Solar radiation

Turbulent heat fluxes Longwave radiation h , H

Solar radiation




Energy flux carried by precipitation and blowing snow

Internal energy of the snowpack

Ground heat flux

Snow depth

Figure 3.1. Energy balance for an open snowpack.

accumulation is treated (Section 3.4), including some considerations of the coupling of energy and mass balances. Finally, in order to give the reader a sense of the magnitude of the fluxes involved, some examples are presented (Section 3.5), considering either daily averages over typical periods (season) or the processes in detail.

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Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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