DC-8 Meteorological and Navigation Data CPEX-CV

The DC-8 Meteorological and Navigation Data CPEX-CV dataset is a subset of airborne measurements that include GPS positioning and trajectory data, aircraft orientation, and atmospheric state measurements of temperature, pressure, water vapor, and horizontal winds. These data were gathered during the Convective Processes Experiment – Cabo Verde (CPEX-CV) field campaign. The NASA CPEX-CV field campaign was based out of Sal Island, Cabo Verde from August through September 2022. The campaign is a continuation of CPEX – Aerosols and Winds (CPEX-AW) and will be conducted aboard the NASA DC-8 aircraft equipped with remote sensors and dropsonde-launch capability that will allow for the measurement of tropospheric aerosols, winds, temperature, water vapor, and precipitation. The overarching CPEX-CV goal was to investigate atmospheric dynamics, marine boundary layer properties, convection, the dust-laden Saharan Air Layer, and their interactions across various spatial scales to improve understanding and predictability of process-level lifecycles in the data-sparse tropical East Atlantic region. These data files are available from September 2, 2022, through October 3, 2022, in ASCII format.

DC-8气象与导航数据CPEX-CV数据集是机载测量数据集的一个子集，涵盖全球定位系统（Global Positioning System，GPS）定位与轨迹数据、飞机飞行姿态数据，以及气温、气压、水汽和水平风等大气状态观测参数。这些数据采集自对流过程实验——佛得角（Convective Processes Experiment – Cabo Verde，简称CPEX-CV）野外观测活动。美国国家航空航天局（National Aeronautics and Space Administration，NASA）的CPEX-CV野外观测活动于2022年8月至9月以佛得角萨尔岛为基地开展。本次观测是对流过程实验——气溶胶与风（CPEX-AW）的延续，将依托搭载遥感传感器与探空仪投放系统的NASA DC-8飞机实施作业，可实现对流层气溶胶、风场、气温、水汽及降水的测量。CPEX-CV的总体目标是研究大气动力学、海洋边界层特性、对流过程、含尘撒哈拉气层及其多空间尺度的相互作用，以提升对热带东大西洋数据稀缺区域过程级生命周期的理解与可预测性。本次数据集的文件于2022年9月2日至2022年10月3日期间以ASCII格式开放获取。