Untitled Essay, Research Paper Mission Plana. Analysis of the Problem1. History of the Problem Some scientist’s have been concerned since 1896 about what might happen
Untitled Essay, Research Paper
Mission Plana. Analysis of the Problem1. History of the Problem
Some scientist’s have been concerned since 1896 about what might happen
were 5.5 billion tons carbon dioxide in our atmosphere. In 1961 a British scientist did an
experiment showing that the carbon in the air was absorbing some of the sun’s radiation.
Afterward a Swedish scientist, Suante Arrhenius, found out if the radiation of the sun was
trapped in the carbon dioxide the temperature of the earth would increase by 1-2 degrees.
In 1988 James Hanson, a respected scientist, told the U.S. Congress "the greenhouse
effect is occurring now and it’s changing global climate."(1989 Koral). After the
people started making factories and started using fossil fuels like coal, oil, and
It was the industrial revolution and overpopulation of humans that was the cause of the
environmental problems that we have today.
2. Human Activity Causing the Problem
The reason our Earth is getting hotter is that human activities are
much carbon dioxide into the atmosphere. The radiation from the sun gets trapped in the
bag of carbon dioxide that surrounds our earth.
One main reason for the problem of global warming is the burning of
Fossil fuels are coal, oil and natural gases. We use these fuels to run factories, power
plants, cars, trucks, buses, air conditioning and etc. The people of the earth are putting
5.5 billion tons of carbon, in the form of carbon dioxide in the air every year! Seventy
five percent of this is fossil fuels.
3. Impact Causing Global Change
For many years, scientists have been predicting that our disregard for
Nature would make the climatic temperature of this Earth to increase greatly. There have
been arguments that the whole idea of Global Warming is a hoax, that the temperature
cycle is just experiencing an upward trend and will eventually come back down. Now,
however, we are starting to see the evidence of our behavior.
Remember the great heat wave in Chicago? That could have been a
of global warming. Nearly a hundred people died, and the city’s economy came to a
standstill. A much more tragic but less known heat wave smashed into India, causing
upward of 600 deaths.
Global Warming doesn’t only increase temperatures in hot areas. It also
temperatures in cold areas. An example of this has been the cold spell that struck the
midwest. In Montana, temperatures plummeted to 30 degrees below and stayed there.
The coldest weather ever recorded plagued our country’s heart for over three weeks, and
still hasn’t returned to normal. A related incident has been the blizzards of the east
Some places in New York State got over twenty feet of snow.
On a Native Island, where native tribes live, if the sea level rises
three fourths of a
meter then half of the island will sink. This will happen in many different islands around
the world and if the water keeps on rising as it is, then farming land near the seashores
will be flooded and the crops will be destroyed.
Like California and other states, we are adding CO2 and changing the
weather. Some places are getting too little water which causes a drought and other places
get too much water which causes a flood.
In California, there was an almost permanent drought during the
was gone in the nick of time by the great rainstorms of 1995. We also experienced a
frightening cold spell in 1992.
The Road Ahead
With all these obvious scourges plaguing us now, it seems that things
any worse. However, the current droughts, floods, and storms are just the tip of the
iceberg. If the greenhouse effect continues unabated, then the inhabitants of Planet Earth
have some surprises in store.
Scientists estimate that the global temperature will rise between 5 and
by the middle of the 21st century, accompanied by a sea-level rise of one to four feet.
degrees may not seem like a drastic change, but in the last ice age at the beginning of
Quaternary period, the average temperature was only five degrees colder than it is now.
Thus, our actions our warming the earth enough to break out of an ice age.
Once the temperature reaches a certain threshold, the polar ice caps
will began to
melt. While those living in the Arctic may find that a welcome surprise, the implications
for the rest of the world are serious. Even a partial melting of the polar ice caps will
sea levels to rise so much as to completely wipe out most coastal cities. This includes
such cultural centers as San Francisco and New York. Those cities that survive will be
battered down by hurricanes much more severe than anything seen in history. Of course,
inland cities are not immune either. Rather than floods, they will face drought. So while
half the world is swimming to work, the other half will be crawling on their knees with a
scorching sun beating against their backs.
When drinkable water is a scarcity, it will become a commodity that
political power. The countries with water will be the countries with power. This means
there will be a political upheaval of global proportions. Life as our children know it
completely different, and not necessarily for the better. With most of America’s lakes
dried up and its major trading ports under several feet of salt water, perhaps we won’t be
the economical leader.
If we don’t start trying to stop global warming from happening now,
there will be
many more consequences. Another consequence will be that there will be high raises in
temperature, affecting human life by causing skin cancer, damaging the human immune,
and causing cataracts. Raises in temperature will also affect agricultural and aquatic
Also, many species will die off. And in the forests or maybe animals, there could be
medicines to cure some kind of disease. The way these cancers and diseases come to be
is because the sun deadly rays like UV rays, which mutate human cells.
b. Experimental Design1. Restate Problem Natural occurrences are not the only caused and influences of our
changing. Human activities also cause the atmosphere to change. Fossil fuels burning is
producing a worldwide increase in the atmosphere concentration of carbon dioxide. If
atmospheric carbon dioxide continues to increase at the present rate, studies estimate
the average surface temperature will rise 2 degrees Celsius by the middle of the next
century. This will be a climate change greater than any other ever experienced in history,
that we know of. The four main greenhouse gases are Carbon Dioxide (CO2),
Chlorofluorocarbons (CFCs), Methane (CH4), and Nitrous Oxide (N2O). With the
exception of CFCs, all these gases are found in nature. It is the recent explosion of the
human population that has caused an exponential increase in their atmospheric presence.
Although nature has provisions for removing carbon dioxide, it does not
account the human factor. The long, complicated carbon cycle can only keep up with
increasing human activity if the tree population increases proportionately. Due to modern
medicine and increased awareness of nutrition and health, the human race has managed to
extend its lifespan considerably, thereby releasing more CO2 into the atmosphere. This,
combined with an alarming rate of rainforest depletion and air pollution, leads to an
unmanageable amount of CO2 in the atmosphere. Since its sources are both natural and
human, carbon dioxide is the largest contributor to the greenhouse effect, at 50%.
As far as CFCs, our only excuse is that "it seemed a good idea at
the time." When
they were first invented, they seemed to be the miracle chemical of the century. Because
of their low boiling point, CFCs could act as coolers in refrigerators, freezers, and air
conditioners. Also, they were used to make Styrofoam and as aerosol propellants. As it
turns out, they are as skilled at destruction as they are at refrigerating. Scientists
discovered in the 1970’s that CFCs destroy ozone, starting an international ban on their
usage. Later, it was determined that CFCs contribute to global warming as well, making
them a dangerous double whammy. CFCs are no longer used in aerosol and Styrofoam,
however most refrigerators still contain freon, a CFC. Fortunately, the freon can be
recycled. Contributing to 25% of global warming, CFCs are still a major problem, but at
least the U.S. and the other powers have recognized it as such. Methane, also known as a
natural gas, contributes 15% to the greenhouse effect. It is caused by cows and rice
paddies. The major American demand for so much beef urges foreign farmers to clear
forests for pastures. This also causes an increase in carbon dioxide, as well as a cow
population so high that the methane-rich burps of the complex digestive system are a
major contributing factor to the greenhouse effect. Add to that the methane released from
natural sources, and you have a very large problem. The ten percent that is left comes
from nitrous oxide, a common pollutant. It, along with carbon dioxide, forms the major
part of car exhaust. Half a billion cars drive the streets of the world today, a number
expected to double by 2030. N2O is also released by the burning of fossil fuels. Finally,
it finds its way into the atmosphere from nitrogen fertilizers, which are used heavily by
today’s modern farmers.
Overall there are many pollutants in our atmosphere, influenced by humans, and
by natural effects. In our opinion if any member of this country wants to live in a good
environment then they have to take charge and to make a difference even if you have to
become a vegetarian so there will not be CO2 from the animals.2. Hypothesis If we continue to pollute the air with methane gases and don’t do
it, then the average global temperature will rise and there will be many consequences.
Warming expands ocean water and may melt some glaciers. The sea level could rise one
foot in the next 35 years and two in the next 100. Hurricanes, tornadoes and other
extreme storms may become more frequent. Centers of large continents, such as the U.S.
Great Plains, may be drier even if the overall world rainfall increases somewhat. Heat
waves may be more common. Movement of just 1 percent of a future population of 6
billion people due to higher sea level, drought, or other climate change would produce 60
million migrants, many times the number of all refugees today. Impact mixed. Carbon
dioxide stimulates plant growth. However, heat increases demand for water. Growing
zones will shift if weather patterns change. Warming that expands the tropics will also
expand the range of tropical diseases such as malaria and other insect borne maladies.
Possible mass extinction may occur as conditions change faster than species can move or
adapt. Urban and agriculture development leaves few wilderness corridors for migration.3. EOS Satellite The Earth Observing System (EOS) Data and Information System (EOSDIS)
is NASA’s Mission to Planet Earth’s (MTPE) project to provide access to Earth Science
data. EOSDIS manages data from NASA’s past and current Earth science research
satellites and field measurement programs, providing data archiving, distribution, and
information management services. During the EOS era–beginning with the launch of the
TRMM satellite in 1997 EOSDIS will command and control satellites and instruments,
and will generate useful products from orbital observations. EOSDIS will also generate
data sets made by assimilation of satellite and in situ observations into global climate
The instrument that we chose that monitors the impact of human activity
HIRDLS. HIRDLS is an infrared limb-scanning radiometer designed to sound the upper
troposphere, stratosphere, and mesosphere to determine temperature; the concentrations
of O3, H2O, CH4, N2O, NO2, HNO3, N2O5, CFC11, CFC12, and aerosols; and the
locations of polar stratospheric clouds and cloud tops. The goals are to provide sounding
observations with horizontal and vertical resolution superior to that previously obtained;
to observe the lower stratosphere with improved sensitivity and accuracy; and to improve
understanding of atmospheric processes through data analysis, diagnostics, and use of
two- and three-dimensional models.
HIRDLS performs limb scans in the vertical at multiple azimuth angles,
infrared emissions in 21 channels ranging from 6.12 to 17.76 um. Four channels measure
the emission by CO2. Taking advantage of the known mixing ratio of CO2, the
transmittance is calculated, and the equation of radiative transfer is inverted to
the vertical distribution of the Planck black body function, from which the temperature is
derived as a function of pressure. Once the temperature profile has been established, it
used to determine the Planck function profile for the trace gas channels. The measured
radiance and the Planck function profile are then used to determine the transmittance of
each trace species and its mixing ratio distribution.
Winds and threatening tornados are determined from spacial variations
height of geopotential surfaces. These are determined at upper levels by integrating the
temperature profiles vertically from a known reference base. HIRDLS will improve
knowledge of data-sparse regions by measuring the height variations of the reference
surface provided by customary sources with the aid of a gyro package. This level, which
is near the base of the stratosphere can also be blended downward using nadir
temperature soundings to improve tropospheric analyses.
Bibliography"Climate Change Brings Trouble". The Earth Care Annual 1993. Emmaus:
Rodale Press, 1993“EOS” http://eos.nasa.gov/ Logon November 3, 1996"Global Warming" http://users.aimnet.com/~hyatt/gw/gw.html Logon October 25,
1996“Global Warming”. Microsoft Encarta 95, Microsoft, 1994.“HIRDL” http://eos.acd.ucar.edu/hirdls/home.html Logon November 1, 1996Newton, David. Global Warming A Reference Handbook. Santa Barbara:
ABC-CLIO, 1993Silver, Cheryl. One Earth, One Future, Our Changing Global Environment.
Washington D.C., National Academy Press, 1990Woodwell, George. The Rising Tide Global Warming and World Sea Levels.
Washington D.C., Island Press, 1991
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