Hydrology Exam

Which is the most common contamination source for freshwater resources?

• runoff

• digging wells

• melting of glaicers

• lightening

High levels of which is likely to improve biotic index of a stream?

• algae growth

• decaying matter

• suspended solids

• dissolved oxygen

It refers to water loss from vegetation to the atmosphere.

• Evaporation

• Condensation

• Transpiration

• Precipitation

It refers to water that flows over the land’s surface

• Riverflow

• Runoff

• Precipitation

• Dew

It is the process by which water soaks into, or is absorbed by, the soil

• Hydrology

• Precipitation

• Infiltration

• Percolation

In the Northern Hemisphere, currents curve to the right because of ______________________________.

• longshore drift

• the moon's gravity

• pressure

• the Coriolis Effect

Deep ocean currents are caused by

• the moon's gravity

• differences in density

• the Coriolis Effect

• surface winds

Where does most of the water evaporation on

Earth come from?

• Transpiring plants

• Rivers

• Oceans

• Surface lakes

Warm ocean currents generally come from

• The North Pole

• The South Pole

• The Equator

• The beach

The water cycle is the

• distribution of drinking water on Earth
• unending circulation of Earth's water supply
• recycling water for industrial use
• evaporation of water from Earth's surface