350 Papers Published Since 2017 Subvert The Claim That Post-1850s Warming Has Been Unusual, Global

Image: Norilsk today -24, snow. https://vk.com/socialintellect (No sign of the famous man-made global warming)

In the last 35 months, 350 peer-reviewed scientific papers have been published containing documented evidence that undermines the popularized conception of a slowly-cooling Earth followed by a dramatic hockey-stick-shaped recent uptick, or an especially unusual global-scale warming during modern times.

During 2017 and 2018, there were over 250 papers published in scientific journals documenting the lack of any unusual warming in the modern era.

253 Non-Global Warming Papers (2017 & 2018)

Though research is still ongoing, there have been 100 more papers added thus far in 2019.

100 Non-Global Warming Papers (2019)

To clarify, some regions of the Earth have been warming in recent decades or at some point in the last 150 years.

Some regions have also been cooling for decades at a time.

And many regions have shown no significant net changes or trends in either direction relative to the last few decades to hundreds to thousands of years.

Succinctly, then, scientists publishing in peer-reviewed journals have increasingly provided documentation that there is nothing historically unprecedented or remarkable about today’s climate when viewed in the context of long-term natural variability.

A tiny sample of the 2019 list is shown below.


Klippel et al., 2019

[A]n analysis of instrumental temperatures for the period 1955–2013 shows that in northwestern Greece, statistically significant trends in summer temperature are absent (Feidas, 2016). The cooling trend from 1950–1976, previously reported throughout the Mediterranean basin, was followed by an, so far, insignificant warming (Piervitali et al., 1997; del Río et al., 2011). Our reconstruction mirrors this absence of a clear positive trend at decadal scale. … In total, 110 cold and 48 warm extremes appear in the 100SP reconstruction, and 105 cold and 57 warm extremes in the 10SP reconstruction (Figure 5 and Table S1). The year 1240 was the warmest summer, with reconstructed anomalies of +3.13 °C and +2.64 °C in the 100SP and 10SP reconstructions, respectively. The two coldest summers in the 100SP reconstruction are 1217 and 1884 with anomalies of –3.71 °C and –3.61 °C, respectively. The two coldest summers in the 10SP reconstruction occurred in different years, 1035 and 1117, with anomalies of –3.11 °C and -3.14°C, respectively. The third coldest summer in the 100SP and fourth coldest summer in the 10SP reconstructions, is 1959, which is the second coldest year in the instrumental EOBS v.15 record. The coldest decade is 1811–1820 (–0.73°C) and the warmest decade 1481–1490 (+0.88°C; calculated only for 100SP reconstruction). The elimination of decadal trends in the 10SP reconstruction causes events to appear more evenly distributed. However, over the past 450 years the occurrence of warm temperature extremes is substantially less frequent compared to preceding centuries.”

Booker et al., 2019

Warm Period 1 (~1924–2006 CE) was characterized by Tcal from 23 to 34°C (average 28.3 ± 0.96 °C), which is similar to the current seawater temperature for Grand Cayman and significantly warmer than CP 2. During this period there were two warm intervals (WI 2: ~1924–1932, WI 3: ~1972–1993) and two cool intervals (CI 3: ~1960–1972, CI 4: ~1993–2006). The warm intervals are characterized by an increase in Tcal of ~5–7 °C. The cool intervals are characterized by a decrease of ~4–5 °C. … • Mild Period 1 (~2006–2014 CE) was characterized by Tcal of 25 to 33 °C (average 27.5 ± 0.96 °C) which is similar to the current average seawater temperature for Grand Cayman (t-test: p b 0.01; Fig. 14).”

Fröb et al., 2019

“The container vessel M/V Nuka Arctica, owned by Royal Arctic Line, operates between Ilulissaat, Greenland and Aalborg, Denmark. … The SST measurements on Nuka Arctica show a substantial cooling during winters between 2004 and 2017 (Figures 2c and S6). From the IRM-W through the ICE-W box, the SST trend varies between -0.084±0.020 and -0.096±0.018 ◦C yr−1. Towards the east, thecooling is less pronounced, and in the FB box, the SST trend is only -0.045±0.016 ◦C yr−1. Averaged over all boxes, SST decreased by 0.78±0.19◦C per decade.”

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