Columbia subject headings:
Continental shelf--Remote sensing--Congresses.
Ocean circulation--Remote sensing--Congresses.
Ocean currents--Remote sensing--Congresses.
Harvard subject headings:
Continental shelf--Remote sensing--Congresses.
Ocean circulation--Remote sensing--Congresses.
Ocean currents--Remote sensing--Congresses.
Princeton subject headings:
Continental shelf--Remote sensing--Congresses.
Ocean circulation--Remote sensing--Congresses.
Ocean currents--Remote sensing--Congresses.