Climate Change Act of 2009 Flashcards
(44 cards)
what RA is climate change act?
RA 9729
what is RA 9729?
Climate Change Act of 2009
t or f: people are inadvertently changing the climate
T
modern climate change is dominated by
human influences
modern climate change is dominated by _______ that are sufficiently large as to _________________
human influences ; exceed the bounds of natural variability
weather conditions prevailing in an area in general or over a long period of time
Climate
the short-term state of the atmosphere at a particular time and place
Weather
refers to the layers of gases surrounding a planet
atmosphere
layers of atmosphere
exosphere
thermosphere
mesosphere
stratosphere
troposhere
the process by which the atmosphere is heated
greenhouse effect
the process by which the atmosphere is heated
greenhouse effect
compositions of the atmosphere
Nitrogen - 78.084%
Oxygen - 20.946%
Argon - 0.934%
Carbon dioxide - 0.0389%
includes many gases and particles that vary significantly from time to time
air
important examples of particles in air
water vapor, ozone, tiny solid and liquid particles
gaseous phase of water
water vapor
the source of all clouds and precipitation
water vapor
t or f: water vapor has the ability to absorb heat given off by Earth
T
it is a form of oxygen that combines three oxygen atoms in each molecule (O3)
ozone
how does ozone work?
ozone absorbs the potentially harmful ultraviolet radiation from the Sun
sources of aerosols
natural and human made;
sea salts from breaking waves;
fine soil blown into the air;
smoke and soot from fires;
pollen and microorganism lifted by wind;
ash and dust from volcanic eruptions
___________ passes through the atmosphere and is absorbed by the Earth’s surface
Earth’s surface emits _______ which is absorbed by ________
greenhouse gases reradiate some energy Earthward, thus trapping heat in the ________
short-wave solar radiation;
long-wave radiation, greenhouse gases;
lower atmosphere
what is the process of heating of the atmosphere?
more heat escapes into space
natural greenhouse effect
less heat escapes into space
human enhanced greenhouse effect