MIDTERM 1 Flashcards
What are the 6 sub disciplines of geography developed by Immanuel Kant?
Physical
Mathematical
Moral
Political
Commercial
Theological
The Quantitative Revolution
measurement became central focus of research in physical geography
The 4 academic traditions of geography
Spatial
Area Studies
Human-Land
Earth Science
5 themes of modern geography
Location
Region
Human-land tradition
Movement
Place
System
any ordered interrelated set of things and their attributes linked by flows of energy and matter as distinct from the surrounding environment outside the system
The 3 types of systems
isolated
opened
closed
Closed system example
earth systems in terms of matter and resources (no new nothing has entered earth)
Open system example
photosynthesis
The 2 kinds of feedback loops
Positive
Negative
negative feedback loop
new information discourages response in a system
ex. more lynx in populations means less hares in a population
Positive feedback loop
new information increases response in system
ex. ice albedo loop:
steady state equilibrium
Rates of system where input/outputs are equal, and amount of material in system is more constant over time
dynamic equilibrium
The state of natural systems oscillates around a mean condition, but will trend over time (will stay the same, but on a trend)
nebula hypothesis
spinning mass makes one plane, gravity forms protosun, accretion forms planets
what is our knowledge of the universe based on?
optical and radio telescopes
3 components the Milky Way is compromised of
disk
nuclear buldge
halo
Disk
Plane of rotation consisting of young stars, globular clusters, gas and dust
Nuclear bulge
dense mass of young and old stars
Halo
Thin cloud of stars
What components made up the early atmosphere?
H2O
HCN
NH3
CH4
S
What new components made up the second atmosphere?
CO2
N2
What caused an increase in O2 into atmosphere from 1% to 21%
Development of evolution and growth of life
The 4 “spheres” of earth
Lithosphere/geosphere
Atmosphere
Hydrosphere
Biosphere
Lithosphere/geosphere
The rocky group of earth
Consists of 3 components:
-igneous
-sedimentary
-metamorphic
Atmosphere
gaseous envelope of air that surrounds earth
where weather occurs
Water moves around earth by what processes?
Evaporation
condensation
Run-off
precipitation
Infiltration
Groundwater flow
Biosphere
contains all living things
What is responsible for diversity and complexity in living things?
Evolution
2 types of energy
Kinetic
Potential
7 different forms of energy
Heat
Electricity
Sound
Energy of chemical reactions
Magnetic attraction
Energy of atomic reactions
Light
What are the 3 ways energy can be transferred?
Conduction
Convection
Radiation
Conduction
Energy transferred directly from molecule to molecule; represents flow of energy along temp gradient
Convection
Transfer of energy by vertical mass motions of a gaseous/liquid medium
Radiation
Emission/propagation of energy in form of electromagnetic waves
What is the biggest form of energy transfer on earth
radiation
radioactive decay
loss of subatomic particles from an atom
ions
elements with a + or - charge
molecules
structures of matter larger than 1 atom
compounds
different elements joining together
The other 4 states of matter
Plasma
Supercooled liquid (glass)
Supercritical fluid
Bose-einstein condensate
what 2 forms can matter be found in
Organic
Inorganic
examples of organic compounds
Lipids
Carbs
Proteins
Nucleic acids