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Tectonic stress regime and faulting style analysis due to sequence of earthquakes in Western Nepal 尼泊尔西部地震序列导致的构造应力机制和断层类型分析
Natural Hazards Research Pub Date : 2024-12-01 DOI: 10.1016/j.nhres.2023.11.010
Pooja Mahto, S.C. Gupta
{"title":"Tectonic stress regime and faulting style analysis due to sequence of earthquakes in Western Nepal","authors":"Pooja Mahto,&nbsp;S.C. Gupta","doi":"10.1016/j.nhres.2023.11.010","DOIUrl":"10.1016/j.nhres.2023.11.010","url":null,"abstract":"<div><div>The current study examines the source mechanism and the regional stress regime of a sequence of moderate-sized earthquakes between October 2022 and October 2023. ISOLA-GUI-a Matlab coded program has been used to estimate Moment Tensor Solution to understand the source mechanisms of the earthquakes in the region. The earthquakes are recorded at the broadband station arrays of the regional seismological network around the Tehri region, installed by the Indian Institute of Technology Roorkee in India. The study focuses on earthquakes with epicentral distances of less than 10°. The investigation aims to comprehend the source process by estimating the focal mechanisms utilizing regional waveform data and then inverting the acquired focal mechanism of these earthquakes to comprehend the active stress regime in the region. The obtained source mechanism reveals a predominance of a double-couple mechanism in faulting and hence, suggests that the majority of the seismic energy is released through shear motion along a defined fault plane. By revealing the complex interaction of geological forces in the Himalayan belt, this investigation will help us to better understand the distribution of stress and deformation patterns beneath the Earth's crust. The main emphasis lies on assessing stress distribution through the utilization of earthquake focal mechanism data and employing the Stress Inversion technique using the WinTensor program. The result of stress inversion suggests that the maximum compressive stress is plunging horizontally, while the minimum compressive stress is oriented vertically. Hence revealing a thrust stress regime in Western Nepal, trending in the NNE- SSW direction corroborating the ongoing tectonic processes associated with the collision of the Indian plate with the Eurasian plate.</div></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 4","pages":"Pages 531-538"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139300985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cold wave induced mortalities in Bangladesh: Spatiotemporal analysis of 20 years’ data, 2000–2019 孟加拉国寒潮导致的死亡:对 2000-2019 年 20 年数据的时空分析
Natural Hazards Research Pub Date : 2024-12-01 DOI: 10.1016/j.nhres.2024.01.010
Md Khalid Hasan , Tahmina Bintay Younos , Raisa Imran Chowdhury , Khalid Bin Masud , Pedro Arcos González , Rafael Castro-Delgado
{"title":"Cold wave induced mortalities in Bangladesh: Spatiotemporal analysis of 20 years’ data, 2000–2019","authors":"Md Khalid Hasan ,&nbsp;Tahmina Bintay Younos ,&nbsp;Raisa Imran Chowdhury ,&nbsp;Khalid Bin Masud ,&nbsp;Pedro Arcos González ,&nbsp;Rafael Castro-Delgado","doi":"10.1016/j.nhres.2024.01.010","DOIUrl":"10.1016/j.nhres.2024.01.010","url":null,"abstract":"<div><div>The study aimed to explore the spatiotemporal patterns and characteristics of cold wave mortality in Bangladesh by developing a cold wave dataset using content analysis. Due to the absence of a formal database about cold wave-related mortality in Bangladesh, we first developed a cold wave mortality dataset using content analysis of four (04) leading national daily newspapers’ cold wave-related news from 2000 to 2019 and crosschecked with other related reports. Then, we analyzed the data to obtain the spatiotemporal trends and characteristics of cold wave mortality in Bangladesh. A total of 5610 people died in 81 cold wave events (spells) in Bangladesh during the 20 years, with an average of 281 deaths per year. The average duration of cold waves (spells) in Bangladesh was 25.4 days per year, with a statistically significant increasing trend over the period. The highest cold wave mortality rate was found in the Kurigram District; the rate was 163.63 deaths per million people per year. About 58% of cold wave spells and 58.5 % of cold wave mortality occurred in January, followed by December (22%) during the study period. However, cold wave mortality varied from district to district; northwestern districts of Bangladesh were more prone to cold waves and reported a higher mortality rate. During the study period, more children and males died due to cold waves than females in Bangladesh. The study findings serve as a foundation for future research and policy development to establish cold wave management guidelines to reduce the risk of cold wave exposures among vulnerable people in the country.</div></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 4","pages":"Pages 604-615"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139877814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Urban stormwater management under various runoff conditions for Arba Minch town of southern Ethiopia 埃塞俄比亚南部阿尔巴明奇镇各种径流条件下的城市雨水管理
Natural Hazards Research Pub Date : 2024-12-01 DOI: 10.1016/j.nhres.2024.02.003
Bereket Ayele Ayda , Demelash Wondimagegnehu Goshime , Mekuanent Muluneh Finsa , Abebe Temesgen Ayalew
{"title":"Urban stormwater management under various runoff conditions for Arba Minch town of southern Ethiopia","authors":"Bereket Ayele Ayda ,&nbsp;Demelash Wondimagegnehu Goshime ,&nbsp;Mekuanent Muluneh Finsa ,&nbsp;Abebe Temesgen Ayalew","doi":"10.1016/j.nhres.2024.02.003","DOIUrl":"10.1016/j.nhres.2024.02.003","url":null,"abstract":"<div><div>Ineffective urban stormwater management causes increased surface runoff, and impacts on infrastructure and human life. However, urban stormwater condition is not quantified in Arba Minch area, which cause significant damage on the infrastructures as residence and roads. Therefore, the main objective of this study is to evaluate the condition of urban stormwater under different runoff conditions using Stormwater Management Model (SWMM) in Arba Minch town, specifically Sekela sub city. A combination of field, satellite, observed and laboratory test-based data on drainage systems, infiltration and % imperviousness was collected. The catchment is divided into 47 sub-catchments depend on the building block, flow direction, and drainage networks. The sub-catchments with the average surface runoff revealed 0.07 ​m<sup>3</sup>/s, 0.14 ​m<sup>3</sup>/s, 0.25 ​m<sup>3</sup>/s, 0.65 ​m<sup>3</sup>/s, and 0.75 ​m<sup>3</sup>/s over a 2-year, 5-year, 10-year, 25-year, and 30-year return period, respectively. The maximum nodes flooded occur at junctions’ number (J7, J8, J24, and J25), as well as conduits (C14, C18, and C27), according to simulation findings of 2-year return period design rainfall which align with the major cause area. For return periods of 2, 5, 10, 25, and 30 years, the peak runoff result was greatest in sub-catchments SC-1, SC-6, SC-8, SC-9, and SC-30. This depicts sub-catchments in the area are flooded, hence resizing of canals and other drainage structures are necessary to mitigate the stormwater. The SWMM simulated results for 2-year, 5-year, 10-year, 25-year, and 30-year return periods showed peak runoff was greatest in sub-catchments No.8, 1, 6, 30, and 9 because of the slope of the sub-catchment and their large area with high percent imperviousness that results in less infiltration into the soil. The finding of this study shows a rapid increase in surface runoff, which mainly related to impermeable surface and inadequate urban drainage systems leading to damage to infrastructures and properties. This study suggests, a mitigation measures should be adopted to minimize the effect of stormwater using stormwater various intervention approaches following multi program combined with various runoff condition which is very important for road protection authorities, decision makers, and the scientific community to support future water related researches.</div></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 4","pages":"Pages 616-632"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140462827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Desalination of oil field produced water using ion exchange system: As a remediation environmental hazard 利用离子交换系统对油田采出水进行脱盐处理:作为环境危害的补救措施
Natural Hazards Research Pub Date : 2024-12-01 DOI: 10.1016/j.nhres.2024.01.009
Riku Dutta , Sultana Parveen Ahmed , Swapan Dolui , Bidhan Chandra Ray
{"title":"Desalination of oil field produced water using ion exchange system: As a remediation environmental hazard","authors":"Riku Dutta ,&nbsp;Sultana Parveen Ahmed ,&nbsp;Swapan Dolui ,&nbsp;Bidhan Chandra Ray","doi":"10.1016/j.nhres.2024.01.009","DOIUrl":"10.1016/j.nhres.2024.01.009","url":null,"abstract":"<div><div>In this study, a novel integrated ion exchange resin system has been developed to remove salts from hazardous wastewater. Amberlite IR 120 and amberlite IR 400 have been used as the cation exchange and the anion exchange resins respectively which exchange the cations and the anions from the wastewater and consequently make the water free from salts. The adsorption isotherms were studied for both Langmuir and Freundlich models and the adsorption kinetics were established. Amberlite IR 120 and amberlite IR 400 showed excellent adsorption capacities of 161.29 ​mg/g and 233.64 ​mg/g respectively. The regeneration of the resins was also studied and it was found that the resin system could be used multiple times in the desalting process. The resins were further analyzed by FTIR and EDX. The salinity of oil field produced water depends largely on the geochemistry of the producing formations which are harmful or toxic in nature. Thus, this ion exchange resin system can effectively reduce the salinity of the oil field produced water and make it suitable for oil and gas production purposes and various industrial applications.</div></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 4","pages":"Pages 596-603"},"PeriodicalIF":0.0,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139882357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Socioeconomic impacts of flooding and its coping strategies in Nigeria: Evidence from Dagiri community, Gwagwalada area council of Abuja 尼日利亚洪水的社会经济影响及其应对策略:阿布贾 Gwagwalada 地区委员会 Dagiri 社区的证据
Natural Hazards Research Pub Date : 2024-09-01 DOI: 10.1016/j.nhres.2023.09.010
{"title":"Socioeconomic impacts of flooding and its coping strategies in Nigeria: Evidence from Dagiri community, Gwagwalada area council of Abuja","authors":"","doi":"10.1016/j.nhres.2023.09.010","DOIUrl":"10.1016/j.nhres.2023.09.010","url":null,"abstract":"<div><p>Dagiri, a community in the Gwagwalada area council, has been ravaged by floods. The most recent which took place on 25th July 2020 was devastating and had severe impacts on the community. This study focuses on the socioeconomic implications of the 2020 flood in the Dagari community. To achieve the specific objectives, a number of methodologies were employed such as map analysis, questionnaire survey, oral interviews, and site observations. Presentation of results was done using percentages, tables, bar graphs, pie charts, and photos. The land cover is mostly residential with urban infrastructures. A flood hazard map was created from which analysis revealed that about 87% of the area is at risk of flooding, though the severity of vulnerability varies from low vulnerable areas to highly vulnerable risk zones. The socioeconomic impacts were duly measured using some sustainable development indicators, and the result revealed that flooding had numerous socio-economic impacts on the community, ranging from income, education, agriculture, sanitation, infrastructures, and properties. The coping strategies adopted by some community members were also very inadequate, while a high number of them are not employing any coping strategies at all. Therefore, we recommend regulated and scientifically coordinated aggregate mining from the river and relocation of households living in high-risk flood zones. The government should invest more in flood (disaster) management with the recent challenge of climate change.</p></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 3","pages":"Pages 374-386"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666592123000938/pdfft?md5=ac873fcae82160b9d0670c82e166b5b9&pid=1-s2.0-S2666592123000938-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134915069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Source characteristics of earthquakes in Delhi and its vicinity: Implications for seismogenesis in the stable continental region of India 德里及其附近地区地震的震源特征:对印度稳定大陆地区地震发生的影响
Natural Hazards Research Pub Date : 2024-09-01 DOI: 10.1016/j.nhres.2023.11.003
{"title":"Source characteristics of earthquakes in Delhi and its vicinity: Implications for seismogenesis in the stable continental region of India","authors":"","doi":"10.1016/j.nhres.2023.11.003","DOIUrl":"10.1016/j.nhres.2023.11.003","url":null,"abstract":"<div><p>Delhi and its surrounding region are among the important intraplate seismically active regions of India. According to the Bureau of Indian Standards, it lies in seismic zone IV and is capable of generating small to moderate earthquakes. This region has also experienced moderate to large earthquakes in the past due to its proximity to the Himalayan arc and its own tectonics. There is an urgent need to assess the source characteristics of earthquakes and their scaling relationships for a reliable and accurate estimation of seismic hazard. Source parameters and their scaling relations have been estimated for this region using well-located small to moderate earthquakes (<em>Mw</em> 2.3–5.1) that occurred during the period from 2000 to 2020. For this purpose, we investigated three components of earthquake waveform data using the <em>ω</em><sup><em>−2</em></sup> source model. The outcomes show the occurrence of low static stress drop (0.5–52.87 ​bars) in the Delhi region indicating approximately 57% of the events exhibit a stress drop &lt; 10 ​bars, 27 % of events fall in the range of 10–20 ​bars, and only 16 % events exhibit stress drop &gt; 20 ​bars. This observation suggests that the shallow subsurface of the study region may have low-strength material characteristics and a heterogeneous nature. In addition, the Zuniga parameter (<em>ε</em>) is estimated less than 1.0 by analyzing static and apparent stress drops, which infers the partial stress drop model fits very well in the study region. The seismic moment varies from 1.02×10<sup>12</sup> to 1.03×10<sup>16</sup> ​N.m. for <em>P</em>-wave and 6.46×10<sup>11</sup> Nm to 7.54×10<sup>15</sup> Nm for <em>S</em>-wave. The average seismic source radius lies in the range of 0.1–3.05 ​km with a ratio {<em>r(p)/r(s)}</em> of 1.5 ​km in the study region. The estimated values of corner frequency are comparatively lower for the <em>S</em>-wave (1.5–18.2 ​Hz) than for the <em>P</em>-wave (1.88–19.3 ​Hz) suggesting the ‘shifting properties’ of the corner frequency corroborated with the theoretical agreement. The seismic energy (<em>E</em>) is estimated using both <em>P</em>- and <em>S</em>-wave separately and its average value varies from 4.28×10<sup>6</sup> to 6.22×10<sup>11</sup> ​J. The estimated stress drop and seismic moment demonstrate no correlation with each other. Therefore small to moderate-size earthquakes inherently follow the self-similarity behavior. The obtained scaling relationship between Seismic Moment and Corner Frequency is <span><math><mrow><msub><mi>M</mi><mi>o</mi></msub><mrow><mo>=</mo><mn>7.94</mn><mo>∗</mo></mrow><msup><mn>10</mn><mn>15</mn></msup><msubsup><mi>f</mi><mi>c</mi><mrow><mo>−</mo><mn>2.97</mn></mrow></msubsup></mrow></math></span>. The derived scaling relations and source parameters are expected to provide a priori information for the assessment of seismic hazards and are useful in the simulation of strong ground motion characteristics in the region.</p></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 3","pages":"Pages 448-458"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666592123001130/pdfft?md5=dfd75fcf618077349e5e28a069efa997&pid=1-s2.0-S2666592123001130-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135614159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Risk analysis of road networks under the influence of landslides by considering landslide susceptibility and road vulnerability: A case study 通过考虑滑坡易发性和道路脆弱性,对滑坡影响下的道路网络进行风险分析:案例研究
Natural Hazards Research Pub Date : 2024-09-01 DOI: 10.1016/j.nhres.2023.09.013
{"title":"Risk analysis of road networks under the influence of landslides by considering landslide susceptibility and road vulnerability: A case study","authors":"","doi":"10.1016/j.nhres.2023.09.013","DOIUrl":"10.1016/j.nhres.2023.09.013","url":null,"abstract":"<div><p>Landslides are the most common natural hazards and can cause casualties and damage forests, roads, water conservancy, hydropower, and other infrastructure. Road networks are essential components of critical infrastructure networks. Damage from natural disasters significantly impact the production and life in the region. It is important to evaluate the risk of road networks under landslides. In this paper, we investigate the risk of road networks under the influence of landslides in six counties adjacent to Sichuan Province and Yunnan Province by considering landslide susceptibility and road vulnerability. First, according to the characteristics of the study area, six evaluation indicators were selected for landslide susceptibility and road network vulnerability. Second, the combination weighting method is used to assign the weight of each evaluation index. Finally, the risk analysis results combining landslide susceptibility and road network vulnerability are obtained using the landslide risk formula. The research work presented in this paper can help reduce the property loss caused by landslides and realize the timely identification and protection of high-risk road sections.</p></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 3","pages":"Pages 387-400"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666592123000951/pdfft?md5=70339f712043ebdb71fe60a4ff38c88f&pid=1-s2.0-S2666592123000951-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135638063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristics of Western Disturbance intensification and associated induced circulations over the Indian Region 印度地区西部扰动加强和相关诱导环流的特征
Natural Hazards Research Pub Date : 2024-09-01 DOI: 10.1016/j.nhres.2023.12.002
{"title":"Characteristics of Western Disturbance intensification and associated induced circulations over the Indian Region","authors":"","doi":"10.1016/j.nhres.2023.12.002","DOIUrl":"10.1016/j.nhres.2023.12.002","url":null,"abstract":"<div><p>Western Disturbances (WD) are significantly important weather systems causing precipitation in the Western Himalayan region during Indian Winter months. WDs have two major components-the eastward propagating upper-level trough originating in the mid-latitudes and the low-level Induced Circulation (IC) prevailing over the Northern Indo-Pak region. The present work aims to study the genesis and movement of these upper-level systems using composite analysis of 10 WD events during the Indian winter season that caused extreme precipitation over the western Himalayan region with emphasize on associative mechanisms leading to the IC. Further, we find that the Meridional Temperature Gradient (MTG) is responsible for the development of extra-tropical storms initiated by frontal genesis over the mid-latitude regions. The frontal genesis occurs due to the polar cold air outbreak (CAO) over higher latitudes, causing meandering of the jet stream and leading to the development of the upper-level perturbation that intensifies into a trough. Prior to the IC intensification, the upper-level moisture transport dominates, and during the intensification process, the combined effect of the upper-level trough and IC facilitates a drastic increase in moisture flux from the Arabian Sea at the lower levels. The moisture transport from the Arabian Sea is, therefore, a primary precursor to heavy precipitation in the Himalayan vicinity due to rapid vertical ascent and intense cloud formation because of orographic effects.</p></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 3","pages":"Pages 486-497"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666592123001257/pdfft?md5=67c86d5b78e199db332f02759a8f43ce&pid=1-s2.0-S2666592123001257-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138625008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Extreme weather events (EWEs)-Related health complications in Bangladesh: A gender-based analysis on the 2017 catastrophic floods 孟加拉国与极端天气事件(EWEs)相关的健康并发症:基于性别的 2017 年灾难性洪水分析
Natural Hazards Research Pub Date : 2024-09-01 DOI: 10.1016/j.nhres.2023.10.006
{"title":"Extreme weather events (EWEs)-Related health complications in Bangladesh: A gender-based analysis on the 2017 catastrophic floods","authors":"","doi":"10.1016/j.nhres.2023.10.006","DOIUrl":"10.1016/j.nhres.2023.10.006","url":null,"abstract":"<div><p>Floods are major Extreme Weather Events (EWEs) that are more frequent and intense. Floods has multifarious dire impacts on human health, but health implications of floods are limitedly examined from a gender lens, particularly in the context of developing countries, like Bangladesh. Floods periodically hit in Bangladesh. The 2017 was a catastrophic year for Bangladesh. The year experienced two consecutive floods that were more catastrophic in the last couple of decades and direly affected 24 districts of the country. The floods resulted in health stress and intensifying exposure to manifold health vulnerabilities. Our study aimed to investigate gendered health complications caused by the floods and the impacts of the confluence of the floods and vulnerabilities relating to water, sanitation, health care facilities on reproductive health. To explore gendered dimensions of health, we conducted 280 household surveys, 4 Focus Group Discussions, 4 In-Depth Interviews, and 6 Key Informant Interviews within the framework of mixed-method research in a northern flood-prone district named Jamalpur. Our findings showed that 84.6% of the respondents stated water gets polluted during floods, and 69.6% identified polluted water as a major challenge while collecting water during floods. Due to living with polluted floodwater, fever (66.4%) and diarrheal diseases (55.4%) were most common among women. In respect to reproductive health, 75% of the females reported improper menstrual management causing mental shocks and vaginal infections; over 66.4% females noted remaining without any measures. To mitigate health vulnerability, majority of the rural women (78.6%) encountered challenges – including the dearth of available medicine and poor transportation and communication. Health vulnerability also increased when poor communities failed to afford the cost of medicine because of poor economic condition and food insecurity. Consequently, our study recommends for fostering health education and the immediate deployment of health care facilities on an emergency basis to reduce health complications, especially among marginal groups (e.g., women and children). Future research can explore how the intersection of economic insecurity and flood whet differential health complications among poor and non-poor.</p></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 3","pages":"Pages 434-447"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666592123001014/pdfft?md5=aeb2db4d69263e8f6e809e5da145b4f7&pid=1-s2.0-S2666592123001014-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136053570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adaptation planning for climate change: An application of the advanced bibliometric analytical framework 气候变化适应规划:应用先进的文献计量学分析框架
Natural Hazards Research Pub Date : 2024-09-01 DOI: 10.1016/j.nhres.2023.11.005
{"title":"Adaptation planning for climate change: An application of the advanced bibliometric analytical framework","authors":"","doi":"10.1016/j.nhres.2023.11.005","DOIUrl":"10.1016/j.nhres.2023.11.005","url":null,"abstract":"<div><p>There has been a surge in research on adaptation planning to address climate change and its effects. This study conducted a bibliometric analysis of the keywords “adaptation planning” and “climate change” to determine the level of research being undertaken using a proposed Advanced Bibliometric Analytical Framework (ABAF). ABAF intends to overcome the inconsistency and vagueness surrounding the existing bibliometric analytical frameworks. Three types of analyses, namely performance analysis, rank analysis, and scientific mapping, were carried out on a dataset of 1087 research articles retrieved from the Web of Science database. The study found contributions from 1515 institutions and 116 countries. Most studies were published in English and Chinese languages only. An upward trend was observed in the number of publications per year, with 135 being the highest number recorded in 2021, emphasizing SDG13: Climate Action, followed by SDGs 6, 15, and 14. Findings show adaptation planning as a trending discourse in the impact reduction of climate extreme events. The results of this study can serve as a foundation for future research on adaptation planning for climate change. Additionally, ABAF can be applied in any bibliometric analytical study, and the framework could be expanded to include additional analysis typologies and metrics to enhance its comprehensiveness.</p></div>","PeriodicalId":100943,"journal":{"name":"Natural Hazards Research","volume":"4 3","pages":"Pages 459-469"},"PeriodicalIF":0.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666592123001154/pdfft?md5=c7c1b743fbce81b01187906cd4e41925&pid=1-s2.0-S2666592123001154-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139303303","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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