Publications

On the Sea Ice Loss over the Bering-Chukchi Sea and Sudden Stratospheric Warmings during the Easterly Phase of the Quasi-Biennial Oscillation

Zhang, Jiarong; Orsolini, Yvan J.; Limpasuvan, Varavut

Åpner opp for kjøreforbud, økte parkeringsavgifter, og færre parkeringsplasser i ny beredskapsplan: – Det må være lett å agere ved dårlige målinger

Høiskar, Britt Ann Kåstad (interview subject); Aardahl, Tina (journalist)

Global NH3 emissions from livestock management: Implementation of a dynamical module within a land surface model and impact on atmospheric chemistry

Beaudor, M.; Vuichard, Nicolas; Lathiere, J.; Damme, M Van; Coheur, PF; Clarisse, L.; Evangeliou, Nikolaos; Hauglustaine, D

Long-term Observation-based Emission Estimates of Hydrofluorocarbon (HFC) Potent Greenhouse Gases in East Asia

Choi, Haklim; Park, Hyeri; Kim, Jooil; Geum, Sohyeon; Kim, Yeaseul; Muhle, Jens; Salameh, Peter K.; Harth, Christina M.; Weiss, Ray F.; Thompson, Rona Louise; Park, Sunyoung; Redington, Alison; Manning, Alistair J.

Changes in black carbon emissions in Europe and China due to COVID-19

Evangeliou, Nikolaos

Perfluoroalkyl substances (PFASs) in Svalbard: Longyearbyen and Ny-Ålesund

Kallenborn, Roland; Ali, Aasim Musa Mohamed; Langberg, Håkon Austad; Skaar, Jøran Solnes; Björnsdotter, Maria; Hartz, William F; Yeung, Leo WY.; Ahrens, Lutz

Atmospheric composition policy and services

Tarrasón, Leonor

Comparison of CH4 emissions reported in UNFCCC inventories against atmospheric inversions

Tzompa-Sosa, Zitely A.; Deng, Zhu; Ciais, Philippe; Saunois, Marielle; Qiu, Chunjing; Tan, Chang; Sun, Taochun; Ke, Piyu; Tanaka, Katsumasa; Lin, Xin; Thompson, Rona Louise; Tian, Hanqin; Yao, Yuanzhi; Huang, Yuanyuan; Lauerwald, Ronny; Jain, Atul K.; Xu, Xiaoming; Bastos, Ana; Sitch, Stephen; Palmer, Paul I.; Lauvaux, Thomas; d'Aspremont, Alexandre; Giron, Clément; Benoit, Antoine; Poulter, Benjamin; Chang, Jinfeng; Petrescu, Ana Maria Roxana; Davis, Steven J.; Liu, Zhu; Grassi, Giacomo; Albergel, Clement; Chevallier, Frederic

A new global shipping air pollution and GHG emission inventory using the bottom-up, well-to-wake MariTEAM model

Muri, Helene; Kramel, Diogo; Kim, YoungRong; Lonka, Radek; Nielsen, Jørgen Bremnes; Ringvold, Anna; Bouman, Evert Alwin; Steen, Sverre; Strømman, Anders Hammer

The CitySatAir Project – Exploiting Sentinel-5P Nitrogen Dioxide Data for the Urban Scale.

Mijling, Bas; Schneider, Philipp; Hamer, Paul David

A qualidade do ar na Europa antes, durante e após o COVID

Guerreiro, Cristina

Springtime nitrogen oxides and tropospheric ozone in Svalbard: local and long-range transported air pollution

Dekhtyareva, Alena; Hermanson, Mark H.; Nikulina, Anna; Hermansen, Ove; Svendby, Tove Marit; Holmén, Kim; Graversen, Rune

Svalbard is a near pristine Arctic environment, where long-range transport from mid-latitudes is an
important air pollution source. Thus, several previous studies investigated the background
nitrogen oxides (NO x ) and tropospheric ozone (O 3 ) springtime chemistry in the region. However,
there are also local anthropogenic emission sources on the archipelago such as coal power plants,
ships and snowmobiles, which may significantly alter in situ atmospheric composition.
Measurement results from three independent research projects were combined to identify the
effect of emissions from various local sources on the background concentration of NO x and O 3 in
Svalbard. The hourly meteorological and chemical data from the ground-based stations in
Adventdalen, Ny-Ålesund and Barentsburg were analysed along with daily radiosonde soundings
and weekly data from O 3 sondes. The data from the ERA5 reanalysis were used to evaluate the
prevailing synoptic conditions during the fieldwork. Although the correlation between the NO x
concentrations in the three settlements was low due to dominant influence of the local
atmospheric circulation, cases with common large-scale meteorological conditions increasing the
local pollutant concentration at all sites were identified. In colder and calmer days and days with
temperature inversions, the concentrations of NO x were higher. In contrast to NO x values, O 3
concentrations in Barentsburg and at the Zeppelin station in Ny-Ålesund correlated strongly, and
hence the prevailing synoptic situation and long-range transport of air masses were controlling
factors for them. The Lagrangian models HYSPLIT and FLEXPART have been used to investigate air
mass transport and transformations during the large scale O 3 depletion and enrichment events.
The factors affecting Arctic springtime photochemistry of O 3 have been investigated thoroughly
using Lagrangian and Eulerian numerical weather prediction model data and Metop GOME-2
satellite observations.

Arctic Sea-Ice Loss Intensifies Aerosol Transport to the Tibetan Plateau

Li, Fei; Wang, Huijun; Orsolini, Yvan J.; Cong, Zhiyuan; Gao, Yongqi; Kang, Shichang