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






2. The Earth emits this.






3. 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






4. 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






5. The transition of a substance from the solid phase directly to the vapor phase - or vice versa - without passing through an intermediate liquid phase.






6. If the mean annual air temperature is only slightly below 0 degrees C - permafrost will form only in spots that are sheltered.






7. Is not an externally imposed perturbation to the climate system.






8. Higher temperature increases atmospheric water vapor @ global scale more water vapor in the air that causes nights to stay warmer.






9. The warmer the temperature - the deeper the active layer - thaws and refreezes every year - Permafrost below freezing for two or more years.






10. The large-scale ocean circulation that moves water between the deep and surface ocean which effects salinity and temperature change - Supplies heat to the polar-regions.






11. Refers to a body of freshwater - usually shallow - formed in a depression by melt water from thawing permafrost.






12. 78% nitrogen - 28% oxygen - Greenhouse gases: Have a more complex molecular structure and can absorb and re:radiate heat in all directions.






13. 1. Altimetry survey 2. Time-variable gravity 3. Ice motion + Regional Climate Modeling






14. ~15% of incident solar energy (albedo 85)






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






16. Water vapor - 36-70% - carbon dioxide - 9-26% - methane - 4-9% - ozone - 3-7%






17. The amount of light reflected by an object.






18. Descending Air dry - Convection cells are wet.






19. 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.






20. Most of the deserts are around 30 N and 30 S - where sinking air predominates






21. A climate forcing agent formed through the incomplete combustion of fossil fuels - biofuel - and biomass; emitted both anthropogenic:ally and naturally.






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






23. 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






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






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






26. 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






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






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






29. 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






30. Total absorbed solar radiation






31. 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.






32. Where do greenhouse gases warm up the Earth?






33. 1.4 USA - 57 m total sea level equivalent






34. 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.






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






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






37. In _______ - the inversions are less frequent and weaker in the Arctic.






38. Set up in 1988 by WMO and UNEP.






39. 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.






40. Over the Northern Hemisphere than the tropics.






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






42. Really measures volume.






43. Volcanic eruptions - Sunspots - Wobbly Earth






44. 342 W/m squared - DWEC - These things reflect sunlight (30%): water vapor - clouds - dust particles - earth's surface






45. Mass balance due to processes that affect the surface of the ice sheet. Precipitation-evapotranspiration-runoff-blowing snow etc...






46. Amount of light absorbed by atmosphere






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






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

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49. 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






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







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