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Bio003 - Lecture 19
UCR Bio003 - Conversation Biology / Global Climate Change
23
Biology
Undergraduate 1
08/26/2009

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Term
Greenhouse gas
Definition
gases in an atmosphere that absorb and emit radiation within the thermal infrared range
Term
Greenhouse effect
Definition
heating of the surface of a planet or moon due to the presence of an atmosphere containing gases that absorb and emit infrared radiation
Term
Earth's temperature stays constant when
Definition
Constant (consistent) source of energy and greenhouse gases stay at the same levels
Term
More greenhouse gas causes
Definition
More insulation of the Earth's surfaces
Term
Space temperature is
Definition
0 Kelvin = -273 C = -459 F
Term
Main Greenhouse Gases are
Definition
Carbon Dioxide (50-200 yrs), Methane (9-15 yrs, 25x CO2), Nitrous Oxide (120 yrs, 230x CO2), CFC (65-135 yrs, 1500x-7000x CO2)
Term
Charles David Keeling
Definition
Person who raised the alarm about global warming in the 1950s through measuring CO2
Term
Keeling's work
Definition
Meaasured CO2 month to month in CA & Hawaii; Up in Spring; down in Summer; noticed CO2 went up overall per year
Term
Hypothesized cause of increase of CO2 was?
Definition
The burning of fossil fuels, causing global warming
Term
IPCC stands for?
Definition
Intergovernmental Panel on Climate Change
Term
IPCC sought to answer what 4 questions?
Definition
Is the world getting warmer?
Are humans part of the cause?
How bad will it get?
What can we do about it?
Term
IPCC found that global average temperature increase by X Celsius
Definition
0.6
Term
CO2 is stored in many places such as? Destruction of these places results in?
Definition
Peat bogs, forests, etc.
Destruction of these places releases the stored CO2
Term
How does global warming effect us?
Definition
Changes in animal, plant distribution and patterns of movement; Changes in local and regional climate/weather; Sea level rising, causing large scale flooding
Term
What is the purpose of the Kyoto Protocol and Accord (1997)?
Definition
Industrialized nations are to reduce greenhouse gas emissions and can trade for emissions with other nations
Term
How does changes in atmospheric temperature affect ocean temperature and sea-levels?
Definition
Increase in ocean temperatures, increase in the sea-level due to ice caps melting
Term
In the next 90 years, we expect a X cm increase in sea level
Definition
660 cm
Term
What will happen to the oceans' pH (historically at 8.17 pH) when CO2 increases?
Definition
The oceans will acidify (currently at 8.09 pH), calcium carbonate decreases (harder for mollusks to build shells -- made out of calcium carbonate)
Term
Polar bears are unable to hunt due to sea ice melting, narwhals are not able to breathe due to thicker ice are examples of what
Definition
Examples of effects of global warming on animals
Term
Clarthrate is?
Definition
Methane trapped within the crystal structure of water ice
Term
Clathrate gun hypothesis is?
Definition
Rises in sea temperatures can trigger sudden release of methane, contributing to the greenhouse effect
Term
explain correlation between atmospheric temperature and sea level
Definition
warm water expands, and melting of ice caps caused by temperature increases
Term
What is the "tipping point"
Definition
the moment when change becomes too late and the environment goes to shit in a hurry
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