Scientist measures the carbon dioxide level in air
Numéro d’image : 11738608
| MODEL RELEASED. Air analysis. Scientist notes the level of carbon dioxide gas in a sample of air using a non-dispersive infrared gas analyser (at upper right). Carbon dioxide is a "greenhouse gas" that traps heat in the atmosphere,and which could change the world's climate. Each hour this equipment compares the concentration of atmospher- ic carbon dioxide to those in reference gases for calibration purposes. Before analysis,the gas is dried by a dryer (at lower left) which contains alcohol at -60 degrees celsius. Photographed at the Cape Grim Baseline Air Pollution Station in Tasmania,Australia | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / SIMON FRASER / CAPE GRIM B.A.P.S. |
| Taille de l’image : | 5029 px × 3948 px |
| Model Release : | Disponible |
| Property Release : | Non requis |
| Restrictions : | - |
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