2009
Herrmann A. & Schumann S. (2009) Runoff formation in a small mountainous basin dominated by a fractured rock aquifer: Results from the tracer-based integrated catchment approach (ICA). ERB Conf. Cracow 18-20 Sept. 2008, Tech. Doc. in Hydrol. 84, 103-110
Schumann, S. & Herrmann, A. (2009) Trends in runoff characteristsics and hydrological regime changes in the Lange Bramke basin, Harz Mountains, Germany. ERB Conf. Cracow 18-20 Sept. 2008, Tech. Doc. in Hydrol. 84, 111-116
Herrmann A. & Schumann, S. (2009) Untersuchung des Abflussbildungsprozesses als Kontrollmechanismus für den Gebietswassserumsatz des Oberharzer Einzugsgebiets Lange Bramke (Investigations of the runoff formation process as a mechanism for monitoring the basin turnover in the Lange Bramke catchment, Upper Harz Mountains). Hydrologie und Wasserbewirtschaftung 53 (2), 64-79
Schumann, S. Herrmann, A. (2009) 60 years Bramke research basins: History, major hydrological results and perspectives. Landschaftsökologie und Umweltforschung 50, Braunschweig, 243-248
2008
Herrmann, A. (2008) 30 Jahre integraler Forschungsansatz zum Abflussbildungsprozess und 60 Jahre Abflussbeobachtungen im Oberharz (30 years of intergated scientific investigation of the runoff formation processes and 60 years of runoff observations in the Upper Harz Mountains). Hydrologie und Wasserwirtschaftung, 52 (3), 132-136
Herrmann, A. & Schumann, S. (2008) Runoff formation in a small mountainous basin dominated by a fractured rock aquifer: Results from the tracer-based Integrated Catchment Approach (ICA). XIIth Biennial International Conference on Hydrological Extremes in Small Basins, Cracow, Poland 18-20 September 2008. Book of Abstracts, Jagiellonian University, Institute of Geography and Spatial Management, 141-145
Schumann, S., Herrmann, A. & Duncker, D. (2008) Evolution and impact of hydrological extreme years in the Lange Bramke basin, Harz Mountains, Germany. XIIth Biennial International Conference on Hydrological Extremes in Small Basins, Cracow, Poland 18-20 September 2008. Book of Abstracts, Jagiellonian University, Institute of Geography and Spatial Management, 319-322
Herrmann, A., Schumann, S., Schöniger, M., Duncker, D. & Stichler, W. (2008) Surface water-groundwater relationships and integrated numerical modelling of flood hydrograph formation on a small basin scale. Proc. IAHR International Groundwater Symposium on Flow and Transport in heterogeneous Subsurface Formations: Theory, Modelling & Applications, Istanbul June 2008. Book of full papers (pre-publication), 171-179
2007
Herrmann, A., Schumann, S., Thies, R., Duncker, D. & Stichler, W. (2007) A runoff generation process study for fractured rock aquifers of Paleozoic age based on the ICA concept and tracing experiments in Lange Bramke basin, Harz Mountains. ERB Conf. Luxembourg 19-22 Sept. 2006, Tech. Pap. in Hydrol. 81, Unesco, Paris, 101-108
2006
Herrmann, A., Schöniger, M. & Schumann, S. (2006) A new, physically-based, numerical runoff formation model system fort he study, of surface-close groundwater relationships and system reactions upon environmental changes. Proc. 5th FRIEND World Conf. 27 Nov.-1 Dec. 2006, Havanna. IAHS Publ. No. 308, 623-628
Herrmann, A., Schöniger, M., Schumann, S. & Thies, R. (2006) Integrative experimentelle Erfassung und Modellierung des Abflussbildungsprozesses im paläozoischen Mittelgebirge. Dresdner. Schr. z. Hydrol. 5, 172-180
Holko, L., Herrmann, A. & Kulasová, A. (2006) Changes of runoff regime in small catchments in central Europe – are there any? Proc. 5th FRIEND World Conf. 27 Nov.-1 Dec. 2006, Havanna. IAHS Publ. No. 308, 508-513
Schumann, S., Herrmann, A., Thies, R., Duncker, D. & Stichler, W. (2006) A runoff generation process study for fractured rock aquifers of Paleozoic age based on the ICA concept and tracing experiments in Lange Bramke basin, Harz Mountains. ERB Conf. Luxembourg 19-22 Sept. 2000, In: Pfister, L., van den Bos, R. & Hoffmann, L. (eds) Uncertainties in the monitoring-conceptualisation-modelling’ sequence of catchment research. Proc. 11th ERB Conf. Luxembourg 19-22 Sept. 2000, Programme-Abstracts-List of Participants, CRP-Gabriel Lippmann, Belvaux, Luxembourg, 170-173
2005
Wittenberg, H. (2005) Abflußbildung in Mittelgebirgseinzugsgebieten mit Festgesteinsaquiferen. Fallbeispiel: Basisabflußseparation Lange Bramke. In: Bronsert, A. (Hrsg.) Abflußbildung - Prozessbeschreibung und Fallbeispiele. Forum f. Hydrol. u. Wasserbewirtschaft. 13.05, 87-88
2004
Herrmann, A. (2004) Runoff formation in mountainous environments and possible effects of global warming. In: Herrmann, A. & Schröder, U. (eds) Studies in Mountain Hydrology. IHP/HWRP Berichte 2, Koblenz, 1-12
2003
Herrmann, A. (2003) Runoff formation in mountain environments and global change. Extended Abstracts, Workshop on Mountain Hydrology, Bucharest 26 Sept. 2003, 45-48
2002
Herrmann, A. (2002) Integrated approaches of the ecosystematic runoff formation process on a small basin scale. Münchener Geogr. Abh. Reihe A52, 139-156
Holko, L., Herrmann, A., Uhlenbrook, S., Pfister, L. & Querner, E.(2002) Groundwater runoff separation – test of applicability of a simple separation method under varying natural conditions. In: van Lanen, H.A.J. & Demuth, S. (eds) FRIEND 2002-Regional Hydrology: Bridging the Gap between Research and Practice. Proc. 4th Internat. FRIEND Conference Cape Town 18-22 March 2002, IAHS Publ. No. 274, 265-272
Schumann, S. & Herrmann A. (2002) Flood formation and modelling on a small basin scale from Integrative Catchment Approach (ICA). Extended Synopses Internat. Conf. on Interdisciplinary Approaches in Small Catchment Hydrology: Monitoring and Research, Demänovskà dolina, Slovakia 25-28 Sept. 2002, 75-78
2001
Herrmann, A., Schöniger, M. & Schumann, S. (2001) Integrated approach of investigating and modelling runoff formation considering information from environmental and artificial tracers. Freiburger Schr. z. Hydrol. 13, 90-97
Herrmann, A., Schöniger, M., Schumann, S., Trimborn, P. & Stichler, W., Groth, P. (2001) Multilateral approach of fissured rock aquifer systems in the Harz Mts., Germany to assess risk potentials of drinking water reservoirs. Proc. XXXI IAH Congress on New Approaches to Characterising Groundwater Flow Munich 10-14 Sept. 2001, Vol. 2, Balkema, 951-956
Holko, L., Herrmann, A., Schöniger. M. & Schumann, S. (2001) Groundwater runoff in a small mountainous basin (Lange Bramke, Germany): Testing a separation method based on groundwater table and discharge. Proc. ERB Conf. Ghent 27-29 Sept. 2000, Tech. Pap. in Hydrol. 66, Unesco, Paris, 37-44
2000
Buchtele, J., Buchtelova, M. & Herrmann, A. (2000) Increase of large floods in central Europe due to change in vegetation cover: results of rainfall-runoff simulations. Proc. Potsdam European Conf. on Advances in Flood Research 1-3 Nov. 2000, PIK Report 65, vol. 1, 306-314, Potsdam
1999
Buchtele, J., Buchtelová, M., Fotová, M., Herrmann, A. & Tesar, M. (1999) Runoff changes causeg by deforstation and aforestation: results of monitoring and simulations. Proc. Internat. Conf. on Problems in Fluid Mechanics and Hydrology, Prague 23-26 June 1999, Vol. 2, 355-362
Herrmann, A. (1999) Isotope Hydrological Investigations of Direct Runoff Proportions and Mean Transit Times on a Small Catchment Scale. Proc. St. Petersburg and Valdai Workshop on Experimental Hydrology with Reference to Hydrological Processes in Small Research Basins, 2-6 June 1997, 116-122
Herrmann, A. (1999) Modellierung und Regionalisierung der Interzeption. In: Kleeberg, H.-B., Mauser, W., Peschke, G. & Streit, U. (eds.) Hydrologie und Regionalisierung. Ergebnisse eines DFG-Schwerpunktprogramms (1992 bis 1998). Wiley-VCH, 171-183
Herrmann, A. (1999) Runoff Formation Process in Loose Sediment and Solid Rock Catchment Systems. Proc. St. Petersburg and Valdai Workshop on Experimental Hydrology with Reference to Hydrological Processes in Small Research Basins, 2-6 June 1997, 51-58
Maloszewski, P., Herrmann A. & Zuber, A. (1999) Interpretation of tracer tests performed in fractured rock of the Lange Bramke basin, Germany. Hydrogeol. J. 7, 209-218
Sommerhäuser, M., Herrmann, A. & Schöniger, M. (1999) Regionalisierung von Abflußkomponenten und Speichervolumen im Wesereinzugsgebiet. In: Kleeberg, H.-B., Mauser, W., Peschke, G. & Streit, U. (eds.) Hydrologie und Regionalisierung. Ergebnisse eines DFG-Schwerpunktprogramms (1992 bis 1998). Wiley-VCH, 205-218
1998
Buchtele, J., Herrmann, A., Maraga, F. & Bajracharya, O.R. (1998) Simulations of effects of land-use changes on runoff and evapotranspiration. Proc. HeadWater'98 Conf. Meran/Merano 20-23 April 1998. IAHS Publ. No. 248, 99-106
Schöniger, M. (1998) Regionale Studien zum Abflußbildungsvorgang im Untergrund unter Verwendung der Finiten-Elemente Methode. Landschaftsökol. u. Umweltforsch. 32, Braunschweig, 181 S.
1997
Herrmann, A. (1997) Global review of isotope hydrological investigations. In: Oberlin, G. (ed.) FRIEND-3rd Report 1994-1997, Cemagref Editions, Antony, France, 307-316
Herrmann, A., Schöniger, M. & Zavileisky, S. (1997) Abflußbildungsmechanismen am Beispiel kleiner mitteleuropäischer Fest- und Lockergesteinseinzugsgebiete. Tagungsber. Modellierung in der Hydrologie, Dresden 22.-24. Sept. 1997, 201-214
Lepistö, A., Andersson, L., Herrmann, A. & Holko, L. (1997) Hydrological processes in forested catchments. In: Oberlin, G. (ed.) FRIEND-3rd Report 1994-1997, Cemagref Editions Antony, France, 317-329
Schöniger, M., Sommerhäuser, M. & Herrmann, A. (1997) Modelling flow and transport processes in fractured rock groundwater systems on a small basin scale. Proc. IAHS Symp. on Hard Rock Hydrosystems Rabat April/Mai 1997, IAHS Publ. no. 241, 143-149
1996
Buchtele, J., Eliás, V., Tesar, M. & Herrmann, A. (1996) Runoff-components simulated by rainfall-runoff models. Hydrol. Sci. J. 41, 49-60
Herrmann, A. (1996) Data acquisition by the use of tracers. - In: Rijtema, P.E. & Eliás (eds.) Regional Approaches to Water Pollution in the Environment. NATO ASI Series, Kluwer Acad. Publ., 91-118
Herrmann, A., Maloszewski, P. & Stichler, W. (1996) Changes of 18O contents of precipitation water during seepage in the unsaturated zone. Proc. IAEA Symp. on Isotopes in Water Resources Management, Vienna 20-24 March 1995, IAEA, Vienna, 391-393
Kim, M.K., Herrmann, A. & Buchtele, J. (1996) Applications of the climatic change scenarios GFD30 and GISS75 to research of water resources. Proc. Regional Workshop on Climate Variability and Climate Change Vulnerability and Adaption, Prague 11-15 September 1995, 214-219
1994
Herrmann, A. (1994) Ecohydrological research on a small basin scale: scientific approach of the runoff formation key process. - Beitr. z. Hydrol. d. Schweiz 35, 83-95
Schwarze, R., Herrmann, A. & Mendel, O. (1994) Regionalization of runoff components for Central European basins. - Proc. 2nd FRIEND Conf. Braunschweig Oct. 1993, IAHS Publ. no. 221, 493-502
Szymanski, A. & Schöniger, M. (1994) Field and numerical study of water flow in fissured aquifers.. In: Dracos, T. & Staufer, F. (eds) Transport and Reactive Processes in Aquifers. IAHR/AIRH Proc. 5, 383-387
1993
Herrmann, A. (1993) The application of hydrological tracer techniques for hydrological process studies. - In: M. Robinson (ed.): Flow Regimes from International Experimental and Network Data (FRIEND), Vol. III Inventory of streamflow generation studies, Institute of Hydrology, Wallingford, 17-34
1992
Herrmann, A. (1992) Modellierung und Regionalisierung der Interzeption. - In: DFG (Hrsg.): Regionalisierung in der Hydrologie. Mitt. XI d. Senatskomm. f. Wasserforsch., VCH Weinheim-Basel-New York, 171-183
Herrmann, A. (1992) Regionalisierung von Gebietsparametern in Wasserhaushaltsmodellen. - In: DFG (Hrsg.) Regionalisierung in der Hydrologie. Mitt. XI d. Senatskomm. f. Wasserforsch., VCH Weinheim-Basel-New York, 291-303
Herrmann, A. & Schöniger, M. (1992) Anwendung von Tracertechniken zur Erfassung des Wasserumsatzes in kleinen Einzugsgebieten. Dt. Gewässerkdl. Mitt. 36, 94-107 und 155-161
Herrmann, A., Schöniger, M., Heitmann, R., Henkel, M., Behrens, H., Klotz, D. & Maloszewski, P. (1992) Hydraulic parameter identification in fissured paleozoic rock by using artificial tracers. In: Hötzl, H. & Werner, A. (eds.): Tracer Hydrology. Proc. 6th Int. Symp. on Water Tracing, A.A. Balkema, Rotterdam, 335-337
1991
Schöniger, M. (1991) Beitrag zur Abflussbildung und Grundwasserneubildung im paläozoischen Festgestein (Lange Bramke, Oberharz). Landschaftsökol. u. Umweltforsch. 18, Braunschweig, 181 S.
Schwarze, R., Herrmann, A., Münch, A., Grünewald, U. & Schöniger, M. (1991) Rechnergestützte Analyse von Abflußkomponenten und Verweilzeiten in kleinen Einzugsgebieten. - Acta Hydrophys. 35 (2), 143-184
1990
Herrmann, A., Finke, B., Schöniger, M. Maloszewski, P. & Stichler, W. (1990) The environmental tracer approach as a tool for hydrological evaluation and regionalization of catchment systems. IAHS Publ. no. 191, 45-58
Maloszewski, P. Rauert, W., Stichler, W. & Herrmann, A. (1990) Die Bestimmung hydrogeologischer Parameter in Einzugsgebieten mit Kluftaquiferen unter Verwendung von Umweltisotopen und mathematischen Fließmodellen. - Freiberger Forschungshefte C442 Geowiss., 11-21
Schöniger, M. & Herrmann, A. (1990) Exfiltration and recharge mechanism in a fissured paleozoic rock aquifer of a small catchment (Lange Bramke, Harz Mountains) from tracer hydrological and hydraulic investigations. Proc. XIInd IAH Congr. Lausanne 1990, Mém. Vol. XXII Part 1, 582-591
1989
Finke, B., Herrmann, A. & Schöniger, M. (1989) Simulation von Wasserflüssen in der Langen Bramke (Oberharz) mit dem forsthydrologischen Wasserhaushaltsmodell BROOK. Proc. DVWK-Tag. Immissionsbelastung des Waldes und seiner Böden - Gefahr für die Gewässer?, Fulda Nov. 1988, DVWK-Mitt. 17, 343-349
Herrmann, A. (1989) The tracer approach in hydrological system analysis of small catchments. Proc. 4th South African Hydrol. Symp., Pretoria Nov. 1989, 314-330
Herrmann, A. & Schöniger, M. (1989) Tracerhydrologische Systemanalyse im Einzugsgebiet der Langen Bramke (Oberharz). Proc. Jahrestag. Dt. Ges. f. Limnol., Goslar Okt. 1988, Bd. II, 24-30
Herrmann, A. & Schöniger, M. (1989) Neue Erkenntnisse zum Wasser- und Stoffumsatz kleiner hydrologischer Systeme im paläozoischen Mittelgebirge (Lange Bramke/Oberharz). Proc. DVWK-Tag. Immissionsbelastung des Waldes und seiner Böden - Gefahr für die Gewässer?, Fulda Nov. 1988, DVWK-Mitt. 17, 249-257
Herrmann, A., Koll, J., Leibundgut, Ch., Maloszewski, P., Rau, R., Rauert, W., Schöniger, M. & Stichler, W. (1989) Wasserumsatz in einem kleinen Einzugsgebiet im paläozoischen Mittelgebirge (Lange Bramke/Oberharz). Eine hydrologische Systemanalyse mittels Umweltisotopen als Tracer. Landschaftsökol. u. Umweltforsch. 17, Braunschweig, 305 S.
Koll, J. & Müller I. (1989) Elektromagnetische Very Low Frequency-Resistivity (VLF-R) Prospektion zur Erkundung von Grundwasserleitern im paläozoischen Mittelgebirge am Beispiel des Oberharzes. Steir. Beitr. z. Hydrogeol. 40, Graz, 103-122
1988
Herrmann, A. & Rau, R. (1988) Hydrologische Untersuchungen im Oberharz. In: Oberharzer Untersuchungsgebiete. Bericht über die Untersuchungen in den Jahren 1981-1985. Mitt. 2, Bundesanst. f. Gewässerkd., Koblenz
1987
Herrmann, A., Koll, J., Leibundgut, Ch., Maloszewski, P. & Stichler, W. (1987) Hydrogeological parameters from tracer experiments in fractured paleozoic rock (Harz Mts., W. Germany). Ext. Abstracts IAHS Workshop on Spatial Variability and Representativness of Hydrogeological Parameters, Vancouver Aug. 1987, 30-31
Herrmann, A., Koll, J. Rau, R.G., Schöniger, M., Maloszewski, P., Rauert, W., Stichler, W. & Leibundgut, Ch. (1987) Storage behaviour of a small basin in fractured paleozoic rock from application of environmental isotope and dye tracer techniques. Proc. IAEA Symp. on the Use of Isotope Techniques in Water Resources Development, Vienna March/April 1987. In: Isotope Hydrology 1987, IAEA, Vienna, 728-730
Herrmann, A., Maloszewski, P. & Stichler, W. (1987) Changes of 18O contents of precipitation water during seepage in the unsaturated zone. Proc. Internat. Symp. on Groundwater Monitoring and Management, Dresden March 1987, Complex II, No. 6, Inst. f. Wasserwirtsch. Berlin, 22 pp.
Herrmann, A., Maloszeswki, P. & Stichler, W. (1987) Fluxes and mean transit times of water in the Lange Bramke basin (Harz Mts.) from environmental isotope studies. Ext. Abstracts Workshop on Geochemistry and Monitoring in Representative Basins (GEOMON), Prague April/May 1987, 152-155
Herrmann, A., Schöniger, M. & Stichler, W. (1987) A runoff formation concept to model water pathways in forested basins. Proc. IAHS Symp. on Forest Hydrology and Watershed Management, Vancouver Aug. 1987, IAHS Publ. no. 167, 519-529
Koll, J. & Herrmann, A. (1987) A tentative basin approach of modeling hydrodynamic processes in fractured paleozoic rock (Harz Mts., W. Germany). Ext. Abstracts IAHS Workshop on Spatial Variability and Representativness of Hydrogeological Parameters, Vancouver Aug. 1987, 32-33
1986
Herrmann, A., Koll, J., Leibundgut, Ch., Maloszewski, P., Rau, R., Rauert, W. & Stichler, W. (1986) Tracerhydrologische Grundlagenforschung in den Oberharzer Untersuchungsgebieten - Stand und Fortgang der Untersuchungen. Dt. Gewässerkdl. Mitt. 30, 85-93
Herrmann, A., Koll, J., Maloszewski, P., Rauert, W. & Stichler, W. (1986) Water balance studies in a small catchment area using environmental isotope tracer techniques. Proc. IAHS Symp. on Conjunctive Water Use, Budapest July 1986, IAHS Publ. no. 156, 111-124
Stichler, W., Herrmann, A. & Rau, R.G. (1986) Modelling snowmelt runoff using environmental isotopes and conventional methods. Proc. IAHS Symp. on Modelling Snowmelt Induced Processes, Budapest July 1986, IAHS Publ. no. 155, 231-244
Zuber, A., Maloszewski, P., Stichler, W. & Herrmann, A. (1986) Tracer relations in variable flow. Proc. 5th Symp. on Underground Water Tracing (SUWT), Athens Sept. 1986, Inst. Geol. Min. Explor. Athens, 355-360
1985
Stichler, W. & Herrmann, A. (1985) Application of environmental isotope techniques in water balance studies of small basins. Proc. IAHS Workshop on New Approaches in Water Balance Computations, Hamburg Aug. 1983, IAHS Publ. no. 148, 93-112
Herrmann, A., Maloszewski, P., Koll, J. & Stichler, W. (1985) Hydrologische Modellvorstellung für ein kleines Einzugsgebiet (Lange Bramke, Oberharz) unter Verwendung von Umweltisotopen. Tagungsber. FH-DGG/DBG Tagung Boden und Grundwasser, Braunschweig Mai 1985, Z. dt. geol. Ges. 136, 2 (Hydrogeol. Beitr.), 599-611
Herrmann, A., Maloszewski, P., Rau, R.G. & Stichler, W. (1985) Prozeßanalyse des Wasserumsatzes in den Oberharzer Untersuchungsgebieten mittels Tracermessungen. Tagungsber. Symp. Wald u. Wasser, Grafenau/Bayer. Wald Sept. 1984, Tagungsber. Nationalparkverw. Bayer. Wald 5, 517-530
Herrmann, A. & Rau, R. (1985) Instrumentierungs- und Organisationskonzept für ein tracerhydrologisches Forschungsvorhaben in den Oberharzer Untersuchungsgebieten. Landschaftsökol. Messen u. Auswerten 1.2/3, Braunschweig, 209-241
1984
Herrmann, A. & Rau, R. (1984) Snow cover stores and winter runoff behaviour of a small basin in the German Mittelgebirge. Tagungsber. Workshop Schneehydrol. Forschung in Mitteleuropa, Hann. Münden März 1984, DVWK-Mitt. 7, 449-472
Herrmann, A. & Stichler, W. (1984) Runoff components and mean residence times in water balance studies using environmental isotopes. Proc. IAEA Internat. Symp. on Isotope Hydrol. and Water Resources Developm., Vienna Sept. 1983. In: Isotope Hydrology 1983, IAEA, Vienna, 830-831
Herrmann, A., Maloszewski, P., Rau, R.G. & Stichler, W. (1984) Estimation of turnover rates by using tracer techniques. A study concept for the research basins in the Upper Harz Mts. with special regard to snow cover seasons. Tagungsber. Workshop Schneehydrol. Forschung in Mitteleuropa, Hann. Münden März 1984, DVWK-Mitt. 7, 577-581
Herrmann, A., Maloszeswki, P., Rau, R., Rosenow, W. & Stichler, W. (1984) Anwendung von Tracertechniken zur Erfassung des Wasserumsatzes in kleinen Einzugsgebieten. Ein Forschungskonzept für die Oberharzer Untersuchungsgebiete. Dt. Gewässerkdl. Mitt. 28, 65-74
1982
Stichler, W. & Herrmann, A. (1982) Environmental isotopes as tracers in water balance studies of mountainous watersheds. Proc. Symp. on Hydrol. Research Basins and Water Resources Planning, Berne Sept. 1982, vol. 2, Landeshydrol. Bern, 357-368
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