diff --git a/wis/earth-system-discipline/ocean/surface-based-observations/autonomous-underwater-vehicles.ttl b/wis/earth-system-discipline/ocean/surface-based-observations/autonomous-underwater-vehicles.ttl
new file mode 100644
index 0000000..acfc2c4
--- /dev/null
+++ b/wis/earth-system-discipline/ocean/surface-based-observations/autonomous-underwater-vehicles.ttl
@@ -0,0 +1,8 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+
+<autonomous-underwater-vehicles> a skos:Concept ;
+        rdfs:label "autonomous-underwater-vehicles" ;
+        skos:notation "autonomous-underwater-vehicles" ;
+        dct:description "Data from autonomous under water vehicles"@en .
\ No newline at end of file
diff --git a/wis/earth-system-discipline/ocean/surface-based-observations/drifting-ocean-profilers.ttl b/wis/earth-system-discipline/ocean/surface-based-observations/drifting-ocean-profilers.ttl
new file mode 100644
index 0000000..3cee289
--- /dev/null
+++ b/wis/earth-system-discipline/ocean/surface-based-observations/drifting-ocean-profilers.ttl
@@ -0,0 +1,8 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+
+<drifting-ocean-profilers> a skos:Concept ;
+        rdfs:label "drifting-ocean-profilers" ;
+        skos:notation "drifting-ocean-profilers" ;
+        dct:description "Data from drifting ocean profilers, e.g. Argo"@en .
\ No newline at end of file
diff --git a/wis/earth-system-discipline/ocean/surface-based-observations/fixed-coastal-stations.ttl b/wis/earth-system-discipline/ocean/surface-based-observations/fixed-coastal-stations.ttl
new file mode 100644
index 0000000..39f2e1d
--- /dev/null
+++ b/wis/earth-system-discipline/ocean/surface-based-observations/fixed-coastal-stations.ttl
@@ -0,0 +1,8 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+
+<fixed-coastal-stations> a skos:Concept ;
+        rdfs:label "fixed-coastal-stations" ;
+        skos:notation "fixed-coastal-stations" ;
+        dct:description "Data from fixed coastal stations, e.g. sea level monitoring station, HF radars etc"@en .
\ No newline at end of file
diff --git a/wis/earth-system-discipline/ocean/surface-based-observations/moored-buoys-and-moorings.ttl b/wis/earth-system-discipline/ocean/surface-based-observations/moored-buoys-and-moorings.ttl
new file mode 100644
index 0000000..8b2fe5d
--- /dev/null
+++ b/wis/earth-system-discipline/ocean/surface-based-observations/moored-buoys-and-moorings.ttl
@@ -0,0 +1,8 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+
+<moored-buoys-and-moorings> a skos:Concept ;
+        rdfs:label "moored-buoys-and-moorings" ;
+        skos:notation "moored-buoys-and-moorings" ;
+        dct:description "Data from moored buoys and moorings"@en .
\ No newline at end of file
diff --git a/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-3.ttl b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-3.ttl
new file mode 100644
index 0000000..126c1d3
--- /dev/null
+++ b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-3.ttl
@@ -0,0 +1,10 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+@prefix ldp: <http://www.w3.org/ns/ldp#> .
+@prefix reg: <http://purl.org/linked-data/registry#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<pleiades-neo-3> a reg:Register , skos:Collection , ldp:Container ;
+        ldp:hasMemberRelation skos:member ;
+        rdfs:label "pleiades-neo-3" ;
+        dct:description "Pleiades-Neo 3" .
\ No newline at end of file
diff --git a/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-3/pleiades-neo.ttl b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-3/pleiades-neo.ttl
new file mode 100644
index 0000000..0a811ee
--- /dev/null
+++ b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-3/pleiades-neo.ttl
@@ -0,0 +1,8 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+
+<pleiades-neo> a skos:Concept ;
+        rdfs:label "pleiades-neo" ;
+        skos:notation "pleiades-neo" ;
+        dct:description "Pleiades-Neo"@en .
\ No newline at end of file
diff --git a/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-4.ttl b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-4.ttl
new file mode 100644
index 0000000..9bf76e2
--- /dev/null
+++ b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-4.ttl
@@ -0,0 +1,10 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+@prefix ldp: <http://www.w3.org/ns/ldp#> .
+@prefix reg: <http://purl.org/linked-data/registry#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+
+<pleiades-neo-4> a reg:Register , skos:Collection , ldp:Container ;
+        ldp:hasMemberRelation skos:member ;
+        rdfs:label "pleiades-neo-4" ;
+        dct:description "Pleiades-Neo 4" .
\ No newline at end of file
diff --git a/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-4/pleiades-neo.ttl b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-4/pleiades-neo.ttl
new file mode 100644
index 0000000..0a811ee
--- /dev/null
+++ b/wis/earth-system-discipline/weather/space-based-observations/pleiades-neo-4/pleiades-neo.ttl
@@ -0,0 +1,8 @@
+@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix dct: <http://purl.org/dc/terms/> .
+
+<pleiades-neo> a skos:Concept ;
+        rdfs:label "pleiades-neo" ;
+        skos:notation "pleiades-neo" ;
+        dct:description "Pleiades-Neo"@en .
\ No newline at end of file