Conference Participation

• Uppsala (Sweden), 2^nd International Symposium on Environmental Geochemistry, 1991
• Ljubljana/Pörtschach (Slovenia/Austria), 4^th International Mine Water Association Congress, 1991
• Canberra (Australia), International Volcanological Congress, 1993
• München (Germany), Hanns-Seidel-Stiftung, 1993
• Kraków (Poland), 3^rd International Symposium on Environmental Geochemistry, 1994
• Nottingham (United Kingdom), 5^th International Mine Water Association Congress, 1994
• Perth (Australia), 12^th Australian Geological Convention, 1994
• Perth (Australia), CSIRO, 1994: Flooding of an abandoned Uranium Mine in the Erzgebirge/Saxonia/ Germany
• München (Germany), Hanns-Seidel-Stiftung, 1994: Trinkwasservorkommen und deren Gewinnung
• Melbourne (Australia), Monash-University, 1995: Changes in Mine Water Geohydrology during the Flooding of an abandoned Uranium Mine in the Erzgebirge/Saxonia/Germany
• Freiberg (Germany), Uranium-Mining and Hydrogeology, 1995
• Miskolc (Hungary), Miskolci Egyetem, 1995: Flooding of a Uranium Mine – Environmental Problems and Geochemical Conditions
• Bautzen (Budyšin, Gemany), IFG, 1997: Neue Wege für Niederschlagswasser – Hydrogeologische Untersuchungen zur Regenwasserversickerung in Ostsachsen
• Portorož (Slovenia), 7^th International Symposium on Water Tracing, 1997
• Bled (Slovenia), 6^th International Mine Water Association Congress, 1997
• Johannesburg (South Africa), International Mine Water Association Symposium, 1998
• Freiberg (Germany), Uranium-Mining and Hydrogeology II, 1998
• Sevilla (Spain), International Mine Water Association Congress, 1999
• Ustroń (Poland), 7^th International Mine Water Association Congress, 2000
• München (Germany), XXXI. IAH Congress, 2001
• Belo Horizonte (Brasil), International Mine Water Association Symposium; Brazilian Mining Conference 2001
• Nottingham (United Kingdom), Mine Water Hydrogeology and Geochemistry, 2001
• Kattowitz (Poland), 2^nd Image-Train cluster meeting, 2002
• Lake Orta (Italy), Mine and quarry waste – The burden from the past, 2002
• Lausanne (Switzerland), M-WINE initial meeting, 2002
• Freiberg (Germany), Uranium-Mining and Hydrogeology III; International Mine Water Association Symposium, 2002
• Johannesburg (South Africa), 8^th International Mine Water Association Congress, 2003
• Freiberg (Germany), 3. Altbergbaukolloquium, 2003
• Cairns (Australia), James Cook University, 2004: Tracer Tests in Flooded Underground Mines
• Jena (Germany), Friedrich-Schiller-Universität, 2004: Troia – Hydrogeologische Untersuchungen im Historischen Nationalpark
• Freiberg (Germany), 55. Berg- und Hüttenmännischer Tag, 2004
• Newcastle (United Kingdom), International Mine Water Association Congress, 2004
• Oviedo (Spain), 9^th International Mine Water Association Congress, 2005
• Freiberg (Germany), 56. Berg- und Hüttenmännischer Tag, 2005
• St Louis (USA), International Mine Water Association Symposium, 2006
• Berlin (Germany), IAH Meeting, 2006
• Cagliari/Sardinia (Italy), International Mine Water Association Symposium, 2007
•  Freiberg (Germany), 58. Berg- und Hüttenmännischer Tag, 2007
• Carlsbad (Czech Republic), 10^th International Mine Water Association Congress, 2008
•  Freiberg (Germany), 59. Berg- und Hüttenmännischer Tag, 2008
• Pretoria (South Africa), International Mine Water Association Symposium, 2009
•  Freiberg (Germany), 61. Berg- und Hüttenmännischer Tag, 2010
• Sydney, Nova Scotia (Canada), International Mine Water Association Symposium, 2010
•  Beijing (China), 17^th Global Energy & Resources Dialogue: 2011 World Underground Mining Conference, 2011
• Xuzhou (China), China University of Mining and Technology: Mine Water Management and Tracer Tests, 2011
•  Gera (Germany), WISSYM – Remediation of Uranium Mining and Processing Sites – Sustainability and Long Term Aspects, 2011
• Aachen (Germany), International Mine Water Association Congress, 2011
•  Atlanta (USA), Kemira Oy – Mine Water Short Course, 2011
•  Johannesburg (South Africa), Water Management in Mining Africa, 2011
•  Bunbury (Australia), International Mine Water Association Symposium, 2012
•  Pretoria (South Africa), Water Management in Mining Africa, 2012
• Mikkeli (Finland), Mine Water Management Lecture, 2013
• Golden (USA), International Mine Water Association Conference, 2013
•  Helsinki (Finland), Green Mining Seminar, 2014
• Santiago (Chile), International Mine Water Association & ICARD 2015
•  Helsinki (Finland), WaterSmart Status Seminar, 2015
•  Bad Schlema (Germany), WISSYM 2015
•  Pretoria (South Africa), CGS Congress 2016
•  Helsinki (Finland), Green Mining Congress 2016
• Leipzig (Germany), International Mine Water Association 2016
•  Lappeenranta (Finland), Nordic Filtration Symposium 2016
• Lappeenranta (Finland), International Mine Water Association 2017
•  Wuhan (China), 2^nd National Chinese International Mine Water Association Meeting 2017
• Saariselkä (Finland), Kaivosseminaari 2018
•  Vienna (Austria), IAEA Technical Committee Mine Water Management, 2018
• Pretoria (South Africa), 11. ICARD / IMWA Conference, 2018
• Umhausen (Austria), Geoforum Umhausen, 2018
• Wielicka (Poland), 18. Altbergbau-Kolloquium, 2018
•  Freiberg/Sachsen (Germany), VODAMIN II Workshop Mine Water Geothermal, 2019
•  STOP THE WAR AGAINST THE UKRAINE! Perm (Russia), International Mine Water Association Conference – Mine Water: Technological and Ecological Challenges, 2019
• Bochum (Germany), Bergbau, Energie und Rohstoffe, 2019
• Chemnitz (Germany), WISSYM19, 2019
• Umhausen (Austria), Geoforum Umhausen, 2019
•  Virtual Conference (Wales, United Kingdom), 14th International Mine Water Association Congress – Mine Water Management for future Generations, 2021
•  Breslau / Wrocław (Poland), Politechnika Wrocławska, 2022
•  Kassel (Germany), kassel22 – Let’s talk about Grubenwasser, 2022
• Johannesburg (South Africa), WISA Biannual Conference, 2022
• Christchurch (New Zealand), 14th IMWA Congress, 2022
• Newport, Wales, IMWA 2023
•  Kassel (Germany), kassel23 – Let’s talk about Grubenwasser, 2023
• Essen (Germany), 21. Altbergbau-Kolloquium, 2023
•  Johannesburg (South Africa), WISA Mine Water Symposium, 2023

: Invited or Keynote Speaker