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UTC - Env 1510 - Notes up to 1/29/18 - Class Notes

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UTC - Env 1510 - Notes up to 1/29/18 - Class Notes

School: University of Tennessee - Chattanooga
Department: Envrionmental Science
Course: Introduction to Environmental Science II
Professor: Reynolds
Term: Spring 2016
Tags: Environmental Studies
Name: Notes up to 1/29/18
Description: These are the class notes from the beginning of class to from 1/29/18
Uploaded: 01/29/2018
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background image 1/10/18 Environmental Science: Environmental problems o Man-made Economics, Politics, Urbanization, etc. o Natural World Forests, Oceans, Lakes, etc. Definition: The study of humanity’s relationship with other organisms and 
with the non-living physical environment (i.e. buildings, mountains, etc.). 
o The systematic study of the environment and our proper place in it.  Wicked Environmental problems o Not easily solved. 
o Large scale
o Long term
o Political, usually needing compromise
Principle of Environmental Unity Definition: All things in the Environment are interwoven The basic fabric of life on earth evolves around environmental unity. It is 
inescapable  
Framework of Environmental Science 1. Human Population Growth
2. Increased Urbanization
3. Sustainability
4. People and Nature
5. A global Perspective
6. Science and Values
Human Population Growth  Exponential growth o The population multiplies by a constant factor over constant time  interval Why? o Medical/Agricultural advancements
o Better working conditions 
o More potential parents
What is the carrying capacity of the Earth? o Carrying capacity: The maximum amount of individuals an  environment can support without a net increase/decrease, and without
a disastrous depletion of resources
o Is very dependent on what the lowest quality of life we are willing to  accept. 
background image 1/12-1/22/18 The Framework by which we can Study Environmental Science Themes: 1. Human Population Growth
2. Urbanization
3. Sustainability
4. People and Nature 
5. Global Perspective
6. Science and Values
Overpopulation Strains resources Creates Pollution Influences quality of life Urbanization of the modern world More people moving to urban areas MegaCity: a city with a population of over 10mil o 2-1950;
o 23-1995;
o 47-2017
Cities impact/influence the surrounding atmosphere Heat Island effect o When vegetation is removed and replaced with roads and buildings  making it hotter Urban Sprawl- haphazard growth outward of a city often on the outskirts of 
the city often from real estate development
Sustainability Meeting the needs present w/o compromising the ability of the future 
generation to meet their own needs
Ecology, Equity, Economy Ecology- taking care of the environment Equity- be fair Economy- make a profit People and Nature We are part of nature and we benefit from it But we also affect nature and chances the environment by living in it Science and Values Science without ethics is blind, ethics without science is empty
background image Science, the scientific method and significant figures Science o Organized knowledge
o A process, a way of knowing
o Brings about conclusions, generalizations, and scientific theories
Science is dynamic o With new information based on new observations, we sometimes  change out ideas Scientific method 1. Make and observation/develop question
2. Form a hypothesis based on that observation, which is a tentative 
explanation 3. Conduct Experimentation
4. Collect Data
5. Interpret the data
6. Draw conclusions from data
7. Reject or accept the hypothesis
Theories o About as sure as science can be o When a hypothesis is supported over and over again
o Theories explain many observations and are supported by a lot 
of evidence Law o A mathematical expression of a relationship found in nature Accuracy vs Precision o Accuracy- how close the measurement is to the accepted value
o Precision – how close repeated measurements agree with each other
Sig fig rules o When counting sig figs 1. Find the first non-zero digit on the left and count to the right
2. Captive zeros are always significant 
3. Trailing zeros to the left of a decimal point may or may not be 
significant 4. When adding or subtracting, report the answer with the least  amount of decimal places involved in the computation 5. When multiplying or dividing, report the answer with the least  number of the significant figures involved in the computation o Why? o They represent the precision of the measuring device
o They are a reflection of the uncertainty of a measurement
Is science value free o Bias o No
o The goal of science is objectivity
o Accepted science
Scientific knowledge that is tested and generally agreed 
upon
o Frontiers of science

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School: University of Tennessee - Chattanooga
Department: Envrionmental Science
Course: Introduction to Environmental Science II
Professor: Reynolds
Term: Spring 2016
Tags: Environmental Studies
Name: Notes up to 1/29/18
Description: These are the class notes from the beginning of class to from 1/29/18
Uploaded: 01/29/2018
7 Pages 22 Views 17 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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