Columbia subject headings:
Geophysics--Periodicals.
Hydrology--Periodicals.
Meteorology--India--Periodicals.
Meteorology--Periodicals.
Harvard subject headings:
Geophysics--Periodicals
Hydrology--Periodicals.
Meteorology--India--Periodicals.
Meteorology--Periodicals
Princeton subject headings:
Geophysics--Periodicals.
Hydrology--Periodicals.
Meteorlogy--India--Periodicals.
Meteorology--Periodicals.
Periodicals.