Columbia subject headings:
Harvard subject headings:
Hydrology--Remote sensing--Congresses.
Meteorology, Agricultural--Remote sensing--Congresses.
Oceanography--Remote sensing--Congresses
Remote sensing--Congresses.
Princeton subject headings:
Earth sciences--Remote sensing--Congresses.
Hydrology--Remote sensing--Congresses.
Meteorology, Agricultural--Remote sensing--Congresses.
Oceanography--Remote sensing--Congresses.