Flood hazard in a semi-closed basin in northern Ethiopia: Impact and resilience

IF 1.7 Q2 GEOGRAPHY Geo-Geography and Environment Pub Date : 2021-08-28 DOI:10.1002/geo2.100
Biadgilgn Demissie, Dereje Teklemariam, Mitiku Haile, Hailemariam Meaza, Jan Nyssen, Paolo Billi, Wuletawu Abera, Misgina Gebrehiwot, Ruth Haug, Veerle Van Eetvelde
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引用次数: 5

Abstract

Even though flooding is a threat to rural communities in plains drained by ephemeral rivers, the magnitude of its impact, coping/prevention mechanisms, and the implications for river management are not well known. In this study, data were collected using a phenomenological-based research design. Field observations, a questionnaire (n = 440), key informant interviews (10), and one focus group discussion (with seven discussants) were used to collect the desired data from flood-prone farmers. As the results show, 42% of the respondents believe that flooding has become stronger over the past 20 years, whereas 38% believe there has been no change. As mitigation measures, 52% of the respondents suggested evacuating to neighbouring villages as the best option. Most of the damage was experienced in farmlands (including crops, either harvested or standing) and settlements. As coping mechanisms, 31% of the respondents were displaced, whereas an additional 40% were forced to construct new houses for their settlement. Chi-square testing showed that the farmers’ responses statistically varied among different groups (p < .001). In the meantime, community participation in flood control and catchment management is important. Improving flood management knowledge and the skills of different groups in a community is equally important. In this case, a qualitative inquiry approach was a good option to assess the hydrological conditions of rivers.

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埃塞俄比亚北部半封闭流域的洪水灾害:影响和恢复力
尽管洪水对被短暂河流排干的平原上的农村社区构成威胁,但其影响的程度、应对/预防机制以及对河流管理的影响尚不清楚。在这项研究中,数据是使用基于现象学的研究设计收集的。使用实地观察、问卷调查(n=440)、关键信息员访谈(10)和一个焦点小组讨论(有7名讨论者)从易受洪水影响的农民那里收集所需的数据。结果显示,42%的受访者认为洪水在过去20年中变得更强,而38%的受访者认为没有变化。作为缓解措施,52%的受访者建议疏散到邻近村庄是最佳选择。大部分破坏发生在农田(包括收割或闲置的作物)和定居点。作为应对机制,31%的受访者流离失所,另有40%的受访者被迫为他们的定居点建造新房子。卡方检验表明,不同群体农民的反应存在统计学差异(p<0.001)。同时,社区参与防洪和流域管理也很重要。提高社区中不同群体的洪水管理知识和技能同样重要。在这种情况下,定性调查方法是评估河流水文条件的一个很好的选择。通过访谈和基于问卷的调查,了解干旱环境中无盖集水区的洪水规模、缓解策略和洪水影响。该研究得出结论,对于任何洪水管理活动,特别是在没有测量数据甚至无法记录的地区,通过访谈和调查方法从洪水易发地区的社区获得的信息至关重要。随着洪水灾害的影响越来越大,未来需要综合的洪水管理实践。重要的是,制定一套多样化的洪水管理框架,加强社区和利益相关者之间的有效合作,对于更好地管理此类山洪短暂流域的洪水风险至关重要。
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来源期刊
CiteScore
3.20
自引率
0.00%
发文量
12
审稿时长
25 weeks
期刊介绍: Geo is a fully open access international journal publishing original articles from across the spectrum of geographical and environmental research. Geo welcomes submissions which make a significant contribution to one or more of the journal’s aims. These are to: • encompass the breadth of geographical, environmental and related research, based on original scholarship in the sciences, social sciences and humanities; • bring new understanding to and enhance communication between geographical research agendas, including human-environment interactions, global North-South relations and academic-policy exchange; • advance spatial research and address the importance of geographical enquiry to the understanding of, and action about, contemporary issues; • foster methodological development, including collaborative forms of knowledge production, interdisciplinary approaches and the innovative use of quantitative and/or qualitative data sets; • publish research articles, review papers, data and digital humanities papers, and commentaries which are of international significance.
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