This year, Canada has suffered unprecedented forest fires. According to the latest data from the Canadian Forest Fire Centre, as of July 27 local time, the country's cumulative total of 4,782 forest fires, the cumulative overfire area of up to 122,000 square kilometers, which is 7.5 times the cumulative area affected by forest fires in 2000-2021 in our country.
A firefighting aircraft is extinguishing a fire in British Columbia, Canada, on July 24, local time.
Carbon dioxide emissions from forest fires in Canada have now reached 1 billion tons. "Greenhouse gases such as carbon dioxide, methane and nitrous oxide emitted by forest fires in Canada have a non-negligible impact on global warming and have developed into a global environmental event."
Estimated by experts that, as of today, the greenhouse effect of the methane and nitrous oxide emitted from this forest fire is approximately equivalent to 110 million tons of carbon dioxide equivalent, and with the direct emission of 1 billion tons of carbon dioxide, the greenhouse gas emissions from the Canadian forest fire are equivalent to 1.11 billion tons of carbon dioxide equivalent, which is already more than Japan's full-year energy-related carbon dioxide emissions in 2021 (according to the International Carbon Initiative's data, Japan's annual energy-related CO2 emissions in 2021 will be 1.067 billion tons, the fifth highest in the world). In addition, about 1/8 of Canadian forest fires occur in tundra, facilitating the release of methane stored in permafrost. In addition to the emission of greenhouse gases affecting the climate, Canadian forest fires cause environmental impacts and damage to human health through the release of air pollutants such as PM2.5, PM10, organic aerosols, black carbon, etc. In June, air quality in the United States, such as New York, Chicago, etc., had significantly deteriorated as a result. It has been observed that these air pollutants by the west wind circulation and other roles also in the global long-distance transmission, spread to the European continent, North Africa and some parts of Asia.
June 7, wearing masks pedestrians walking in the smog-shrouded streets of New York, USA.
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Detecting gas: standard: CO, SO2, NO2, O3, PM2.5/PM10
CO: detection range 0-10mg/m3, resolution 0.001mg/m3
SO2: detection range 0-2500ug/m3, resolution 1ug/m3
NO2: Detection range 0-2000ug/m3, resolution 1ug/m3
O3: detection range 0-2000ug/m3, resolution 1ug/m3
PM2.5: detection range 0-1000ug/m3, resolution 1ug/m3, laser principle
PM10: detection range 0-1000ug/m3, resolution 1ug/m3, laser principle.
TVOC, NH3, CO2 and other gases and temperature and humidity, particulate matter, differential pressure, wind speed, etc., can be extended to detect any 30 kinds of detection factors at the same time.
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