Test your basic knowledge |

Global Warming

Subjects : literacy, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Ocean retains ____ CO2






2. Reduction of snow and ice cover - Changes in atmospheric circulation.






3. Radiation that comes from the Sun - Visible light - 'near infrared' - ultraviolet radiation.






4. Rain is getting harder and the rain is lasting longer since the past couple of decades and will continue for that amount.






5. Nitrogen (N2 78%) and Oxygen (O2 21%) - Their linear 2 atom molecular structure






6. Unfrozen ground that is found within a mass of permafrost






7. The past climate...for this reason - both keep good records of climate change.






8. The buoyant force is equal to the weight of the displaced water.

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9. Changes over time in the highest and lowest single temperature observed during a given month of the year.






10. Laser radar - H V - Long time series - high accuracy - Density






11. Sea ice and continental ice. This is caused by Atmospheric warming triggers.






12. Reduction of Summer Sea- will increase the warming because less energy will be reflected back to the atmosphere by the ice and more will be absorbed by the ocean - Snow and snow covered ice absorb 15% of incident solar energy - Ice absorbs 10% of inc






13. Under higher pressure the melting point decreases ____ - The pressure comes from the weight of the ice shelf.






14. Forms in a mosaic of favoured locations.






15. Measures input and output.






16. By contrast reflects only about 7% of solar radiation (Albedo~7%) - absorbing 93%.






17. In troposphere = greenhouse warming gas - However - most of it is in the stratosphere.






18. SMB- mass balance due to processes that affect the surface of the ice sheet. Precipitation- evapotranspiration-runoff-blowing snow etc.






19. Cooler water and drought conditions.






20. Atmospheric Cooling - Both negative (stabilizing) feedbacks - It is not happening now - but it has happened in the past - Ice-albedo feedback was the dominant feedback during the ice ages.






21. Industry 40% - Buildings 31% - Transportations 22% - Agriculture 4%






22. Frozen +2 years - Few centimeters to 1500 m






23. Betts et al found that: if CO-2 __________ this has a physiological effect on plant transpiration increased simulated runoff by 6% b. How? i. More CO2 1. Plants pores open less 2. This reduces transpiration 3. More water in the land surface






24. High vs low






25. Sea ice - Continental ice sheets - Permafrost (frozen soil) - Mountain glaciers - Snow cover






26. The depletion of stratospheric ozone layer in Antarctica in Springtime (august through October)






27. Where does the ozone protect us?






28. Deep tropics between 15O N and 15 O S are quite rainy on yearly average. In these regions - rising air predominates.






29. The major distinction between the Protocol and the Convention is that while the Convention encouraged industrialized countries to stabilize GHG emissions - the Protocol commits them to do so.






30. Carbon dioxide - Methane - Ozone - Water Vapor - Few others - Most ___________________ are mixed in the troposphere (Except water vapor) - Water vapor is concentrated closer to the ground.






31. Rainy on yearly average. In these regions - rising air predominates.






32. Permafrost- A frozen soil






33. Some parts of the planet are dry because of their location: most of the deserts are around 30 N and 30 S - where sinking air predominates






34. US is responsible for ___ of the total CO2






35. Precipitation extremes appear to generally increase across the planet at especially high latitudes.






36. Troposphere - Stratosphere (Ozone Layer) - Mesosphere - Ionosphere






37. Number of days that exceed a given temperature






38. Is best viewed as a combination of...- Natural Variability - Associated with atmospheric circulation patterns - Growing Radiative Forcing - Associated with rising concentrations of atmospheric greenhouse gases - Strongly suggests a human influence.






39. Is defined usually on the basis of the degree of dryness (in comparison to some 'normal' or average amount






40. 20% human produced CO2 emissions. Tropical forests hold around 50% of the carbon present in vegetation on Earth.






41. Same as heating an apartment v home - Thinner atmosphere than tropics; warms faster.






42. 1. They are the largest contributor to sea level rise 2. Can affect the thermohaline circulation (mainly in Greenland) 3. Are directly connected to climate change






43. Holds unique and key information - Are highly interconnected - Respond and drive climate change - Are the largest freshwater reservoirs of the planet - Ice cores tell us that in climate records - nothing is regular and ice sheet plays major role.






44. Fresh snow and snow-covered sea ice may have an albedo higher than 80% - even when melting in the summer. Sea ice has a higher albedo and can absorb as little as 10% of the solar energy. On average - sea ice albedo is around 85%






45. South polar vortex - Temperatures drop below 80O Celsius in the lower stratosphere - At these temperatures the chemicals in the stratosphere freeze and form Polar Stratospheric Clouds (PSCS) - These increase the concentration of CFCs in turn destroyi






46. A thick - floating slab of freshwater ice extending from coast to coast.






47. Positive Albedo Feedback - increase in temperature melts ice and snow reduces albedo increases temperature melts ice and snow reduces albedo... ETC






48. Extent will increase the warming because less energy will be reflected back to the atmosphere by the ice and more will be absorbed by the ocean.






49. he increase of ozone concentration in the atmosphere helps ____ our planet






50. Changes in the Earth's solar radiation levels can impact the climate. Shortterm warming cycles on Earth.