hydrology

science that deals with the water above, on and below the land surface of the earth

en-US/haɪˈdɹɑləd͡ʒi/
en-GB/haɪˈdɹɒləd͡ʒɪ/

श्रेणियाँ:

field of studyacademic disciplinebranch of sciencescience