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Personal profile

Personal profile

Janneke Ettema (1978) is an assistant professor in 'Natural hazards and Climate Change' at the Earth Systems Analysis department in the Faculty of Geo-information and Earth Observation (ITC) of University of Twente, the Netherlands. Janneke Ettema earned a PhD degree (2010) in Meteorology from the Institute of Marine and Atmospheric research Utrecht (IMAU) at Utrecht University in the Netherlands and a MSc degree in Soil, Water and Atmosphere (specialization Meteorology) from the Wageningen University, the Netherlands (2001). Between finishing her MSc and starting a PhD, Janneke worked 2 years at the Royal Netherlands Meteorological Institute (KNMI) in De Bilt, the Netherlands on extreme wind assessment for the Dutch dike system. Additionally, she worked as consultant at the European Medium-Range Weather Forecasts (ECMWF ) in Reading, UK, where she focused on development and evaluation of a soil moisture data assimilation to improve the weather forecasting system for Europe. For her PhD, she studied the present-day climate and surface mass balance of Greenland and its ice sheet under the supervision of Prof. Dr. Michiel van den Broeke, Prof. Dr. Hans Oerlemans and Dr. Erik van Meijgaard (KNMI). By using an advanced regional atmospheric climate model (RACMO), changes in spatial and temporal distribution of atmospheric and surface processes could be analysed over the period 1957-2008. An unprecedented high horizontal resolution of 11 km led to new insights in the spatial patterns and temporal trends in surface mass fluxes that contribute to the total growth/loss of ice mass over the ice sheet. At ITC, her professional view has widened to hydro-meteorological hazards and climate change. The role of the meteorological processes in hazard related topics is her main focus. Hazards are often caused by extreme weather events, it is essential to get better understanding of the underlying triggering atmospheric processes and their relation to e.g. local land use.

Teaching

Janneke lectures MSc-topics as meteorological processes, meteorological hazards, atmospheric modelling and climate change. She supervises MSc students in the field of hydro-meteorological hazards and climate change, e.g. on impact changing drought conditions on risk assessment and monitoring extreme Indonesian rainfall events.

Research interests

 

Janneke's main research interest is the making of the link between meteorological processes and hydro-meteorological hazards world-wide. Her main focus is on modelling of land-atmosphere interactions and applications in climate, hazard and water resources studies E.g. within Marie Curie project CHANGES, she co-supervises a PhD-student working on the translation of changing meteorological triggering conditions for flood and landslide modelling. Getting a better understanding of the meteorological triggering conditions of hydro-meteorological hazard will provide insight on how downscaling of future climate scenarios could be optimized. Additionally, she is involved in climate scenario development for countries in Southeast Asia.

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Research Output 2008 2019

Applying WRF-openLISEM model coupling system to simulate flash flood hazard in Kampala, Uganda

Umer, Y. M., Jetten, V. G. & Ettema, J., 12 Apr 2019. 1 p.

Research output: Contribution to conferenceAbstractOther research output

Open Access
File
flash flood
hazard
rainfall
temporal distribution
modeling
1 Downloads (Pure)

Sensitivity of flood dynamics to different soil information sources in urbanized areas

Umer, Y. M., Jetten, V. G. & Ettema, J., Oct 2019, In : Journal of hydrology. 577, p. 1-14 14 p., 123945.

Research output: Contribution to journalArticleAcademicpeer-review

infiltration
soil
hydraulic property
flash flood
bare soil
4 Citations (Scopus)
1 Downloads (Pure)

Detecting geothermal anomalies and evaluating LST geothermal component by combining thermal remote sensing time series and land surface model data

Romaguera Albentosa, M., Vaughan, R. G., Ettema, J., Izquierdo-Verdiguier, E., Hecker, C. A. & van der Meer, F. D., Jan 2018, In : Remote sensing of environment. 204, p. 534-552 19 p.

Research output: Contribution to journalArticleAcademicpeer-review

surface temperature
remote sensing
Time series
land surface
Remote sensing
30 Downloads (Pure)

Distinguishing between Hazardous Flooding and Non-Hazardous Agronomic Inundation in Irrigated Rice Fields: A Case Study from West Java

Sianturi, R., Jetten, V. G., Ettema, J. & Sartohadi, J., 2018, In : Remote sensing. 10, 7, p. 1-21 21 p., 1003.

Research output: Contribution to journalArticleAcademicpeer-review

Open Access
File
paddy field
flooding
vegetation index
imagery
detection method

Reducing Potential Disaster Impacts in Irrigated Rice Fields in West Java

Sianturi, R. S., 2018, Enschede: University of Twente, Faculty of Geo-Information Science and Earth Observation (ITC). 205 p.

Research output: ThesisPhD Thesis - Research UT, graduation UTAcademic

Open Access
paddy field
disaster
cropping practice
vulnerability
flooding