Dr. Ha Hagemann

Regional Land and Atmosphere Modeling

Scientist

Phone: +49 (0)4152 87-1854

E-mail contact

Reseach interests
Publications
Curriculum vitae

Regional Earth System Modeling
Atmosphere-Ocean-Sea Ice Interaction and Feedback
Convection Parameterization
Machine Learning
Graphic Design

Benkort, D., Christiansen, N., Ho-Hagemann, H.T.M., Daewel, U., & Gilles, A. (2024): How Do Offshore Wind Farms Affect the Ocean? Front. Young Minds., 12:1336535, doi:10.3389/frym.2024.1336535
Hagemann, S., Nguyen, T.T., & Ho-Hagemann, H.T.M. (2024): A three-quantile bias correction with spatial transfer for the correction of simulated European river runoff to force ocean models. Ocean Sci., 20, 1457–1478, doi:10.5194/os-20-1457-2024
Karsten, S., Radtke, H., Gröger, M., Ho-Hagemann, H.T.M., Mashayekh, H., Neumann, T., & Meier, H.E.M. (2024): Flux coupling approach on an exchange grid for the IOW Earth System Model (version 1.04.00) of the Baltic Sea region. Geosci. Model Dev., 17, 1689–1708, doi:10.5194/gmd-17-1689-2024
Zhang, W., Porz, L., Yilmaz, R., Wallmann, K., Spiegel, T., Neumann, A., Holtappels, M., Kasten, S., Kuhlmann, J., Ziebarth, N., Taylor, B., Ho-Hagemann, H.T.M., Bockelmann, F.-D., Daewel, U., Bernhardt, L., & Schrum, C. (2024): Long-term carbon storage in shelf sea sediments reduced by intensive bottom trawling. Nat. Geosci., doi:10.1038/s41561-024-01581-4
Grayek, S., Wiese, A., Ho-Hagemann, H.T.M., & Staneva, J. (2023): Added value of including waves into a coupled atmosphere–ocean model system within the North Sea area. Front. Mar. Sci., 10:1104027, doi:10.3389/fmars.2023.1104027
Gröger, M., Dieterich, C., Haapala, J., Ho-Hagemann, H.T.M., Hagemann, S., Jakacki, J., May, W., Meier, H.E.M., Miller, P.A., Rutgersson, A., & Wu, L. (2021): Coupled regional Earth system modeling in the Baltic Sea region. Earth Syst. Dynam., 12, 939–973, doi:10.5194/esd-12-939-2021
Ho-Hagemann, H.T.M., Hagemann, S., Grayek, S., Petrik, R., Rockel, B., Staneva, J., Feser, F., Schrum, C. (2021): Internal model variability of the regional coupled system model GCOAST-AHOI, Climate Limited-area Modelling Community Newsletter No. 16, Jan 2021, pp.10-11
Hagemann, S., Stacke, T., & Ho-Hagemann, H.T.M. (2020): High Resolution Discharge Simulations Over Europe and the Baltic Sea Catchment. Front. Earth Sci. 8:12, doi:10.3389/feart.2020.00012
Ho-Hagemann, H.T.M., Hagemann, S., Grayek, S., Petrik, R., Rockel, B., Staneva, J., Feser, F., & Schrum, C. (2020): Internal Model Variability of the Regional Coupled System Model GCOAST-AHOI. Atmosphere 2020, 11, 227, doi:10.3390/atmos11030227
Wiese, A., Staneva, J., Ho-Hagemann, H.T.M., Grayek, S., Koch, W., & Schrum, C. (2020): Internal Model Variability of Ensemble Simulations With a Regional Coupled Wave-Atmosphere Model GCOAST. Front. Mar. Sci. 7:596843, doi:10.3389/fmars.2020.596843
Ho-Hagemann, H.T.M., & Rockel, B. (2018): Einfluss von Atmosphäre-Ozean Wechselwirkungen auf Starkniederschläge über Europa. In: Lozán, J.L., Breckle, S.-W., Graßl, H., Kasang, D., & Weisse, R. (Hsg.): Warnsignal Klima: Extremereignisse, www.klima-warnsignale.uni-hamburg.de/wetterextreme/
Ha Thi Minh Ho-Hagemann, Matthias Gröger, Burkhardt Rockel, Matthias Zahn, Beate Geyer, H. E. Markus Meier (2017): Effects of air-sea coupling over the North Sea and the Baltic Sea on simulated summer precipitation over Central Europe. Climate Dynamics, pp 1–26, doi:10.1007/s00382-017-3546-8
Pätsch, J., Burchard, H., Dieterich, C., Gräwe, U., Gröger, M., Mathis, M., Kapitza, H., Bersch, M., Moll, A., Pohlmann, T., Su, J., Ho-Hagemann, H.T.M., Schulz, A., Elizalde, A., and Eden, C. (2017): An evaluation of the North Sea circulation in global and regional models relevant for ecosystem simulations. Ocean Modelling 116:70-95, doi: 10.1016/j.ocemod.2017.06.005
Rockel, B., J. Brauch, O. Gutjahr, N. Akhtar, H.T.M. Ho-Hagemann (2017): Gekoppelte Modellsysteme: Atmosphäre und Ozean. Promet - Meteorologische Fortbildung, 99, 65-75
Wahle, K., Staneva, J., Koch, W., Fenoglio-Marc, L., Ho-Hagemann, H. T. M., and Stanev, E. V. (2017): An atmosphere–wave regional coupled model: improving predictions of wave heights and surface winds in the southern North Sea. Ocean Sci., 13, 289-301, doi:10.5194/os-13-289-2017
Will, A., Akhtar, N., Brauch, J., Breil, M., Davin, E., Ho-Hagemann, H. T. M., Maisonnave, E., Thürkow, M., and Weiher, S. (2017): The COSMO-CLM 4.8 regional climate model coupled to regional ocean, land surface and global earth system models using OASIS3-MCT: description and performance. Geosci. Model Dev., 10, 1549-1586, doi:10.5194/gmd-10-1549-2017
Ho-Hagemann H.T.M., Hagemann, S., Rockel, B., 2015: On the role of soil moisture in the generation of heavy rainfall during the Oder flood event in July 1997. Tellus A (67), 28661. doi:10.3402/tellusa.v67.28661
Ho-Hagemann, H., Rockel, B., Kapitza, H. and Behrens, J. (2014): Impacts of different coupling methods on regional atmosphere-ocean simulations. Proceedings of 3rd International Lund Regional-Scale Climate Modelling Workshop, Lund, Sweden. International Baltic Earth Secretariat Publication, No.3, pp.26-27
Ho-Hagemann, H.T.M., Rockel, B., Kapitza, H., Geyer, B., and Meyer, E. (2013): COSTRICE - an atmosphere - ocean - sea ice model coupled system using OASIS3. Hereon Report No. 2013-5, 26pp.
Hagemann, H.T.M., Rockel, B., and Geyer, B., 2013: How a two-way online coupled model system impacts regional climate simulations. Proceedings of the 7th Study Conference on BALTEX, Oeland, Sweden, pp.63-64
Ho-Hagemann, H.T.M., Rockel, B. (2012): Coupled modelling of regional Earth systems. Atmosphere, ocean, sea ice and permafrost feedbacks. REKLIM Newsletter No.2, September 2012, pp. 4-5

Former Publications

Ho T.M.H., Phan V.T., Le N.Q., Nguyen Q.T. (2011): Extreme climatic events over Vietnam from observational data and RegCM3 projections. Climate Research 49:87 -100
Nguyen Y.N., Nguyen T.S., Ho T.M.H. (2010): Study the impacts of climate on streamflow regime in the part of Nhue and Day river basin in Hanoi City territory. Proceedings of the fifth Conference of Asia Pacific Association of Hydrology and Water Resourses. APHW Conference. Hanoi, Vietnam
Phan V.T., Ngo-Duc T., Ho T.M.H. (2009): Seasonal and inter-annual variations of surface climate elements over Vietnam, Climate Research 40:49 - 60
Ho T.M.H., Phan V.T. (2009): Impact of Black Carbon on regional climate over South-east Asia and Vietnam in numerical simulations. Proceedings of the 6th Scientific Conference on the Global Energy and Water Cycle and 2nd Integrated Land Ecosystem – Atmosphere Processes Study (ILEAPs) Science Conference. Melbourne, pp. 303-304
Phan V.T., Ngo-Duc T., Ho T.M.H. (2009): Seasonal and Inter-annual variations of surface climate elements over Vietnam. Proceedings of International MAHASRI/HyARC workshop on Asian Monsoon. Danang, Vietnam, pp. 97-109
Ho T.M.H., Phan V.T. (2009): Numerical simulations of the effect of black carbon aerosol on regional climate in southeast Asia and Vietnam, Report of International MAHASRI/HyARC Workshop on Asian Monsoon. Danang, Vietnam, pp. 185-197
Ho T.M.H., Phan V.T., Le N.Q. (2006): On the regional climate simulation over Southeast Asia using RegCM, Report of Vietnam-Japan Joint Workshop on Asian Monsoon. Ha Long, Vietnam, pp. 62-68
Xin Kieu Thi, Ho T.M.H., Le D. (2005): First results of seasonal simulation using RegCM3 with the Tiedtke convection scheme for the Southeast Asia Region, 23th International Association of the Meteorology and Atmospheric Science Report. Bejing, China
Kieu T.X., Le D., Ho T.M.H (2004): Improving simulation of Southeast Asia rainfall using RegCM3 and problems for the tropical region, 6th International GAME Conference Report. Kyoto, Japan
Ngo-Duc T., Nguyen Q.T., Phan V.T., Ho T.M.H. (2011): Climate projections for Middle region of Central Vietnam using dynamical downscaling method. Vietnam National University, Hanoi, Journal of Science, Natural Sciences & Technology, 27 (3S): 70 - 79. (in Vietnamese)
Ho T.M.H., Phan V.T. (2009): Magnitude and trends in extreme monthly temperature in Vietnam in period of 1961-2007, Vietnam National University, Hanoi, Journal of Science, Natural Sciences & Technology, 25 (3S): 412 - 422. (in Vietnamese)
Ho T.M.H., Thai T.T.M. (2009): Tropical convective parameterization in regional climate models. Journal of Hydrometeorology, Hanoi, 587: 14 - 22. (in Vietnamese)
Thai T.T.M., Nguyen V.L., Ho T.M.H., Nguyen V.T (2009): Impacts of convective parameterizations on temperature and rainfall simulations over Vietnam and adjacent areas in the regional climate model RegCM3. Journal of Hydrometeorology, Hanoi, 583: 15 - 23. (in Vietnamese)
Phan V. T., Ho T.M.H., Luong M.T., Tran Q.D. (2009): Application of RegCM3 in seasonal prediction of surface climate elements in Vietnam. VNU Journal of Science, Vol 25, No. 4, 2009, pp. 241-251 (in Vietnamese)
Phan V.T., Ho T.M.H. (2008): An investigation of the sensitivity of the Regional Climate Model (RegCM3). Part I: Effects of Lateral Boundary Conditions on the Seasonal Climate Simulations over Vietnam and South East Asian Region, Journal of Hydrometeorology, Hanoi, 573 (9): 1 - 12. (in Vietnamese)
Phan V.T., Ho T.M.H. (2008): An investigation of the sensitivity of the Regional Climate Model (RegCM3). Part II: Effects of Convective Parameterizations on the Seasonal Climate Simulations over Vietnam and South East Asian Region, Journal of Hydrometeorology, Hanoi, 574 (10): 1 - 11. (in Vietnamese)
Ho T.M.H., Nguyen H.D. (2006): Testing adjustment method for 3-month-range simulated temperature field of regional climate model (RegCM3) over South-East Asia, Vietnam National University, Hanoi, Journal of Science, Natural Sciences & Technology, T. XXII, No2B AP – 2006, pp. 20-27. (in Vietnamese)
Ho T.M.H., Nguyen H.D. (2006): An experiment in daily rainfall forecasting using Artificial Neural Network to adjust numerical model output, Vietnam National University, Hanoi, Journal of Science, Natural Sciences & Technology, T. XXII, No1AP – 2006, pp. 1-10. (in Vietnamese)
Ho T.M.H. (2004): Artificial Neural Network and first application in temperature prediction over Southeast Asia region. Internal journal of young scientists, Hanoi University of Science, Vol. 2, pp. 57-61. (in Vietnamese)
Tran T.T., Ho T.M.H. (2002): Using Empirical Orthogonal Function for the analysis daily rainfall over Central Vietnam. Science Conference Report, Journal of Hydro-Meteorology. Hanoi, 7: 231-237. (in Vietnamese)

Education & Career

since 2020: Research Theme Speaker for topic on Coupled Regional Modelling
REKLIM (Helmholtz-Verbund Regional Climate Change and Humans)

since 2018: Co-chair of Working Group on Coupled Regional Earth System Models
Baltic Earth (Earth System Science for the Baltic Sea Region)

since 08/2010 Postdoctoral Researcher
Helmholtz-Zentrum Hereon, Institute for Coastal Research, Germany

since 2008 Science team member
Vietnamese National University Research group REMOCLIC

2009 – 2010 Vice Head
Department of Meteorology, Faculty of Hydro-Meteorology and Oceanography, Hanoi University of Science, Vietnam

2008 – 2010 Lecturer and Researcher
Faculty of Hydro-Meteorology and Oceanography, Hanoi University of Science, Vietnam

2004 – 2008 PhD. student
Faculty of Hydro-Meteorology and Oceanography, Hanoi University of Science, Vietnam (fully funded scholarship)

2002 – 2008 Researcher and Assistant Lecturer
Faculty of Hydro-Meteorology and Oceanography, Hanoi University of Science, Vietnam

1998 – 2002 Student of Honor Program for Talented Students (fully funded scholarship)
Vietnam National University, Hanoi, Vietnam

Projects

since 11/2019 Member
Advanced Earth System Modelling Capacity (ESM)

since 2014 Member
Earth System Science for the Baltic Sea Region (Baltic Earth) since 08/2010 Project team member
Helmholtz Network "Regional Climate Change" (REKLIM)

2009 – 2010 Project team member
The Impacts of Global Climate Change on Extreme Climate Events over Vietnam, Predictability and Adaptation Strategic Solutions. Vietnamese National Project

2008 – 2010 Project team lead
Determine the suitable convective parameterization scheme for the regional climate model RegCM3. Hanoi University of Science Project

2006 – 2008 Project team member
Implementation of Regional Climate Model for seasonal simulation/prediction of surface climate fields for development planning and disaster prevention. Main Point Project of Vietnam National University

2002 – 2005 Project team member
Studying - forecasting heavy rainfall over a large area by using modern technology to provide forecasting flooding device. Vietnamese National Project collaborated with experts of DWD, Germany

Awards

2016 The best presentation (Poster) at the REKLIM Workshop
2009 Travel and Accommodation Grant for the Early Career Scientist Workshop and GEWEX/ILEAPS Conference in Melbourne, Australia issued by the iLEAPS International Project Office
2006 Travel and Accommodation Grant for the 3rd KAGI 21 International Summer School issued by the Kyoto University Active Geosphere Investigations for the 21st Century COE Program
2003 – 2008 Vietnamese National University Scholarship fully funded for PhD
2002 Top three winners at the Meteorological Student Research Competition, Hanoi University of Science, Vietnam
1998 – 2002 Vietnamese National Honor Program Scholarship, fully funded