Metrological Research Of The Loss Caused By Environmental Pollution In Xi'an City

Humans and the environment has always been a unity of opposites. On the one hand man is inseparable from the environment, human from the environment to obtain the resources necessary for survival, on the other hand, obtain a copy of the human environment over the environment revenge on humans, resulting in resource depletion and damage to human health. Current acid rain, ozone destruction and global warming resulting "greenhouse effect" caused by rising sea levels is the focus of global concern. For its part, the western region sensitive to fragile ecological environment, the western region in recent years, the deteriorating ecological environment has attracted people's attention. With the "Eleventh Five-Year" during the national increase in the intensity of western development, environmental protection became a priority of government work.The contents of this paper is to analysis three aspects of Xi'an from air pollution, water pollution and solid waste pollution, and assessment of environmental pollution in Xi'an loss estimation methods and models. After comprehensive Review of the relevant environmental value assessment method, the paper select the associated pollution indicators, calculate, analyze the results of the estimation data collection on the basis of selected indicators from the appropriate estimation method. Environmental pollution and loss of GDP by the comparison between the analysis of the Xi'an's economic growth and environmental pollution, the relationship between the validation Xi'an between economic growth and environmental pollution, not to the Kuznets inverted U-curve, comprehensive evaluation the state of the environment in Xi'an, Xi'an to identify environmental problems and research on environmental pollution indicators in the sound system and construction of ecological city of Xi'an and specific recommendations for the use.