diff --git a/definitions/variable/static.yaml b/definitions/variable/static.yaml
index 9fb867a37..c045b27c6 100644
--- a/definitions/variable/static.yaml
+++ b/definitions/variable/static.yaml
@@ -33,6 +33,10 @@
   comment: >-
     The total area associated with each grid cell in the model.
   sectors:
+  - biomes
+  - fire
+  - peat
+  - permafrost
   - water_global
   valid_max: 3250.0
   valid_min: 0.0
@@ -44,10 +48,31 @@
   frequency: fixed
   resolution: 0.5° grid
   comment: >-
-    The fraction of each grid cell that is assumed to be continent, i.e., not ocean.
+    The fraction of each grid cell that is assumed to be continent, i.e. including inland water bodies but excluding ocean shares.
     Should be 0 if the entire cell is assumed to be ocean, 1 if the entire cell is
     assumed to be covered by land or inland water bodies.
   sectors:
+  - biomes
+  - fire
+  - peat
+  - permafrost
+  - water_global
+  valid_max: 1.0
+  valid_min: 0.0
+
+- specifier: landfrac
+  long_name: Land Fraction of Grid Cell
+  group: static-variables
+  units: '1'
+  frequency: fixed
+  resolution: 0.5° grid
+  comment: >-
+    The fraction of each grid cell that is assumed to be land, i.e. excluding oceans and inland water bodies.
+  sectors:
+  - biomes
+  - fire
+  - peat
+  - permafrost
   - water_global
   valid_max: 1.0
   valid_min: 0.0