IB environmental systems and societies- terms and vocab from topic 1-8
a model that can be used to estimate the demands that a human population places on the environment. It is a measure of the amount of land that is needed to support a population.
The EFÂ considers two aspects:
Biocapacity: this is the earth’s bioproductive land and sea. Ex: includes forests, cropland, pastures and fisheries.
Demand:Â considers the amount of bioproductive land we need to provide our resources and space for infrastructure and absorb the waste.
move energy and matter and change it’s state or form. Ex:
Water changes state from solid, to liquid to gas (matter).
Incoming light is transformed into heat as it is re-radiated from the earth’s surface (energy).
Energy is converted into matter during photosynthesis.
occurs when sunlight activates reactions between (NOx) and volatile organic compounds (VOCs) resulting in the formation of ozone and peroxyacyl nitrates (PAN).
mostly likely to be formed under the following conditions:
High emissions of pollutants
Cities
traffic
High levels of sunlight
Calm or light winds
Dry weather conditions
Hills/mountains
thermal inversion