摘要
通过对 1992～ 2 0 0 0年 4 2 1个降水过程的分析发现 ,这 9年期间商丘市出现了 34次酸雨 ,酸雨频率为8.1% ,酸雨降水量 6 93.4mm ,占总降水量的 11.7%。 1992、1993年酸雨污染较其他年严重 ,但 9年间无强酸性降水 ,从季节分布来看 ,9月、11月、12月酸雨污染严重 ,1月、6月、7月无酸雨发生。
In the year of 1992～2000, 421 precipitation processes in Shangqiu city was analyzed in this paper. It is found that there were 34 times acid rain occurred during these 9 years, which was 8.1% of the total rainfall process; Meanwhile the acid rainfall is 693.4mm, which is 11.7% of the total precipitation. Acid rain pollution is more serious in 1997 and 1998 than in other years. There was no strong degree acid rain during these 9 years. The acid rain pollution in September ?november and December was serious, but no acid rain occurred in January, June and July.
出处
《河南科学》
2002年第4期396-398,共3页
Henan Science
