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    • Advanced Hydrology and Water Resources Management (GE4211)
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About

Welcome to my site!
My name is Denitza and I am interested in a wide range of topics related to water resources (including quality & quantity, surface- and groundwater), data analysis & visualization, and science communication & education.

Work experience
- Researcher @ Geological Survey of Denmark and Greenland (GEUS) (Apr. 2020)
- Research assistant @ Geological Survey of Denmark and Greenland (GEUS) (2019-2020)
- Lecturer @ National University of Singapore (NUS), Singapore (2017 - 2019)
- Postdoctoral researcher @ University of Wyoming, USA (2015 – 2017)
- Research assistant @ Aarhus University, Denmark (2014)

- PhD fellow @ Aarhus University, Denmark (2011 – 2014)

Education
- PhD in Geoscience (2014), Aarhus University, Denmark
- MSc in Civil Engineering "Water and Environment" (2011) Aalborg University, Denmark
- MSc in Civil/Hydraulic Engineering (2007) UACEG, Bulgaria

In my free time I enjoy travelling & photography, and in general, I am into all sorts of arts. Currently, I call home: Aarhus (Denmark) & Sofia (Bulgaria).

@DenitzaV
LinkedIn
ResearchGate
G. Scholar
Instagram

Peer-review publications

A high-resolution nitrate vulnerability assessment of sandy aquifers (DRASTIC-N)

by Voutchkova, D.D., Schullehner, J., Rasmussen, P., Hansen, B. || Published in Journal of Environmental Management (2020)

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Parameter sensitivity of automated baseflow separation for snowmelt‐dominated watersheds and new filtering procedure for determining end of snowmelt period

by Voutchkova, D.D., Miller, S.N., Gerow, K.G.|| Published in Hydrological Processes (2019)

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Nationwide Drinking Water Sampling Campaign for Exposure Assessments in Denmark

by Voutchkova D.D., Hansen B., Ernstsen V., and Kristiansen S.M. || Published in International Journal of Environmental Research and Public Health (2018)

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Association of Lithium in Drinking Water with the Incidence of Dementia

by Kessing, L.V, Gerds, T.A., Knudsen, N.N., Jørgensen, L.F., Kristiansen, S.M., Voutchkova, D., Ernstsen, V., Schullehner, J., Hansen, B., Andersen, P.K., Ersbøll, A.K. || Published in JAMA Psychiatry (2017)

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Lithium in Drinking Water and the Incidence of Bipolar Disorder: a Nation-Wide Population-based Study

by Kessing, L.V., Gerds, T.A., Knudsen, N.N., Jørgensen, L.F., Kristiansen, S.M., Voutchkova, D., Ernstsen, V., Schullehner, J., Hansen, B., Andersen, P.K., Ersbøll, A. K. - || Published in Bipolar Disorders (2017)

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Iodine in Major Danish Aquifers

by Voutchkova, D.D., Ernstsen, V., Kristiansen, S.M., Hansen, B. || Published in Environmental Earth Sciences (2017)

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Lithium in Drinking Water and Incidence of Suicide: A Nationwide Individual-Level Cohort Study with 22 Years of Follow-Up

by Nikoline, N.K., Schullehner, J., Hansen B., Jørgensen, L.F., Kristiansen S.M., Voutchkova, D.D., Gerds, T.A., Andersen, P.K., Bihrmann, K., Grønbæk, M., Kessing, L.V., Ersbøll, A.K. || Published in International Journal of Environmental Research and Public Health (2017)

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Exposure to Selected Geogenic Trace Elements (I, Li, and Sr) from Drinking Water in Denmark

by Voutchkova, D.D., Schullehner, J., Knudsen, N. N., Jørgensen, L. F., Ersbøll, A. K., Kristiansen, S. M., Hansen, B. || Published in Geosciences (2015)

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Assessment of spatial variation in drinking water iodine and its implications for dietary intake: a new conceptual model for Denmark

By Voutchkova, D.D., Ernstsen, V., Hansen B., Sørensen B., Chaosheng Z., Kristiansen, S.M. || Published in Science of the Total Environment (2014)

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Iodine concentrations in Danish groundwater: historical data assessment 1933-2011

By Voutchkova, D.D., Kristiansen, S.M., Hansen, B., Ernstsen V., Sørensen, B., Esbensen, K. || Published in Environmental Geochemistry and Health (2014)

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Dissertations

2014   Iodine in Danish Groundwater and Drinking Water | PhD thesis, Aarhus University (Denmark) | link to AU library e-book

2011   Mapping of Nitrate Reduction Capacities on a Small Scale: Lundgårds Bæk Catchment Area | MSc thesis, Aalborg University (Denmark) | link to pdf

2007   Reconstruction of Pier 2 of Rosenets petrol port | MEng thesis, University of Architecture, Civil Engineering and Geodesy (Bulgaria) 

Conference abstracts

2017:   Voutchkova, D.D., Miller S.N. 50 years of change at 14 headwater snowmelt-dominated watersheds in Wyoming. AGU Fall meeting 2017, New Orleans, US (poster)

2016:   Voutchkova, D.D., Miller S.N. Retrospective analysis of low flows at headwater watersheds in Wyoming, 2016. AGU Fall meeting 2016, San Francisco, US (poster) 

2016:   Voutchkova, D.D., Miller S.N. Characterization of Wyoming snow-water equivalent variability based on historical SNOTEL data, 2016 CUAHSI Biennial Symposium: Finding Your Place in Big Data: Using Observations to Understand Hydrologic Processes for Predicting a Changing World (CUAHSI 2016), Shepherdstown, West Virginia, USA (poster)

2015:   Hansen, B., Schullehner, J., Voutchkova, D.D., Kristiansen, S.M., Pedersen, C.B., Sigsgaard, T. Exposure of geogenic elements in drinking water and public health; Study possibilities in Denmark. 6th International Conference on Medical Geology (MEDGEO 2015), Aveiro, Portugal

2015:   Voutchkova, D.D., Kristiansen, S.M., Hansen, B.2, Ernstsen, V. Governing factors and implications of spatially varying drinking-water iodine concentrations. 6th International Conference on Medical Geology (MEDGEO 2015), Aveiro, Portugal (oral presentation)

2015:   Voutchkova, D.D., Kristensen, S.M., Hansen, B., Ernstsen, V. Spatial variation of iodine in drinking water and groundwater in Denmark. 9th annual meeting of Danish Water Forum (DWF2015), Copenhagen, Denmark (oral presentation) 

2014:   Voutchkova, D.D., Hansen, B., Ernstsen, V., Esbensen, K., Sørensen, B, Kristensen, S.M.. High spatial variability of iodine in Danish groundwater and drinking water: geochemical factors and human health implications. 30th International Conference of the Society of Environmental Geochemistry and Health – European Section (SEGH 2014), Newcastle, UK (oral presentation) 

2014:   Voutchkova, D.D., Ernstsen, V., Kristensen, S.M., Hansen, B., Spatial variability of drinking water iodine in Denmark: implications for future policy making. European Geoscience Union General Assembly 2014 (EGU 2014), Vienna, Austria (poster) 

2014:   Voutchkova, D.D.; Hansen, B.; Sørensen, B; Larsen, C.L.; Kristensen, S.M.. Arsenic Levels in Danish Groundwater and Drinking Water: Historical Data Assessment 2001-2013. 5th International Conference on Medical Geology (MEDGEO 2013), Arlington, Virginia, United States. (poster) 

2013:   Voutchkova, D.D.; Kristensen, S.M.; Hansen, B.; Ernstsen, V.; Sørensen, B.; Esbensen K., Dietary Iodine Intake from Drinking Water in Denmark. 5th International Conference on Medical Geology (MEDGEO 2013), Arlington, Virginia, United States (oral presentation) 

2013:   Kristensen, S.M., Voutchkova, D.D., Sørensen, B., Hansen, B., Ernstsen, V., Esbensen, K., Iodine in Danish ground and drinking water – preliminary speciation results and design of a nationwide sampling campaign. 7th annual meeting of Danish Water Research and Innovation Platform (DWRIP 2013), DTU, Copenhagen, Denmark

2012:   Voutchkova, D.D., Kristensen, S.M., Hansen, B., Ernstsen, V., Sørensen, B., Esbensen, K. Multivariate Analysis of Danish Historical Hydrogeochemical Data with Respect to Iodine in Groundwater. Sino-European Symposium on Environment and Health (SESEH 2012), Galway, Ireland (oral presentation)

2012:   Voutchkova, D.D., Kristensen, S.M., Hansen, B., Sørensen, B., Ernstsen, V., Esbensen, K. Iodine in Groundwater in Denmark and Implications for Human Health, 2012.  ATV Jord og Grundvand, Gentofte, Denmark (oral presentation)

2012:   Voutchkova, D.D., Kristensen, S.M., Hansen, B., Ernstsen, V., Sørensen, B., Esbensen, K., Iodine in Groundwater in Denmark; Implications for Human Health, 2012. Medical geology workshop, organised by Geological Survey of Denmark and Greenland (GEUS) (oral presentation) 

2011:   Hansen, B., Ernstsen, V., Sørensen, B., Esbensen, K., Kristensen, S.M., Voutchkova, D.D. Iodine in groundwater and human health in Denmark; Issue of medical geology – relating natural geological factors and health. MEDGEO 2011 (poster)

Other outreach activities

  • Gave an interview for UWyo magazine (Volume 18, Number 2, January 2017) about WyCEHG: link to online version & print version (pdf file)
  • Directed, shot, and video-edited an outreach video (4:04 min, 2016) about “Quantifying return flow from flood irrigation” (a University of Wyoming and Wyoming Game and Fish project): link

Awards & Grants

2018:   NUSustainability Cluster Research Initiative (NUS) funded “Groundwater Research Programme”, role: co-PI; main PI: Vladan Babovic, period: 2 years, flexible

2017:   National Parks Board (NParks, Singapore) research grant “Drivers and Consequences of Stream Acidification in Natural Streams of Singapore” role: co-PI; main PI: Alan D. Ziegler, period: April 2017-April 2019

2017:   Department of Geography (NUS) financial assistance to attend & present at AGU Fall meeting 2017

2016:   WyCEHG financial support to attend & present at AGU Fall Meeting 2016

2016:   Wyoming Women in Science and Engineering (WWISE) travelling grant from EPSCoR Wyoming to attend and present research at AGU Fall Meeting 2016

2016:   CUAHSI travelling grant to attend  and present research at 2016 CUAHSI BIENNIAL SYMPOSIUM: Finding Your Place in Big Data: Using Observations to Understand Hydrologic Processes for Predicting a Changing World

2016:   Wyoming Women in Science and Engineering (WWISE) travelling grant from EPSCoR Wyoming to attend and present research at 2016 CUAHSI BIENNIAL SYMPOSIUM: Finding Your Place in Big Data: Using Observations to Understand Hydrologic Processes for Predicting a Changing World

2013:   Student Travel Award from the International Medical Geology Association (IMGA) for attending the 5th International Conference on Medical Geology in USA

2013:   IMGA Gardner Research Grant from the International Registry of Pathology (awarded for research grant application “Geographical distribution of drinking water iodine in Denmark as important factor for recognising population groups with low iodine intake”)

Where to find me?

I live and work in Aarhus, Denmark. If you have a question or if you are interested in any type of collaboration, send me an e-mail at voutchkova.denitza [at] gmail [dot] com. You can also find me in LinkedIn, Twitter, Instagram, or in my office at GEUS (when we're not working from home because of Covid-19).

All views and opinions are mine and do not represent those of people, institutions, or organisations that I am or have been associated with.

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