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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. Cooler water and drought conditions.






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






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






4. 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






5. Taliks are found under lakes because of the ability of water to store and vertically transfer heat energy - Vertical extent of the taliks found under lakes is related to the depth and volume of the overlying water body.






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






7. Less frequent and weaker






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






9. Number of days when temperatures climb above average by a fixed amount.






10. 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.






11. High clouds are a ____ feedback; larger greenhouse warming - Clouds reflect shortwave radiation but also absorb longwave radiation






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






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






14. How often does El Nio occur?






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






16. 1. Keeps the ocean and the earth cooler 2. Coastal impacts of ice: prevents waves from eroding coastlines and protects from storms. 3. Ecological importance of ice: a. Most visibly for the many fish - birds - and mammal species that live in - on - or






17. Soil at or below the freezing point of water for two or more years - Can be: Terrestrial - Subsea - Can be: Continuous: exists across a landscape as an unbroken layer. More than 90% is frozen - Discontinuous






18. The amount of light reflected by an object.






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






20. Ocean retains ____ CO2






21. 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






22. Top layer of soil that thaws during the summer and freezes again during autumn. - Between 1 and 3 m thick.






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






24. Number of days that exceed a given temperature






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






26. Atmosphere retains ____ CO2






27. An area of unfrozen ground that is open to the ground surface but otherwise enclosed in permafrost.






28. At the bottom of the ice sheets the temperature doesn't necessarily have to be above 0... it could _____ more easily because of the water






29. Land Based Ecosystems retain ____ CO2.






30. Where does the ozone protect us?






31. Ice sheets have a very ____ Albedo






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






33. US is responsible for ___ of the total CO2






34. Closed talik can develop when lakes fill in with sediment and become deposits of dead plant material (bog).






35. CO2 GHG forcing - H2O - dominant/major GHG






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






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






38. The last portion of a glacier grounded to bedrock - after this line there are ice shelves.






39. Permafrost- A frozen soil






40. 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.






41. 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






42. How much is the planet really warming?






43. Where do greenhouse gases warm up the Earth?






44. Longwave radiation - any radiation with a long wave will heat up quickly.






45. Amount of light absorbed by atmosphere






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






47. When meltwater seeps through a flowing glacier - it can lubricate the base and hasten the glacier's seaward flow.






48. Surface Mass Balance is of the order of _____ melting is ____ times more.






49. Melting Point decreases






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







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