【8月12日 AFP】米航空宇宙局（NASA）は11日、地球観測衛星テラ（Terra）に搭載された対流圏汚染観測装置（Measurements of Pollution in the Troposph……
・Carbon Monoxide over Western Russia-----NASA Earth Observatory,August 11, 2010
NASA Video Shows Global Reach of Pollution from Fires-----NASA Jet Propulsion Laboratory,August 11, 2010-----Animation
-----image :Google Earthにレイヤーを読み込んだ情報。日本付近までの一酸化濃度を見ることができます。詳細は、下記情報を参照。
[ http://earthobservatory.nasa.gov/images/imagerecords/45000/45150/russia_mop_2010212.kmz ]を取得して表示。
" Even as Muscovites choked under a blanket of thick smoke in the first week of August 2010, concentrations of a colorless, odorless gas spiked to dangerous levels. A product of fire and a component of smoke, carbon monoxide is among the pollutants that wildfires spread across much of western Russia. This image, made with data from the Measurements of Pollution in the Troposphere (MOPITT) sensor flying on NASA’s Terra satellite, shows carbon monoxide over western Russia between August 1 and August 8, 2010.
The highest levels of carbon monoxide are shown in red, while lower levels are yellow and orange. Western Russia, including Moscow, sits under a broad area of elevated carbon monoxide. Areas where the sensor did not collect data during the period—probably because of clouds—are gray.
MOPITT measures carbon monoxide in the atmosphere between two and eight kilometers above Earth’s surface. The image shows the composite of those measurements, not carbon monoxide levels near the ground. However, ground measurements of carbon monoxide during the period reached more than six times higher than acceptable levels in Moscow, said news reports.
Carbon monoxide is a dangerous product of fire. The gas can remain in the atmosphere for weeks after being emitted and can therefore travel long distances from the fire that produced it. When it is near the ground where people can breathe it, carbon monoxide poses a health risk. Carbon monoxide binds to red blood cells more easily than oxygen, so it limits the amount of oxygen blood carries through the body. This causes a range of problems from headaches, nausea, and dizziness to cardiovascular problems and confusion. Carbon monoxide is also an ingredient in the production of ground-level ozone, which causes a number of respiratory problems."
NASA Earth Observatory image created by Jesse Allen, using data provided by Gabriele Pfister, the National Center for Atmospheric Research (NCAR) and the University of Toronto MOPITT Teams. Caption by Holli Riebeek.