Tropospheric ozone chemistry over the tropical Pacific

臭氧和活性氮通过控制大气中的氧化能力在对流层光化学中起关键作用。在这项研究中，我们在赤道西太平洋和美国大陆周围进行了飞机测量，以调查这些问题。1997年7月至11月，我们使用美国航空航天局DC-8型飞机在美国大陆附近的中低纬度地区进行了飞机测量。在整个任务过程中，我们成功地测量了活性氮（NO和NOy）。通过与气象学家和建模师等共同研究人员分析这些数据，获得了许多关于对流层上层活性氮来源的新知识。对臭氧产生速率的影响也进行了定量估计。1998年，我们使用日本研究飞机在印度尼西亚地区进行了飞机测量。在苏门答腊岛上空和附近进行了五次密集飞行。和加里曼丹。这是发生生物质燃烧的地区。与合作研究人员对这些数据进行的研究表明，生物质燃烧的化学特征及其对赤道地区臭氧化学的影响。

Ozone and reactive nitrogen play a critical role in the tropospheric photochemistry by controlling the oxidation capacity in the atmosphere. In this study, we made aircraft measurements over the equatorial western Pacific and around the US continent to investigate these issues.In 1997, we participated in the NASA' s aircraft measurements made at middle and low latitudes near the US continent between July and November using NASA DC-8 aircraft. We successfully measured reactive nitrogen species (NO and NOy) whole through the mission. By analyzing these data with co-investigators including the meteorologists and modelers, a lot of new knowledge on the sources of reactive nitrogen in the upper troposphere was obtained. Impact on the ozone production rate was also quantitatively estimated.In 1998, we made aircraft measurements around Indonesia region using Japanese research aircraft. Five intensive flights were made over and near Sumatra Is. and Kalimantan Is., the region where biomass burning was occurring. Studies with co-investigators on these data show that chemical signature of biomass burning and the impact from it to the ozone chemistry in the equatorial region.