上海市降尘监测中存在的问题

降尘监测是探索大气可自然沉降颗粒物对环境影响的不可缺少的手段之一.降尘监测因其采样设备简便、操作简单易行等优点被广泛运用,但是监测周期长、环节多等因素都会影响降尘监测的准确性.通过对上海市降尘数据分析发现,上海市降尘监测中存在降尘数据波动大、受周边环境影响大、人为破坏多等问题,并就这些问题提出了若干建议和解决办法.

Influencing factors of Dustfall Monitoring in Shanghai

Dustfall monitoring is a necessary way for appraising impact on environment from particles fall in atmosphere.Dustfall monitoring is adopted widely because the equipments are simple and easy to operate.But dustfall monitoring period is long and many processes are involved in dustfall monitoring.So accuracy of dustfall monitoring may be affected by these factors.By the analysis of dustfall data in Shanghai,some questions in dustfall monitoring were found.Variation of dustfall monitoring data was large.Data w...