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A review on machine learning models for drought monitoring and forecasting 干旱监测与预报机器学习模型研究进展
IF 5 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100758
Ahmedbahaaaldin Ibrahem Ahmed Osman , Nouar AlDahoul , Kai Lun Chong , Yuk Feng Huang , Jing Lin Ng , Ahmed Elshafie , Mohsen Sherif , Ali Najah Ahmed
Drought, driven by shifting climate patterns, increasingly threatens hydropower, agriculture, and water supply systems, necessitating robust early detection and forecasting frameworks. This review critically examines recent machine learning (ML) approaches to drought prediction, focusing on meteorological, hydrological, and agricultural drought types across diverse temporal and spatial scales. We analyze the influence of input variables, such as precipitation, streamflow, climate indices, and remote sensing data, on model performance, and identify key trends including the rise of hybrid and deep learning models for capturing nonlinear dependencies and long-term patterns. Unique contributions include a comparative evaluation of model interpretability, scalability, and data requirements, as well as the identification of persistent gaps such as limited regional transferability and underrepresentation of socio-environmental factors. By proposing a framework for selecting optimal models based on data availability, complexity, and operational constraints, this review offers actionable insights for researchers and policymakers seeking to develop adaptive, context-aware drought mitigation strategies that ensure long-term water sustainability.
气候模式变化导致的干旱日益威胁水电、农业和供水系统,因此需要强有力的早期检测和预测框架。这篇综述严格审查了最近的机器学习(ML)干旱预测方法,重点关注不同时空尺度的气象、水文和农业干旱类型。我们分析了输入变量(如降水、流量、气候指数和遥感数据)对模型性能的影响,并确定了关键趋势,包括用于捕获非线性依赖关系和长期模式的混合和深度学习模型的兴起。独特的贡献包括对模型可解释性、可扩展性和数据需求的比较评估,以及对持续差距的识别,如有限的区域可转移性和社会环境因素代表性不足。通过提出一个基于数据可用性、复杂性和操作约束选择最佳模型的框架,本综述为寻求制定适应性、情境感知的干旱缓解战略以确保长期水资源可持续性的研究人员和政策制定者提供了可行的见解。
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引用次数: 0
Does livelihood risk matter in disaster preparedness? Insights from flood risk areas of rural China 生计风险在备灾中重要吗?来自中国农村洪涝风险地区的洞察
IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100705
Wei Liu , Pengfei Qi , Jie Xu , Marcus Feldman , Dingde Xu
Farmers in flood-risk areas are exposed to disruptions in their daily production and livelihood operations. However, disaster preparedness can reduce risk and minimize household losses, thereby increasing livelihood sustainability for farming families. Although sustainable livelihoods and disaster preparedness of farmers have been categorized, few studies have explored the correlation between livelihood risk and disaster preparedness. This study examines survey data from 540 farming family households in the three counties Gaoxian, Jiajiang, and Yuechi, which are affected by floods. We consider four distinct types of livelihood risks faced by farmers and three categories of disaster preparedness in the study area and construct a Tobit regression model to test the correlation between livelihood risk and disaster preparedness. The results show (1) a significant correlation between livelihood risk and disaster preparedness among farmers; (2) health risk is positively correlated with farmers’ physical preparedness; (3) social risk is negatively correlated with farmers’ physical, knowledge and skills, and overall disaster preparedness; and (4) financial risk is negatively correlated with farmers’ overall disaster preparedness. Our findings may assist in disaster preparedness and in policy formulation pertaining to flood risk management.
洪水危险地区的农民的日常生产和生计活动受到干扰。然而,备灾可以减少风险,最大限度地减少家庭损失,从而提高农民家庭生计的可持续性。虽然可持续生计与农民备灾已被分类,但很少有研究探讨生计风险与备灾之间的相关性。本研究以高县、嘉江、岳池三县受洪水影响的540户农户为调查对象。考虑研究区农民面临的四种不同类型的生计风险和三种不同类型的备灾,构建Tobit回归模型检验生计风险与备灾之间的相关性。结果表明:(1)农户生计风险与备灾之间存在显著相关;(2)健康风险与农民身体准备程度呈正相关;(3)社会风险与农民身体素质、知识技能和整体备灾能力呈负相关;(4)财务风险与农户整体备灾能力呈负相关。我们的研究结果可能有助于灾害准备和与洪水风险管理有关的政策制定。
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引用次数: 0
Adaptive capacity management in municipalities in the Semiarid region of Brazil: Application of a composite index 巴西半干旱地区市政当局的适应性能力管理:综合指数的应用
IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100696
Yonara Claudia dos Santos , Zoraide Souza Pessoa
The balance between urban growth and global environmental and climate challenges, as well as their local implications, is a fundamental contemporary concern, and often neglected in government agendas at a local scale. The integration of these issues into urban and territorial planning is still incipient in the Brazilian context, especially in smaller cities and in regions such as the Semiarid region of Brazil, where socioeconomic challenges are particularly sensitive to climate impacts. This study diagnoses the adaptive capacity of local management in the Brazilian Semiarid region, revealing high vulnerability and low adaptive capacity that reflect inadequate integration of socio-environmental and climatic issues, as assessed through the Adaptive Capacity Management Index (IGCA). The method used is based on data from the Municipal Basic Information Survey (Munic/IBGE) and operates on a scale from 0 to 1, segmented into five strata corresponding to classification levels ranging from classification levels ranging from “very low” to “very high”. The “very high” stratum indicates a more critical scenario in terms of threats and vulnerabilities, while the “very low” stratum indicates deficiencies in risk management and adaptive capacity. IGCA scores ranged from 0.137 to 0.442, with 76% of municipalities classified as having low adaptive capacity. The operationalization is conducted through weighted variables and the additive approach of the Multi-Criteria Decision Making (MCDM) method using GIS software to map threats, vulnerabilities and adaptive management measures to climate change. The results obtained in 21 municipalities in the Piancó-Piranhas-Açu River basin, located in the state of Rio Grande do Norte, Northeast Brazil, reveal a high exposure to climate threats, particularly in relation to social vulnerability. This vulnerability is evident not only in the studied municipalities but likely throughout the region. Given this scenario of high vulnerability and low adaptive capacity, significant efforts are needed to improve the adaptation and resilience capacity of these regions, including a more integrated approach to climate risk management, strengthening local governance and raising awareness of the importance of integrating climate and environmental issues in government policies.
城市发展与全球环境和气候挑战之间的平衡,以及它们对地方的影响,是当代的一个基本问题,但在地方层面的政府议程中往往被忽视。在巴西,将这些问题纳入城市和领土规划仍处于起步阶段,特别是在巴西的小城市和半干旱地区,这些地区的社会经济挑战对气候影响特别敏感。本研究诊断了巴西半干旱区当地管理的适应能力,揭示了通过适应能力管理指数(IGCA)评估的高脆弱性和低适应能力,反映了社会环境和气候问题的不充分整合。所使用的方法基于市政基本信息调查(Munic/IBGE)的数据,并按照从0到1的等级进行操作,分为五个层,对应从“非常低”到“非常高”的分类级别。“非常高”的层次表明在威胁和脆弱性方面的情况更为严重,而“非常低”的层次表明在风险管理和适应能力方面存在缺陷。IGCA得分从0.137到0.442不等,76%的城市被列为低适应能力。利用GIS软件对气候变化威胁、脆弱性和适应性管理措施进行映射,通过加权变量和多准则决策(MCDM)方法的加性方法进行操作。在巴西东北部北巴西大州Piancó-Piranhas-Açu河流域的21个城市获得的结果显示,该地区极易受到气候威胁,特别是在社会脆弱性方面。这种脆弱性不仅在所研究的城市很明显,而且可能在整个区域都很明显。鉴于这种高脆弱性和低适应能力的情景,需要付出巨大努力来提高这些地区的适应和恢复能力,包括采取更综合的气候风险管理方法,加强地方治理,提高将气候和环境问题纳入政府政策的重要性意识。
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引用次数: 0
Identifying summer energy poverty and public health risks in a temperate climate 确定夏季能源贫困和温带气候下的公共卫生风险
IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100698
Zhiting Chen , Kimberley Clare O’Sullivan , Rachel Kowalchuk Dohig , Nevil Pierse , Terence Jiang , Mylène Riva , Runa Das
Understanding the health risks associated with indoor overheating and the impacts of cooling energy poverty during summer is becoming increasingly urgent as anthropogenic climate change intensifies heatwave events in many places. We report on results from a cross-sectional postal survey undertaken in Summer 2021/2022, conducted in five regions of New Zealand that typically experience some of the highest temperatures nationally. The study revealed that energy poverty is significant issue during summer, with 43% of the respondents identifying cost as a cooling restriction. Indoor overheating commonly affected the health and wellbeing of participants, with 63% reporting adverse health outcomes. Households citing cost as a cooling restriction were significantly more likely to report adverse health outcomes. Renters and indigenous Māori households were disproportionately affected by indoor overheating and the associated health and energy inequities. These findings highlight the growing health risks from indoor heat exposure in warming climatesparticularly in temperate countries like New Zealand, where inhabitants and infrastructure are not adequately prepared to handle heat-related risks. Relying solely on energy-intensive active cooling exacerbates energy poverty and injustice, increasing residential energy demand. Policy interventions should focus on promoting passive, energy-efficient, and sustainable cooling strategies to protect vulnerable populations from heat-related health disparities.
随着人为气候变化加剧了许多地方的热浪事件,了解与室内过热和夏季制冷能源匮乏相关的健康风险变得越来越紧迫。我们报告了2021/2022年夏季进行的一项横断面邮政调查的结果,该调查在新西兰的五个地区进行,这些地区通常是全国气温最高的地区。研究显示,能源匮乏是夏季的一个重要问题,43%的受访者认为成本是制冷的限制因素。室内过热通常会影响参与者的健康和福祉,63%的人报告了不利的健康结果。将成本作为制冷限制因素的家庭更有可能报告不利的健康后果。租房者和土著Māori家庭不成比例地受到室内过热以及相关的健康和能源不平等的影响。这些发现突出表明,在气候变暖的情况下,室内热暴露对健康的危害越来越大,尤其是在像新西兰这样的温带国家,那里的居民和基础设施没有充分准备好应对与热有关的风险。仅仅依靠能源密集型主动冷却加剧了能源贫困和不公平,增加了住宅能源需求。政策干预应侧重于促进被动、节能和可持续的制冷战略,以保护弱势群体免受与热有关的健康差异的影响。
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引用次数: 0
Identifying transformative decisions: A dual approach to adaptation pathways design using forward-exploration and backcasting 识别变革性决策:采用前向探索和反向预测设计适应路径的双重方法
IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100716
Noor ten Harmsen van der Beek , Renske de Winter , Esther van Baaren , Ferdinand Diermanse , Arno Nolte , Marjolijn Haasnoot
Adaptation is needed to keep deltas and coastal zones liveable under changing climatic and socio-economic conditions. To date, adaptation is mostly small scale with incremental adaptation measures, while in some areas more fundamental transformative decisions are required in the future, such as changing objectives and land use. Here, we introduce an adaptation pathways method that uses forward-exploration and backcasting to study the impact of fundamental decisions on the solution space. For this, we extend the Dynamic Adaptive Pathways Planning (DAPP) approach and refer to this as DAPP-Δ (DAPP-delta) with Δ representing the fundamental decisions. Following the traditional DAPP approach, we explore alternative sequences of adaptation measures to continue to achieve objectives under changing conditions. New to the method is the backcasting of critical implementation paths from different envisioned future states, including changes in land use. Additionally, we identify synergies and conflicts between the forward-looking pathways and backcasting implementation paths. We use the southwest of the Netherlands as an illustrative case study. In this region, multiple adaptation tipping points are projected due to sea-level rise and economic changes, while simultaneously large-scale investments in aging infrastructure are expected. The results show that the DAPP-Δ method a) helps to identify pivotal adaptation decisions that goes beyond incremental adaptation and includes transformative decisions; b) effectively reveals the risk of maladaptation; and c) illustrates the necessity to include multiple changes in the analysis, as they together determine investments in the area and with that the solution space.
为了在不断变化的气候和社会经济条件下保持三角洲和沿海地区的宜居性,需要采取适应措施。到目前为止,适应主要是小规模的、渐进的适应措施,而在一些领域,未来需要更根本的变革决策,如改变目标和土地利用。在此,我们引入了一种适应路径方法,该方法使用正向探索和反向推算来研究基本决策对解空间的影响。为此,我们扩展了动态自适应路径规划(DAPP)方法,并将其称为DAPP-Δ (DAPP-delta),其中Δ表示基本决策。在传统DAPP方法的基础上,我们探索了适应措施的替代序列,以在不断变化的条件下继续实现目标。该方法的新特点是回溯不同设想的未来状态的关键实施路径,包括土地利用的变化。此外,我们还确定了前瞻性路径和回溯实施路径之间的协同作用和冲突。我们使用荷兰西南部作为一个说明性的案例研究。在该地区,由于海平面上升和经济变化,预计将出现多个适应临界点,同时预计将对老化的基础设施进行大规模投资。结果表明,DAPP-Δ方法a)有助于识别超越增量适应的关键适应决策,包括变革性决策;B)有效地揭示不适应的风险;c)说明了在分析中包含多个变更的必要性,因为它们共同决定了在该领域的投资以及解决方案空间。
{"title":"Identifying transformative decisions: A dual approach to adaptation pathways design using forward-exploration and backcasting","authors":"Noor ten Harmsen van der Beek ,&nbsp;Renske de Winter ,&nbsp;Esther van Baaren ,&nbsp;Ferdinand Diermanse ,&nbsp;Arno Nolte ,&nbsp;Marjolijn Haasnoot","doi":"10.1016/j.crm.2025.100716","DOIUrl":"10.1016/j.crm.2025.100716","url":null,"abstract":"<div><div>Adaptation is needed to keep deltas and coastal zones liveable under changing climatic and socio-economic conditions. To date, adaptation is mostly small scale with incremental adaptation measures, while in some areas more fundamental transformative decisions are required in the future, such as changing objectives and land use. Here, we introduce an adaptation pathways method that uses forward-exploration and backcasting to study the impact of fundamental decisions on the solution space. For this, we extend the Dynamic Adaptive Pathways Planning (DAPP) approach and refer to this as DAPP-Δ (DAPP-delta) with Δ representing the fundamental decisions. Following the traditional DAPP approach, we explore alternative sequences of adaptation measures to continue to achieve objectives under changing conditions. New to the method is the backcasting of critical implementation paths from different envisioned future states, including changes in land use. Additionally, we identify synergies and conflicts between the forward-looking pathways and backcasting implementation paths. We use the southwest of the Netherlands as an illustrative case study. In this region, multiple adaptation tipping points are projected due to sea-level rise and economic changes, while simultaneously large-scale investments in aging infrastructure are expected. The results show that the DAPP-Δ method a) helps to identify pivotal adaptation decisions that goes beyond incremental adaptation and includes transformative decisions; b) effectively reveals the risk of maladaptation; and c) illustrates the necessity to include multiple changes in the analysis, as they together determine investments in the area and with that the solution space.</div></div>","PeriodicalId":54226,"journal":{"name":"Climate Risk Management","volume":"48 ","pages":"Article 100716"},"PeriodicalIF":4.8,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143899525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-stationary precipitation design standards for stormwater infrastructure modernization at USAF installations 美国空军设施雨水基础设施现代化的非固定降水设计标准
IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100718
Douglas C. Jaks , Ashish Shrestha , Christopher M. Chini
The resilience of defense infrastructure systems to a changing climate is critical for national security. Climate induced recurrent flooding is already impacting over 20 U.S. Air Force installations, underscoring the urgency of revisiting precipitation standards and stormwater infrastructure design. Despite growing scientific knowledge and an expanding set of tools for updating outdated precipitation standards based on the assumption of climate stationarity, the adoption of climate informed analyses remain limited in practice. This study utilizes an existing framework to update Intensity (or Depth)-Duration-Frequency (DDF) curves using an ensemble of future climate projections. Change factors in precipitation estimates are derived and applied to six USAF installations across the U.S. The analysis is further extended to evaluate the implications of climate-informed DDFs on stormwater infrastructure performance and flood analysis at Tyndall AFB. Results indicate that the current design precipitation estimates are likely to become obsolete in all six USAF bases by the end of the century. The wide range of change factors across 32 GCM ensembles highlights the need to integrate uncertainty and evolving scientific data into infrastructure planning. The study also finds that the impacts of a changing climate vary spatially and temporally, emphasizing the value of localized analysis for infrastructure decision-making. The work advances ongoing DoD and societal efforts to implement adaptation strategies aimed at enhancing infrastructure resilience.
国防基础设施系统对气候变化的适应能力对国家安全至关重要。气候引起的经常性洪水已经影响了20多个美国空军设施,强调了重新制定降水标准和雨水基础设施设计的紧迫性。尽管科学知识不断增长,基于气候平稳性假设的过时降水标准的更新工具也越来越多,但在实践中采用气候信息分析仍然有限。本研究利用现有框架,利用未来气候预测的集合更新强度(或深度)-持续时间-频率(DDF)曲线。降水估算中的变化因子被导出并应用于美国六个空军基地。该分析进一步扩展到评估气候信息ddf对廷德尔空军基地雨水基础设施性能和洪水分析的影响。结果表明,到本世纪末,目前的设计降水估计可能在所有六个美国空军基地中过时。32个GCM整体的变化因素范围广泛,突出了将不确定性和不断发展的科学数据整合到基础设施规划中的必要性。研究还发现,气候变化的影响在空间和时间上存在差异,强调了基础设施决策的本地化分析的价值。这项工作推进了正在进行的国防部和社会努力,以实施旨在增强基础设施弹性的适应战略。
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引用次数: 0
From climate risk to action: Analysing adaptation decision robustness under uncertainty 从气候风险到行动:不确定性下的适应决策稳健性分析
IF 5 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100751
Cecina Babich Morrow , Laura Dawkins , Francesca Pianosi , Dennis Prangle , Dan Bernie
Climate adaptation decisions are made under great uncertainty, arising from uncertainties about both the level of climate risk and the attributes of decision options. Decision-makers must understand how uncertainties in the input factors of risk assessment and decision models affect the ultimate adaptation decision, and whether the modelling yields a robust decision, i.e. one that is consistently identified as optimal over a range of uncertain input factors. Here, we present a framework for analysing the robustness of climate adaptation decisions. We apply a Bayesian Decision Analysis framework to determine the optimal output decision in a region based on both climate risk and decision-related attributes. Then, we present an approach for performing global uncertainty and sensitivity analysis on the optimal adaptation decision itself to assess robustness and understand which input factors most influence the decision in a particular region. We demonstrate this framework on an idealised example of adaptation decision-making to mitigate the risk of heat-stress on outdoor physical working capacity in the UK. In this application, we find that regions with high uncertainty in climate risk can still exhibit greater robustness in the optimal decision, and the decision is often more sensitive to variations in decision-related attributes rather than risk-related attributes. Previous research often stops short at assessing uncertainty and sensitivity in climate risk alone. These results highlight the necessity of conducting uncertainty and sensitivity analysis on the ultimate decision output itself in order to understand what factors drive decision robustness.
由于气候风险水平和决策选择属性的不确定性,气候适应决策是在很大的不确定性下做出的。决策者必须了解风险评估和决策模型的输入因素的不确定性如何影响最终的适应决策,以及建模是否产生稳健决策,即在一系列不确定的输入因素中始终被确定为最优决策。在这里,我们提出了一个框架来分析气候适应决策的稳健性。我们应用贝叶斯决策分析框架,在气候风险和决策相关属性的基础上确定一个地区的最优产出决策。然后,我们提出了一种对最优适应决策本身进行全局不确定性和敏感性分析的方法,以评估鲁棒性并了解哪些输入因素对特定区域的决策影响最大。我们在一个理想化的适应决策的例子上展示了这个框架,以减轻英国户外体力工作能力的热应激风险。在此应用中,我们发现气候风险不确定性较高的地区在最优决策中仍然表现出更强的鲁棒性,并且决策往往对决策相关属性的变化比风险相关属性的变化更敏感。以往的研究往往在评估气候风险的不确定性和敏感性方面止步不前。这些结果强调了对最终决策输出本身进行不确定性和敏感性分析的必要性,以便了解驱动决策鲁棒性的因素。
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引用次数: 0
Factors affecting the application of protective measures before flood occurrence among local communities in Iran 影响伊朗当地社区在洪水发生前采取保护措施的因素
IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100730
Esmaiel Askari , Moslem Savari , Marzieh Rezaei
Floods rank among the most destructive natural hazards, inflicting extensive damage on rural areas by compromising infrastructure, destroying crops, and undermining livelihoods. Beyond the immediate economic losses, such events often trigger rural outmigration and erode social cohesion. Effective flood prevention strategies are therefore critical and can be advanced through public awareness campaigns, the reinforcement of social capital, the development of flood-resilient infrastructure, and the implementation of integrated crisis management plans. Despite the importance of these measures, previous research has largely concentrated on assessing community vulnerability, with limited attention given to proactive protective factors. Addressing this gap, the present study aims to identify the determinants influencing the adoption of protective measures among rural communities in Iran prior to flood events. The statistical population of this study comprised all rural households in Shushtar County, located in Khuzestan Province, southwest Iran. A sample of 353 rural household heads was selected using the Krejcie and Morgan table, applying a multi-stage stratified sampling method to ensure representation across different villages. Data were collected through a structured questionnaire, the validity of which was confirmed by a panel of subject matter experts, while reliability was assessed using Cronbach’s alpha coefficient. Data analysis was conducted in two phases—descriptive and inferential statistics—using SPSS and SmartPLS software. The findings demonstrated that the variables of psychological distance, social media use, place attachment, flood experience, social capital, and flood risk perception had significant and positive effects on protective behaviors prior to flooding. Collectively, these variables accounted for 76.3% of the variance in protective measures. These findings offer critical insights for policymakers seeking to enhance the resilience and safety of rural communities in flood-prone regions. By proactively addressing flood risks, such measures can contribute to the sustainability of rural livelihoods and the strengthening of local resilience.
洪水是最具破坏性的自然灾害之一,通过破坏基础设施、摧毁作物和破坏生计,对农村地区造成广泛破坏。除了直接的经济损失外,这类事件往往引发农村人口外流,侵蚀社会凝聚力。因此,有效的防洪战略至关重要,可以通过提高公众意识、加强社会资本、发展抗洪基础设施以及实施综合危机管理计划来推进。尽管这些措施很重要,但以前的研究主要集中在评估社区脆弱性上,对主动保护因素的关注有限。为了解决这一差距,本研究旨在确定在洪水事件发生之前影响伊朗农村社区采取保护措施的决定因素。本研究的统计人口包括位于伊朗西南部胡齐斯坦省Shushtar县的所有农村家庭。采用Krejcie和Morgan表选取了353个农村户主样本,采用多阶段分层抽样方法,以确保不同村庄的代表性。数据通过结构化问卷收集,其有效性由主题专家小组确认,而可靠性则使用Cronbach 's alpha系数进行评估。使用SPSS和SmartPLS软件进行数据分析,分为描述性统计和推断性统计两个阶段。研究结果表明,心理距离、社交媒体使用、地方依恋、洪水经历、社会资本和洪水风险感知对洪水前保护行为有显著的正向影响。总的来说,这些变量占保护措施方差的76.3%。这些发现为寻求提高洪水易发地区农村社区的抗灾能力和安全性的政策制定者提供了重要的见解。通过积极应对洪水风险,这些措施有助于农村生计的可持续性和加强当地的抵御能力。
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引用次数: 0
The role of remittances in building resilience through adaptive capacities amid environmental and socioeconomic vulnerabilities: A systematic literature review 汇款在环境和社会经济脆弱性中通过适应能力建设复原力的作用:系统文献综述
IF 5 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2025.100769
Ikram Ullah , Niraj Prakash Joshi , Luni Piya
This systematic review examines how financial and social remittances contribute to resilience under environmental and socioeconomic stress by synthesizing 79 peer-reviewed studies published between 2002 and 2025. Guided by a Disaster Resilience Integrated Framework for Transformation (DRIFT)-informed, stage-based framework, we analyze resilience before, during, and after disasters, linking each phase to capacities such as consumption smoothing, livelihood diversification, asset-based adaptation, social capital, and institutional empowerment. Remittance-resilience research expanded rapidly after 2020, with most studies focusing on Asia and Africa and fewer in Latin America, Europe, and Pacific Small Island Developing States. Financial remittances primarily support immediate stabilization and asset repair, whereas social remittances strengthen skills, networks, risk awareness, and collective action that underpin longer-term adjustment. Regional patterns differ: Asian cases emphasize consumption smoothing and housing upgrades, while African studies highlight diversification and institutional pathways. Our review contributes by mapping remittance roles across household, community, and system levels; linking micro-level mechanisms to governance and market conditions; and offering a comparative regional synthesis. Key constraints include dependency risks, unequal access by gender and income, and market or institutional volatility. Policy priorities include integrating remittances into national adaptation and disaster risk reduction strategies, reducing transfer costs through digital rails, leveraging diaspora co-financing, and strengthening financial and digital literacy to enhance inclusive, shock-responsive resilience aligned with Sustainable Development Goals 11, 13, and 16.
本系统综述通过综合2002年至2025年间发表的79项同行评议研究,考察了金融和社会汇款如何促进环境和社会经济压力下的复原力。在灾害复原力转型综合框架(DRIFT)的指导下,我们分析了灾前、灾中和灾后的复原力,并将每个阶段与消费平滑、生计多样化、基于资产的适应、社会资本和机构赋权等能力联系起来。2020年后,对汇款复原力的研究迅速扩大,大多数研究集中在亚洲和非洲,对拉丁美洲、欧洲和太平洋小岛屿发展中国家的研究较少。金融汇款主要支持即时稳定和资产修复,而社会汇款则加强技能、网络、风险意识和集体行动,为长期调整奠定基础。区域模式不同:亚洲案例强调消费平滑和住房升级,而非洲研究强调多样化和制度路径。我们的评估通过映射汇款在家庭、社区和系统层面的作用做出了贡献;将微观层面的机制与治理和市场条件联系起来;并提供了一个比较的区域综合。主要制约因素包括依赖风险、性别和收入不平等以及市场或体制波动。政策重点包括将汇款纳入国家适应和减少灾害风险战略,通过数字轨道降低转移成本,利用侨民共同融资,加强金融和数字素养,以增强符合可持续发展目标11、13和16的包容性、抗冲击能力。
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引用次数: 0
How beneficial are seasonal climate forecasts for climate risk management? An appraisal for crop production in Tanzania 季节气候预报对气候风险管理有多大益处?坦桑尼亚作物生产评估
IF 4.8 2区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-01-01 DOI: 10.1016/j.crm.2024.100686
Jacob Emanuel Joseph , K.P.C Rao , Elirehema Swai , Anthony M. Whitbread , Reimund P. Rötter
Understanding growing period conditions is crucial for effective climate risk management strategies. Seasonal climate forecasts (SCF) are key in predicting these conditions and guiding risk management in agriculture. However, low SCF adoption rates among smallholder farmers are due to factors like uncertainty and lack of understanding. In this study, we evaluated the benefits of SCF in predicting growing season conditions, and crop performance, and developing climate risk management strategies in Kongwa district, Tanzania. We used sea surface temperature anomalies (SSTa) from the Indian and Pacific Ocean regions to predict seasonal rainfall onset dates using the k-nearest neighbor model. Contrary to traditional approaches, the study established the use of rainfall onset dates as the criterion for predicting and describing growing period conditions. We then evaluated forecast skills and the profitability of using SCF in crop management with the Agricultural Production System sIMulator (APSIM) coupled with a simple bio-economic model. Our findings show that SSTa significantly influences rainfall variability and accurately predicts rainfall onset dates. Onset dates proved more effective than traditional methods in depicting key growing period characteristics, including rainfall variability and distribution. Including SCF in climate risk management proved beneficial for maize and sorghum production both agronomically and economically. Not using SCF posed a higher risk to crop production, with an 80% probability of yield losses, especially in late-onset seasons. We conclude that while SCF has potential benefits, improvements are needed in its generation and dissemination. Enhancing the network of extension agents could facilitate better understanding and adoption by smallholder farmers.
了解生长期条件对于有效的气候风险管理策略至关重要。季节性气候预报(SCF)是预测这些条件和指导农业风险管理的关键。然而,由于不确定性和缺乏了解等因素,小农对SCF的采用率较低。在这项研究中,我们评估了SCF在预测坦桑尼亚Kongwa地区生长季节条件和作物性能以及制定气候风险管理策略方面的益处。我们利用印度洋和太平洋地区的海温异常(SSTa),利用k近邻模型预测了季节性降雨的开始日期。与传统方法相反,该研究建立了使用降雨开始日期作为预测和描述生长期条件的标准。然后,我们利用农业生产系统模拟器(APSIM)和一个简单的生物经济模型,评估了在作物管理中使用SCF的预测技能和盈利能力。研究结果表明,海温对降水变率有显著影响,并能准确预测降水发生日期。事实证明,在描述关键生长期特征(包括降雨变率和分布)方面,发病日期比传统方法更有效。事实证明,将SCF纳入气候风险管理对玉米和高粱生产在农艺和经济上都是有益的。不使用SCF对作物生产构成更高的风险,产量损失的可能性为80%,特别是在晚发季节。我们的结论是,虽然SCF有潜在的好处,但它的产生和传播需要改进。加强推广机构网络可以促进小农更好地理解和采用。
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Climate Risk Management
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