Study Flashcards
(23 cards)
What is one of the key drivers of weather?
The amount of moisture in the air
What is the amount of moisture in an air mass referred to as?
It’s Humidity
What is Precipitation
General term for water falling through the atmosphere. It includes liquid water and frozen water. Ex. Rain & snow/ hail.
Phase changes in water occur with?
The release or absorption of energy.
What is Dew Point
The temperature at which an air mass is 100% saturated.
True or false. Air masses cool and rise at different rates depending on there moisture content.
True
If air is warmer than its surrounding air it will?
Be less dense and rise
What is a lapse rate?
The rate at which an atmospheric variable, (temperature within the atmosphere) falls with altitude.
What is the lapse rate for dry air?
9.8C / km
Describe the formation
Cumulus, flat bases and puffy
Describe
Cirrocumulus cloud. High altitude, patchy, white, small rounded elements. Often appearing as ripples or grains.
Describe
Cirrus clouds, high altitude, composed of ice crystals can indicate fair weather or a warm front.
Describe
Cumulonimbus. Thunderclouds, dense towering, multi layered flat anvil topped clouds. Often create heavy precipitation or storm.
Describe
Lenticular
What type of graph is this?
Climograph
What layer lies underneath the Lithosphere
Asthenosphere
Cinder Cone Volcano
Small, symmetrical, steep sided formed by cinder or scoria ejected from a volcano vent.
Tectonic Tension
Occurs when rocks are pulled apart from each other leading to stretching and thinning of the earths crust.
A viscous liquid
Is high in silica
Lava Dome Volcano
Form when there is high silica content. Extreme amount of lava flow coming out of a volcanic vent resulting in a steep spherical volcano.
Alfred Wegener
German climatologist/ geologist. The originator of the continental drift hypothesis (Pangea)
What are the three critical components to the fluvial geomorphology system
Erosion (most active in the head water zone)
Transportation (dominant in the transfer zone)
Deposition zone (most active in the depositional zone)
Material eroded, transported, and deposited in the fluvial system is referred to as?
Alluvium