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






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






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






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






5. Holds unique and key information - Are highly interconnected - Respond and drive climate change - Are the largest freshwater reservoirs of the planet - Ice cores tell us that in climate records - nothing is regular and ice sheet plays major role.






6. The amount of light reflected by an object.






7. 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.






8. In ________- inversion layer is more common in the Arctic






9. The Day After Tomorrow - Circulation will slow by 10% to 50% in the next century






10. 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!






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






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






13. 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






14. 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






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






16. Greenhouse gases are mixed in the ____






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






18. Ice sheets have a very ____ Albedo






19. 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.






20. ~15% of incident solar energy (albedo 85)






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






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






23. High cloud has a _____ effect and cool cloud has a ____ effect






24. Radiation absorbed by atmospheric greenhouse gases?






25. Industry 40% - Buildings 31% - Transportations 22% - Agriculture 4%






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






27. Atmosphere retains ____ CO2






28. Over the Northern Hemisphere than the tropics.






29. 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






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






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






32. 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.






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






34. 23 -45 degrees. The Larger the tilt the larger the variability of the seasons.

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






36. ~10% of incident solar energy (albedo 90)






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






38. Radiation that comes from the Sun - Visible light - 'near infrared' - ultraviolet radiation.






39. Greenhouse gases are a ___ portion of the atmosphere






40. 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






41. O Unfrozen soil that stays within the permafrost.






42. 1.4 USA - 57 m total sea level equivalent






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






44. South polar vortex - Temperatures drop below 80O Celsius in the lower stratosphere - At these temperatures the chemicals in the stratosphere freeze and form Polar Stratospheric Clouds (PSCS) - These increase the concentration of CFCs in turn destroyi






45. The Earth emits this.






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






47. Ocean retains ____ CO2






48. 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






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






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