The amount of water on earth has changed by this percent over the last 5,000 years.
What is 0% (no change)
100
The formula for discharge is this.
What is discharge = width x depth x velocity.
100
Soil that is the MOST porous looks like this...
Soil that is the LEAST porous looks like this...
Most O; Medium o; least .
200
A drastic drop in temperature in the transition zone is called this.
What is the thermocline.
200
These processes of the water cycle return water vapor directly to the atmosphere.
What are evaporation and transpiration.
200
When drawing the divide around a watershed on a topographic map, this physical feature should be connected to show where all of the water will drain from.
What is the highest elevation around each stream or river.
200
A confined aquifer may be bordered by layers of these.
What are clay and granite.
200
A broad, flat area running parallel to either side of a stream channel is called this.
What is a flood plain.
300
Salts get into the ocean through this process.
What is rivers and streams deliver salt to the ocean (from weathering of rocks).
300
This force moves water from streams to rivers to the ocean.
What is gravity.
300
The least runoff would result in an area with
What is no slope, a lot of vegetation.
300
The carrying capacity of a stream is this ability.
What is to transport sediment.
300
This earth material would permit the LEAST amount of rainwater to infiltrate the surface.
What is clay.
400
Prevailing winds control this.
What is the direction of surface currents.
400
Temperatures in the desert are less mild (change more) than at the coast because of this.
What is less water vapor in the desert than the coast.
400
The process by which water runoff on the land is filtered down into the subsurface.
What is infiltration.
400
A wetland is a this...
What is a low-lying area that is covered in water a large part of the year.
400
A farmer choose to live in a place that will eventually flood for this practical reason.
What is repeated flooding in the past has deposited nutrient rich sediments creating excellent top soil.
500
Nutrients are brough up from the ocean floor by this process.
What is upwelling
500
Coastal climates are ___ mild due to the ___ specific heat capacity of water.
What are MORE and HIGH.
500
This source usually replenishes ground water.
What is surface water.
500
The area where freshwater enters the ocean is called this.
What is an estuary.
500
When rain falls on a soil surface, flooding at that location would most likely occur for this reason.