Thomas Wöhling

Thomas Wöhling

Senior Research Scientist

Dr.rer.nat., Dipl.-Hydrol., TUD, Germany

Office +64 7 858 4840

Email thomas.woehling@lincolnagritech.co.nz

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Working in the Hamilton office from 2006 till 2010, Thomas (‘Eddy’) focused on measuring and modelling water and contaminant fluxes through the vadose zone at Lincoln Agritech's ‘Spydia’ facility near Lake Taupo. Despite relocating to Germany in 2010, Eddy continues to contribute to Lincoln Agritech's research on a part-time basis.

Thomas is an internationally recognised specialist in the fields of multiobjective inverse parameter estimation methods and associated parameter uncertainty assessments. He currently leads several research programmes at Technische Universität Dresden, Germany.

He has particular interests in:

  • Integrated modelling of coupled environmental systems: flow and contaminant transport in surface water – groundwater systems; water, nutrient and energy fluxes in soil-plant-atmosphere systems; distributed hydrological modelling; and vadose zone flow and transport processes in heterogeneous media
  • Evaluation and optimisation of monitoring networks
  • Worth of data and observation types to inform environmental models
  • Inverse modelling, model calibration, and efficient parameter estimation methods
  • Multiobjective optimization techniques and Pareto analysis
  • Stochastic modelling and uncertainty analysis
  • Model selection techniques and Bayesian model averaging

Academic and Professional History:

  • 2015- current: Senior Research Scientist, Team Leader Stochastic Modelling of Hydrosystems, Head of the Soil Hydrology Lab, Technische Universität Dresden, Germany
  • 2010 – 2015: Senior Research Scientist at Water and Earth System Sciences Competence Cluster (WESS), Tübingen, Germany
  • 2008 – current: Senior Research Scientist at Lincoln Environmental Research, Lincoln Ventures Ltd, Hamilton, New Zealand
  • 2006 – 2008: Research Hydrologist / Modeller at Lincoln Environmental Research, Lincoln Ventures Ltd, Hamilton, New Zealand
  • 2005: PhD in Hydrology, Technische Universität Dresden, Germany
  • 1999 – 2005: Research Associate at Institute of Hydrology and Meteorology, Dresden University of Technology, Dresden, Germany
  • 1999: Dipl.-Hydrol., Technische Universität Dresden, Germany

Recent Projects

Latest Publications View All

Evaluation of 42 lumped rainfall-runoff models for the Wairau River catchment, New Zealand, using the MARRMoT toolbox

EGU General Assembly 2021

Peesel A and Wöhling T Apr, 2021

DOI: 10.5194/egusphere-egu21-6977

Robust data worth analysis with surrogate models

The Groundwater Association

Gosses M & Wöhling T Apr, 2021

Operational prediction of river-groundwater exchange, groundwater levels and aquifer storage: The Wairau Plain Aquifer

EGU General Assembly 2021

Wöhling T Apr, 2021

DOI: 10.5194/egusphere-egu21-9700

 

Detecting the cause of change using uncertain data: Natural and anthropogenic factors contributing to declining groundwater levels and flows of the Wairau Plain Aquifer, New Zealand

Journal of Hydrology: Regional Studies, 31, 100715

Wöhling, T., Wilson, S. R., Wadsworth, V., Davidson, P. Jul, 2020

Robust data worth analysis with surrogate models in groundwater

Annual General Assembly of the European Geosciences Union, "Sharing Geoscience Online" online conference

Gosses M, Wöhling T May, 2020

DOI: 10.1111/gwat.13098

Lumped hydrological model for reasonable, long- term predictions of groundwater storage and depletion

Annual General Assembly of the European Geosciences Union, "Sharing Geoscience Online" online conference

Fahad E, Wöhling T, Nowak W May, 2020

AQUIFERWATCH: Operational prediction of groundwater heads and storage during river flow recession in the Wairau Aquifer, New Zealand

Annual General Assembly of the European Geosciences Union, "Sharing Geoscience Online" online conference

Wöhling T, Davidson P May, 2020

Natürliche und anthropogene Einflussfaktoren auf das hydrologische Regime des Wairau Plain Aquifer in Neuseeland

Hydrologie und Wasserbewirtschaftung. Vol. 63, 147-157

Wöhling, T Jun, 2019

AbstractThe Wairau River is situated in the Marlborough Region in the North of New Zealand’s South Island. Near its mouth into the Pacific Ocean, the river is recharging a regionally important aquifer which is managed for d... Read More

Simplification error analysis for groundwater predictions with reduced order models

Advances in Water Research, Vol.125, 41-56

Gosses, M. & Wöhling, T Mar, 2019

AbstractGroundwater resource management often requires detailed numerical models that make calibration and predictive uncertainty analysis computationally challenging. Reduced order models (ROMs) alleviate the computational b... Read More

Accounting for the Decreasing Reaction Potential of Heterogeneous Aquifers in a Stochastic Framework of Aquifer-Scale Reactive Transport

Water Resources Research, Vol. 54 (1), 442-463

Loschko, M., Wohling, T., Rudolph, D. L., Cirpka, O. A. Jan, 2018

Predicting nitrate discharge dynamics in mesoscale catchments using the lumped StreamGEM model and Bayesian parameter inference

Journal of Hydrology, Vol. 552, 684-703

Woodward, S. J. R., Wöhling, T., Rode, M., Stenger, R. Sep, 2017

The hydrological regime of the Wairau River Aquifer, New Zealand: Detecting change using uncertain data

Geophysical Research Abstracts Vol. 19, EGU2017-3714-1

Wöhling, T., Gosses, M., Wilson, S., Wadsworth, V., Davidson, P. Apr, 2017

AbstractNew Zealand’s gravel-bed rivers have deposited coarse, highly conductive gravel aquifers that are predominantly fed by riverwater. Managing their groundwater resources is challenging because the recharge mechanisms ... Read More

Optimal design of multi-type groundwater monitoring networks using easily accessible tools

Groundwater, Vol. 54(6), 861–870

Wöhling, T., Geiges, A., Nowak, W. Nov, 2016

AbstractMonitoring networks are expensive to establish and to maintain. In this paper, we extend an existing data-worth estimation method from the suite of PEST utilities with a global optimization method for optimal sensor p... Read More

Uncertainty in the modelling of spatial and temporal patterns of shallow groundwater flow paths: the role of geological and hydrological site information

Journal of Hydrology, Vol. 59(2), 680-694

Woodward, S. J. R., Wöhling, T., Stenger, R. Mar, 2016

AbstractUnderstanding the hydrological and hydrogeochemical responses of hillslopes and other small scale groundwater systems requires mapping the velocity and direction of groundwater flow relative to the controlling subsurf... Read More

Flow Stratification of River Water Quality Data to Elucidate Nutrient Transfer Pathways in Mesoscale Catchments

Transactions of The ASABE, Vol. 59(2),

Woodward, S. J. R., Stenger, R., Hill, R. B. Mar, 2016

AbstractWhile analysis of river water quality time series data alone allows observation of means, variances, trends, and seasonality, it cannot elucidate the catchment mechanisms responsible for these observations. Incorporat... Read More

Genome-scale investigation of phenotypically distinct but nearly clonal Trichoderma strains

Transactions of The ASABE, Vol. 59(2),

Lange, C., Weld, R. J., Cox, M. P., Bradshaw, R. E., McLean, K. L., Stewart, A., Steyaert, J. M. Mar, 2016

AbstractBiological control agents (BCA) are beneficial organisms that are applied to protect plants from pests. Many fungi of the genus Trichoderma are successful BCAs but the underlying mechanisms are not yet fully understoo... Read More

Uncertainty in the modelling of spatial and temporal patterns of shallow groundwater flow paths: The role of geological and hydrological site information

Hydrological Processes, Vol. 534, 680-694

Woodward, S. J. R., Wöhling, T., Stenger, R. Mar, 2016

AbstractUnderstanding the hydrological and hydrogeochemical responses of hillslopes and other small scale groundwater systems requires mapping the velocity and direction of groundwater flow relative to the controlling subsurf... Read More

Conceptualization of groundwater recharge from a braided river: The Wairau Fan

5th International Conference on Alluvial Fans, Christchurch, New Zealand

Wilson, S. R., Davidson, P., Wöhling, T. Nov, 2015

AbstractThe braided Wairau River is the main source of recharge to the highly productive Wairau Aquifer. Concurrent flow gauging measurements at low flow indicate that a 7 cumec loss occurs as the river traverses the Wairau a... Read More

Variability of unsaturated Bromide fluxes as measured through a layered volcanic vadose zone in New Zealand

Hydrological Processes, Vol. 28 (5), 6080–6097

Barkle, G. F., Wöhling, T., Stenger, R. Jan, 2014

AbstractThe measured drainage fluxes through a layered volcanic vadose zone exhibited high spatial variability as a consequence of heterogeneous flow conditions. The drainage flux variability was quantified using automated eq... Read More