GRAPHIC’s 2015 Position Paper and Call to Action (official release December 1, 2015 at COP21):

Suggested citation:

Gurdak, J.J., Leblanc, M., Aureli, A., Carvalho Resende, T., Faedo, G., Green, T.R., Tweed, S., Longuevergne, L., Allen, D.M., Elliott, J.F., Taylor, R.G., and Conti, K., 2015, GRAPHIC position paper and call to action. Groundwater and climate change: Mitigating the global groundwater crisis and adapting to climate change, UNESCO International Hydrological Programme (IHP), Paris, France, 12 pgs.

GRAPHIC’s 2015 Paper on Small Island Developing States (SIDS) (official release at COP21):

Suggested citation:

Gurdak, J.J., Allen, D.M., Holding, S., Carvalho Resende, T., Leblanc, M., Aureli, A., Hejazian, M., Swarzenski, P., Antoniou, A., and Dumont, A., 2015, GRAPHIC Groundwater and Climate Change, Small Island Developing States (SIDS),  UNESCO International Hydrological Programme (IHP), Paris, France, 12 pgs.

Now available in French and Spanish:

Cliquez ici pour la version française.

Haga clic aquí para la versión española.

Global Synthesis of Scientific Findings & Policy Recommendations (Book):

Suggested citation:

Treidel, H., Martin-Bordes, J.J., and Gurdak, J.J., 2012. Climate change effects on groundwater resources: A global synthesis of findings and recommendations, IAH – International Contributions to Hydrogeology, Taylor and Francis publishing, 414 p., ISBN 978-0415689366.

Literature Reviews on Groundwater and Climate Change:

Klove, B., Ala-Aho, P., Bertrand, G., Gurdak, J.J., Kupfersberger, H., Kvaerner, J., Muotka, T., Mykra, H., Preda, E., Rossi, P., Uvo, C.B., Velasco, E., Wachniew, P., and Velazquez, M.P., 2013, Climate change impacts on groundwater and dependent ecosystems, Journal of Hydrology, vol. 518, part B, pages 179-278 (10 October 2014), Special Issue: Climatic change impact on water: Overcoming data and science gapsdoi:

Taylor, R., B. Scanlon, P. Döll, M. Rodell, R. van Beek, Y. Wada, L. Longuevergne, M. LeBlanc, J. Famiglietti, M. Edmunds, L. Konikow, T.R. Green, J. Chen, M. Taniguchi, M.F.P. Bierkens, A. MacDonald, Y. Fan, R.M. Maxwell, Y. Yechieli, J.J. Gurdak, D. Allen, M. Shamsudduha, K. Hiscock, P.J.-F.Yeh, I. Holman, and H. Treidel, 2012, Groundwater and climate change, Nature Climate Change, doi:10.1038/nclimate1744.

Green, T.R., Taniguchi, M., Kooi, H., Gurdak, J.J., Allen, D.M., Hiscock, K.M., Treidel, H., and Aureli, A., 2011, Beneath the surface of global change: Impacts of climate change on groundwater, Journal of Hydrology, doi:10.1016/j.jhydrol.2011.05.002

Other Journal Articles:

Foster, S. and Allen, D.M. (2015). Groundwater – surface water interactions in a mountain-to-coast watershed: Effects of climate change and human stressors. Advances in Meteorology, Special Issue on Hydrological Processes in Changing Climate, Land Use and Cover Change, Article ID 861805 (open access)

Graham, G., Allen, D.M. and Finkbeiner, B. (2015). Climate controls on nitrate concentration variability in an unconfined aquifer in the Lower Fraser River Valley, British Columbia. Environmental Earth Sciences Journal 73 (6): 2895-2907. DOI 10.1007/s12665-014-3072-5

Kuss, A.J.M., and Gurdak, J.J., 2014, Groundwater level response in U.S. Principal Aquifers to ENSO, NAO, PDO, and AMO, Journal of Hydrology, 519, 1939-1952.

Newcomer, M.E., Gurdak, J.J., Sklar, L., and Nanus, L., 2014, Urban recharge beneath low impact development and the effects of climate variability and change, Water Resources Research, doi:10.1002/2013WR014282

Green, T.R. Interactive comment on “Climate change impact on groundwater levels: ensemble modelling of extreme values” by J. Kidmose et al. Hydrol. Earth Syst. Sci. Discuss., 9, C4170–C4174. 2012.

Gleeson, T., Alley, W. M., Allen, D.M., Sophocleous, M.A., Zhou, Y., Taniguchi, M., VanderSteen, J. (2012). Towards sustainable groundwater use: setting long-term goals, backcasting and managing adaptively. Ground Water 50(1): 19-26. doi: 10.1111/j.1745-6584.2011.00825.x

Holman I, Allen, DM, Cuthbert MO and Goderniaux P (2012) Towards best practice for assessing the impacts of climate change on groundwater. Hydrogeology Journal 20(1): 1-4. DOI 10.1007/s10040-011-0805-3.

McNeeley, S.M., Tessendorf, S.A., Lazrus, H., Heikkila, T., Ferguson, I.M., Arrigo, J.S., Attari, S.Z., Cianfrani, C.M., Dilling, L., Gurdak, J.J., Kampf, S.K., Kauneckis, D., Kirchhoff, C.J., Lee, J., Lintner, B.R., Mahoney, K.M., Opitz-Stapleton, Ray, P., South, A.B., Stubblefield, A.P., and Brugger, J., 2012, Catalyzing frontiers in water-climate-society research: A view from early career scientists and junior faculty, Bulletin of American Meteorological Society, doi: 10.1175/BAMS-D-11-00221.1.

Holman, I., Rivas-Casado, M., Bloomfield, J., and Gurdak, J.J., 2011, Identifying non-stationary groundwater level response to North Atlantic ocean-atmosphere teleconnection patterns using wavelet coherence, Hydrogeology Journal, doi:10.1077/s10040-011-075509.

Taniguchi, M., Yamamoto, K., and Aarukkalige, P. R. 2011, Groundwater resources assessment based on satellite GRACE and hydrogeology in Western Australia. GRACE, Remote Sensing and Ground-based Methods in Multi-Scale Hydrology, IAHS Publication 343 :3-8.

Allen, D.M., Cannon, A.J., Toews, M.W., and Scibek, J. (2010) Variability in simulated recharge using different GCMs. Water Resources Research, 46, W00F03, doi:10.1029/2009WR008932.

Gleeson, T., VanderSteen, J., Sophocleous, M.A., Taniguchi, M., Alley, W.M., Allen, D.M., Zhou, Y. and Bruner, P. (2010). Groundwater sustainability strategies. Nature Geoscience, 3(6): 378-379.

Green, T.R., Yu, Q., Ma, L., Wang, T. 2010. Crop Water Use Efficiency at Multiple Scales. Agricultural Water Management. 97(8):1099-1101.

Taniguchi, M. A. Aureli, and J.L. Martin, 2009, Groundwater resources assessment under the pressures of humanities and climate change. IAHS Publication 334

Toews. M.W. and Allen, D.M. (2009). Evaluating different GCMs for predicting spatial recharge in an irrigated arid region . Journal of Hydrology, 374: 265-281. doi:10.1016/j.jhydrol.2009.06.022

Special Section in Vadose Zone Journal (2007, vol 6, no. 3) about GRAPHIC:

Books, Chapters, Reports, and Other Publications:

Green, T.R., 2016, Linking climate change and groundwater. In: Integrated Groundwater Management – Concepts, Approaches and Challenges.  Jakeman, A.J., et al. (Editors), Springer. ISBN 978-3-319-23575-2, (Book Chapter). Link to pdf of chapter.

Taniguchi, M. and Hiyama, T. (eds.), 2014, Groundwater as a key for adaptation to changing climate and society, Springer, Tokyo, 145pp.

Gurdak, J.J., 2012, Climate change goes underground: Implications for groundwater. Climate Science and Policy, July 5, 2012.

Fathelrahman, E.M., J.C. Ascough II, T.R. Green, M.H. Babiker, and K.M. Strezpek, 2009, Trade-off analysis between economic development and climate change adaptation strategies for River Nile Basin water resources. In: R. Taylor, C. Tindimugaya, M. Owor and M. Shasudduha (Editors), Groundwater and Climate Change in Africa. IAHS Publication 334, Wallingford, UK, pp. 257-269.

Gurdak, J.J., Hanson, R.T., and Green, T.R., 2009, Effects of climate variability on groundwater resources of the United States: U.S. Geological Survey Fact Sheet 2009-3074, 4 p.

Taniguchi, M., and Holman, I. (ed.) 2009 Groundwater system response to changing climate. Taylor and Francis, 200 pp.


GRAPHIC Sponsored Conferences and Sessions:

2015 – Workshop title: Groundwater and climate change, 42nd Congress of International Association of Hydrogeologists (IAH) Hydrogeology: Back to the Future!, Rome, Italy, September 13-18, 2015, Presiding: Jason Gurdak (San Francisco State University), Marc Lablanc (Universite D’Avignon), Aurelien Dumont (UNESCO-IHP). Workshop agenda here.

2012 – Session title: Groundwater and climate change: Linkages and adaptation, 39th Congress of the International Association of Hydrogeologists (IAH) “Confronting Global Change”, Niagara Falls, Canada, September 16-21, 2012. Session featured 25 oral and 6 poster presentations. Presiding: Richard Taylor (IAH-CGCC) and Makoto Taniguichi (GRAPHIC).

2012 – Session title: Groundwater and climate change with a focus on Mediterranean coastal aquifers, 6th World Water Forum, Marseilles, France, March 13, 2012. Presiding: Holger Treidel and Jose Luis Martin-Bordes (UNESCO GRAPHIC).

2010 – Session Title: Water-resource science and strategies for adaptation to climate variability and change, 2010 American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, USA, Presiding: MJ Friedel (USGS), S McNeeley (NCAR), BR Litner (Rutgers), JJ Gurdak (SFSU and GRAPHIC), and JA Tindall (USGS). Poster session H21G.

2010 – Forum Title: Climate and Water: Advancing adaptation science and strategies for water-resource vulnerability from climate variability and change, 2010 National Center for Atmospheric Science (NCAR), Early Career Scientists Assembly (ECSA), Junior Faculty Forum on Future Scientific Directions, NCAR Boulder, CO, July 13-15, 2010. Forum overview and agenda here. Presiding: Shannon McNeeley (NCAR) and Jason Gurdak (SFSU and GRAPHIC).

2008 – Session Title: Advanced methods of groundwater resources assessment under the pressures of aridity, humanity, and climate change, 2008 American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, USA, Presiding: M Taniguchi (RIHN and GRAPHIC), S Geyer (Helmholtz Centre for Environmental Research, UFZ), JJ Gurdak (USGS and GRAPHIC), C Siebert (Helmholtz Centre for Environmental Research, UFZ). Oral session H12D and poster session H13G.

2007 – Session Title: Climate influences on groundwater recharge, 2008 American Geophysical Union (AGU) Fall Meeting, San Francisco, CA, USA, Presiding: K Dennehy (USGS) and JJ Gurdak (USGS and GRAPHIC). Oral session H14E and poster session H11F.

2006 –Symposium Title: International Symposium on Groundwater Resources Assessment under the Pressure of Humanity and Climate Change (GRAPHIC), Research Institute for Humanity and Nature, Kyoto, Japan. April 4-6, 2006, Presiding: Makoto Taniguchi (RIHN and GRAPHIC).

2004 – Session title: Groundwater Resources Assessment Under the Pressure of Humanity and Climate Change (posters), American Geophysical Union (AGU), 2004 Fall Meeting, Hydrology H21F, San Francisco, CA USA, Presiding: Tim Green (USDA Agricultural Research Service) and Makoto Taniguchi (Research Institute for Humanity and Nature). 19 posters in this session. Complete lists of abstracts here.


Green, T.R., and Gurdak, J.J., 2016, Challenging a trickle-down view of climate change on agriculture and groundwater, Toward Sustainable Groundwater in Agriculture: 2nd International Conference Linking Science and Policy, Burlingame, California, USA, June 30, 2016.

Carvalho Resende, T., Longuevergne, L., Aureli, A., and Ansems, N., 2015, Towards innovative groundwater resources evaluation for water management decisions and policies: Application of GRACE observations to transboundary aquifers, 42nd International Association of Hydrogeologists (IAH) Congress, Rome, Italy, September 13-18, 2015.

Leblanc, M., Gurdak, J.J., Aureli, A., Carvalho-Resende, Tales, Faedo, G., and Taylor, R., 2015, Key findings on groundwater and climate change from the UNESCO-IHP GRAPHIC network, Our Common Future Under Climate Change, International Scientific Conference, abstract # P-2212a-10, July 7-10, 2015, Paris, France.

Gurdak, J.J., Newcomer, M., Sklar, L.S., and Nanus, L., 2013, Managed aquifer recharge (MAR) with low impact development (LID) under a changing climate, 2013 American Geophysical Union (AGU) Fall Meeting, December 9-13.

Taniguchi, M. Groundwater and climate change: Problems and ideas for the better management as the water resources. The 3rd GELK International Symposium, 2013, Kumamoto University、Kumamoto.

Green, T.R., Ma, L., Anapalli, S., Ahuja, L.R., Trout, T.J. 2012. Assessment of agricultural return flows under changing climate and crop water management. Proceedings International Association of Hydrogeologists (IAH). Niagara Falls, Ontario, Canada, September 16-21, 2012.  (Abstract)

Gurdak, J.J., Treidel, H., Martin-Bordes, J.L., and Taniguchi, M., 2012, Vulnerability of global groundwater resources to climate variability and change, 39th Congress of the International Association of Hydrogeologists (IAH) “Confronting Global Change”, Niagara Falls, Canada, September 16-21, 2012.

Gurdak, J.J., and Kuss, A.J., 2011, Interannual to multidecadal climate variability and groundwater resources of the western United States, 2011 American Geophysical Union Fall Meeting.

Newcomer, M., and Gurdak, J.J., 2011, Recharge rates beneath low-impact design rain gardens and the influence of El Niño Southern Oscillation on urban, coastal groundwater resources, 2011 American Geophysical Union Fall Meeting.

Gurdak, J.J., and Kuss, A.J., 2011, Interannual to multidecadal climate variability and groundwater resources of California, 28th Biennial Groundwater Conference and 20th Groundwater Resources Association of California Annual Meeting “California’s Water Future Goes Underground”, Sacramento, CA, October 5-6. (abstract)

Kuss, A.J., and Gurdak, J.J., 2010, Recharge response to climate variability and implications for groundwater resources of the Central Valley aquifer, 2010 American Geophysical Union Fall Meeting, abstract H21G-1151. (abstract)

Taniguchi, M. . UNESCO‐IHP Training Course “Global groundwater problems and adaptation to the changing climate and society”, 2010, Nagoya University, Nagoya.

Green, T.R., Bates, B.C., Charles, S.P., Fathelrahman, E.M. 2008. Global Analogues of Climate Change Effects on Agriculture and Groundwater Between Hydrologically Similar Regions of the World. Groundwater & Climate in Africa, Kampala, Uganda, 24-28 June 2008.  (abstract)

Gurdak, J.J., Taniguchi, M., Martin, J.L., Green T., Kooi, H., Hiscock, K., Taylor, K., and Bruce, B.W., 2008, Assessing global groundwater resources under the pressures of climate change and linked human activities, National Ground Water Association, 2008 Ground Water Summit Meeting, Memphis, TN. (abstract)

Green, T.R. 2006. Spatial scaling of surface water infiltration and its implications for estimating groundwater recharge. Meeting Abstract.Intl. Symposium on Groundwater Resources Assessment under the Pressures of Humanity and Climate Change. Kyoto, Japan, April 4-6, 2006.

Gurdak, J.J., 2006, Understanding groundwater response to human- and climate-induced stresses: High Plains aquifer, International Symposium on GRAPHIC, April 4-6, Research Institute for Humanity and Nature, Kyoto, Japan.

Gurdak, J.J., Bruce, B.W., McMahon, P.B., and Dennehy, K.F. 2006, Techniques to assess human and climate impacts on groundwater – High Plains aquifer perspective, International Symposium on GRAPHIC, April 4-6, Research Institute for Humanity and Nature, Kyoto, Japan.

Taniguchi, M., Green, T.R., Aureli, A. 2004. A review of climate change and societal impacts on groundwater: implications for a UNESCO initiative. Eos Trans. American Geophysical Union. 85(47), Fall Meet. Suppl., Abstract H21F-1085. 2004.