Climate
The average, year-after-year conditions of weather occurrences over a 30-year span in a given area is called this.
Climate
Rain or snow falls on the side of the mountain st the air mass hits, also known as this.
Windward side
An arid region that gets less than 25 centimeters of rain per year is called this.
Desert
This climate region has a high elevation and cool temperatures year round.
Highlands
As altitude increases, temperature does this.
Decreases
Fill in the blank: The seasons are a result of the _________ of Earth's axis in orbit.
Tilt
Tropical grasslands are called this.
Savannahs
This is permanently frozen soil found in the tundra region.
Permafrost
Scientists use ice core samples to measure changing levels of this gas in Earth's atmosphere.
Carbon dioxide
Gases that trap heat in the atmosphere are called this.
Greenhouse gasses
A small area with climate conditions different from those around it is called this.
Microclimate
The motion known as this brings up tiny ocean organisms, minerals, and other nutrients from the deepest layers of the water.
Upwelling
On this side of the mountain, an arid or semiarid climate is expected.
Leeward
The cold, glacial periods in Earth's history are called this.
Glacial ice stages
The gradual increase in the average temperature of Earth's atmosphere is called this.
Global warming
Thick areas of trees that get large amounts of rain year round are called these.
Tropical rainforests
The northeastern United States has this type of climate.
Humid Continental
Temperatures are always at or below freezing in this climate region.
Polar ice cap regions
California's Mojave Desert is an example of this type of climate region.
Arid
This is a major cause of ozone depletion.
Chlorofluorocarbons or CFCs
The most often used climate classification is called this.
Köppen Climate Classification
Strong rain events over a large region that change direction with the seasons are called these.
Monsoons
The Southern Hemisphere is tilted toward the Sun during this month.
December
The oceanic current that helps keep Europe coastal climates mild in winter is called this.
Gulf Stream
A temporary warm-water event in the Pacific Ocean is called this.
El Niño