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The Carbon Sense Coalition

All about carbon in life, energy and the atmosphere

The Biggest Public Policy Disaster in a Lifetime
Publish: Sun 20 Nov 2022 - 12:52 PM
Website: The Carbon Sense Coalition
Twitter: @carbsense
Source: View Original

By Ian Plimer

The 27th COP event is preceded by breathtakingly shrill predictions of forthcoming disasters from speculated catastrophic climate change. Here are a few cold hard facts:

No one has ever proven that human emissions of carbon dioxide drive global warming. For more than two decades I have been asking scientists for this proof. If proven, it would also have to be shown that natural carbon dioxide emissions, 97% of the annual total, don’t drive global warming. This also has never been done. Furthermore, if had been proven that human emissions of carbon dioxide drive global warming, there would be endless citation of the dozen or so seminal scientific papers demonstrating this proof. Instead, there is obfuscation and deafening silence.
Continue reading at Quadrant:

Under Sea Volcanoes – The Axial Seamount
Publish: Fri 29 Jul 2022 - 3:23 PM
Website: The Carbon Sense Coalition
Twitter: @carbsense
Source: View Original

By Jim Le Maistre

300 kilometers off the coast of Oregon there is an undersea volcano, The Axial Seamount. It erupted in 1982, 1998, 2011 and 2015. New Scientist July 9 th , 2007 suggests that there are roughly 3 million volcanoes under the oceans of the world, this one is the only under sea volcano ever, regularly, studied. It is estimated that about 80 % of all volcanic activity on Earth occurs under the oceans. Almost nothing is known about these volcanoes. Scientists do not even have a scale by which to measure volcanoes that erupt under the sea. No system has ever been developed to describe or rate their magnitude like the systems rating Volcanoes above land.

Environment Canada – August 2015 . . . arrow pointing to ’Axial Seamount’- by author

Read the whole article: [PDF, 881 KB]

2021-2022 Tonga Volcanic Eruption and Record Rainfall in Eastern Australia and New Zealand
Publish: Mon 04 Jul 2022 - 3:59 PM
Website: The Carbon Sense Coalition
Twitter: @carbsense
Source: View Original

By Alvin Wong and Wyss Yim. Volcanoes Study Group, Hong Kong.


During late 2021, the Hunga Tonga-Hunga Ha’apai submarine volcano erupted creating a new island which erupted sub-aerially on 15th January, 2022 sending a plume 58 km above sea level penetrating the mesosphere. The study of observation records including satellite data has revealed warming of the ocean-surface layer followed by atmospheric cooling caused by the release of geothermal heat and volcanic materials entering the atmosphere respectively. Environmental factors influencing weather include the development of a relatively ‘short’ life-span South Pacific Blob; the transfer of large quantities of water vapour from the ocean into the atmosphere; the low-pressure condition on the ocean surface; the formation of clouds; the reduction of solar radiation caused by volcanic materials in the atmosphere; the strengthening of trade winds; the meandering of jet streams; the development of atmospheric rivers, the additional cooling effect of torrential rainfall, and, the switch to La Niña conditions. The record rainfall in eastern Australia and New Zealand and Tropical Cyclone Dovi occurring in February 2022 were both outcomes of atmospheric cooling following the sub-aerial eruption.


The Hunga Tonga-Hunga Ha’apai volcano is located in the Kermadec-Tonga trench of the southern Pacific Ocean. A recent study has shown that earlier eruptions during August to December 2019 of at least two submarine volcanoes in Tonga and White Island volcano in New Zealand contributed geothermal heat to form a South Pacific Blob setting a new hottest temperature record for Antarctica on 6th February, 2020.1 Although the climatic impact of every volcanic eruption is different, sub-aerial volcanic eruptions have a cooling tendency while submarine eruptions have a warming tendency. The present study investigates observation records including satellite data on the role of the initially submarine eruptions of the Hunga Tonga-Hunga Ha’apia volcano in late 2021 which culminated in the millennium by the Volcanic Explosivity Index (VEI) 5 sub-aerial eruption on 15th January, 2022 (Figure 1) as a cause of the record rainfall in eastern Australia and New Zealand to the end of February 2022.

NOAA’s GOES 17 and Japan’s Himawari 8 satellites were perfectly positioned to observe and document the historic event.2 The 58 km plume height was two and a half times higher than any thunderstorms ever observed and the atmospheric pressure generated by the eruption circled Earth for several days. Multiple geostationary satellites with sensors detected the travelling pressure waves via temperature changes in mid-level atmospheric water vapour imagery.

Figure 1. Satellite image of the Hunga Tonga Hunga Ha’apai VEI 5 sub-aerial eruption on 15th January, 2022.

Oceanic and atmospheric changes

Initially the Tongan eruptions were submarine resulting in regional ocean warming through the release of geothermal heat and on 15th January, 2022, sub-aerial switching to regional atmospheric cooling driven by volcanic materials entering the atmosphere. Environmental factors influencing weather during the various stages were therefore different. They include the following:

  1. The formation of a relatively ‘short’ life span South Pacific Blob.
  2. The transfer of large quantities of water vapour from the ocean into the atmosphere.
  3. The low-pressure condition on the ocean surface.
  4. The formation of clouds.
  5. The reduction of solar radiation caused by volcanic materials in the atmosphere.
  6. The strengthening of trade winds.
  7. The meandering of jet streams.
  8. The development of atmospheric rivers.
  9. The additional cooling effect caused by torrential rainfall.
  10. The switch to La Niña conditions.

Hot seawater building up on the ocean-surface layer caused by the submarine eruptions increased the amount of water vapour in the atmosphere, facilitating cloud formation and providing additional energy for tropical cyclones. Figure 2 shows the latent heat flux for February 2022 obtained by the National Centre for Environmental Prediction-National Centre for Atmospheric Research (NCEP-NCAR) reanalysis model compared to the 1981-2010 long-term mean. High values exceeding the long-term average of 135 W/m2 (over 180 W/m2) and 45 W/m2 (over 60 W/mi2) can be observed in eastern Australia (black circled area) and northern New Zealand (white circled area) respectively. The Tongan eruptions increased rainfall in these areas through the input of volcanic aerosols as condensation nuclei, the transfer of large quantities of water vapour from the ocean into the atmosphere and the contribution to cloud formation.

Figure 2. Comparison of latent heat flux in the southwest Pacific Ocean between February 2022 and 1981-2010 long-term mean. Source: NOAA. 3

Large amounts of ash and gases, including sulphur dioxide and water vapour, were released into the atmosphere during the sub-aerial eruption on 15th January, 2022. Sentinel-5 Precursor (Sentinel-5P) and the Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO) satellites detected approximately 400,000 tonnes of sulphur dioxide and approximately 7 km thickness of volcanic ash in the stratosphere.4, 5 Through the Global Ozone Monitoring Experiment-2 (GOME-2) and the Infrared Atmospheric Sounding Interferometer (IASI) from the Meteorological Operational (MetOp) satellite, sulphur dioxide from the eruption was above South Africa and South America in just 10 days with some still remained in the atmosphere above Australia and New Zealand at the end of January 2022.6

Since the rising volcanic plume produced by the sub-aerial eruption weakened the temperature gradient, the jet stream became more sinuous. An upper trough caused by jet stream meandering was observed over eastern Australia and New Zealand on 1st and 23rd February, 2022 (Figure 3a-b black circles). In the lower atmosphere, the region ahead of the upper trough favoured air convergence while in the upper atmosphere the opposite air divergence was favoured. The sharp increase in water vapour ahead of the upper trough generated unstable conditions to produce heavy rainfall. Additionally, the upper trough facilitated the development of atmospheric rivers assisting the transportation of water vapour towards eastern Australia and New Zealand (Figure 3c-d black circles). Since 30th January, 2022, a narrow atmospheric river with high values of 50 mm of water vapour was observed to be transported to New Zealand. During the week of 6th-12th February, 2022, the atmospheric rivers became stronger and more water vapour, in excess of 60 mm was delivered to New Zealand. During the week of 20th-26th February, 2022, the atmospheric river weakened, but significant amounts of water vapour approaching 60 mm were still delivered to eastern Australia.

Figure 3. (a-b) Wind pattern at 250hPa on 1st and 23rd February 2022; (c-d) Advanced Microwave Scanning Radiometer-2 (AMSR-2) weekly atmospheric water vapour in mm during 30th January to 26th February, 2022. Source: United States National Weather Service, AMSR-2.7, 8

A simplified model of the 2021-2022 Tongan submarine/sub-aerial eruptions is shown in Figure 4.

Figure 4. Simplified model of the 2021-2022 Tongan submarine/sub-aerial eruptions.

2021-2022 South Pacific Blob

Based on fortnightly sea-surface temperature records of NOAA’s Coral Reef Watch,9 the development stages of the South Pacific Blob observed from mid-December 2021 to mid-February 2022 (Figure 5) include:

  1. On 15th December, 2021, anomalously hot seawater in the ocean-surface layer already established in the southwest Pacific Ocean.
  2. On 29th December, 2021, a South Pacific Blob connected to Tonga can be observed to be at the hottest east of New Zealand with an arm reaching the coast of South America.
  3. On 15th January, 2022, the core of the South Pacific Blob shifted further eastwards but the arm to the coast of South America was detached.
  4. On 15th February, 2022, the South Pacific Blob continued to extend eastwards with an arm reaching the coast of South America again.

Figure 5. Observations on the development stages of the South Pacific Blob based on sea-surface temperature anomalies at fortnightly intervals from 15th December, 2021 to 15th February, 2022. Source: NOAA Coral Reef Watch.9

Observation records of sea-surface temperature anomalies based on NOAA Coral Reef Watch shows that the South Pacific Blob was connected to the submarine eruption of the Tong`a volcano at least since 31st December, 2021. 10 On 16th January, 2022, an approximately 3 km2 area hot pool greater than 3°C above normal was observed at the Tongan volcano location. Since then, hot seawater was transported by ocean currents into the surrounding waters in a predominantly southeasterly and northwesterly direction. Weekly SST trend data from the NOAA Coral Reef Watch during 30th January to 5th February, 2022 indicated an increase in size of the hot pool with a temperature exceeding 2°C above normal reached a maximum total area of approximately 170,000 km2 (Figure 6).

Figure 6. Distribution of sea-surface temperature in the southwest Pacific Ocean during 30th January to 5th February, 2022. Source: NOAA Coral Reef Watch.9

Record rainfall in Australia and New Zealand

During the month of February, record rainfall was established at numerous stations in Australia and New Zealand (Figure 7a-b). In comparison to the long-term monthly average, rainfall in eastern Australia exceeded the average value by 5 mm/day while New Zealand exceeded 7 mm/day. These were caused by the combined effects of increased atmospheric moisture content, cloud formation, low-pressure, tropical cyclone, upper trough, solar radiation reduction, atmospheric rivers, trade wind strengthening and the switch to La Niña, all attributed to the Tongan eruption.

Rainfall records were broken at numerous stations. New South Wales in Australia had an anomalously wet February with many new rainfall records (Figure 7c). For the state as a whole, February 2022 rainfall was 29% higher than the 1961-1990 average.11 Severe flooding occurred in Queensland and New South Wales, with over 58,000 homes flooded between 22nd-26th February, 2022.12, 13 In New Zealand, Masterton Airport recorded its wettest day with 124 mm/day on 12th February, 2022 while Kelburn in Wellington had its second wettest day since 1939 with 152.5 mm of rain on 13th February, 2022.14, 15

Figure 7. February precipitation rates for eastern Australia and New Zealand in (a) 1981-2010 average and (b) 2022; (c) Selected weather stations in New South Wales, Australia with new February rainfall record. Source: Australian Bureau of Meteorology and NOAA.11, 16

Tropical Cyclone Dovi

The formation of Tropical Cyclone Dovi was fueled by the southern hemisphere summer sun assisted by the geothermally heated ocean surface layer through the Tongan submarine eruptions. On 5th February, 2022, a tropical depression formed in the northern Coral Sea and moved rapidly eastwards into the southwestern Pacific Ocean. On 8th February, 2022, due to the presence of the South Pacific High associated with the strengthening of the upper ridge and caused by the jet stream meandering, the depression changed to a southerly course before strengthening on 9th February, 2022 into Tropical Cyclone Dovi” (Figure 8). Although Dovi weakened into a depression on 12th February, 2022, it contributed significantly to the record rainfall in New Zealand.

Figure 8. Track of tropical cyclone Dovi. Source: Australian Bureau of Meteorology.11


The 2021-2022 Hunga Tonga Hunga Ha’apai volcanic eruptions had an underestimated natural role in climatic change. This study has shown that the record rainfall in Australia and New Zealand during February 2022 following the large sub-aerial eruption on 15th January, 2022 including the development of Tropical Cyclone Dovi was the result of the switch to atmospheric cooling triggered by the sub-aerial eruption. This is supported by observation records including satellite data.


  1. Wong, A. and Yim, W. (2020). 2019-2020 South Pacific Blob and Antarctica warming in February 2020. Saltbush Club.
  2. Science on a sphere, NOAA. (2022). Hunga Tonga-Hunga Ha’apai 2022 Volcano Eruption.
  3. Kalnay, E., Kanamitsu, M., Kistler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, S., White, G., Woollen, J., Zhu, Y., Chelliah, M., Ebisuzaki, W., Higgins, W., Janowiak, J., Mo, K., Ropelewski, C., Wang, J., Leetmaa, A., Reynolds, R., Jenne, R. and Joseph, D. (1996). The NCEP/NCAR 40-year reanalysis project. Bulletin of the American Meteorological Society, 77, 437-470. NCEP-NCAR Reanalysis 1 data provided by the NOAA PSL, Boulder, Colorado, USA.
  4. European Space Agency. (2020). EO Browser.
  5. National Aeronautics and Space Administration (NASA) and National Centre for Space Studies (CNES). (2006). Cloud-aerosol lidar and infrared pathfinder satellite observations (CALIPSO).
  6. Support to Aviation Control Service. (2022). SO2 and ash near real-time data.
  7. US National Weather Service. (2022). Global forecast system.
  8. Wentz, F.J., Meissner, T., Gentemann, G., Hilburn, K.A. and Scott, J. (2014). Remote sensing systems GCOM-W1 AMSR2 weekly environmental suite on 0.25 deg grid, version 8.2. Remote Sensing Systems, Santa Rosa, CA.
  9. NOAA Coral Reef Watch. (2018). Daily global 5 km satellite coral bleaching heat stress monitoring Version 3.1.
  10. Jet Propulsion Laboratory Multi-Scale Ultra-High Resolution of the NASA Making Earth System Data Records for Use in Research Environments Project (JPL MUR MEaSUREs Project). (2015). GHRSST Level 4 MUR Global foundation sea surface temperature analysis. Ver. 4.1. PO. DAAC, CA, USA.
  11. Australian Bureau of Meteorology. (2022). New South Wales in February 2022: Very wet end to the month for the Northern Rivers.
  12. The Watchers. (2022). Flood disaster in Queensland and New South Wales after a year’s worth of rain, Australia.
  13. The Watchers. (2022). Major floods as torrential rainfall continues falling over Queensland, Australia.
  14. The Watchers. (2022). Tropical Cyclone ‘Dovi’ brings destructive winds to New Zealand after wreaking havoc across Vanuatu and New Caledonia.
  15. MetService. (2022). Masterton Airport wettest day 9am-9pm periods.
  16. Xie, P. and Arkin, P. (1997). Global precipitation: A 17-Year monthly analysis based on gauge observations, satellite estimates, and numerical model outputs. Bulletin of the American Meteorological Society, 78(11), pp.2539-2558. CMAP Precipitation data provided by the NOAA/OAR/ESRL PSL, Boulder, Colorado, USA.

The Red Line of Death
Publish: Mon 18 Apr 2022 - 1:44 PM
Website: The Carbon Sense Coalition
Twitter: @carbsense
Source: View Original

Earth is suffering a plant food crisis. The climate crazies will make it worse:

The Power of Moonbeams
Publish: Fri 15 Apr 2022 - 1:10 PM
Website: The Carbon Sense Coalition
Twitter: @carbsense
Source: View Original

Australia’s alternative Prime Minister discovers “The Power of Moonbeams”.