150 NON-Global Warming Graphs From 2017 Pummel Claims Of Unusual Modern Warmth

NON-Global Warming

  Emphatically Emerges

…in 122 (2017) scientific papers


2017: 150 Graphs, 122 Scientific Papers

In the last 12 months, 150 graphs from 122 peer-reviewed scientific papers have been published that undermine the popularized conception of a slowly cooling Earth temperature history followed by a dramatic hockey-stick-shaped uptick, or an especially unusual global-scale warming during modern times.

Yes, some regions of the Earth have been warming in recent decades or at some point in the last 100 years.

Some regions have 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 hundred to thousands of years.

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

The following (partial) list has been organized by geographical region.


1. North Atlantic 

Ogurtsov et al., 2017Kim et al., 2017Repschläger et al., 2017Piecuch et al., 2017Yashayaev and Loder, 2017Rosenthal et al., 2017, Abrantes et al., 2017
  

 


 2. North Pacific

 Wilson et al., 2017Anderson et al., 2017Kawakubo et al., 2017


3. Western Pacific

Bird et al., 2017Dodrill et al., 2017Nan et al., 2017Kawahata et al., 2017Deng et al., 2017Kong et al., 2017, Xu et al., 2017Sun et al., 2017

   


4. Tropical Atlantic

Rosenthal et al., 2017Flannery et al., 2017Fischel et al., 2017

 


5. Tropical Pacific

 Rosenthal et al., 2017Zhang et al., 2017Dechnik et al., 2017Cheung, 2017


6. Southwest Greenland,  East Greenland

Kryk et al., 2017Krawczyk et al., 2017


7. Nordic Seas

Kotthoff et al., 2017Tegzes et al., 2017


8. Indian Ocean

Gong et al., 2017Zhang et al., 2017


9. South Pacific/Southern Ocean

Li, 2017 , Markle et al., 2017Turney et al., 2017

  

Occupying about 14% of the world’s surface, the Southern Ocean plays a fundamental role in ocean and atmosphere circulation, carbon cycling and Antarctic ice-sheet dynamics. … a cooling trend since 1979.”

Latif et al., 2017      “The Southern Ocean featured some remarkable changes during the recent decades. For example, large parts of the Southern Ocean, despite rapidly rising atmospheric greenhouse gas concentrations, depicted a surface cooling since the 1970s…”
Kusahara et al., 2017   “Concomitant with this positive trend in Antarctic sea ice, sea surface temperatures (SSTs) over the Southern Ocean south of approximately 45°S have cooled over this period [since 1979].”

10. China

Wang et al., 2017Zhang et al., 2017, Ge et al., 2017Li et al., 2017Li et al., 2017Zheng et al., 2017Yao et al., 2017Li et al., 2017 

 
 

Hu et al., 2017  “According to the pollen records in the HRYR [Headwater Region of the Yellow River], the climate in the Holocene thermal maximum was warmer and wetter than present (temperature was 2 -3 °C higher than present)

11. Tibetan Plateau

Saini et al., 2017Sun et al., 2017Dong et al., 2017Li et al., 2017Chang et al., 2017Li et al., 2017


12. Central Asia

Lan et al., 2017Chand et al., 2017He et al., 2017Nazarova et al., 2017


13. United States

Alter et al., 2017Loisel et al., 2017Pontius, 2017Vachula et al., 2017

 


14. Canada

Gennaretti et al., 2017Demezhko et al., 2017Bolton and Beaudoin, 2017

Elmslie, 2017  “Pollen-based inferences suggest HTM temperatures were elevated by approximately 2-3°C [above present], and lake levels were regionally lower than today, suggesting warmer and more arid conditions than today. This warming resulted in increased algal production and associated cyanobacteria blooms in lakes in northwestern Ontario. In northeastern Ontario, climate projections suggest the HTM was 2-3°C warmer.”

15. Antarctica

Mayewski et al., 2017Stenni et al., 2017Chu et al., 2017Albot, 2017Jones et al., 2017

  

Oliva et al., 2017   (West Antarctic Peninsula)  “However, a recent analysis (Turner et al., 2016) has shown that the regionally stacked temperature record for the last three decades has shifted from a warming trend of 0.32 °C/decade during 1979–1997 to a cooling trend of − 0.47 °C/decade during 1999–2014. … This recent cooling has already impacted the cryosphere in the northern AP [Antarctic Peninsula], including slow-down of glacier recession, a shift to surface mass gains of the peripheral glacier and layer of permafrost in northern AP islands.”

16. Australia/New Zealand

Turney et al., 2017,  Jara et al., 2017Parker and Ollier, 2017

 


17. Arctic

Mangerud and Svendsen, 2017Fernández-Fernández et al., 2017Werner et al., 2017Moffa-Sánchez and Hall, 2017


18. Greenland

Li et al., 2017Lasher et al., 2017Reeves Eyre and Zeng, 2017Larsen et al., 2017Kobashi et al., 2017

 

Lusas et al., 2017 (East Greenland) “The lack of glacio-lacustrine sediments throughout most of the record suggests that the ice cap was similar to or smaller than present throughout most of the Holocene. … Air temperatures in Milne Land, west of our study area, based on preliminary estimates from chironomids, may have been 3–6°C warmer than at present (Axford et al. 2013).”

19. Europe

Perșoiu et al., 2017Abrantes et al., 2017 Tejedor et al., 2017Rydval et al., 2017Balanzategui et al., 2017Kaczka et al., 2017Simon et al., 2017

 

Stivrins et al., 2017 (Latvia) “[A] thermokarst active phase … began 8500 cal. yr BP and lasted at least until 7400 cal. yr BP. Given that thermokarst arise when the mean summer air temperature gradually increased ca. 2°C beyond the modern day temperature
Molnár and Végvári, 2017 (SE Central Europe) “Our study provides an estimate for the value of MAT of HTM of Pannon region with an interval of 0.4°C, relying on macroecological considerations. We calculate the temperature of the HTM [Holocene Thermal Maximum] 1.3–1.7°C warmer than the present temperature.”

20. Scandinavia

Krossa et al., 2017Luoto and Nevalainen, 2017Fuentes et al., 2017

Åkesson et al., 2017 (Norway)  “Reconstructions for southern Norway based on pollen and chironomids suggest that summer temperatures were up to 2 °C higher than present in the period between 8000 and 4000 BP, when solar insolation was higher (Nesje and Dahl, 1991; Bjune et al., 2005; Velle et al., 2005a).”

21. Mediterranean

Thienemann et al., 2017Samartin et al., 2017Ön et al., 2017Köse et al., 2017Zywiec et al., 2017Büntgen et al., 2017


Global/Northern Hemisphere

Lüdecke and Weiss, 2017Büntgen et al., 2017Robertson and Chilingar, 2017

via NoTricksZone

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January 1, 2018 at 06:10AM

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