From the earliest observations of ozone in the lower atmosphere in the 19th century, both
measurement methods and the portion of the globe observed have evolved and changed …

Ozone holds a certain fascination in atmospheric science. It is ubiquitous in the atmosphere,
central to tropospheric oxidation chemistry, yet harmful to human and ecosystem health as …

Representation, representativity, representativeness error, forward interpolation error,
forward model error, observation‐operator error, aggregation error and sampling error are …

This paper describes the pre-operational analysis and forecasting system developed during
MACC (Monitoring Atmospheric Composition and Climate) and continued in the MACC-II …

Global coupled chemistry-climate models underestimate carbon monoxide (CO) in the
Northern Hemisphere, exhibiting a pervasive, negative bias against measurements peaking …

Daily global analyses and 5-day forecasts are generated in the context of the European
Monitoring Atmospheric Composition and Climate (MACC) project using an extended …

The specification of state background error statistics is a key component of data assimilation
since it affects the impact observations will have on the analysis. In the variational data …

The dataset presents a 43 year-long reanalysis of pollen seasons for three major allergenic
genera of trees in Europe: alder (Alnus), birch (Betula), and olive (Olea). Driven by the …

We have analyzed near-global stratospheric data (and mesospheric data as well for H 2 O)
in terms of absolute abundances, variability, and trends for O 3, H 2 O, HCl, N 2 O, and HNO …

We investigate the benefit of assimilating high spatial‐temporal resolution nitrogen dioxide
(NO2) measurements from a geostationary (GEO) instrument such as Tropospheric …