Hydrologist Stock Photos, Royalty-Free Images

Inside of hygrometer made of metal with water inside used in measuring rainwater level by hydrologist or meteorologist.

The top of the monument in honor of the hydrologist engineer Darcy in Dijon

The monument in honor of the hydrologist engineer Darcy in Dijon

Industrial ecologist takes a sample of water from old quarry

Industrial ecologist visually evaluates the response of a water sample from lake at the site of a flooded quarry

Industrial ecologist visually evaluates the response of a water sample from lake at the site of a flooded mining pit

Postage stamp printed in the Soviet Union in 1980. Ship, Soviet research vessel Valerian Uryvaev. Bas-relief of the Soviet