Water pollution monitoring. Researchers monitoring the water quality of an area reclaimed from a waste disposal site. The female researcher is using a dissolved oxygen meter to assess the overall health of the water,while her colleague is checking on emissions of methane gas. They are from Newcastle University,England | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Cuthbert, Colin |
Bildgröße: | 3908 px × 3946 px |
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