Solar Cycles, Seasonal CO2 Levels, Not Humans – Global Warming

I wonder what Al Gore has to say about this article which clearly shows the cyclical nature of “Global Warming”. As usually the liberal media has surpressed another scientific piece of evidence against Gores assertations that Global Warming is caused by Humans solely.

Moderators note: This is reposted from an essay that Jim sent to me. Jim was the State Climatologist for California for many years, and still does consilting work for the Californiua Dept. of Water Resources on rainfall studies. Jim has a command of simplicity in presentation, as you’ll read below. Jim’s presentation lends some insight into why CO2 increases lag temperature in historical and proxy climate records. Jim has also done another essay I’ve posted which relates The Pacific Decadal Oscillation, Sunspots, and Length of Day variances to rainfall patterns in California which you can read here.

Atmospheric Carbon Dioxide Variation
Jim Goodridge
California State Climatologist (retired)
jdgoodridge [at] sbcglobal dot net

11/3/2007

Carbon dioxide in the atmosphere is commonly modeled with the measurements from NOAA”S Mauna Loa observatory; the annual rate of increase in this data set is 1.4 parts per million.

mauna_loa_co2_trend.png

This increase fluctuates 6.3 ppm on an annual cycle with the highest in May and the lowest values in October.

mauna_loa_co2_yearly_var.png

The solubility of carbon dioxide in water is listed in the Handbook of Chemistry and Physics as a
declining function of temperature.

co2-h2o_solubility.png

The rising values of atmospheric carbon dioxide during the time of the Mouna Loa measurements could clearly be a function of reduced solubility of CO2 in the oceans of the Planet.

The source of heat needed to drive the increasing carbon dioxide from the oceans of Earth into the atmosphere is the Sun. The solar irradiance has been measured from orbiting satellites since 1978. Irradiance was highly correlated with the historic sunspot numbers.

solar_irradiance.png

Schove’s index of sunspot numbers dated from the year 1500. Combining Schoves index with the Royal Belgium Observatory’s measurements an index 1749 a 500-year index of irradiance was developed.

solar_irradiance_departure.png

If we are to believe that the irradiance and sunspot numbers correlate for the 3 sunspot cycles from 1975 to 2005 them it can be assumed that a correlation for the 1500 to 2005 follows. It is common to think of individual sunspot cycles to be independent events. This was not the case during the Maunder Minimum of sunspot activity from 1650 to 1710 when Earth was in the middle of the Little Ice Age.

The sunspot record needs to be examined in its entirety rather than as individual sunspot cycles. The method to do this is by calculating the accumulated departure from the average of all the sunspot numbers of the entire 500-year index. This reveals the cooling during the Maunder Minimum and the current “global warming”. The current warming of 15 watts per square meter began in 1935, based on the sunspot record.

The reason oxygen is 600 times as abundant as carbon dioxide is due to the robustness of microorganisms. The oxygen-carbon dioxide balance on the Planet has for billions of years been a function of the photosynthesis process.

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One Response

  1. In fact, current temperature levels are nowhere near the highs they have been in the past. This may sound odd considering the concern about global warming but let me explain. The earth’s current state is what we call an “interglacial period” this means we are technically still in an ice age! Ice age temperatures fluctuate over time creating glacial periods (what we usually think of when we think ice age) and warmer interim periods. However, when the earth is not in an ice age temperatures average much higher but still vary depending on the earth’s position relative to the sun. So what is the big deal with global warming? Well unfortunately massive spikes in greenhouse gasses such as methane and CO2 are pushing temperatures up faster than ever previously recorded. These changes should take thousands of years yet we are seeing the same jumps in decades and centuries! Biology doesn’t adapt that quickly to these changes and compounding effects are unpredictable at best in this situation. So yeah global warming has happened before, it is a natural cycle. But usually there is enough time for organisms that sustain life to keep up.

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