Ozone depletion is caused by the ozone depleting substances(ods)which are man-made chemicals and stay in the stratosphere causingthe rate of depletion of ozone greater than its rate of formation. Causes of ozone depletion in the stratosphere studies have argued that the influence of 7,500 tons of chlorine from cfc amounting annually to the stratosphere is minimal compared to 600 million tons of chlorine and fluorine (other aggressive gas) like salts escaping oceans as aerosols. Depletion of the ozone layer could have drastic effects on plankton and other small marine organisms at the base of the ocean food chain these creatures are highly sensitive to uv radiation because they lack protective outer layers.
Ozone depletion and climate change, or ozone hole and global warming in more popular terms, are environmental challenges whose connections have been explored and which have been compared and contrasted, for example in terms of global regulation, in various studies and books. Effects of ozone layer depletion: ozone is a form of oxygen that is present in the earth’s atmosphere in small quantity its presence in the lower atmosphere closer to earth contributes to air pollution and causes damage to human tissues. Questions & answers on ozone depletion the ozone layer is a concentration of ozone molecules in the stratosphere about 90% of the planet’s ozone is in the ozone layer the layer of the earth’s atmosphere that surrounds us is called the troposphere an international consensus about the causes and effects of ozone depletion has.
Natural causes of depletion of ozone layer: ozone layer has been found to be affected by certain natural phenomena such as sun-spots and stratospheric winds but this has been found to cause not more than 1-2% depletion of the ozone layer and the effects are also thought to be only temporary. A depletion of the ozone layer will increase the uv-radiation at ground level increasing doses of uv-b may cause skin cancer, eye cataracts, damage to the immune system in animals as well as human beings, and have an adverse impact on plant growth. The unep panel on environmental effects of ozone depletion concludes in its 1994 report that present reality is far from the goal of defining impacts, and that funding of research on uvb effects is still very low and does not even allow full utilization of the existing research capacity.
Ozone layer depletion – causes, effects and solutions february 13, 2016 by admin leave a comment the ozone layer is the natural region in the stratosphere of the earth that is meant to absorb all the harmful ultraviolet rays of the sun and protects the earth’s surface from those rays. Depletion of the ozone layer has consequences on humans, animals and plants click below for important notes on uv and its effects on humans in the biosphere: eg, carbon dioxide (co2), carbon monoxide (co), carbonyl sulfide (cos) and ozone changes in uv levels can cause biosphere-atmosphere feedback resulting from the atmospheric. The origin, causes, mechanisms and bio effects of ozone layer depletion as well as the protective measures of this vanishing layer the chlorofluorocarbon and the halons are potent ozone normal ozone ozone layer depletion and its effects: a review monitoring the ozone layer over india for possible depletion trends opinions are many and. Effects on human health ozone layer depletion increases the amount of uvb that reaches the earth’s surface laboratory and epidemiological studies demonstrate that uvb causes non-melanoma skin cancer and plays a major role in malignant melanoma development.
The thinning of the ozone layer allows more uv rays from the sun get to the earth the ozone layer blocks most of the uv uv rays can cause skin cancer to those of us that work or play out side. Causes and effects of ozone hole: ozone layer is important because it prevents too many harmful ultra violet rays from reaching earth ultra violet rays have the capability to destroy plants and animals and can cause skin cancer, cataracts to human beings. Ozone depletion is a major cause of concern for the entire world the main factor responsible for causing the depletion of the ozone layer is an increase in the levels of free chlorine and bromine in the upper atmosphere of the earth. Ozone depletion is the effect of the cfcs on the ozone layer this causes more ozone to be destroyed than created causing a hole in the ozone that allows the sun's harmful ultraviolet rays to reflect on earth.
Ozone layer depletion first captured the attention of the whole world in the latter half of 1970, and since then, a lot of research has been done to find its possible effects and causes various studies have been undertaken to find out possible solutions. 1 what is ozone (o 3) ozone (o 3) is a gas that can form and react under the action of light and that is present in two layers of the atmospherehigh up in the atmosphere, ozone forms a layer that shields the earth from ultraviolet rays however, at ground level, ozone is considered a major air pollutant. Causes the main cause of ozone depletion are cfcs cfc's drift in the environment until they reach the stratosphere the uv radiation splits the chlorine from cfc's which attracts one of the three ozone atoms and destroys the ozone into ordinary oxygen.