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Posted by feww on June 4, 2013
Posted in Global Disaster watch, global disasters, global disasters 2013, Global Food Crisis | Tagged: 400ppm, atmospheric CO2, carbon emissions, carbon footprint, Global CO2, Mauna Loa, Mauna Loa Observatory, Significant Event Imagery, Significant Events, Trends in Atmospheric Carbon Dioxide | Leave a Comment »
Posted by feww on May 11, 2013
On April 3, FIRE-EARTH forecast that the weekly average atmospheric CO2 at Mauna Loa could hit 400ppm by May 2013.
May 09 – 400.03 | May 08 – 399.42 | May 07 – 399.59 | May 06 – 399.43 | May 05 – 399.47 |
This is the first time the amount of carbon dioxide in the atmosphere in Hawaii tops 400ppm since measurement began in 1958, according to ESRL data.
The rise to 400ppm level of the atmospheric carbon dioxide represents yet another appalling milestone in the brief history of the homo ignarus.
The last time Earth’s atmosphere contained this much carbon dioxide was probably as many as 5 million years ago.
CO2 Daily and Weekly Means at Mauna Loa. The weekly mean (red bar) is simply the average of all days in the week for which a background value could be defined. The average standard deviation of day to day variability, calculated as the difference from the appropriate weekly mean, equals 0.38 ppm for the entire record. As a visual aid, the blue lines present monthly means of background data as they are presented under Recent Monthly CO2 at Mauna Loa. [Source: ESRL/NOAA]
Up-to-date weekly average CO2 at Mauna Loa
Recent Global CO2
Recent Monthly Average Mauna Loa CO2
Posted in carbon emissions, carbon footprint, Carbon Footprint of Your Dollar, carbon-intensive economy, Significant Event Imagery, significant events | Tagged: Atmospheric carbon dioxide, atmospheric CO2, Average Mauna Loa CO2, Back to the Primordial Future, CO2 at Mauna Loa, energy dinosaurs, ESRL, Hawaii, Homo Ignarus, long-lived greenhouse gases, Mauna Loa Observatory, Recent Global CO2, Trends in Atmospheric Carbon Dioxide, Trends in Atmospheric CO2, weekly average CO2 | Leave a Comment »
Posted by feww on April 29, 2013
The graph, updated weekly, shows as individual points daily mean CO2 up to and including the week (Sunday through Saturday) previous to today. The daily means are based on hours during which CO2 was likely representative of “background” conditions, defined as times when the measurement is representative of air at mid-altitudes over the Pacific Ocean. That air has had several days time or more to mix, smoothing out most of the CO2 variability encountered elsewhere, making the measurements representative of CO2 over hundreds of km or more. The selection process is designed to filter out any influence of nearby emissions, or removals, of CO2 such as caused by the vegetation on the island of Hawaii, and likewise emissions from the volcanic crater of Mauna Loa. Source: ESRL/NOAA
Posted in carbon dioxide, carbon emissions, carbon footprint, Global Disaster watch, global disasters, global disasters 2013, Significant Event Imagery, significant events | Tagged: Atmospheric carbon dioxide, atmospheric CO2, CO2 at Mauna Loa, ESRL, long-lived greenhouse gases, Mauna Loa CO2, Mauna Loa Observatory, Trends in Atmospheric Carbon Dioxide, Trends in Atmospheric CO2, weekly average CO2 | Leave a Comment »
Posted by feww on April 3, 2013
FIRE-EARTH projections show, based on the data provided by Mauna Loa Observatory, the average CO2 at Mauna Loa could climb to 400ppm in the next 6 weeks.
CO2 Daily and Weekly Means at Mauna Loa [April 2012 – March 2013.] The weekly mean (red bar) is simply the average of all days in the week for which a background value could be defined. The average standard deviation of day to day variability, calculated as the difference from the appropriate weekly mean, equals 0.38 ppm for the entire record. As a visual aid, the blue lines present monthly means of background data as they are presented under Recent Monthly CO2 at Mauna Loa. [Source: ESRL/NOAA]
The graph shows recent monthly mean carbon dioxide measured at Mauna Loa Observatory, Hawaii. [Source: ESRL/NOAA]
Monthly mean atmospheric CO2 at Mauna Loa Observatory, Hawaii [Source: ESRL/NOAA]
The graph shows recent monthly mean carbon dioxide globally averaged over marine surface sites. [Images sourced from ESRL/NOAA]
Historic
Time history of atmospheric carbon dioxide from 800,000 years ago until January, 2012.
Global average abundances of the major, well-mixed, long-lived greenhouse gases – carbon dioxide, methane, nitrous oxide, CFC-12 and CFC-11 – from the NOAA global air sampling network are plotted since the beginning of 1979. These gases account for about 96% of the direct radiative forcing by long-lived greenhouse gases since 1750. The remaining 4% is contributed by an assortment of 15 minor halogenated gases (see text). Methane data before 1983 are annual averages from Etheridge et al. (1998), adjusted to the NOAA calibration scale [Dlugokencky et al., 2005]. Source: ESRL/NOAA. Click on image to view larger image. Click HERE for full size figure .
Posted in carbon emissions, carbon footprint, CO2, CO2e, Global Disaster watch, global disasters, global disasters 2013, Significant Event Imagery, significant events | Tagged: Atmospheric carbon dioxide, atmospheric CO2, CO2 at Mauna Loa, ESRL, long-lived greenhouse gases, Mauna Loa Observatory, Trends in Atmospheric Carbon Dioxide, Trends in Atmospheric CO2, weekly average CO2 | 1 Comment »
Posted by feww on May 31, 2011
Based on the above data, total atmospheric CO2 TODAY:
Combined impact of Nitrous Oxide (N2O), Methane (CH4) and CFC 12 ( CCl2F2) calculated at their full global warming potential: 30.59% of the CO2 Impact, or the CO2 equivalent of
[MT: Metric Tons; Gt: Gigatons; CO2e: Carbon Dioxide Equivalent; ppm: parts per million by volume]
The graph, updated weekly, shows as individual points daily mean CO2 up to and including the week (Sunday through Saturday) previous to today. The daily means are based on hours during which CO2 was likely representative of “background” conditions, defined as times when the measurement is representative of air at mid-altitudes over the Pacific Ocean. That air has had several days time or more to mix, smoothing out most of the CO2 variability encountered elsewhere, making the measurements representative of CO2 over hundreds of km or more. The selection process is designed to filter out any influence of nearby emissions, or removals, of CO2 such as caused by the vegetation on the island of Hawaii, and likewise emissions from the volcanic crater of Mauna Loa. For details, see ”How we measure background CO2 levels at Mauna Loa”. The same measurement principles also apply elsewhere. The weekly mean (red bar) is simply the average of all days in the week for which a background value could be defined. The average standard deviation of day to day variability, calculated as the difference from the appropriate weekly mean, equals 0.38 ppm for the entire record. As a visual aid, the blue lines present monthly means of background data as they are presented under Recent Monthly CO2 at Mauna Loa. These data are still preliminary, pending recalibrations of reference gases and other quality control checks. Image and Caption: ESRL. Click images to enlarge.
This figure shows the atmospheric increase of CO2 over 280 ppm in weekly averages of CO2 observed at Mauna Loa. The value of 280 ppm is chosen as representative of pre-industrial air because it is close to the average of CO2 measured and dated with high time resolution between the years 1000 and 1800 in an ice core from Law Dome, Antarctica. [Etheridge et al., 1996]. Although the time resolution of old air locked in ice cores is not enough to preserve seasonal cycles, there is no doubt that the seasonal cycle, which is mostly caused by photosynthesis and respiration of ecosystems on land, was similar to what we observe today. Therefore, for the comparison with pre-industrial times the Mauna Loa weekly data have been first deseasonalized by subtracting the observed average seasonal cycle, and then subtracting 280 ppm. The enhancement of the CO2 mole fraction in the atmosphere over pre-industrial is expressed both as ppm and as a percentage change since the year 1800. Data are reported as a dry air mole fraction defined as the number of molecules of carbon dioxide divided by the number of all molecules in air, including CO2 itself, after water vapor has been removed. The mole fraction is expressed as parts per million (ppm). Example: 0.000400 is expressed as 400 ppm. Image and Caption: ESRL
Energy-related carbon-dioxide (CO2) emissions in 2010 broke all previous records, according to the latest estimates by the International Energy Agency (IEA).
The graph shows recent monthly mean carbon dioxide measured at Mauna Loa Observatory, Hawaii.
The last four complete years of the Mauna Loa CO2 record plus the current year are shown. Data are reported as a dry air mole fraction defined as the number of molecules of carbon dioxide divided by the number of all molecules in air, including CO2 itself, after water vapor has been removed. The mole fraction is expressed as parts per million (ppm). Example: 0.000400 is expressed as 400 ppm.
In the above figure, the dashed red line with diamond symbols represents the monthly mean values, centered on the middle of each month. The black line with the square symbols represents the same, after correction for the average seasonal cycle. The latter is determined as a moving average of SEVEN adjacent seasonal cycles centered on the month to be corrected, except for the first and last THREE and one-half years of the record, where the seasonal cycle has been averaged over the first and last SEVEN years, respectively.
The last year of data are still preliminary, pending recalibrations of reference gases and other quality control checks. The Mauna Loa data are being obtained at an altitude of 3400 m in the northern subtropics, and may not be the same as the globally averaged CO2 concentration at the surface. Image and Caption: ESRL
Monthly mean atmospheric carbon dioxide at Mauna Loa Observatory, Hawaii – The carbon dioxide data (red curve), measured as the mole fraction in dry air, on Mauna Loa constitute the longest record of direct measurements of CO2 in the atmosphere. They were started by C. David Keeling of the Scripps Institution of Oceanography in March of 1958 at a facility of the National Oceanic and Atmospheric Administration [Keeling, 1976]. NOAA started its own CO2 measurements in May of 1974, and they have run in parallel with those made by Scripps since then [Thoning, 1989]. The black curve represents the seasonally corrected data.
Data are reported as a dry mole fraction defined as the number of molecules of carbon dioxide divided by the number of molecules of dry air multiplied by one million (ppm). Image and Caption: ESRL -Data Set Available HERE
Posted in CO2 Emissions | Tagged: atmospheric pollution, carbon dioxide, carbon emissions, carbon pollution, CO2, CO2 at Mauna Loa, GHG, Total Atmospheric CO2e, Trends in Atmospheric Carbon Dioxide | Leave a Comment »
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