diff --git a/data.yml b/data.yml
index 33cb003..97fd346 100644
--- a/data.yml
+++ b/data.yml
@@ -197,7 +197,7 @@ Layer:
       table: |-
         ( SELECT geom, type
           FROM (
-              SELECT * FROM ice_z0
+              SELECT ST_Simplify(geom, 80000) AS geom, type FROM ice_z0
               WHERE z(!scale_denominator!) BETWEEN 0 AND 1
               UNION ALL
               SELECT * FROM ice_z2
diff --git a/schema/layers/ice.sql b/schema/layers/ice.sql
index 19dcee0..89d187d 100644
--- a/schema/layers/ice.sql
+++ b/schema/layers/ice.sql
@@ -1,5 +1,7 @@
 CREATE OR REPLACE VIEW ice_z0 AS (
     SELECT geom, 'glacier' AS type FROM ne_110m_glaciated_areas
+    UNION ALL
+    SELECT geom, 'ice_shelf' AS type FROM ne_50m_antarctic_ice_shelves_polys
 );
 
 CREATE OR REPLACE VIEW ice_z2 AS (