Ayoe Buus Hansen Email & Phone Number

Exeter, United Kingdom

Lauder, New Zealand

Investigation of the role of ozone in New Zealand and Southern Hemisphere climate change.

Ann Arbor, Michigan

Redesigning the snow aerosol physics contained in the NCAR land and sea-ice models to accommodate (in a physically-consistent manner) aerosol deposition fluxes from the new NCAR CAM5 modal aerosol model (MAM).

Managing member database and finances for the Danish Meteorological Society

Roskilde

Abstract:The present work studies challenges in air pollution modeling focusing on transport, model evaluation, and human health.In regard to transport, certain desirable properties of transport schemes have been defined in the literature and new transport schemes aiming at fulfilling these properties are suggested here. In particular semi-Lagrangian transport schemes combine properties from fully Eulerian and fully Lagrangian methods. The Hybrid Eulerian Lagrangian (HEL) scheme fulfills all of the desirable properties also when considering chemistry and the nonlinearities therein and coupled to a dynamic model. When comparing a collection of state-of-the-art schemes, using a newly developed test case suite, it is seen that though HEL does not outperform all schemes in the given setup, it is the only scheme which neither overshoots nor generates range-preserving unmixing/unphysical mixing.Model evaluation studies are important to assess the current state-of-the-art within air pollution modeling and to establish which areas should be focus areas for future research. In the Air Quality Model Evaluation International Initiative (AQMEII) more than 10 models were tested and compared to assess performance with respect to meteorological input, O3, and PM. It was found that the models perform well, especially as an ensemble, but further work on improving the meteorological input and solving mass closure is needed.To estimate the health-related external costs from air pollution associated with different emissions the Economic Valuation of Air pollution (EVA) system has been developed and applied. The external costs for society from certain emission sectors are estimated in the present work and it is seen that agriculture, domestic heating based on wood burning, road traffic, and ship traffic are some of the largest contributors to the Danish society’s external costs of air pollution related to human health.

Litterature study of dust particles in atmospheric modelsFinding "0" when using tagging

Master thesis on semi-Lagrangian advection schemes

As part of my PhD study in Denmark I was visiting NOAA for 7 months, working on the AQMEII project, applying WRF-chem over Europe

Accounting, organized meetings

Gave introductory lectures on meteorology and presented the forecasting system at the Danish Meteorological Institute to e.g. public (ground-) and high school students.

Doctor Of Philosophy (Phd), Air Pollution Modeling

Activities and Societies: Student politics

Education record

M.Sc., Physics, Meteorology And Geophysics

High School, Physics

Additional physics class to supplement high school degree. From B (medium) level to A (highest) level high school physics.

High School, Mathematical High School

9Th Grade

Danish ground school, 2nd to 9th grade