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Dr. Adrian Almoradie
Water Science and Engineering, Universität Bonn, 53113 Bonn, Germany

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0 Participatory Approaches
0 Remote Sensing
0 Decision Support Systems
0 Hydroinformatics
0 Water Resources and Flood Risk Management and Planning

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Journal article
Published: 27 July 2021 in Journal of Hydrology: Regional Studies
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This study focused on the Mono River Basin in west Africa. The lack of extensive and functional measurement networks for flood monitoring, introduces satellite-based rainfall datasets as an alternative which needs however to be evaluated beforehand. This study investigated the performance of four satellite and gauge-based rainfall products – Climate Hazards Group Infrared Precipitation with Station data (CHIRPS), Precipitation Estimation from Remotely Sensed Information using Artificial Neural Networks-Climate Data Record (PERSIANN), Tropical Applications of Meteorology using Satellite data and ground-based observations (TAMSAT), the Global Precipitation Climatology Centre full daily data (GPCC) – with grid-to-point and hydrologic modelling approaches at different time scales over the Mono basin. With the grid-to-point assessment, results show poor performances at daily and annual scales while the seasonal cycles were well reproduced with Nash-Sutcliffe efficiency (NSE) equal or higher than 0.94, and correlation coefficient above 0.9. All assessed products exhibited high probability of detection (POD) and low false alarm ratio (FAR) at dekadal scale. Based on NSE values of hydrologic modelling, best results were achieved by PERSIANN, followed by GPCC and TAMSAT, but CHIRPS performed worst with negative values. By filling the gaps of gauge data with the satellite-based products, we noticed that filling the missing does not necessarily improve the quality of the data and that may not be needed in the case of the Mono basin if interpolation methods like kriging are applied.

ACS Style

Nina Rholan Hounguè; Kingsley Nnaemeka Ogbu; Adrian Delos Santos Almoradie; Mariele Evers. Evaluation of the performance of remotely sensed rainfall datasets for flood simulation in the transboundary Mono River catchment, Togo and Benin. Journal of Hydrology: Regional Studies 2021, 36, 100875 .

AMA Style

Nina Rholan Hounguè, Kingsley Nnaemeka Ogbu, Adrian Delos Santos Almoradie, Mariele Evers. Evaluation of the performance of remotely sensed rainfall datasets for flood simulation in the transboundary Mono River catchment, Togo and Benin. Journal of Hydrology: Regional Studies. 2021; 36 ():100875.

Chicago/Turabian Style

Nina Rholan Hounguè; Kingsley Nnaemeka Ogbu; Adrian Delos Santos Almoradie; Mariele Evers. 2021. "Evaluation of the performance of remotely sensed rainfall datasets for flood simulation in the transboundary Mono River catchment, Togo and Benin." Journal of Hydrology: Regional Studies 36, no. : 100875.

Original article
Published: 02 September 2020 in Journal of Flood Risk Management
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This article evaluates the current gaps and describes opportunities for improving flood risk management (FRM) in Ghana, West Africa. A mixed‐method participatory approach comprising questionnaires, workshops, interviews with key stakeholders, and a systematic literature review were employed. Existing problems, discourses, FRM practices, and opportunities to enhance flood resilience were identified. They provided the basis for outlining potential research directions into ways of tracking these challenges. The results show how different actors perceive FRM in Ghana. The stakeholders interviewed have different, and even contradictory perceptions of the effectiveness of FRM, which are embedded in their diverse storylines. The findings show that Ghana's FRM is still reactive rather than preventive and that research in the field of quantitative hazard and risk assessment is still rudimentary. FRM policies and flood early warning systems (FEWS) are in place, but efforts should be directed towards their implementation and monitoring, investigation of social and technical capacity aspects, and enhancement of institutions’ mandates, and coordination. Moreover, the findings illustrate that FRM is moving toward a more constructive engagement of citizens and stakeholders. However, policies and action plans need to consider more inclusive community participation in planning and management to effectively improve their resilience and develop sustainable solutions.

ACS Style

Adrian Almoradie; Mariana Madruga De Brito; Mariele Evers; Aymar Bossa; Mawuli Lumor; Charlotte Norman; Yira Yacouba; Jean Hounkpe. Current flood risk management practices in Ghana: Gaps and opportunities for improving resilience. Journal of Flood Risk Management 2020, 13, 1 .

AMA Style

Adrian Almoradie, Mariana Madruga De Brito, Mariele Evers, Aymar Bossa, Mawuli Lumor, Charlotte Norman, Yira Yacouba, Jean Hounkpe. Current flood risk management practices in Ghana: Gaps and opportunities for improving resilience. Journal of Flood Risk Management. 2020; 13 (4):1.

Chicago/Turabian Style

Adrian Almoradie; Mariana Madruga De Brito; Mariele Evers; Aymar Bossa; Mawuli Lumor; Charlotte Norman; Yira Yacouba; Jean Hounkpe. 2020. "Current flood risk management practices in Ghana: Gaps and opportunities for improving resilience." Journal of Flood Risk Management 13, no. 4: 1.

Preprint content
Published: 23 March 2020
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The understanding of the multifaceted nature of flood risk management (FRM) of a country requires the consideration of both social, technical as well as governance aspects. The inclusion of these components in the analysis and assessment of FRM allows comprehending the veracity of its interdependencies, its strengths and weakness that would, in turn, aid in improving the current system.

This paper presents an inter and transdisciplinary and participatory multi-method participatory approach to promptly assess Ghana’s current FRM practices, describing the current gaps and opportunities for improving FRM. Here, we describe the challenges on its institutional, governance and implementation, scientific, technical and social capacity levels and potential ways forward. The methodological  approach comprised a systematic literature review of 53 peer-reviewed articles, stakeholder analysis, engagement of stakeholders on workshops through focus group discussion and collaborative mapping, interviews with key individual stakeholders, and household surveys with 1,479 citizens living in flood prone areas. The stakeholders were identified and categorized into governance and implementation, academia and research and security agencies.

Results show that stakeholders have diverse and even contradictory views regarding FRM in Ghana. Overall, the findings indicate that: (1) the most critical regions are Accra, Kumasi, and the White Volta river basin, (2) the most crucial aspects for reducing vulnerability and exposure are related with high population density, social hotspots and location of Critical Infrastructure, (3) FRM  are unsustainable and unintegrated and it heavily relies on short-term projects and external funders, (4) reliable data is scarcily available and communities need to be engage more in the planning and provision of information and data, (5) there are weaknesses in flood early warning systems (FEWS), institutional collaborations, human capacity, trained FRM professionals and problems in policy implementation, (6) the most important vulnerability criteria are the existence of FEWS, disaster relief agencies, areas with a high density of children and poverty rate, (7) the interviewed communities in Accra and Kumasi claimed that flood disasters are caused mainly by human activities and interventions.

The applied participatory multi-method approach proved to be useful to capture the factual situation of the FRM in Ghana, this was shown when cross-referencing the results of the different methods. The use of a participatory and inter and transdisciplinary approach allowed capturing a multitude of views as well as the stakeholders needs and requirements in terms of FRM. The co-production of knowledged allowed improving the credibility, salience and legitimacy of project outputs.

ACS Style

Adrian Almoradie; Mariana Madruga De Brito; Mariele Evers. An inter and transdisciplinary participatory approach to assess the current flood risk management practices in Ghana. 2020, 1 .

AMA Style

Adrian Almoradie, Mariana Madruga De Brito, Mariele Evers. An inter and transdisciplinary participatory approach to assess the current flood risk management practices in Ghana. . 2020; ():1.

Chicago/Turabian Style

Adrian Almoradie; Mariana Madruga De Brito; Mariele Evers. 2020. "An inter and transdisciplinary participatory approach to assess the current flood risk management practices in Ghana." , no. : 1.

Journal article
Published: 30 November 2017 in Water
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The use and management of water systems is influenced by a number of factors, such as economic growth, global change (e.g., urbanization, hydrological-climatic changes), politics, history and culture. Despite noteworthy efforts to develop integrative approaches to analyze water-related problems, human-water research remains a major challenge for scholars and decision makers due to the increasing complexity of human and water systems interactions. Although existing concepts try to integrate the social and water dimensions, they usually have a disciplinary starting point and perspective, which can represent an obstacle to true integration in human-water research. Hence, a pluralistic approach is required to better understand the interactions between human and water systems. This paper discusses prominent human-water concepts (Integrated Water Resources Management (IWRM), socio-hydrology, and political ecology/hydrosocial approach) and presents a newly developed concept termed pluralistic water research (PWR). This is not only a pluralistic but also an integrative and interdisciplinary approach which aims to coherently and comprehensively integrate human-water dimensions. The different concepts are illustrated in a synopsis, and diverse framing of research questions are exemplified. The PWR concept integrates physical and social sciences, which enables a comprehensive analysis of human-water interactions and relations. This can lead to a better understanding of water-related issues and potentially sustainable trajectories.

ACS Style

Mariele Evers; Britta Höllermann; Adrian Delos Santos Almoradie; Glenda Garcia Santos; Linda Taft. The Pluralistic Water Research Concept: A New Human-Water System Research Approach. Water 2017, 9, 933 .

AMA Style

Mariele Evers, Britta Höllermann, Adrian Delos Santos Almoradie, Glenda Garcia Santos, Linda Taft. The Pluralistic Water Research Concept: A New Human-Water System Research Approach. Water. 2017; 9 (12):933.

Chicago/Turabian Style

Mariele Evers; Britta Höllermann; Adrian Delos Santos Almoradie; Glenda Garcia Santos; Linda Taft. 2017. "The Pluralistic Water Research Concept: A New Human-Water System Research Approach." Water 9, no. 12: 933.