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. Greenhouse gases are mixed in the ____






2. Less frequent and weaker






3. Poor resolution (200-400 km) does not allow us to distinguish glaciers and basins.






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






5. How much is the planet really warming?






6. Greenhouse gases are a ___ portion of the atmosphere






7. LW - SW - 55% absorbed by surface






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






9. 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






10. The Earth emits this.






11. The amount of light reflected by an object.






12. Really measures volume.






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






14. 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.






15. Number of days that exceed a given temperature






16. Where do greenhouse gases warm up the Earth?






17. Measures input and output.






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






19. Land Based Ecosystems retain ____ CO2.






20. 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.






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






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






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

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24. 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






25. 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.






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






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






28. Amount of light absorbed by atmosphere






29. 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






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






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






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






33. The difference between the incoming radiation energy and the outgoing radiation energy - A measure of the net energy.






34. Concentration of 380 ppmv - Have risen about 40% - Preindustrial~ 270~280 ppmv






35. 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






36. When inversion breaks up _______________. - Consequently - anything that breaks inversions or makes them form less often could produce major ground level warming.






37. 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






38. Absolute thresholds - Monthly maximums and minimums - Threshold departures - Percentile departure - Atmospheric Water Vapor: More water vapor in the air - warmer nights!






39. Atmosphere retains ____ CO2






40. 2ppm of the atmosphere - less than 20% of greenhouse gases - 1/3 greenhouse gases effect of CO2






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






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






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






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






45. Antarctica - stratosphere - Sep-Oct






46. Total absorbed solar radiation






47. Where does the ozone protect us?






48. Like weighing oneself on the scale.






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






50. 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