Hella van Asperen, Dr.

Department of Biogeochemical Processes (BGP)
Amazon Tall Tower Observatory (ATTO)

Main Focus

I am working as a postdoctoral researcher in the ATTO project, where I am involved in the greenhouse gas (GHG) measurements at the towers. In this project, my main focus will be the FTIR-spectrometer 'Spectronus', which will measure CO2, CH4, N2O, CO and del13C-CO2 at the tall tower. In addition, I am involved in several field campaigns focusing on in-situ GHG flux measurements, such as from soils, water surfaces, trees, and termite mounds. I like working in the field, and like participating in collaborative interdisciplinary campaigns.

Education & Work Experiences

2022: Postdoctoral Researcher - Biogeochemical Processes, Max Planck Institute for Biogeochemistry, Jena, Germany

2018-2021: Visiting scientist - LBA, INPA (National Institute of Amazonian Research), Manaus, Brazil

2016-2021: Postdoctoral Researcher - Working Group Prof. J. Notholt, Institute of Environmental Physics, University of Bremen, Bremen, Germany

2011-2015: PhD student - Working group Prof. J. Notholt, Institute of Environmental Physics, University of Bremen, Bremen, Germany

2011-2014: PhD Graduate School ESSReS (Helmholtz Research School on Earth System  Science) Alfred Wegener Institute, Bremerhaven, Germany

2010-2011: Study Adviser for the educational programs BSc Soil, Water, Atmosphere; MSc Soil Science; MSc Hydrology & Water Quality; MSc Meteorology & Air Quality, Wageningen University, The Netherlands

2007-2010: MSc Soil Science - Wageningen University, The Netherlands

2007-2009: MSc Earth System Science - Wageningen University, The Netherlands

2003-2007: BSc Soil, Water, Atmosphere - Wageningen University, The Netherlands


2021: The role of termite CH4 emissions on the ecosystem scale, van Asperen, H., Alves Oliveira, J.R., Warneke, T., Forsberg, B., de Araújo, A.C., & Notholt, J., Biogeosciences.
2020: Understanding nighttime methane signals at the Amazon Tall Tower Observatory (ATTO), Botía, S., Gerbig, C., Marshall, J., Lavric, J.V., Walter, D., Pöhlker, C., Holanda, B., Fisch, G., de Araújo, A.C., Sá, M.O., Teixeira, P.R., Resende, A.F., Dias-Junior, C.Q., van Asperen, H., Oliveira, P.S., Stefanello, M., & Acevedo, O.C., Atmospheric Chemistry and Physics.
2020: Differential effects of wetting and drying on soil CO2 concentration and flux in near-surface vs. deep soil layers, Min, K., Berhe, A A., Khoi, C.M., van Asperen, H., Gillabel, J., & Six, J., Biogeochemistry.
2019: High N2O and CO2 emissions from bare peat dams reduce the climate mitigation potential of bog rewetting practices, Vybornova, O., van Asperen, H., Pfeiffer, E. & Kutzbach, L., Mires & Peat.
2018: Global soil consumption of atmospheric carbon monoxide: an analysis using a process-based biogeochemistry model., Liu, L., Zhuang, Q., Zhu, Q., Liu, S., Van Asperen, H. & Pihlatie, M., Atmospheric Chemistry and Physics.
2017: Diel variationin isotopic composition of soil respiratory CO2 fluxes: The role ofnon-steady state conditions, van Asperen, H., Warneke, T., Sabbatini, S., Höpker, M., Nicolini, G., Chiti, T., Papale, D., Böhm, M., & Notholt, J., Agricultural and Forest Meteorology
2015: Biosphere-Atmosphere Gas Exchange Measurements using Fourier Transform Infrared Spectrometry, van Asperen, H. PhD thesis, University of Bremen.
2015: The role of photo- and thermal degradation for CO2 and CO fluxes in an arid ecosystem, van Asperen, H., Warneke, T., Sabbatini, S., Nicolini, G., Papale, D., & Notholt, J., Biogeosciences.
2015: The use of FTIR-spectrometry in combination with different biosphere-atmosphere flux measurement techniques, van Asperen, H., Warneke, T., & Notholt, J., in: Towards an interdisciplinary approach in earth system science.
2014: Properties of anthropogenic soils in ancient run-off capturing agricultural terraces in the Central Negev desert (Israel) and related effects of biochar and ash on crop growth, van Asperen, H. Bor, A.M.C., Sonneveld M.P.W., Bruins H.J., & Lazarovitch, N. Plant and Soil.

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