ENVR E103 ENERGY AND CLIMATE: VISION FOR THE FUTURE 2018-02-08 2018-02-11
Homework #1 due Feb 12 th 1pm
Section last week Impact factors on climate: 1. Changes of incoming solar radiation; 2. Reflectivity/albedo; 3. Greenhouse gas effects; 4. Land-ocean distribution; 5. Atmosphere - ocean interaction.
Greenhouse Effect Energy TO Earth—short wavelengths Energy FROM Earth—long wavelengths (all bodies with any temperature radiate heat) Greenhouse gases Transparent to short wavelengths (let it in) Absorb long wavelengths (keep it in) In order of importance: H2O, CO2, CH4, O3, N2O, and Halocarbons Cold planet without them! -16C (3F)
HOMEWORK RELATED QUESTIONS Energy and Climate: Vision for the Future
FOR EXAMPLE: The number 4,500 is written in scientific notation as ________________. 4.5 x 10 3 The coefficient is _________. The coefficient must be a number greater than or equal to 1 and smaller than 10. 4.5 The power of 10 or exponent in this example is ______. 3 The exponent indicates how many times the coefficient must be multiplied by 10 to equal the original number of 4,500.
Multiplication When multiplying numbers written in scientific notation….. multiply the first factors and add the exponents.