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Latitude lines (not imaginary, tied to real observable phenomena)
Horizontal, units of North and South, and units tell you if the line is in the northern or southern hemisphere
Equator
0 degree line no unit, Separates northern and southern hemisphere, and Highest average annual temperatures
Longitude Lines
Vertical lines tied to our timezone
Lower density
Rises
Higher Density
Sinks
Warm Air
Rises
Cool Air
Sinks
High temperature
Lower density
Lower temperature
Higher density
Convection Cell Basics
Uneven temperatures cause density differences
Density Differences causes a cycle(cell) of motion in gases, liquids, & semi-solids.
Convection cells occur throughout nature, and artificial settings
Sources of heat that drive motion (energy transfer)
Earth’s core, Sun
Earth’s core causes….
mantle convection
Weathering
Breaking down rocks into smaller pieces
Examples of chemical weathering
Acid rain, Lichen on rocks
Examples of physical weathering
Freeze/thaw, plant roots
Erosion
Natural movement of rock/sand/soil from one place to another
Forces of erosion
Water, wind, Gravity, Ice(glacier)
Deposition
The natural placement of sand/soil creating natural landforms
River Deltas
Deposition via water
Dunes
Deposition via wind
Beaches and Sandbars
Deposition via water
Floodplains
Via deposition of river water
Barrier islands
Deposition via ocean water
Salt Marshes
Deposition via water in estuary/barrier island environment
Higher velocity
Sand moves with medium
Lower velocity
Sand succumbs to gravity and falls into place
Specific Heat
The ability of a substance to resist temperature change when it absorbs or loses energy
High specific heat
Heats up slowly, Cools Slowly
Low specific heat
Heats up quickly, Cools Quickly
Land(Sand, rock, etc) and specific heat
Low Specific Heat, heats/cools quickly
Water and specific heat
High Specific Heat, heats/cools slowly
Coastal Area Climate
Cooler summers, warmer winters, water holds heat longer than land, so in winter oceans are warmer than nearby land and in summer, land warms quickly while oceans stay cooler.
Inland Climate
warmer Summers, cooler winters, no body of water to moderate temps, has more extreme temperatures.
Rising air (for any context or reason) will cause….
rain or a high precipitation climate, low pressure
Sinking air (for any context or reason) will cause…..
sunny weather, and a low precipitation climate, high pressure
Any wind is named based on….
where it comes from
Wind always moves from….
high to low pressure
Wind moving from a large body of water….
more moist/humid/wet
Wind originating from land
wind will dry out
Land breeze
a nighttime wind that blows from the land towards the sea or a large body of water, occurring when the land cools faster than the water
Sea breeze
a localized wind that blows from the ocean onto the land during the daytime. It happens because the sun heats the land faster than the sea
Planetary wind currents create….
ocean currents
Ocean currents transport….
heat & nutrients changing climates/ecosystems
Zone of accumulation
Area where glaciers gain ice, upper part (higher elevation where is colder), Snowfall adds more mass here
Zone of ablation
area where glaciers lose ice for various reasons, Lower part of the glacier (warmer area, thus melting), This is where the glacier loses mass
Equilibrium Line/Firn Line
Dividing line between zone of Accumulation/Ablation, Location of line can hint at glacier health/stability
Glacier Advances
More mass added (snowfall) in the zone of accumulation vs melting in the zone of ablation
Glacier shrinks
More mass lost in the zone of ablation vs Accumulation
Snow/ice accumulates at….
the higher elevation and actually flows downhill as if it were water
Glacier growth is directly driven by….
snowfall not temperature