Dr. Jan Friesen

Wissenschaftler

Kontakt/Adresse

Department Catchment Hydrology
Helmholtz-Zentrum
für Umweltforschung - UFZ
Permoserstr. 15
04318 Leipzig, Germany

Tel: 0341 235 1082
Fax: 0341 235 45 1082
Jan Friesen

Gebäude 7.1 -> Raum 411

jan

Wissenschaftlicher Werdegang

seit Nov 2014

Wissenschaftlicher Mitarbeiter im Department Catchment Hydrology (CATHYD), UFZ

Feb 2012 - Oct 2014

Wissenschaftlicher Mitarbeiter in der AG CIWAS (Coordination and Integration of Water Sciences), UFZ

2009 - 2012

Wissenschaftlicher Mitarbeiter im Department Hydrosystemmodellierung (CHS), UFZ

2004 - 2008

Dissertation in Hydrologie an der Delft University of Technology, Niederlande, Titel der Arbeit: "Der regionale Einfluss von Vegetationswasser auf die satellitengestützte Bestimmung von Bodenfeuchte in Westafrika"

2002 - 2004

Wissenschaftliche Hilfskraft am Zentrum für Entwicklungsforschung (ZEF), Department of Ecology and Resource Management, Universität Bonn, Deutschland

2002


Mitgliedschaften

Gewähltes Mitglied der Arab-German Young Academy of Sciences and Humanities (AGYA)

American Geophysical Union (AGU)

European Geophysical Union (EGU)

International Association of Hydrologic Sciences (IAHS)


Kooperationen / Projekte

Laufend

Transforming Weather Water data into value-added Information services for sustainable Growth in Africa (TWIGA), 01.02.2018 - 31.01.2022, European Union (EU). Also at Twitter & Facebook.

People, Pollution and Pathogens: Süßwasserlebensräume in Bergregionen – Nutzung, Verschmutzung, und Risiken für Mensch und Umwelt (P3), 01.06.2016 - 31.05.2019, The Belmont Forum

Establishment of a “Research, Demonstration and Training Facility for Decentralized Wastewater and Sludge Management” in Oman (IATI-WW), 01.08.2015 - 31.07.2019 ,The Research Council (TRC)

RUI: Measurement and modeling of rainfall interception loss from Georgia Southern University’s urban forest (link), 15.06.2015 - 31.05.2018, National Science Foundation (NSF)

Submarine Groundwater Discharge: Adaption of an autonomous aquatic vehicle for robotic measurements, sampling and monitoring (IATI-SGD), 02.06.2015 - 01.06.2019, The Research Council (TRC)


Abgeschlossen

Internationalen WasserforschungsAllianz Sachsen (IWAS-II)

Internationalen WasserforschungsAllianz Sachsen (IWAS)

Drought monitoring and yield forecast (DRYMON)

Globaler Wandel des Wasserkreislaufes - Volta Projekt (GLOWA Volta)



Medien/ Outreach

Bericht über AGYA Wissenschaftcomic im ägyptischen Fernsehen, ON Live (auf Arabisch) (19. Februar 2018)

Bericht über AGYA Wissenschaftcomic auf zweikommazwei Blog des Forschungszentrum Jülich (9. Februar 2018)

Von Biobrennstoff und Beerenhelfern. Medienrückblick zu dem AGYA Wissenschaftcomic auf BIOÖKONOMIE.DE (5. Februar 2018)

Wissenschaft trifft Comic! AGYA Pressemitteilung (26. Januar 2018).

Premiere mit Vorträgen zum 1. AGYA „Science Comic“. Die Gesellschaft für Comicforschung berichtet über die Premiere des AGYA Wissenschaftcomics (26. Januar 2018).

The Halophyte Tales Vol I. The Rise of the Incredible Salty Salicornia Power Plant: Der Wissenschaftscomic von Jan Friesen und Skander Elleuche in Zusammenarbeit mit Zeichner Tyasseta und Kolorist Siloy erklärt den Nutzen von Halophyten für die Bioenergieproduktion. Grundlage für den Comic ist die Arbeit von: A. Debez*, I. Belghith*, J. Friesen*, C. Montzka*, S. Elleuche* (2017) Facing the challenge of sustainable bioenergy production: Could halophytes be part of the solution?. Journal of Biological Engineering 11(27). doi: 10.1186/s13036-017-0069-0. (* equal contribution)

Invasion of the Trees: Professor’s comic connects entertainment to plant sciences Georgia Southern University Pressemitteilung (23. Juni 2017).

Auf den Spuren des Grundwassers im Süd-Oman UFZ Pressemitteilung (15. Juni 2017). Bericht in der Leipziger Volkszeitung am 15. Juni 2017.

Plant Invasion Alters Canopy Ecohydrology! Graphic novella von Zeichner Bagus Seta (Tyasseta). Hintergrund der Geschichte ist der wissenschaftliche Artikel von Sadeghi et al. (2017), erschienen in Agricultural and Forest Meteorology, 240, 10.

AGYA in discussion: Spotlight on Survival Artists: Saltwater Plants as Biomass for Energy Production?

AGYA in discussion: The Path to Publication - Biologist Skander Elleuche and Geoscientist Jan Friesen talk on publication strategies in natural sciences.

Scitech 2016 Episode 5 ‚Plants for green future‘. Der Dhofar Nebelwald im Oman und dessen Interaktion mit dem Grundwasser werden von Dr. Jan Friesen, Dr. Thomas Müller, und Dr. Abdullah Bawain vorgestellt. (Anfang bei Minute 10:11, in arabisch).

Publikationen

J. Friesen, M. Zink, A. Bawain, T Müller (2018) Hydrometeorology of the Dhofar cloud forest and its implications for groundwater recharge. Journal of Hydrology: Regional Studies, 16(54:66), doi:10.1016/j.ejrh.2018.03.002.

S.M.M. Sadeghi, J.T. Van Stan, T.G. Pypker, J. Tamjidi, J. Friesen and M. Farahnaklangroudi (2018) Importance of transitional leaf states in canopy rainfall partitioning dynamics. European Journal of Forest Research. 1:10. doi:10.1007/s10342-017-1098-4.

D.S. Schmeller, A. Loyau, K. Bao, W. Brack, A. Chatzinotas, F. De Vleeschouwer, J. Friesen, L. Gandois, S.V. Hansson, M. Haver, G. Le Roux, J. Shen, R. Teisserenc, V. Vredenburg (2018) People, pollution and pathogens – global change impacts in mountain freshwater ecosystems. Science of The Total Environment 622–623(756:763), doi:10.1016/j.scitotenv.2017.12.006.

A. Debez*, I. Belghith*, J. Friesen*, C. Montzka*, S. Elleuche* (2017) Facing the challenge of sustainable bioenergy production: Could halophytes be part of the solution?. Journal of Biological Engineering 11(27). doi: 10.1186/s13036-017-0069-0. (* equal contribution)

J.T. Van Stan, Z. Norman, A. Meghoo, J. Friesen, A. Hildebrandt, J.-F. Côte, G. Maldonado (2017) Edge-to-stem variability in wet canopy evaporation from an urban tree row. Boundary-Layer Meteorology, 165(295:310). doi:10.1007/s10546-017-0277-7.

E.D. Gutmann, J.T. Van Stan, J. Friesen, D.P. Aubrey, J. Lundquist (2017) Observed compression of in situ tree stems during freezing. Agricultural and Forest Meteorology. 243(19:24). doi:10.1016/j.agrformet.2017.05.004.

S.M.M. Sadeghi, J.T. Van Stan, T.G. Pypker, and J. Friesen (2017) Canopy hydrometeorological dynamics across a chronosequence of a globally invasive species, Ailanthus altissima (Mill., tree of heaven). Agricultural and Forest Meteorology. 240–241(10:17). doi:10.1016/j.agrformet.2017.03.017.

U. Wollschläger, S. Attinger, D. Borchardt, M. Brauns, M. Cuntz, P. Dietrich, J. H. Fleckenstein, K. Friese, J. Friesen, A. Harpke, A. Hildebrandt, G. Jäckel, N. Kamjunke, K. Knöller, S. Kögler, O. Kolditz, R. Krieg, R. Kumar, A. Lausch, M. Liess, A. Marx, R. Merz, C. Mueller, A. Musolff, H. Norf, S. Oswald, C. Rebmann, F. Reinstorf, M. Rode, K. Rink, K. Rinke, L. Samaniego, M. Vieweg, H.-J. Vogel, M. Weitere, U. Werban, M. Zink, S. Zacharias (2017) The Bode Hydrological Observatory: A platform for integrated, interdisciplinary hydro- ecological research within the TERENO Harz/Central German Lowland Observatory, Environmental Earth Sciences, 76:29. doi:10.1007/s12665-016-6327-5.

J. Friesen, L. Rodriguez Sinobas, L. Foglia, and R. Ludwig (2017) Environmental and socio-economic methodologies and solutions towards integrated water resources management. Science of the Total Environment, Volumes 581–582(906:908). doi:10.1016/j.scitotenv.2016.12.051.

M. Strauch, R. Kumar, S. Eisner, M. Mulligan, J. Reinhardt, W. Santini, T. Vetter, and Friesen, J. (2017) Adjustment of global precipitation data for enhanced hydrologic modeling of tropical Andean watersheds. Climatic Change, 14(3), 547-560. DOI:10.1007/s10584-016-1706-1.

Siebert, C., Rödiger, T., Schulz, S., Horovitz, M., Merz, R., Friesen, J., Dietrich, P., Michelsen, N., Kallioras, A., Rausch, R., Engelhardt, I., Al-Saud, M., Schüth, C. (2016): New tools for coherent information base for IWRM in arid regions: the Upper Mega Aquifer System on the Arabian Peninsula. In: Borchardt, D., Bogardi, J., Ibisch, R., (eds.), Integrated water resources management: Concept, research and implementation, Springer.

Van Stan, J.T., Lewis, E.S., Hildebrandt, A., Rebmann, C., Friesen, J. (2016) Impact of interacting bark structure and rainfall conditions on stemflow variability in a temperate beech-oak forest, central Germany. Hydrological Sciences Journal/Journal des Sciences Hydrologiques, 61(11). 2071–2083. doi:10.1080/02626667.2015.1083104.

J. Friesen, J. D. Lundquist, and Van Stan, J. T. (2015): Evolution of forest precipitation water storage measurement methods. Hydrological Processes, 29, 2504–2520. doi: 10.1002/hyp.10376.

G. Strauch, K. S. Al-Mashaikhi, A. Bawain, K. Knöller, J. Friesen and T. Müller (2014): Stable H and O isotope variations reveal sources of recharge in Dhofar, Sultanate of Oman. Isotopes in Environmental and Health Studies, doi:10.1080/10256016.2014.961451.

Mallast, U., Gloaguen, R., Friesen, J., Rödiger, T., Geyer, S., Merz, R., and Siebert, C. (2014): How to identify groundwater-caused thermal anomalies in lakes based on multi-temporal satellite data in semi-arid regions, Hydrol. Earth Syst. Sci., 18, 2773-2787, doi:10.5194/hess-18-2773-2014.

Van Stan, J. T., II, K. Martin, J. Friesen, M. T. Jarvis, J. D. Lundquist, and D. F. Levia (2013): Evaluation of an instrumental method to reduce error in canopy water storage estimates via mechanical displacement, Water Resour. Res., 49, doi:10.1029/2012WR012666.

Susan Steele-Dunne, J. Friesen, and N. van de Giesen (2012): Using Diurnal Variation in Backscatter to Detect Vegetation Water Stress. IEEE Trans. on Geosci. Remote Sens. Vol. 50, no. 7pp. 2618-2629, Jul. 2012.

J. Friesen, Susan Steele-Dunne, and N. van de Giesen (2012): Diurnal differences in global ERS scatterometer backscatter observations of the land surface. IEEE Trans. on Geosci. Remote Sens. Vol. 50, no. 7pp. 2595-2602, Jul. 2012.

W. Buytaert, J. Friesen, J. Liebe, and R. Ludwig (2012): Assessment and Management of Water Resources in Developing, Semi-arid and Arid Regions. Water Resources Management. Volume 26, Number 4, 841-844, DOI: 10.1007/s11269-012-9994-3

P. G. Oguntunde, A. E. Ajayi, J. Friesen, N. van de Giesen, and P. L. G. Vlek (2011): Seasonal Variation of Temporal Patterns of Water Flux in a Cashew Orchard under Sub-humid Tropical Conditions. Journal of Crop Improvement, 25(5). pp. 504-520, doi: 10.1080/15427528.2011.591482.

J. Van Stan, M. Jarvis, D. Levia, and J. Friesen (2011): Instrumental method for reducing error in compression-derived measurements of rainfall interception for individual trees. Hydrological Sciences Journal/Journal des Sciences Hydrologiques, 56(6). pp. 1061-1066, doi: 10.1080/02626667.2011.590811.

R. de Jeu, W. Wagner, T. Holmes,H. Dolman, N. van de Giesen, and J. Friesen (2008): Global Soil Moisture Patterns Observed by Space Borne Microwave Radiometers and Scatterometers. Surveys in Geophysics, 29(4), pp. 399-420, doi:10.1007/s10712-008-9044-0.

J. Friesen, C. van Beek, J. Selker, H.H.G. Savenije, and N. van de Giesen (2008): Tree Rainfall Interception Measured by Stem Compression. Water Resources Research, 44, W00D15, doi:10.1029/2008WR007074.

R. De Lange, R. Beck, N. Van de Giesen, J. Friesen, A. de Wit, and W. Wagner (2008):Scatterometer derived soil moisture calibrated for soil texture with a one-dimensional water flow model. IEEE Transactions on Geoscience and Remote Sensing, 46(12), 4041-4049.

J. Friesen, C. Rodgers, P.G. Oguntunde, J.M.H. Hendrickx, and N. van de Giesen (2008): Hydrotope-based protocol to determine average soil moisture over large areas for satellite calibration and validation - With results from an observation campaign in the Volta Basin, West Africa. IEEE Transactions on Geoscience and Remote Sensing, 46(7), 1995-2004.

J. Friesen, H. C. Winsemius, R. Beck, K. Scipal, W. Wagner, and N. van de Giesen (2007): Spatial and seasonal patterns of diurnal differences in ERS Scatterometer soil moisture data in the Volta Basin, West Africa. IAHS Red Book Series 316. IAHS Press, Oxfordshire, UK, pp. 47-55.

Compaoré, H., Hendrickx, J.M.H., Hong, S-h., Friesen, J., van de Giesen, N.C., Rodgers, C., Szarzynski, J., and Vlek, P.L.G. (2007): Evaporation mapping at two scales in the White Volta Basin, Upper East Ghana, using optical imagery. Physics and Chemistry of the Earth, doi: 10.1016/j.pce.2007.04.021

Amisigo, B.A., van de Giesen, N., Rogers, C., Andah, W.E.I., and Friesen, J. (2007): Monthly Streamflow Prediction in the Volta Basin of West Africa: A SISO NARMAX Polynomial Modelling. Physics and Chemistry of the Earth, doi: 10.1016/j.pce.2007.04.019

M. Hafeez, M. Andreini, J. Liebe, J. Friesen, A. Marx, and N. van de Giesen (2007): Hydrological parameterization through remote sensing in Volta Basin,West Africa. International Journal of River Basin Management, 5(1): 49-56

Hendrickx J.M. , Sung-ho Hong, J. Friesen, H. Compaore, N. C. van de Giesen, C. Rodgers, and P. L. Vlek (2006): Mapping energy balance fluxes and root zone soil moisture in the White Volta Basin using optical imagery. Proc. SPIE Vol. 6239, pp. 62390Q.1-62390Q.12.

Oguntunde P.G., J. Friesen, van de Giesen N., and Savenije H.H.H. (2006). Hydroclimatology of the Volta River Basin in West Africa: Trends and Variability from 1901-2002. Physics and Chemistry of the Earth, 31 (18), pp. 1180-1188.

Hendrickx J.M., J. Bruce J. Harrison, R. L. van Dam, B. Borchers, D. I. Norman, C. D. Dedzoe, B. O. Antwi, R. D. Asiamah, C. Rodgers, P. Vlek, and J. Friesen (2005): Magnetic soil properties in Ghana. Proc. SPIE Vol. 5794, pp. 165-176.

Friesen, J., Andreini M., Andah W., Amisigo B., and van de Giesen, N. (2005): Storage capacity and long-term water balance of the Volta Basin, West Africa. IAHS Red Book Series 296. IAHS Press, Oxfordshire, UK, pp. 138-145.

Friesen, J. (2002): Spatio-temporal Patterns of Rainfall in Northern Ghana. Diploma thesis, Faculty of Mathematics and Natural Sciences, Department of Geography, University of Bonn, Germany