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






2. Forms in a mosaic of favoured locations.






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






4. Greenhouse gases are mixed in the ____






5. Prolonged period of excessively hot weather - Which may be accompanied by high humidity.






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






8. More common






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






10. Melting Point decreases






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






12. 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%






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






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






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






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






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






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






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






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

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






22. The amount of light reflected by an object.






23. Cooler water and drought conditions.






24. 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.






25. High vs low






26. LW - SW - 55% absorbed by surface






27. Wet gets _____ - dry gets ____ - Wet - 50ON (sub polar) Canada - N Europe - Russia - Tropical area- monsoon (rainforest) - Drier - Subtropics - Australia - S. Africa - Mediterranean - Caribbean - Mexico - SW US






28. O Unfrozen soil that stays within the permafrost.






29. Amount of light absorbed by atmosphere






30. Set up in 1988 by WMO and UNEP.






31. 1.4 USA - 57 m total sea level equivalent






32. 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






33. 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






34. Ocean retains ____ CO2






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






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






37. The land-surface configuration that results from the melting of ground ice in a region where permafrost degrades is called Thermokarst.






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






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






40. Total absorbed solar radiation






41. ~15% of incident solar energy (albedo 85)






42. Tundra absorbs more energy than ice and snow but less than scrubs and forest - and with those plants migrating towards the north - they will further contribute ot absorb more energy.






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






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






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






46. Temperature needed to melt at depth is much lower than that needed to melt at the surface.






47. Amount of light absorbed by surface






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






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






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







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