The spatiotemporal inhomogeneity of the total column NO2 amounts (TCN) in Seoul Metropolitan Area (SMA), Korea, was quantitatively assessed through year-round (October 2019–May 2021) TROPOMI and ground-based Pandora measurements. average TCN over SMA comparable to that major Chinese megacities, being consistently high (> 0.8 DU; Dobson Unit) during daytime (10–17 local standard time). autocorre...

Context. The Cassini-Huygens space mission provided a huge amount of data for the Saturnian system. While ended in September 2017, there is still much information to be retrieved from data. Aims. Here, their orbital motion, we infer interior five inner moons, Atlas, Prometheus, Pandora, Janus, and Epimetheus. Our results benefit recent study shape these which provides better estimation 3D volum...

To apply Extended Entity Relationship Model (EER) is a good method for representing requirements on information systems, because of its high level of abstraction. Although it is very close to the user, it is not so trivial when some constructs, such as higher order relationships, are used. This paper describes the characterisation and several important results of an experiment performed at our ...