It is believed that inland pollutant was carried out seaward by land breeze, and changed into ozone through solar insolation.

• 2.；海陆风环流在盛行风不明显的夏季主导污染物空间中的传送，夏季午后以内陆龙潭的浓度最高，且其最大浓度可能比沿海地区延迟一至二小时出现。