: 0= off, 1= on.
diff --git a/tutorials/examples/Example05_CANOPY.in b/tutorials/examples/Example05_CANOPY.in
index 49f4b78..95f4226 100755
--- a/tutorials/examples/Example05_CANOPY.in
+++ b/tutorials/examples/Example05_CANOPY.in
@@ -73,6 +73,7 @@ diffusionSelector = 0 # diffusivity selector: 0= none, 1= const.
 nu_0 = 0.0 # constant diffusivity used when diffusionSelector = 1
 ##------------: EXPLICIT FILTERS ---
 filterSelector = 1 # explicit filter selector: 0=off, 1=on
+filter_6thdiff_vert = 1 # vertical 6th-order filter on w selector: 0=off, 1=on
 filter_6thdiff_vert_coeff = 0.03 # vertical 6th-order filter factor: 0.0=off, 1.0=full
 ##----------: RAYLEIGH DAMPING LAYER ---
 dampingLayerSelector = 1 # Rayleigh damping layer selector: 0= off, 1= on.