Show Menu
Cheatography

Geog.121 Cheat Sheet (DRAFT) by

Dirty Geography Handbook

This is a draft cheat sheet. It is a work in progress and is not finished yet.

GEOGRAPHIC TRADITIONS

SPATIAL
REGIONAL
MAN-LAND
PHYSICAL

GEOGRAPHIC THEMES

LOCATION
absolute / relative

PLACE
surface features
climate
landfo­rms­/la­nds­capes

HUMAN-­ENV­IRO­NMENT INTERA­CTION
adaptation
modifi­cation
depend­encies

MOVEMENT
dispersal
conver­gence
mobility of "­cap­ita­l"
linkages

REGION
scale
areas of commoness

MORPHOLOGY : FORM VARIABLES

Consti­tution
Internal properties of form
Physical and chemical properties

Config­uration
Size and form
Assemblage of forms

Mass Flow
Rates involved in movement

MORPHO­LOGY: DYNAMIC VARIABLES

Energies of process that change over time e.g. water/wind velocities
 

Types of Systems

ISOLATED
absolute / perpetual sytems
0 energy in, 0 energy out

CLOSED
Limiting boundaries
Allows passage of energy

OPEN
Open boundaries
Allows passage of energy and matter

OPEN-D­iss­ipative
Systems with irreve­rsible processes resulting in the dissip­ation of energy
Direct­ional processes in short-term stages
Cyclic systems in long-term stages


*All Geomorphic Systems are Open Systems
They all involve exchanges of matter and energy with other surrou­nding systems

GEOMORPHIC SYSTEMS: DRIVING ENERGIES

Endogenic
forces of creation
processes origin­ating from within the earth

Exogenic
forces of creation
proesses origin­ating from the surface of the earth and the atmosphere

Extrat­err­estrial
catacl­ysmic processes and black swan events
 

VOLCANISM: Areas of Formation

VULCAN­IC/­Ext­rusive
formed outside of the earth, extruded from volcanoes
fine grained, glassy
relatively less dense
exposed to atmosh­pheric activity


PLUTON­IC/­int­rusive
formed within the earth, forms intruded upon existing material
coarse grained
has a high density

VOLCANIC LANDFORMS: Extrusive

Volcanoes
Shield
Composite
Lava Domes
Cinder Cones
Calderas and Lake Volcanoes

Geysers, Fumaroles, Hotsprings
Geysers spout pressu­rized steam from underg­round water
Fumaroles spout gas
Hot springs are sources of heated water which passed through hot rock

Platea­u/Flood Basalts

Island Arcs

VOLCANIC LANDFORMS: Plutonic

BATHOLITH / STOCK
large masses of plutonic rocks (100sgkm min.)

Laccoliths
horizontal mushroom shape magma deposits along pre existing rock strata

Volcanic Necks
remnants of eroded volcanic pipes

Sills
horizontal magma sheets cutting along existing rock layers

Dikes
vertical pipes of magma cutting across rocks, also sheeted dikes

Veins

VOLCANIC ACTiVY

ACTIVE
has erupted since the last ice age (since ~10,000 years ago)

DORMANT
hasn’t erupted in the past 10,000 years, but which is expected to erupt again

EXTINCT
No expected activity
 

SEDIMENT / ROCK TYPES

Clastic / Detrital
mostly from regolith deposition

Chemical
chemical precip­itates created when the carrying capacity is exceeded

Biogenic
biological deposits such as forams and plant detritus