The characteristics and dangers of acid rains the green house effect and decrease in the ozone layer

Laboratory and epidemiological studies demonstrate that UVB causes non-melanoma skin cancer and plays a major role in malignant melanoma development. EPA uses the Atmospheric and Health Effects Framework model to estimate the health benefits of stronger ozone layer protection under the Montreal Protocol. Effects on Plants UVB radiation affects the physiological and developmental processes of plants. Despite mechanisms to reduce or repair these effects and an ability to adapt to increased levels of UVB, plant growth can be directly affected by UVB radiation.

The characteristics and dangers of acid rains the green house effect and decrease in the ozone layer

Temporary increases in acidity also affect insects and other invertebrates, such as snails and crayfish, on which the fish feed. Gradual decreases of pH levels over time affect fish reproduction and spawning.

Moderate levels of acidity in water can confuse a salmon's sense of smell, which it uses to find the stream from which it came. Atlantic salmon are unable to find their home streams and rivers because of acid rain. In addition, excessive acid levels in female fish cause low amounts of calcium, thereby preventing the production of eggs.

Even if eggs are produced, their development is often abnormal. Increased acidity can also cause the release of aluminum and manganese particles that are stored in a lake or river bottom. High concentrations of these metals are toxic to fish.

Soil and Vegetation Acid rain is believed to harm vegetation by changing soil chemistry. Soils exposed to acid rain can gradually lose valuable nutrients, such as calcium, magnesium, and potassium and become too concentrated with dissolved inorganic aluminum, which is toxic to vegetation.

Long-term changes in soil chemistry may have already affected sensitive soils, particularly in forests. Forest soils saturated in nitrogen cannot retain other nutrients required for healthy vegetation.

Subsequently, these nutrients are washed away. Nutrient-poor trees are more vulnerable to climatic extremes, pest invasion, and the effects of other air pollutants, such as ozone.

They also believe acids suppress decay of organic mattera natural process needed to enrich the soils. Valuable nutrients such as calcium and magnesium are normally bound to soil particles and are, therefore, protected from being rapidly washed into groundwater.

Acid rain, however, may accelerate the process of breaking these bonds to rob the soil of these nutrients. This, in turn, decreases plant uptake of vital nutrients.

Acid deposition can cause leafy plants such as lettuce to hold increased amounts of potentially toxic substances such as the mineral cadmium. Research also finds a decrease in carbohydrate production in the photosynthesis process of some plants exposed to acid conditions. Research is under way to determine whether acid rain could ultimately lead to a permanent reduction in tree growth, food crop production, and soil quality.

Effects on soils, forests, and crops are difficult to measure because of the many species of plants and animals, the slow rate at which ecological changes occur, and the complex interrelationships between plants and their environment.

The effect of acid rain on trees is influenced by many factors. Some trees adapt to environmental stress better than others; the type of tree, its height, and its leaf structure deciduous or evergreen influence how well it will adapt to acid rain.

Scientists believe that acid rain directly harms trees by leaching calcium from their foliage and indirectly harms them by lowering their tolerance to other stresses. According to the EPA, acid rain has also been implicated in impairing the winter hardening process of some trees, making them more susceptible to cold-weather damage.

In some trees the roots are prone to damage because the movement of acidic rain through the soil releases aluminum ions, which are toxic to plants.If Global Dimming will be able to decrease the number of rains then half of the world's population (around three billion people) will be starving.

Global dimming and Global warming, hazardous effect of green house And also depletion of ozone layer as an environmental side effect (Wang and Chameides, ).

Acid Rain Greenhouse Effect Global Warming Ozone Layer Global Warming Is the conclusion of the Greenhouse effect, the temperature is increasing poles will melt and the sea level will be suffer floods. Acid rain greenhouse effect 12, views. Share; Like; Download Ashrith N Shetty. Follow Published on Sep 2 Acid rain, ozone depletion, Global warming Nirwair Bajwa.

The characteristics and dangers of acid rains the green house effect and decrease in the ozone layer

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