Climate change adaptation through nature-based solution: examining the case of Thakurani Khal of Mongla Port Municipality, Bagerhat Bangladesh

Imon Chowdhooree, T. Aziz, Md. Jubaer Rashid, Meherab Hossain
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Abstract

Purpose Urban areas, especially in the coastal region of Bangladesh, face environmental degradation due to rapid urbanization, uncontrolled socio-economic activities and experiencing the adverse impacts of climate change. Nature-based solutions (NbS) as options for restoring, preserving, maintaining and elevating natural features or systems are becoming popular for reducing vulnerabilities caused either by natural hazards or human-induced activities. With this understanding, this study aims to explore the need of practicing NbS by studying the condition of a tidal canal (known as Thakurani Khal) and its peripheral areas of Mongla Port Municipality, a coastal and seaport town in Bangladesh. Design/methodology/approach This case study-based research uses multiple inquiries, including focus group discussions, pair-wise comparison, observation, GIS-based mapping, key informant interviews and secondary climate data review, to understand the spatial development of the area and community reactions to the changes in the urban environment. Findings The natural water flow of this canal is controlled by sluice gates that indirectly allowed the dweller to encroach its lands and convert the canal into a solid waste dumping area. These human-induced activities as well as the climate change-induced events (i.e. extreme heat, intensive and irregular rainfall, increased number of cyclones, etc.) have made the adjacent areas prone to waterlogging and drainage congestion. In this context, the revival of the original natural quality of the canal has been identified as an alternative to ensuring an adaptive urban environment. Originality/value This research highlights the importance of practicing NbS for developing urban resilience in the context of climate change.
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通过基于自然的解决方案适应气候变化:孟加拉国巴格哈特省蒙拉港市 Thakurani Khal 案例研究
由于快速的城市化、不受控制的社会经济活动以及气候变化的不利影响,城市地区,特别是孟加拉国沿海地区,面临着环境退化的问题。基于自然的解决方案(NbS)作为恢复、保护、维护和提升自然特征或系统的选择,在减少自然灾害或人为活动造成的脆弱性方面越来越受欢迎。有了这样的认识,本研究旨在通过研究孟加拉国沿海和海港城镇蒙拉港市的潮汐运河(称为Thakurani Khal)及其周边地区的状况,探索实践NbS的必要性。设计/方法/方法本研究采用多种调查方法,包括焦点小组讨论、配对比较、观察、基于gis的制图、关键信息访谈和二次气候数据审查,以了解该地区的空间发展和社区对城市环境变化的反应。研究发现:水闸控制着运河的自然水流,这间接地使居民侵占了运河的土地,并将运河变成了固体废物倾倒区。这些人为活动以及气候变化引起的事件(即极端高温、密集和不规则降雨、飓风次数增加等)使邻近地区容易发生内涝和排水堵塞。在这种背景下,运河原有自然品质的复兴已被确定为确保适应性城市环境的替代方案。原创性/价值本研究强调了在气候变化背景下实施国家统计局对发展城市韧性的重要性。
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来源期刊
CiteScore
3.40
自引率
6.20%
发文量
49
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