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.

Energy Balance

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.

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