Data tampering is probably one of the biggest issues with poorly conducted climate science. Government agencies, particularly NOAA and NASA have been caught red handed (scroll down) adjusting their temperature data and hiding some of it for both the United States and for the globe.
When you try and point out their adjustments to the climatologists working at the agencies, they shun you and express no interest into correcting their data, which tells me that the adjustments are purposeful and are part of a political agenda, whatever that may be.
Let’s examine this further to find out why and how they adjusted their data, because it is quite evident.
IPCC MEDIEVAL WARM PERIOD ELIMINATION
In their 1990 report, Tom Karl and the IPCC showed that the globe was warmer 900 years prior during the Medieval Warm Period (Figure 1). In fact, they showed the Holocene Maximum, which was at its maximum about 5,000 years ago, to also be warmer than today.
By 2001 though, climatologists working under political peer pressure had removed the Medieval Warm Period from existence, thus showing a hockey stick graph (Figure 2).
What is really interesting is that in 1995, a geophysicist named Dr. David Deming, from University of Oklahoma, testified before Congress stating that he received an email from a well-known climatologist stating that they had to eliminate the Medieval Warm Period from his graph (Figure 3).
After the adjustments were made to the data, climate activists started coming up with counterarguments, such as saying that the Medieval Warm Period was only in Europe. When debunked, they came up with another counterargument saying that the Medieval Warm Period was only in the Northern Hemisphere. However, they have been debunked again, but they show no sign of wanting to accept that they are wrong.
In fact, the 1990 IPCC graph was derived from the 1981 version published by NASA‘s James Hansen (Figure 4). The fact that they eliminated the Medieval Warm Period from the dataset by 2001, just goes to show you how dishonest government agencies were, and still are, but we are now under better circumstances with the Trump administration.
NOAA U.S. TEMPERATURE ADJUSTMENTS
If you thought the Medieval Warm Period elimination was bad, it only gets worse…
In late 2016, Climate Central wrote an article (Figure 5) claiming that 2016 was an extremely hot year (Figure 5). So right off the bat, we know that their article is nonsense because they claim that 2016 was the hottest year ever (just like all other years apparently are), when most people who passed grade school understand that there is no such thing as a hot or cold year. Climate Central obviously doesn’t understand the difference between a hot and a mild year, but they can figure that one out on their own.
The main problem with their assessment is that 2016 was a very mild year, NOT a warm year, and most certainly NOT a hot year. In fact, 2016 had very little hot weather in the United States. Only 4.4% of days were at or over 95°F (35°C), contrary to 80 years prior in 1936, where nearly 10% of days during the year were at or above 95°F (35°C) (Figure 6).
Climate Central also claims that temperatures in the United States have risen 1.5°F (0.83°C) since 1895, which is exactly what NOAA shows on their U.S. annual temperature graph (Figure 7).
However, the data presented in NOAA’s Climate At A Glance graph is altered to match their global warming theory. If we look at the raw data, the data that is not adjusted, there is only a small warming trend in U.S. temperatures since 1895. We just see an up and down trend with year to year variation (Figure 8).
Thus, when the two separate graphs are overlayed, there is a clear difference between the two graphs (Figure 9).
We can also look at the adjustments to USHCN station temperature by NOAA. The adjustments made are nearly 1.5°F (0.83°C), just as Climate Central claims. In addition, the adjustments in temperature have an R² of 0.98 to rising atmospheric CO2 (Figure 10).
Furthermore, geologist Tony Heller of The Deplorable Climate Science Blog has found that the adjustments are due to fabricated temperature data (Figure 11), because of the lack of recent station data. In NOAA’s database, you can easily see that more recent temperature data is fake because the boxes are marked with an “E” for empty.
NOAA, NASA, NCAR & CRU GLOBAL TEMPERATURE ADJUSTMENTS
The temperature adjustments aren’t just found in the United States temperature record, but they are also found in the global temperature record, and the adjustments are much more visible than the U.S. adjustments.
In 1978, NOAA showed us how global temperatures cooled about 0.6°C between 1965 and 1976 (Figure 12).
In fact, in December of 1989, NOAA’s Tom Karl reported that almost all global warming occurred before 1919, which was before carbon dioxide emissions increased sharply (Figure 13). He also stated that global temperatures cooled between 1921 and 1979, which is exactly what we see in untampered global temperature data.
The data directly from NASA (originally from NOAA) showed the cooling trend Tom Karl and NOAA were talking about, between 1947 and 1977 in their 1981 graph, made by James Hansen (Figure 14).
It is well understood by climatologists that a doubling of CO2 concentration in the atmosphere causes less than a 1°C (1.44°F or 0.8°K) rise in global temperatures. It is also known that a runaway greenhouse effect is impossible because the CO2 absorption spectrum is nearly 100% saturated. The more CO2 that is added to the atmosphere means that the rate of temperature increase becomes less and less eventually to the point where it levels off. Even if CO2 levels were to increase to ten times the current levels, or more, the temperature change would be less than 2.35°C (4.5°F or 2.5°K). In 1971, climatologists at NCAR and NOAA understood this as well (Figure 15).
However, since then, the adjustments keep getting larger and larger. I have examined their adjustments and it appears that the adjustments prior to 1980 are getting cooler and cooler and the adjustments after 1980 are getting warmer and warmer.
Going back to the 1981 graph, we see that global temperatures rose between 1880 and 1946, followed by a 0.3°C cooling trend between 1947 and 1977 (Figure 16).
By 1999, the cooling trend between 1947 and 1977 was slightly reduced and the years prior to 1980 were adjusted downward, while the years after 1980 were adjusted upward (Figures 17 and 18).
By 2002, the adjustments had gotten worse, but the cooling between 1947 and 1977 was still apparent (Figures 19 and 20).
In their 2017 version, the warming was nearly doubled from the 2001 graph. In addition, the 0.3°C global cooling observed between 1947 and 1977 has been completely eliminated from the global temperature record (Figure 21).
Now, despite these adjustments being vividly apparent, there are some possible reasons for the adjustments.
For one, the 1981 graph was based on the 30-year average of global temperatures between 1951 and 1980, while the 1999 graph was based on the 30-year average between 1961 and 1990, the 2001 graph based off the 1971-2000 average, and 2017 graph being based off the 1981-2010 average. However, as a person who studies data, I can assure you 30-year averages don’t change that much (up or down) over a 100-year period. The adjustments made certainly are outside the boundaries of flowing with long-term averages, so this plausible cause can automatically be written out.
Another possibility is due to land use changes and urbanization adjustments and filling in for missing data. However, we can rule this out too, as cities only account for two to three percent of Earth’s land surface. The only adjustments for such datasets would be okay for urban areas with populations of over 10,000 people.
The last possibility for the global temperature adjustments could be that of political peer pressure for a political agenda or government funding. And indeed, this is exactly what we see from the leaked Climategate emails exchanged between UCAR’s Tom Wigley and CRU’s Phil Jones. They discussed on how to get rid of the 1940s warm spike in the global temperature dataset (Figure 22).
In addition, much of the temperature data in the Southern Hemisphere is made up. Climatologists claim that the Southern Hemisphere temperatures match the Northern Hemisphere, thus they make up the global temperatures. However, as stated in 1978, scientists at the time agreed that most of the data for the Southern Hemisphere is unreliable because there was little of it (Figure 23).
The IPCC documented this as well in their first climate report in 1990. In fact, many places in both Hemispheres had unreliable data from 1880 until that time, such as Antarctica, the Southern Ocean, most of the Arctic, and Africa (not documented) (Figure 24).
In another one of the Climategate emails between Wigley and Jones, Jones admitted that most of the data for the Southern Hemisphere is made up because there was a lack of data (Figure 25).
This is exactly what they did. In their 1997 graph, their data said that 75% of the warming in the Southern Hemisphere occurred prior to 1940 (Figure 26).
However, by 2017, NASA changed the data to show 80% of the warming occurring after 1980 (Figure 27).
Junk science doesn’t get much worse than that.
The way that climate science is conducted at government agencies is sometimes non-scientific; it’s junk science.
Most of it seems to be the result of political peer pressure for some sort of political agenda, and/or for funding. If there is nothing catastrophic going on, then funding gets cut. If there is something scary, then scientists get funding. If the data doesn’t match their theory, they change the data. It doesn’t get simpler than that folks.
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