Forschen für die Umwelt

English

Dr. Christian Siebert

Hydrogeologe

Helmholtz-Zentrum für Umweltforschung, UFZ
Dept. Catchment Hydrology

Tel Büro: +49-345-558-5211
Tel Labor: +49-345-558-5281; -5274
Fax: +49-345-558-5559

Interessensgebiete

Anwendung hydrochemischer Parameter: Seltene Erden inkl. Y, stabile Isotope (δ¹⁸O, δ²H, δ³⁴S, δ¹³C), radioaktive Isotope (Tritium, Radiocarbon), Haupt- und Spurenelemente (Cs, Rb, U, Br) zur zeitlich und räumlich dynamischen Entwicklung von:

Grundwasser-Resourcen im semiariden und ariden Klimaraum
Interaktion von Oberflächen- und Grundwasserkörpern
Interaquifer-Fluss
Vulnerabilität von Wasserkörpern durch geogene und anthropogene Kontaminanten
Wasser-Gesteins-Wechselwirkungen
Geo-Bio-Interaktionen im Grundwasser

Akademische Ausbildung

1995 – 2002 Studium der Geologie und Geowissenschaften an der Friedrich–Schiller–Universität Jena (Fokus: Hydrogeologie)
2001 – 2002 Diplomarbeit „Untersuchung des hydraulisch–hydrochemischen Verhaltens eines Kalkstein-Karstgrundwasserleiters am Beispiel der Mühltalquellen bei Jena“
2002 – 2006 Promotion an der Freien Universität Berlin und dem Helmholtz-Zentrum für Umweltforschung - UFZ: „Saisonale chemische Variationen des See Genezareth, seiner Zuflüsse und deren Ursachen.” (summa cum laude)

seit Jan 2006 Wissenschaftler am Helmholtz-Zentrum für Umweltforschung

wissenschaftliche Tätigkeiten

2000 – 2001 EU COST-Action 620 Teilprojekt „Kartierung der Grundwasserver-
schmutzungsempfindlichkeit eines Muschelkalk-Grundwasserleiter am Beispiel des Einzugsgebietes der Mühltalquellen bei Jena, Thüringen.“
2002 – 2005 „German-Israeli-Jordanian-Palestinian Joint Research Project: Water Resources Evaluation for a Sustainable Development in the Jordan Rift Basin”. (BMBF Förder-Kz.: 02WT0250).
2006 – 2009 IWRM-Projekt im Unteren Jordatal:
“SMART- Sustainable Management of Available Water Resources with Innovative Technologies”, BMBF Förder-Kz. 02WM0801), multilateral (D, ISR, PLA, JO)
Leitung des Arbeitspaketes: DAISY - data and information system
2009 – 2012 IWRM-Project in the Lower Jordan Rift Valley:
“SMART 2- Sustainable Management of Available Water Resources with Innovative Technologies”, BMBF, multilateral (D, ISR, PLA, JO)
Leitung des Arbeitspaketes: DAISY - data and information system of SMART
2007-2012 IWRM-Projekt Helmholtz Dead Sea:
“Sustainable Management of Water Resources (Quantity and Quality) in the Dead Sea Area (SUMAR)”, BMBF Förder-Kz.: 02WM0848, multilateral (D, ISR, PLA, JO)
leader WP: Hydrochemistry and co-project management
Since 2010 IWAS Regional Projekt Mittlerer Osten: Quantification of Resources within the Upper-Mega-Aquifer in Kingdom of Saudi-Arabia and Sultanate of Oman. Projekt Manager

2011 erfolgreiche Beantragung des “PAMIR-water: Integrated study on water resources in Western Tibet and their potential climate-induced changes.”, BMBF.

Publikationen

Khayat S., Möller P., Geyer S., Marei A., Siebert C., Abu Hilo F. (2009): Hydrochemical variation in the springs water between Jerusalem–Ramallah Mountains and Jericho Fault, Palestine. Environ. Geol., 57, p 1739-1751.
Möller, P., Geyer S., Siebert C., Guttman J., Rosenthal E. (2008): Localisation of groundwater sources by combining d18O, dD and rare earths studies. Geochem. Cosmochem. Acta, 72 (12) Suppl. 1, A643.
Siebert C., Möller P., Geyer S., Berger D. (2005): The dynamic hydrochemical environment of Lake Tiberias. Geochem. Cosmochem. Acta, 69 (10) Suppl. 1, A424.
Siebert C., Geyer S, Möller P., Berger D., Guttman Y. (2009): Lake Tiberias and its dynamic hydrochemical environment. S. 219-246 – In: Möller & Rosenthal (ed.): The Water of the Jordan Valley, Springer-Verlag Berlin Heidelberg. DOI: 10.1007/978-3-540-77757-1_11
Rödiger T., Siebert C., Geyer S., Krause P. (2010): Development of a hydrological trans-boundary model for the Lower Jordan Valley, Israel, Palestine, Jordan. Transboundary Aquifers: Challenges and New directions. ISARM 2010 International Conference, 6-8 December, UNESCO, Paris. P 703-705.
Siebert C., Geyer S., Knöller K., Rödiger T., Weise S., Dulski P., Möller P., Guttman Y., Subah A. (2010): Ajloun and Golan – a transboundary groundwater resource? Transboundary Aquifers: Challenges and New directions. ISARM 2010 International Conference, 6-8 December, UNESCO, Paris. 129-134.
Mallast, U., Gloaguen, R., Geyer, S., Rödiger, T., Siebert, C. (2011): Derivation of groundwater flow-paths based on semi-automatic extraction of lineaments from remote sensing data, Hydrol. Earth Syst. Sci., 15, 2665-2678, doi:10.5194/hess-15-2665-2011.
Möller P., Siebert C., Geyer S., Inbar N., Rosenthal E., Flexer, A. (2011): Relationship of brines in the Kinnarot basin, Jordan-Dead Sea Rift Valley. Geofluids. doi: 10.1111/j.1468-8123.2011.00353.x
Siebert C., Rosenthal P, Möller P., Rödiger T., Meiler M. (2012): The hydrochemical identification of groundwater flowing to the Bet She’an-Harod multiaquifer system (Lower Jordan Valley) by rare earth elements, yttrium, stable isotopes (H, O) and Tritium. Appl. Geochem. 27: 703-714.
Ionescu D., Siebert C., et al. (2012): Rich microbial communities in and around underwater springs in the Dead Sea. PLoS One 7 (6): e38319. doi:10.1371/journal.pone.0038319.
Roediger T, Meier A, Siebert C, Königer F, Kallioras A, Forestier P, Fuest T, Schüth C, Rausch R, Al-Saud M, Dietrich P (2012): Identification of Potential Groundwater Recharge Using 3D-Spatial Soil Moisture Observations in the Ad-Dahna Desert, Kingdom of Saudi Arabia. 129-133 in: Rausch R, Schüth C, Himmelsbach T (eds): Hydrogeology of Arid Environments. Borntraeger Stuttgart.
Siebert C, Rödiger T, Rausch R, Döhler J, Michelsen N, Al-Saud M (2012): The Upper Mega Aquifer System on the Arabian Peninsula – Delineation of Sub-Aquifer Interaction Using Hydrochemical and REE+Y Pattern. 154-158 in: Rausch R, Schüth C, Himmelsbach T (eds): Hydrogeology of Arid Environments. Borntraeger Stuttgart.
Gräbe A, Rödiger T, Rink K, Fischer T, Sun F, Wang W, Siebert C, Kolditz, O (2012): Numerical analysis of the groundwater regime in the western Dead Sea escarpment, Israel + West Bank. Env. Earth Sci. DOI 10.1007/s12665-012-1795-8.
Mallast U, Siebert C, Schwonke F, Wagner B, Rödiger T, Geyer T, Gloaguen R, Sauter M, Kühn F, Merz R (2012): Application of Thermal Data for Groundwater Studies in Arid Regions at the Example of the Dead Sea. 84-88 in: Rausch R, Schüth C, Himmelsbach T (eds): Hydrogeology of Arid Environments. Borntraeger Stuttgart.
Odeh T, Geyer S, Rödiger T, Siebert C, Schirmer M (2013): Groundwater chemistry of strike slip faulted aquifers: the case study of Wadi Zerka Ma’in aquifers, north east of the Dead Sea. Env. Earth Sci. DOI 10.1007/s12665-012-2135-8.
Schulz S, Siebert C, Rödiger T, Al-Raggad M, Merz R (2013): Application of the water balance model J2000 to estimate groundwater recharge in a semi-arid environment - a case study in the Zarqa River catchment, NW-Jordan. Env. Earth Sci. (accepted).

abgeschlossene betreute Arbeiten:

Greenman, Anat (2010): Report on Isotopic composition of Groundwater discharge from the Western side of the Dead Sea. (MSc-student from Ben Gurion University of the Negev, 8 weeks stay within the YSEP program).

Wernicke, Jakob (2010): Sinkholes as an indicator for groundwater flow: A remote sensing supported sedimentological study from the West Coast of the Dead Sea. Diploma Thesis at University Leipzig. 113 p.

Meier, Andreas (2011): Estimation of Water Infiltration into Dune Sands of Saudi Arabia by Using Large Scale TDR Sensors. Diploma Thesis at Technical University Dresden. 61 p.

Schulz, Stephan (2011): Groundwater recharge estimation using the hydrological model J2000g in the Zarqa River Catchment, NW-Jordan. Diploma-Thesis. TU Bergakademie Freiberg. 52 p.

Odeh, Taleb (2011): Structural control on groundwater chemistry, recharge and flow – Integrated approach using remote sensing, GIS and modelling: The case study of Wadi Zerka Ma’in catchment area (Jordan). PhD-Thesis. TU BErgakademie Freiberg. 147 p.

laufende betreute Arbeiten:

Gräbe, Agnes (PhD-student): Water balance of the Western Dead Sea Catchment by integrated modelling hydrological and groundwater flow conditions in a structural complex environment. (2008- )

Kraushaar, Sabine (PhD-student): Analysis and quantification of erosion processes and the resulting qualitative consequences in the transition zone of the Mediterranean to the semi-arid zone in northern Jordan. (2010- )

Mallast Ulf (PhD-student): A new approach to combine remote sensing and hydrochemistry to calculate ground- and surface water discharge to the Dead Sea. (2009- )

Schulz, Stephan (PhD-student): 3D groundwater modelling of the Upper Mega Aquifer (Arabian Peninsula) by using Open Geosys and advanced tracer technologies. (2011- )

Wilske, Cornelia (PhD-student): Application of a combined REE, stable isotopes and organic components approach to evaluate the groundwater flow system between Jerusalem/Ramallah and the Dead Sea. (2011- )