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Last min Geosci 2
Midterm 2
| Question | Answer |
|---|---|
| 1950, 2021 Global Emissions (billion tons) | 4, 36 |
| Cumulative Emissions: US, Germany, UK, Russia, China | 25% USA, 14% China, 7% Russia, 5% Germany and UK |
| past 100 years temp change | 1.1C |
| Last time the temp was this high | last interglaciation 120k years ago |
| 'upper safety limit' CO2 | 350ppm |
| June 2022 CO2 | 421ppm |
| Preindustrial CO2 | 260ppm |
| Annual CO2 concentration cycle | lagging photosynthesis |
| Current Sea Level Rise | 0.7 Feet |
| How well is link between CO2 and Temp understood | Still working to understand details, correlation really only starts in 1975, hard to predict |
| Kyoto Date and what | 1997, treaty to slow warming with cutting emissions among only industrial nations, failed bc USA did not ratify and Developing nations not party |
| Kyoto goal | Average of 5% reduction, go back to 1990 levels by 2012 |
| Paris Climate Accord date and what | 2015, 'well below' 2C, target 1.5C, 1. each country sets its own levels 2. each rich countries help poor 3. Review targets (NDCs) every 5 years |
| Atmosphere components | Nitrogen 78%, Oxygen 21%, Argon 0.93%, CO2 0.04% |
| Atmosphere levels and max altitudes | Troposphere 10KM, Stratosphere 50KM, Mesosphere 80KM, Thermosphere ~320KM |
| Atmosphere temp curve with elevation increase | Decrease, Increase, Decrease, Increase |
| 50% of air below what altitude | ~3.5miles |
| how does barometer work | vacuum in the top of a mercury tube, mercury tube in a tray of mercury, as the 'weight' of the atmosphere increases, mercury is forced further up the tube, think open bottom thermometer |
| Light wave vs. Particle | It behaves like both at certain times, it is an electromagnetic wave which is all we need to understand for our purposes |
| Luminiferous aether | what they thought light-wave propogated through |
| Disproving Luminiferous aether | Michelson-Morley Experiment showed speed of light is constant |
| Who determined light was emag wave | James Clerk Maxwell |
| OG who said light was wave | Huygen |
| Who did light slit experiment | Thomas Young |
| Light slit experiment | shine light through two parallel slits, rather than just two shadows you get multiple shadows and bright spots because of constructive and destructive wave interference |
| Order of spectrum | Gamma, X, UV, Visible, IR, Microwave, Radio |
| visible spectrum | 3800-7500 Angstrom |
| How do electromagnetic waves work | electrical and magnetic field oscillation happens perpendicular to eachother with remaining axis being physical distance/space |
Created by:
zkogut7
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