摘要
酸雨及其造成的危害是当今全球性的重大环境问题之一。我国长江以南出现酸雨,四川尤为严重。本文概述了四川自然环境特征,能源以及大气污染;调查了四川各地历年来降雨 pH 及酸雨频率变化;研究了四川酸雨的来源、化学特点以及时空分布;对四川酸雨的趋势进行了分析及预测,以为四川经济发展、环境保护等的规划决策提供科学依据。
Acid rain and its harms are one of the most important environmental problem in the world.This paper described natural ewvironment,energy resouree and air pollution in Sichuan,in vestigated the pH of rain water and frenqency of acid rain in Sichuan in recent years;it studied the origin and chemical characteristic and distribution of Sichuan acid rain, and forecast the tendeney of acid rain in sichuan.The results provide Ccientific basis for con- trolling Sichuan acid rain.
关键词
酸雨
二氧化硫
组成
空气污染
acid rain
air pollution
surfrt cliowicle
component
tendeney