Contact G@GPS

Please use the following contact information for inquiries about G@GPS and specific regional activities.


Dr. Dioni I. Cendón, Senior Research Scientist. Australian Nuclear Science and Technology Organization (ANSTO), Kirrawee DC, New South Wales, Australia.  email:


Prof. Dr. Jianyao Chen, Department of Water Resources and Environment, School of Geography and Planning, SunYatsenUniversity, Guangzhou, China. email:  

North America

Dr. Jason J. Gurdak, Assistant Professor, Department of Geosciences, Hydrogeology and Water Resources Research Group, San Francisco State University, San Francisco, California, United States of America. email:

South America

Prof. Dr. Ofelia Tujchneider. Researcher of the National Council of Scientific and Technical Research. Faculty of Engineering and Water Sciences, National University El Litoral. Ciudad Universitaria, Santa Fe, Argentina.  e-mail:


Prof. Emerit. Sylvi Haldorsen, Department of Plants and Environmental Sciences, Norwegian University of Life Sciences,  AAs, Norway. email:

Dr. Ir. M.J. (Martine) van der Ploeg, , Centre for Water and Climate Soil Physics, Ecohydrology and Groundwater Management Group, Wageningen University, Wageningen, The Netherlands, email:

Prof. Rein Vaikmäe. Institute of Geology, Tallinn University of Technology, Tallinn,  Estonia. e-mail:


Dr. Najiba Chkir Ben Jemâa, Maître Assistante Habilité au Dép. De Géographie – Fac des Lettres et Sciences Humaines de Sfax, Adresse : BP 1168 – Route de l’Aéroport – 3029 Sfax – Tunisie, Tel: +216 74 670 544, e-mail: