What is a watershed? when looking at the location of rivers and the amount of streamflow in rivers, the key concept is the river's "watershed". what is a watershed? the storage and release of water in reservoirs can have a significant effect on the streamflow patterns of the river below the dam.. The connecticut river watershed is a model for how communities can integrate their land and water stewardship efforts with an emphasis on 'source-to-sea' watershed conservation," said secretary of the interior kenneth salazar upon announcing the new designation.. Water pollution is the contamination of water bodies, usually as a result of human activities. water bodies include for example lakes , rivers , oceans , aquifers and groundwater . water pollution results when contaminants are introduced into the natural environment..
The effect only works through the camera. however, there is a version of the project you can do where the effect would be visible with the naked eye. for that project, you'd have to use a strobe.