Acid deposition
Acid Deposition
Acid deposition (pronounced: /ˈæsɪd dɛpəˈzɪʃən/) is a broad term that includes any form of precipitation with acidic components, such as sulfuric or nitric acid, that fall to the ground from the atmosphere in wet or dry forms. This can include rain, snow, fog, hail or even dust that is acidic.
Etymology
The term "acid deposition" is derived from the process of acid being deposited on the Earth's surface. It was first used in the 1970s when scientists began noticing damage to plant and animal life caused by acidic precipitation.
Types of Acid Deposition
Acid deposition comes in two forms: wet and dry.
Wet deposition refers to acidic rain, fog, and snow. As these acidic water droplets fall to the ground, they can cause damage to the environment, particularly bodies of water and vegetation.
Dry deposition occurs when acidic gases and dust particles become deposited on the surfaces of buildings, cars, homes, and trees. Dry deposition can also affect the human respiratory system, causing health problems.
Causes of Acid Deposition
Acid deposition is primarily caused by human activities that release sulfur dioxide (SO2) and nitrogen oxides (NOx) into the atmosphere. These chemicals can be emitted by power plants, factories, and cars that burn fossil fuels.
Effects of Acid Deposition
Acid deposition can have severe effects on the environment. It can acidify water bodies, leading to the death of aquatic life. It can also damage forests and other vegetation, and can erode buildings and monuments.
Related Terms
See Also
External links
- Medical encyclopedia article on Acid deposition
- Wikipedia's article - Acid deposition
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