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In-house Researcher (Institute of Climate Change, Universiti Kebangsaan Malaysia)
The annual atmospheric CO2 is the highest recorded in history (424.61 ppm in 2024)
Mauna Loa is a global background observatory station that monitor the CO2 concentration of the Northern Hemisphere (global’s atmosphere). This station is located in Hawaii at altitude of 3400 m to cover the background atmosphere. The baseline of CO2 concentration showed increasing trend over 63 years (between 1959 and 2024). 2024 recorded the highest concentration of CO2 as compared to previous years. This data also showed 10-years average CO2 concentration rate had increased by from 1 ppm in 1959 to 2.5 ppm in 2022.
The Mauna Loa has served as the background atmospheric station for the northern Hemisphere.
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| TEMPORAL COVERAGE | : | 1959-2024 |
| TEMPORAL FREQUENCY | : | Yearly |
| SPATIAL COVERAGE | : | Global Average, Hawaii |
| SPATIAL RESOLUTION | : | – |
| VARIABLES | : | CO2 (ppm) |
Institute of Climate Change UKM (2022) Global Background Carbon Dioxide (CO2) Concentration. Institute of Climate Change, UKM. MyIKLIM database. Available online: https://myiklimysd.ukm.my/aqgh_001_ikl/ [accessed on: enter date]
The data presented is directly download from the NOAA website that is managed by the research groups below:
Dr. Ralph Keeling, Scripps Institution of Oceanography
| DATA PROVIDER | : | Global Monitoring Laboratory Earth System Research Laboratories |
| PROJECT HOMEPAGE | : | |
| REFERENCE | : | https://gml.noaa.gov/ccgg/trends/data.html Dr. Xin Lan, NOAA/GML (gml.noaa.gov/ccgg/trends/) and Dr. Ralph Keeling, Scripps Institution of Oceanography (scrippsco2.ucsd.edu/) |
No dataset available
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