Freshwater
What is the Hydrologic Cycle? 3 Steps of the Water Cycle
The hydrologic cycle describes how water moves continuously in nature. From evaporation, condensation and surface runoff – water is always in motion. […]
Freshwater
Freshwater
Why Watersheds Are Like Upside-Down Umbrellas
When it rains, water zig-zags all the way through a tributary system to a river or lake. Like an upside-down umbrella, a watershed catches all rain water. […]
Freshwater
A Guide to Groundwater: Earth’s Hidden Freshwater Supply
Despite the popular belief that groundwater exists as a huge lake underground, water actually exists in tiny pore spaces within rock and soil beneath our feet. […]
Freshwater
States of Water: Gas, Liquid and Solid
Because water is extremely versatile, it changes phases rapidly. The states of water are gas, liquid and solid. Water cycles through these phases in nature. […]
Freshwater
How Does Eutrophication Work? Causes, Process and Examples
Eutrophication occurs in water bodies when too many nutrients are introduced. Over-fertilization of water causes algae to grow blocking sunlight for plants. […]
Freshwater
River Delta: How It Forms
Streams carrying too much sediment clogs the entrance into the basin. As sediments dump in, water flow decelerates and widens the entrance forming a delta. […]
