A Hydrologist.
Hydrologist
A person who studies ground water is called a hydrogeologist. They specialize in studying the occurrence, movement, and properties of groundwater within the Earth's subsurface.
a person who studies people but not an psychologist
A person who studies genealogies is a genealogist.
A person who studies organisms is called a biologist.
a person that studies gems is called a gemologist.
what do you call somebody who studies snails.
A person who studies water and its properties is called a Hydrogeologist.
A hydrologist is a person who studies water, including the water cycle.
A person who studies poisons is called a toxicologist.
A person who studies the earth is called a geologist.
A person who studies birds is called an ornithologist.