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Exam (elaborations)

EESC 101 final || A+ Verified Solutions.

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  • Course
  • EESC 101
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  • EESC 101

3 factors affecting climate correct answers sun, atmosphere, oceans albedo correct answers the reflectivity of a surface water vapour correct answers most abundant greenhouse gas and contributes most greenhouse effect positive feedback cycle correct answers warming leads to water vapour wh...

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  • September 26, 2024
  • 8
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EESC 101
  • EESC 101
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EESC 101 final || A+ Verified Solutions.
3 factors affecting climate correct answers sun, atmosphere, oceans

albedo correct answers the reflectivity of a surface

water vapour correct answers most abundant greenhouse gas and contributes most greenhouse
effect

positive feedback cycle correct answers warming leads to water vapour which leads to further
warming

negative feedback cycle correct answers warming leads to evaporation which leads to water
vapour causing increased cloudiness slowing global warming

radiative forcing correct answers the amount of change in E that a given factor causes

positive forcing correct answers warms the surface

Ocean absorption correct answers the ocean holds 50 times more carbon than the atmosphere and
absorbs it from the atmosphere

ocean circulation correct answers ocean water exchanges tremendous amounts of heat with the
atmosphere, and ocean currents move E from place to place

proxy indicators correct answers types of indirect evidence that serve as substitutes for direct
measurements - holding clues to past climate (ice sheets/caps, glaciers, stable isotopes)

climate change exerts societal impacts correct answers agriculture, forestry, health, economic

RCP correct answers representative concentrations pathways

mitigation correct answers pursue actions that reduce GHG emmisions

adaptation correct answers accept CC is happening and pursue strategies to minimize

intervention correct answers set of possible large-scale technological modifications to global
climate system

FCCC (Framework Convention on Climate Change) correct answers outlines a plan for reducing
GHG to 1990 levels by 2000

Kyoto Protocol correct answers by 2012 nations must reduce emissions of 6 GHG to levels
below those of 1990

, carbon offset correct answers voluntary payment to another entity intended to enable that entity
to reduce the GH emissions that one is unable to reduce - to achieve carbon neutrality

carbon neutrality correct answers no net carbon is emitted

global potential correct answers the relative ability of one molecule of a given GHG to contribute
to warming

Technically recoverable oil correct answers oil that could be extracted with current technology

Economically recoverable oil correct answers recognizes the balance between the costs of
extraction, transportation and current price of oil

proven recoverable reserve correct answers oil that is technologically and economically feasible
to remove under current conditions

oil shale correct answers sedimentary rock filled w kerogen (oragnics) that can be processed into
liquid petroleum

low E returned on E invested (EROI) correct answers 2:1 to 3:1 compared to 15:1 for crude oil

non-point sources correct answers

point sources correct answers

coal correct answers most abundant E source and dirtiest to extract

geologic isolation correct answers using the absorptive capacity and impermeability of naturally
occurring rock to block contaminants

co-firing correct answers biomass combined w coal

passive solar E correct answers most common way to harness solar E - using materials that
absorb, store, release heat

active solar E correct answers uses technology to focus/move/store E

photovoltaic (PV) cells correct answers collect & convert sun into electrical E

tailings correct answers ore left over after metals have been extracted

solution mining (in-situ recovery) correct answers resources in deep deposit are dissolved in a
liquid then siphoned out

strip mining correct answers the removal of strips of soil and rock to expose ore

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