University of Zimbabwe

Together with many colleagues and graduate students, I have researched and written about several aspects of water resources management, including institutional perspectives & water policy, transboundary waters & water allocation,  water resources modelling, water management for rain-fed agriculture (green water management), irrigation water management, and capacity development. This page, together with linked pages, provides an overview. See also my profile at Google Scholar.

Several papers have been published in open access journals and books. Also many of the papers have been published in PhD theses, which in the Dutch system are also open access (see the page of PhD fellows). However, in some cases copyright laws inhibit the full papers to be freely available. If you want access to the full papers, please contact me by sending an email or commenting at the bottom of this page.


Abdullah, Ali; Castro Gama, Mario; Popescu, Ioana; van der Zaag, Pieter; Karim, Usama; Al Suhail, Qusay, 2018. Optimization of water allocation in the Shatt al-Arab River under different salinity regimes and tide impact. Hydrological Sciences Journal []

Digna, R.F.M.O., Y. Mohamed, P. van der Zaag, S. Uhlenbrook, G. Corzo, W. van der Krogt, 2018. Impact of water resources development on water availability for hydropower production and irrigated agriculture of the Eastern Nile Basin. Journal of Water Resources Planning and Management 144(5): 05018007 [doi:10.1061/(ASCE)WR.1943-5452.0000912]

Gebremicael, T., Y.A Mohamed, P. van der Zaag and E.Y Hagos, 2018. Quantifying longitudinal land use change from land degradation to rehabilitation in the headwaters of Tekeze-Atbara Basin, Ethiopia. Science of the Total Environment 622-623, 1581-1589 [doi:10.1016/j.scitotenv.2017.10.034]

Kahsay, T.N., O. Kuik, R. Brouwer and P. van der Zaag, 2018. The transboundary impacts of trade liberalization and climate change on the Nile Basin economies and water resource availability. Water Resources Management 32 (3): 935–947 [doi:10.1007/s11269-017-1847-7]

Renner, T., S. Meijerink and P. van der Zaag, 2017. The evolution of regional cross-border water regimes, the case of Deltarhine. Journal of Environmental Planning and Management [doi:10.1080/09640568.2017.1371005]

Susnik, J. and P. van der Zaag, 2017. Correlation and causation within the UN Human Development Index and national and personal wealth and resource exploitation. Economic Research-Ekonomska Istraživanja 30(1), 1705–1723 [doi:10.1080/1331677X.2017.1383175] [OPEN ACCESS]

Kemerink-Seyoum, J.S., N.L.T. Chinguno, S.D. Seyoum, R. Ahlers, J.A. Bolding and P. van der Zaag, 2017. Jumping the water queue: changing waterscapes under water reform processes in rural Zimbabwe. Water SA 43(3), 423-432 [doi:10.4314/wsa.v43i3.07] [OPEN ACCESS]

Smit, H., R.M. Kassa, R. Ahlers and P. van der Zaag, 2017. The political morphology of drainage — How gully formation links to State formation in the Choke Mountains of Ethiopia. World Development 98, 231-244 [doi:10.1016/j.worlddev.2017.04.031] [OPEN ACCESS]

Rusca, M., A.S. Boakye-Ansah, A. Loftus, G. Ferrero and P. van der Zaag, 2017. An interdisciplinary political ecology of drinking water quality; exploring socio-ecological inequalities in Lilongwe’s water supply network. Geoforum 84, 138-146 [doi:10.1016/j.geoforum.2017.06.013] [OPEN ACCESS]

Gharesifard, M., U. Wehn and P. van der Zaag. 2017. Towards benchmarking Citizen Observatories: features and functioning of online amateur weather networks. Journal of Environmental Management 193, 381–393 [doi:10.1016/j.jenvman.2017.02.003]

Institutional perspectives & water policy

Fanaian, S., S. Graas, Y. Jiang and P. van der Zaag, 2015. An ecological economic assessment of flow regimes in a hydropower dominated river basin: The case of the lower Zambezi River, Mozambique. Science of the Total Environment 505: 464–473 [doi:10.1016/j.scitotenv.2014.10.033]

Savenije, H.H.G., A.Y. Hoekstra and P. van der Zaag, 2014. Evolving water science in the Anthropocene. In: M. Sivapalan, T.J. Troy, V. Srinivasan, A. Kleidon, D. Gerten, and A. Montanari (eds.), “Predictions under change: water, earth, and biota in the anthropocene.” Special issue. Hydrol. Earth Syst. Sci., 18, 319–332 [doi:10.5194/hess-18-319-2014] [OPEN ACCESS]


Transboundary waters & water allocation

Kahsay, T.N., O. Kuik, R. Brouwer and P. van der Zaag, 2015. Estimation of the transboundary economic impacts of the Grand Ethiopia Renaissance Dam: a computable general equilibrium analysis. Water Resources and Economics 10, 14–30 [doi:10.1016/j.wre.2015.02.003]


Water resources modelling

Saraiva Okello, A.M.L., I. Masih, S. Uhlenbrook, G. Jewitt, P. van der Zaag, and E. Riddell, 2015. Drivers of spatial and temporal variability of streamflow in the Incomati River basin. Hydrol. Earth Syst. Sci. 19, 657–673 [doi:10.5194/hess-19-657-2015] [OPEN ACCESS]


Green water management

Van Eekelen, M.W., W.G.M. Bastiaanssen, C. Jarmain, B. Jackson, F. Fereira, P. van der Zaag, A. Saraiva Okello, J. Bosch, P. Dyeh, E. Bastidas-Obando, R.J.J. Dost, W.M.J. Luxemburg, 2015. A novel approach to estimate direct and indirect water withdrawals from satellite measurements: A case study from the Incomati basin. Agriculture, Ecosystems and Environment 200: 126–142 [doi:10.1016/j.agee.2014.10.023] [OPEN ACCESS]


Irrigation management

Van der Zaag, P. and E. Rap, 2012. The pivotal role of canal operators in irrigation schemes: The case of the canalero. Irrigation and Drainage 61: 436–448 [doi:10.1002/ird.693]


Capacity development

Jonker, L., P. van der Zaag, B. Gumbo, J. Rockström, D. Love, H.H.G. Savenije, 2012. A regional and multi-faceted approach to postgraduate water education – the WaterNet experience in Southern Africa. Hydrol. Earth Syst. Sci. 16, 4225–4232 [doi:10.5194/hess-16-4225-2012] [OPEN ACCESS]


Hwange waterhole, Zimbabwe (photo: Jochem van der Zaag)


2 thoughts on “Publications

  1. Dear Sir,
    Feels very happy and nostalgic your academic records and your photographs. I am proud of being your student.
    Kind Regards, Subha

  2. Dear Pieter, Dear Subha
    First Pieter, congratulations for your webe page and for sharing important documents about water resources management. My name is Carlos Saavedra (Agricultura Engineer) I work in Bolivia in the subject of integrated watershed management. With our project we are looking in how make “sustainable” intervention (implementation of watershed projects) at microwatershed level. As such i would really appreciate the oportunity to review the Phd thesis entitled “Sustainable watershed management: illusion or reality” written Subha Vishnudas. If you could availabel a pdf format i will appreciated very much. best regards Carlos

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