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. Amount of light absorbed by surface






2. Help darkens the snow and ice surface - increasing the amount of energy that is absorbed.






3. Volcanic eruptions - Sunspots - Wobbly Earth






4. Antarctica - stratosphere - Sep-Oct






5. This is the total mass change - difference between input and outputs—snow accumulation-ablation.






6. O The amount of energy moving in the form of photons or other elementary particles at a certain distance from the source per unit of area per second. Area/second






7. US is responsible for ___ of the total CO2






8. 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






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






10. Water vapor means more water up in the clouds and less in the ground!






11. Really measures volume.






12. Massive cooldown has allowed colder conditions to persist leading to cfcs stabilizing leading to ozone depletion. Later - more warming will lead to more moisture in the air which will lead to more snowfall!






13. Sea ice - Glaciers and Ice sheets - Alaska- ice glaciers - Greenland- ice sheets






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






15. On a clear cold day - the thin layer of air hugging the ground is called inversion. This layer is much cooler than the air a few hundred meters above it.






16. 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.






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






18. If the Earth is warmer - are we going to have the Hadley cell stronger or weaker? Hotter = heat rises which increases the circulation.






19. Average molecular life span is less than 10 years - Major sources: Wetlands and oceans - Raising cattle and landfills.






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






21. Ocean retains ____ CO2






22. 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.






23. Long time series started in the '70s and yielding good data in the '90s - Detects elevation with high accuracy: 10 cm precision (laser) to 1 m (radar) - 2/3 Gravity Surveys (GRACE) - Weighing the total mass every 30 days - Direct monthly estimate






24. Set up in 1988 by WMO and UNEP.






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






26. 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






27. Amount of light absorbed by atmosphere






28. Pollution: heat and sunlight cook the air and the chemical compounds which are in it. This combines with the nitrogen oxide and creates 'smog'. This makes breathing difficult for those with respiratory ailments.






29. A naturally or artificially caused decrease in the thickness and/or areal extent of permafrost - It is caused by the deepening fo the active layer and the thawing of the adjacent permafrost.






30. How much is the planet really warming?






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






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






33. Peru and Ecuador to the equatorial central pacific - Causes irregular warming in sea surface






34. Due to a set of mutually reinforcing processes - climate change appears to be progressing in the arctic more quickly than in any other region on Earth.






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






36. 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.






37. High vs low






38. They saw a massive thinning of the ice where it enters into the ocean - This is due to the pronounced melting of the ice once it is in contact with the ocean. Melt rates of 25 m/year near the grounding lines and more than 10 m/year on average.






39. Melting Point decreases






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






41. CO2 ____ in winter in the NH and ____ decreases during the 'greening season'






42. Permafrost- A frozen soil






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






44. ~10% of incident solar energy (albedo 90)






45. The heat input is either driven by the 1- thermohaline circulation associated with sea ice formation. The direct influx of intermediate warmth water.






46. Occurs when there is not enough water available for a particular crop to grow at a particular time.Typically seen after!meteorological drought (when rainfall decreases) but before a hydrological drought






47. Thawing permafrost weakens coastal lands. Risk of flooding in coastal wetlands. Pollution and toxins locked in the snow and ice will be released.






48. Clouds 40~90% - Vegetation 10~15%






49. Hydrological drought is associated with the effect of low rainfall on water levels in rivers -!reservoirs -!lakes and aquifers.






50. Measures input and output.






Can you answer 50 questions in 15 minutes?



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