Author Archives: Dennis SILVERMAN

About Dennis SILVERMAN

I am a retired Professor of Physics and Astronomy at U C Irvine. For a decade I have been active in learning about energy and the environment, and in lecturing and attending classes at the Osher Lifelong Learning Institute (OLLI) at UC Irvine.

Laguna Beach Marine Layer Solar Suppression from NREL Data

Laguna Beach Marine Layer Solar Suppression from National Renewables Energy Lab Data. The NREL climate data shows the normal irradiance in kilowatt hours per square meter per day for the coastal area including Laguna Beach.  Laguna beach is a slightly … Continue reading

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Effect of the Marine Layer in Lowering Sunshine in Southern California

Effect of the Marine Layer in Lowering Sunshine in Southern California One thing bothering me about May Gray and June Gloom morning cloudiness from the coastal marine layer was how to extend the names into July and August of this … Continue reading

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The Refugee Experience of the Solar Eclipse of 2017

The Refugee Experience of the Solar Eclipse of 2017 The total solar eclipse zone of 70 miles width crosses the entire United States, around its middle.  200 million people are said to be within a days drive of this zone.  … Continue reading

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Suggestions for the Laguna Beach Climate Protection Action Plan Renewal

Suggestions for the Laguna Beach Climate Protection Action Plan Renewal   In considering possible updates to the Laguna Beach Climate Protection action plan, I wanted to discuss some specific emission reduction methods that are under the control of the residents … Continue reading

Posted in California Water, Clean Energy, Climate Change, Climate Science, Coastal States, Conservation, Electric Power, Energy Efficiency, Fossil Fuel Energy, Greenhouse Gas Emissions, Irvine Water, Laguna Beach Energy Savings | Leave a comment

Update of Laguna Beach Energy Sources Since 2011

Update of Laguna Beach Energy Sources Since 2011 The Laguna Beach Climate Protection Action Plan was completed in 2009. The Southern California Electrical Energy sources have changed dramatically from the initial Climate Protection Action Plan, due to the permanent shutdown … Continue reading

Posted in California Power Mixes, Clean Energy, Electric Power, Hydropower, Renewable Energy, Solar Energy, Wind Energy | Leave a comment

Laguna Beach Natural Threats from Climate Change

Laguna Beach Natural Threats from Climate Change   While not a part of the Mayor’s Climate Protection Agreement, we should review climate change related threats. The most common may be nature of heavy rains from atmospheric rivers, or so called … Continue reading

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Try Flame Diverters to Protect Towers from Fires

Try Flame Diverters to Protect Towers from Fires Since heated air and flames rise directly upward, they can rapidly attack all floors above the initial burning floor exterior.  So the question arises whether flame diverters can be added to towers … Continue reading

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The Fidget Spinner: Soothing or Stability, in the Days of Trump?

The Fidget Spinner:  Soothing or Stability, in the Days of Trump? I noticed that the box containing Spinners advertising that it may be soothing.  Wikipedia describes its use for “relieving nervous energy or psychological stress”.  As a physicist though, I … Continue reading

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Controlling Cladding Fires With External Sprinklers

Controlling Cladding Fires With External Sprinklers There have been several disastrous tower fires that were propagated upward by flammable sidings. Of course, all fire propagates upward, since hot air rises. The dangerous siding is composed of aluminum sides with flammable … Continue reading

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