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. US is responsible for ___ of the total CO2






2. Slow steady decline of about 4% per decade in the total volume of Earth's stratospheric ozone.






3. Summer increase in cloud cover - Winter decrease in cloud cover.

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






5. 1. Land usage changes 2. Seasonal timing 3. Rising CO2 levels may be a factor






6. A process whereby slabs of ice at the glacier margin mechanically fracture and detach from the main ice mass -






7. 23 -45 degrees. The Larger the tilt the larger the variability of the seasons.

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8. Amount of light absorbed by atmosphere






9. 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.






10. Number of days that land among the hottest of all days in that month's long-term record.






11. A dome shaped cover of perennial ice and snow.






12. Sea ice extent in Antarctica is rapidly reducing. Seasonal variability. People - Animals and Ice






13. Refers to the irregular warming in the Sea Surface Temperatures (SST) from the coasts of Peru and Ecuador to the equatorial central Pacific - the Southern Oscillation






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






15. 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!






16. 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.






17. Ozone layer in high stratosphere (25-40 km altitude) absorbs about 95-99% of ultraviolet radiation.






18. Pockets of ice in the topmost permafrost caused by thawing which create an underground lake.






19. Forms from frozen ocean water - Floats on the ocean surface - Grows over the winter - melts in the summer






20. The order of 1 m/year. Melting is ten times more.






21. 1. We live in troposphere. Greenhouse gases here warm up the Earth 2. Above stratosphere. The ozone in this layer protects us.






22. Arctic warms faster than other parts of the globe in response to a given increase in greenhouse gasses - More direct route to warming - In the Arctic a greater fraction of any increase in radiation absorbed by the surface goes directly into warming t






23. 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.






24. O Climate change in the Arctic is occurring now - Changes have been huge already






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






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






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






28. Same amount of H2O - Mass does not change - Density of ice < density of water - Volume of ice > volume of water






29. Greenhouse gases are mixed in the ____






30. A mass of land ice - continental or sub-continental in extent - and thick enough to cover most of the underlying bedrock topography - If you have a warm ocean - it will melt the ice sheet. Its shape is mainly determined by the dynamics of its outward






31. SALTY WATER = MORE DENSE - Maximum density at 4OC - This is why ice melting is a big deal; if the whole circle slows down - Ice bergs are fresh water higher sea level rise.






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






33. Industrial product - 300 ppb (parts per billion)






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






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

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36. CO2 - CH4 - O3 - H2O - N2O - CFCs






37. How much is the planet really warming?






38. Precipitation intensity will rise ___ for every 1 OC of warming.






39. Trade winds blow from East to West - Pool of warm water in the west - Meanwhile deep colder water rises up in the Eastern Pacific - The sea level is ~ 50-60 cm higher in Western Pacific (Indonesia) than in the Eastern Pacific (South America/Peru) -






40. The amount of light reflected by an object.






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






42. Just remember the general direction of the circulation - Rising northern pacific. You start in between Greenland and Europe (youngest water) - Oldest water is in the Pacific Ocean - Salty water> fresh water - Cold Water > Warm Water






43. The air can hold less water vapor - Consequently - less water can be evaporated in the air - and only a small portion of energy is used in this process - Most of the energy that reaches the Arctic goes directly into warming the air






44. InSAR - +snow/-ice loss - ice dynamics - requires a lot of data.






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






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






47. 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






48. All processes that add snow or ice to a glacier or to flowing ice or snow cover.






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






50. Floating extensions are ice shelves - rivers of ice are ice streams or outlet glaciers - the junctions with the ocean are called the grounding line.