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Adapting Crisis Responses to Salt-Droughts in Vietnam

Interdisciplinary ISPF-British Council project between Northumbria University and Can Tho University on crisis responses to salt-droughts in the Mekong Delta, Vietnam.

Working in the Mekong Delta in Vietnam, this International Science Partnerships Fund (ISPF)-British Council project comprises an interdisciplinary team of researchers from Northumbria University in the UK and the Mekong Institute at Can Tho University in Vietnam. The team is jointly led by Dr Oliver Hensengerth at Northumbria University and Dr Van Pham Dang Tri at Can Tho University. At Northumbria University, the team includes Prof Matt Baillie Smith, Prof Katy Jenkins and Dr Katie Oven. At Can Tho University, the team includes Nguyen Tan Loi and Nguyen Thi Phuong Thao. Key non-university partners include Lam Thi Hen from the Centre for Women’s Development in the Mekong Delta and Dr Nguyen Duc Viet, a water management specialist at the Ministry of Agriculture and Environment.

The Mekong Delta is Vietnam's key rice production area, playing a major role in national and global food security. While floods have traditionally been an integral part of peoples' lives in the region, in 2016 and 2020 Vietnam experienced major droughts, accompanied by increasing levels of salt intrusion (Nguyen et al., 2026). These droughts are referred to as salt-droughts. The 2020 salt-drought caused five delta provinces to declare a state of emergency and was the worst drought on record since 1926 (Bloomberg, 2020). Accordingly, technologies, knowledges, data and practices in government and local communities on how to respond to droughts are still emergent.

Planning and policy-making for disasters in Vietnam is a hierarchical process characterised by top-down structural solutions, a lack of public involvement and local resistance to government policies (Ha et al., 2018). Gendered impacts are only slowly being recognised. For example, as caregivers and responsible for the household, women spend more time collecting water, reducing time for paid work (UN, 2020).

This research takes place as the Vietnamese government aims to upgrade early warning capacity. This follows UN calls to protect everyone by an early warning system within the next five years (UN, 2022). Effective warning systems bridge scientific and local knowledge and incorporate gender-sensitive approaches (Diaz et al., 2022; Shah et al., 2022). Doing so requires a better understanding of how local people experience emerging hazards and how new forms of marginalisation develop. For new technologies, this raises questions of what data is relevant to people, how to translate data into actionable knowledge and how to avoid reproduction of inequalities (van Ginkel and Biradar, 2021). The project is situated within the literature on just transitions, specifically on the role of knowledge production and exclusion (Nikolaeva, 2024). The research work links this to two growing sets of literature: locally-led adaptation, which highlights the role of local people's knowledges and aspirations as a basis for adaptation (Westoby et al., 2020); and everyday activism, which foregrounds the often invisible actions of local people (Börner et al., 2021).

The project's objectives are:

  1. To study emerging experiences and responses to drought and salt-intrusion amongst government and communities;
  2. To understand on what knowledges and data sets these responses are based, and to identify gaps in data and information needs for policy development and decision making;
  3. To bring together different knowledges on salt-droughts, including the areas, people and livelihoods impacted, via a series of mapping exercises and interviews to create the long-term basis for the development of a people-centred early warning system;
  4. To build capacity of early career researchers through methods training, networking, and an inclusive and equitable publishing strategy.

Key research questions are:

  • How are new drought hazards and salinisation processes being experienced by local people?
  • What sources of information do people use?
  • How do local processes of knowledge generation intersect with government interventions?
  • How and where in these processes do power dynamics unfold that disenfranchise people, and what are the gendered effects?

Working at the commune level in the provinces of Ca Mau and Soc Trang (now part of Can Tho City following the administrative reforms of June 2025), the researchers ground-truth remote sensing and hydrometeorological, land use and other technical data with community experiences, knowledges and understandings on drought and salinity. This is done via an interdisciplinary methodology that includes critical policy analysis, participatory mapping, narrative interviews, and drought and salinity forecast modelling. Through this methodology, the project aims to create dialogue on how different types of data represent different knowledges and understandings of drought and drought impact. This enables the research to develop capacity for community engagement and decision-support, and to develop the information basis for the development of solutions that benefit local livelihoods.

To find out more, please contact Dr Oliver Hensengerth.

 

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