Brindabella Archives

Do not be led by others,
awaken your own mind,
amass your own experience,
and decide for yourself your own path.
The Atharva Veda

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Brindabella Archives Summary The Brindabella Archives are nonfiction writings on Science, Technology, and Society.

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Personal odds and ends from past sites.

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./OCM (1y 5w 1d ago, 6 files)
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Untitled Page The Open Climate Modeller (OCM) is an interactive Javascript visualisation package for exploring the Earth's surface-atmosphere energy dynamics.
Select the OCM.html file to run it now, or download the OCMdemo.zip file.
Unzip it then open in a local browser. Local use recommended for Javascript programmers only. Check code safety for yourself.

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./Science ( 38w 4d ago, 70 files)
./Science/Climate ( 18w 1d ago, 59 files)
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This article, Energy and Atmosphere, looks at the energy dynamics of the Earth's atmosphere. Since the role of radiative gasses has become a political issue that is undermining the stability of industrial economies and denying the many benefits of cheap and reliable energy to billions of people, the precise nature of the energy dynamics of our atmosphere has become a trillion dollar question.

It shows a new derivation for the adiabatic temperature lapse rate in the atmosphere.
It also points to a possible explanation for why the Earth's water thermostat cuts in so suddenly at 30 Cº.

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./Science/Climate/Atmosphere/Energy&Atmosphere.pdf (2y 19w 3d ago, size: 529340 bytes)
./Science/Climate/Atmosphere/Lapse Rates.html (1y 2w , size: 11383 bytes)
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Climate – A Personal Perspective is an early overview article looking at things and events that have influenced my views on climate.

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./Science/Climate/Diurnal-Smoothing-Effect.pdf ( 18w 2d ago, size: 238052 bytes)
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./Science/Climate/IPCC-CO2 (1y 8w 5d ago, 5 files)
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 The IPCC and the Carbon Cycle
We are told by the IPCC that CO2 emissions from burning fossil fuels are causing atmospheric CO2 levels to rise and that these are causing global warming. Of the two links in this chain of reasoning this article addresses the first.

I show that the IPCC view of the carbon cycle is fundamentally flawed in many ways, and is not supportable at any meaningful level of confidence. This is not esoteric science to be left to specialists or ‘great minds’. Any numerate person who cares to look and think can understand the insignificance of our total industrial era CO2 emissions at less than 1% of the carbon cycle and our annual emissions at just 5% of the air-sea fluxes.

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Plot from the southern Sea Surface Temperature modelling.
See the SST images archive in the images branch. A description of this project is forthcoming.

./Science/Climate/Natural Cycles/Natural Cycles.html (2y 16w 3d ago, size: 6850 bytes)
./Science/Climate/Natural Cycles/Natural Cycles.pdf (2y 18w 2d ago, size: 116959 bytes)
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The article Radiative Delay in Context challenges a core assumption of the contemporary climate science consensus, that the Greenhouse (or Radiative Delay) Effect is the sole mechanism by which the Earth's atmosphere raises the Earth's surface temperature above that which would exist without an atmosphere.

In it I show that the Radiative Delay heating of the atmosphere is negligible, and a well established alternative mechanism arising from atmospheric buffering over the diurnal temperature cycle is capable of producing the temperatures we experience.

The role of Carbon Dioxide is shown to be negligible.

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./Science/Climate/Sea Surface Temperature (1y 8w 5d ago, 2 files)
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Forthcoming article: a technical description of the SST modelling discussed in the article Natural Cycles.

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Sea Surface Temperatures – I



Stage I – Status report, December 2014
Originally in Climate – A personal Perspective


Planetary cycles model of southern hemisphere sea surface temperature
SST data from NOAA. Model and parameters are shown in inset.

The model plot presents the results of a few hours I spent with a spreadsheet and a model of solar irradiance published by Nicola Scafetta – adapting it to fit southern sea surface temperature data. The SST data set was chosen because of the relative simplicity and regularity of southern climate zones, the predominance of oceans in the south, and because oceans are the primary driver of the Earth's water thermostat. If the Earth's climates have a heartbeat it's to be found in the oceans. Also, as discussed earlier, I can't see the continental meteorological data as reliable.

This model is based on planetary cycles but not all cycle based models are. An Australian scientist, David Evans, drew on the sophisticated mathematical toolkit developed by electrical engineers over the last century and from this generalised perspective he came up with similar results, and clues to the role of ocean cycles on the influence of the sun's decadal cycle. I've not presented my little effort as an optimal fit, or an endpoint in my dabbling, but to illustrate the downward future extrapolation shown by all such models that I've seen. The trend seems robust and recent cold winters in the north, and expanding sea ice at the poles, may herald its start.

Projecting this model backward and forward in time shows the peak of the current millennial maximum to be around the year 2000 with 3.5C between millennial extremes. The model is clearly not the full picture. For a start, historically, the millennial peaks seem to be decreasing. Greenland is not as warm as it was when the Vikings settled and, as far as I know, nobody has emulated the achievement of the Romans in growing vineyards near Hadrian's Wall. The decadal cycle varies in length and amplitude so it is likely that the longer cycles do too. There are many planetary cycles and the sun's internal dynamics will be subject to its own constraints.

In as far as this model still has free parameters not yet tied to physical measurements it's still, to some degree, a curve fitting exercise and, as noted above for the IPCC models, extrapolation should be treated with caution. Since the cycle frequencies and phases can be related to solar irradiance measurements and known planetary cycles this small parameter set is not as arbitrary as hundreds of parameters used in the IPCC models. The principle of parsimony puts cyclic models well ahead. They are also better at matching the details of past data where the IPCC models fail – as their failure to predict the present temperature plateau demonstrates. When a simple spreadsheet model can outperform supercomputer calculations that can take months to run, something is fundamentally wrong. The IPCC is lost in a complexity jungle of its own creation. 

The solar cycle models are tapping fundamental planetary dynamics. The precise harmonic relationships between the orbital motions of the planets and the parallel these have with musical scales has been known for centuries. Here we see the southern oceans dancing to the music of the spheres.




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This is a personal view of the political nature of the CO2 scare from an environmentalist who has watched on in dismay at the extreme politicisation of the environment. I watched the takeover of the environment movement since the 1970s by the extreme left acting with motives that have nothing to do with reducing our environmental impact.
Moving forward we see the actions of the totalitarian left in the United Nations and associated NGOs forming the Intergovernmental Panel on Climate Change (IPCC), and how this has perverted the already corrupted nexus between science and public policy.

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./Technology ( 29w 3d ago, 18 files)
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Untitled Page

Technology Archives

Most significant article: Personal Archives

Related articles: Knowledge Systems and Conflict,
Knowledge Futures (refers to deprecated WordMuller software)

More technical (Natural language Processing):
nlp-all.pdf, NLP-Parser.pdf, NLP-Inference.pdf

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./Technology/Knowledge Futures.html (1y 2w , size: 8365 bytes)
./Technology/Knowledge Systems and Conflict.html (1y 2w , size: 17910 bytes)
./Technology/LegacySoftware.html ( 29w 4d ago, size: 752 bytes)
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./Technology/SpeechDecisionTree.pdf (5y 22w 2d ago, size: 25855 bytes)
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