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Alfonso Mejia

Profile Photo
Image
Email
aim127@psu.edu
Telephone
(814) 865-0639

217 Sackett Building
College Avenue
University Park, PA 16802

Elsevier Pure Profile
IEE Research Themes
Climate and Natural Systems
Equitable Communities and the Built Environment
Water Sustainability
Affiliate Researcher
Titles and Affiliations
Associate Professor, Civil and Environmental Engineering

Research Summary

Research interests include hydrologic modeling and forecasting, hydrometeorology, human-natural systems, fluvial and river basin geomorphology and water resources sustainability.

In the News

Research Keywords

 These keywords and phrases come from the publications and other research output of this person. See other researchers related to these topics by clicking on any keyword.

Streamflow
United States
United States Of America
Water Footprint
Water Flow
Risk Management
Hydrological Model
Distributed Hydrological Model
Virtual Water Flow
Virtual Water Networks
Supply Chain
Drought
Reforecast
Drainage Network
Climate Change
Drought Impacts
Flood Impact
Seasonality
Virtual Water
Ensemble Forecast

Projects

The Susquehanna River with levees and mountains in the background near Wilkes-Barre, Pennsylvania
Visualizing Inland Flood Hazard in the Face of Climate Change
Clouds hang in the air over a mountainous landscape
Facilitating Environmental Investigations Employing a Single Column Model
Power transmission lines are shown against a backdrop of morning clouds
Reducing Uncertainty in River System Forecasts to Maximize Nuclear and Hydro Generation
water pump in Bangladesh
Towards Sustainable and Equitable Household Water Security: Lessons from Bangladesh
Rain falls in puddles in a city
Projecting Flood Risk from Extreme Precipitation: Interaction Between Climate Change and Urbanization

Recent Publications

Past, Present, and Future Liquefaction Hazards at Greenmeadows School, Napier, New Zealand

Ghimire, A., Yost, K. M., Stolte, A., Mejia, A. I. & Orense, R., 2025, In: Geotechnical Special Publication. 2025-March, GSP 366, p. 134-144 11 p.

Research output: Contribution to journal › Conference article › peer-review

Scaling Nature-Based Solutions for Fluvial Floods: A Worldwide Systematic Review

Howarth, M., Smithwick, E. A. H., McPhillips, L. & Mejia, A. I., Mar 1 2025, In: Wiley Interdisciplinary Reviews: Water. 12, 2, e70011.

Research output: Contribution to journal › Review article › peer-review

Freshwater faces a warmer and saltier future from headwaters to coasts: climate risks, saltwater intrusion, and biogeochemical chain reactions

Kaushal, S. S., Shelton, S. A., Mayer, P. M., Kellmayer, B., Utz, R. M., Reimer, J. E., Baljunas, J., Bhide, S. V., Mon, A., Rodriguez-Cardona, B. M., Grant, S. B., Newcomer-Johnson, T. A., Malin, J. T., Shatkay, R. R., Collison, D. C., Papageorgiou, K., Escobar, J., Rippy, M. A., Likens, G. E. & Najjar, R. G. & 4 others, Mejia, A. I., Lassiter, A., Li, M. & Chant, R. J., Apr 2025, In: Biogeochemistry. 168, 2, 31.

Research output: Contribution to journal › Article › peer-review

Environmental Indicators for Assessment of Circular Economy (CE) Implementation in the Water and Wastewater Sector

Smol, M., Mejia, A., Gastaldi, M. & D'Adamo, I., Feb 2025, In: Business Strategy and the Environment. 34, 2, p. 1993-2011 19 p.

Research output: Contribution to journal › Article › peer-review

Estimating effects of monsoon flooding on household water access

Broyles, L. M. T., Pakhtigian, E. L. & Mejia, A., Sep 1 2024, In: Environmental Research Letters. 19, 9, 094038.

Research output: Contribution to journal › Article › peer-review

The Selection of Global Climate Models for Regional Impact Studies Should Consider Information from Historical Simulations and Future Projections

Rohith, A. N., Mejia, A. & Cibin, R., Sep 2024, In: Earth Systems and Environment. 8, 3, p. 693-703 11 p.

Research output: Contribution to journal › Article › peer-review

Seasonal variation in household water insecurity in rural Bangladesh: A longitudinal analysis

Broyles, L. M. T., Pakhtigian, E. L., Aziz, S., Akanda, A. S. & Mejia, A., Jul 31 2023, In: PLOS Water. 2, 7 July, e0000157.

Research output: Contribution to journal › Article › peer-review

Cities can benefit from complex supply chains

Doğan, N. B., Mejia, A. & Gomez, M., Dec 2023, In: npj Urban Sustainability. 3, 1, 20.

Research output: Contribution to journal › Article › peer-review

Panta Rhei benchmark dataset: socio-hydrological data of paired events of floods and droughts

Kreibich, H., Schröter, K., Di Baldassarre, G., Van Loon, A. F., Mazzoleni, M., Abeshu, G. W., Agafonova, S., Aghakouchak, A., Aksoy, H., Alvarez-Garreton, C., Aznar, B., Balkhi, L., Barendrecht, M. H., Biancamaria, S., Bos-Burgering, L., Bradley, C., Budiyono, Y., Buytaert, W., Capewell, L. & Carlson, H. & 71 others, Cavus, Y., Couasnon, A., Coxon, G., Daliakopoulos, I., De Ruiter, M. C., Delus, C., Erfurt, M., Esposito, G., François, D., Frappart, F., Freer, J., Frolova, N., Gain, A. K., Grillakis, M., Grima, J. O., Guzmán, D. A., Huning, L. S., Ionita, M., Kharlamov, M., Khoi, D. N., Kieboom, N., Kireeva, M., Koutroulis, A., Lavado-Casimiro, W., Li, H. Y., Llasat, M. C., Macdonald, D., Mård, J., Mathew-Richards, H., Mckenzie, A., Mejia, A., Mendiondo, E. M., Mens, M., Mobini, S., Mohor, G. S., Nagavciuc, V., Ngo-Duc, T., Nguyen, H. T. T., Nhi, P. T. T., Petrucci, O., Quan, N. H., Quintana-Seguí, P., Razavi, S., Ridolfi, E., Riegel, J., Sadik, M. S., Sairam, N., Savelli, E., Sazonov, A., Sharma, S., Sörensen, J., Souza, F. A. A., Stahl, K., Steinhausen, M., Stoelzle, M., Szalińska, W., Tang, Q., Tian, F., Tokarczyk, T., Tovar, C., Tran, T. V. T., Van Huijgevoort, M. H. J., Van Vliet, M. T. H., Vorogushyn, S., Wagener, T., Wang, Y., Wendt, D. E., Wickham, E., Yang, L., Zambrano-Bigiarini, M. & Ward, P. J., May 16 2023, In: Earth System Science Data. 15, 5, p. 2009-2023 15 p.

Research output: Contribution to journal › Article › peer-review

Projecting multi-attribute flood regime changes for the Yangtze River basin

Zhang, C., Sun, F., Sharma, S., Zeng, P., Mejia, A., Lyu, Y., Gao, J., Zhou, R. & Che, Y., Feb 2023, In: Journal of Hydrology. 617, 128846.

Research output: Contribution to journal › Article › peer-review

Climate and hydrological seasonal effects on household water insecurity: A systematic review

Broyles, L. M. T., Pakhtigian, E. L., Rosinger, A. Y. & Mejia, A., May 1 2022, In: Wiley Interdisciplinary Reviews: Water. 9, 3, e1593.

Research output: Contribution to journal › Review article › peer-review

The challenge of unprecedented floods and droughts in risk management

Kreibich, H., Van Loon, A. F., Schröter, K., Ward, P. J., Mazzoleni, M., Sairam, N., Abeshu, G. W., Agafonova, S., AghaKouchak, A., Aksoy, H., Alvarez-Garreton, C., Aznar, B., Balkhi, L., Barendrecht, M. H., Biancamaria, S., Bos-Burgering, L., Bradley, C., Budiyono, Y., Buytaert, W. & Capewell, L. & 72 others, Carlson, H., Cavus, Y., Couasnon, A., Coxon, G., Daliakopoulos, I., de Ruiter, M. C., Delus, C., Erfurt, M., Esposito, G., François, D., Frappart, F., Freer, J., Frolova, N., Gain, A. K., Grillakis, M., Grima, J. O., Guzmán, D. A., Huning, L. S., Ionita, M., Kharlamov, M., Khoi, D. N., Kieboom, N., Kireeva, M., Koutroulis, A., Lavado-Casimiro, W., Li, H. Y., LLasat, M. C., Macdonald, D., Mård, J., Mathew-Richards, H., McKenzie, A., Mejia, A., Mendiondo, E. M., Mens, M., Mobini, S., Mohor, G. S., Nagavciuc, V., Ngo-Duc, T., Thao Nguyen Huynh, T., Nhi, P. T. T., Petrucci, O., Nguyen, H. Q., Quintana-Seguí, P., Razavi, S., Ridolfi, E., Riegel, J., Sadik, M. S., Savelli, E., Sazonov, A., Sharma, S., Sörensen, J., Arguello Souza, F. A., Stahl, K., Steinhausen, M., Stoelzle, M., Szalińska, W., Tang, Q., Tian, F., Tokarczyk, T., Tovar, C., Tran, T. V. T., Van Huijgevoort, M. H. J., van Vliet, M. T. H., Vorogushyn, S., Wagener, T., Wang, Y., Wendt, D. E., Wickham, E., Yang, L., Zambrano-Bigiarini, M., Blöschl, G. & Di Baldassarre, G., Aug 4 2022, In: Nature. 608, 7921, p. 80-86 7 p.

Research output: Contribution to journal › Article › peer-review

Creating a Virtual International Research Experience

López-Uribe, M. M., Urbina, J. V., Mejía, A. I., Duque, L. O., Riaño-Jimenez, D., Cure, J. R., Ramos, V., Martel, C., Fuentes, J. D. & González, V. H., 2022, In: American Entomologist. 68, 1, p. 24-27 4 p.

Research output: Contribution to journal › Article › peer-review

Multilayer Network Clarifies Prevailing Water Consumption Telecouplings in the United States

Garcia, S., Gomez, M., Rushforth, R., Ruddell, B. L. & Mejia, A., Jul 2021, In: Water Resources Research. 57, 7, e2020WR029141.

Research output: Contribution to journal › Article › peer-review

Supply chain diversity buffers cities against food shocks

Gomez, M., Mejia, A., Ruddell, B. L. & Rushforth, R. R., Jul 8 2021, In: Nature. 595, 7866, p. 250-254 5 p.

Research output: Contribution to journal › Article › peer-review