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Assessment of drought conditions under climate change scenarios in Central Europe (Poland) using the standardized precipitation index (SPI) 基于标准化降水指数(SPI)的中欧(波兰)气候变化情景下干旱状况评估
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-07-04 DOI: 10.1016/j.cliser.2025.100591
Babak Ghazi , Hossein Salehi , Rajmund Przybylak , Aleksandra Pospieszyńska
Human-induced climate change led to a rise in the occurrence and severity of extreme events, including droughts, on a global scale. The assessment of drought conditions is important in understanding and mitigating drought risk in the future. This study used 26 General Circulation Models (GCMs) of high-resolution NASA Earth Exchange Global Daily Downscaled Projections (NEX-GDDP) Coupled Model Intercomparison Project Phase 6 (CMIP6) datasets and the standardized precipitation index (SPI) to assess the future of droughts in Central Europe (Poland) under four Shared Socioeconomic Pathways (SSPs) scenarios (i.e., SSP1–2.6, SSP2–4.5, SSP3–7.0, and SSP5–8.5). For this purpose, precipitation in the near future (NF) (2031–2060) and far future (FF) (2071–2100) periods were projected, and then an assessment of droughts at time scales of SPI-01, SPI-06 and SPI-012 was carried out. The projection of spatial variability of precipitation in Poland revealed that it will increase slightly (10–30%) under SSP1–2.6 and SSP2–4.5 scenarios, while in the FF, it is projected to increase by 20–50% under SSP3–7.0 and SSP5–8.5 scenarios in the north/central and south of Poland, respectively. Assessment of the future of droughts demonstrated that in the NF, the frequency of droughts will decrease by approximately 20–60% in all SPI timescales (SPI-01, SPI-06, SPI-12) under all SSP scenarios. In the FF, drought frequency will increase significantly, particularly under SSP3–7.0 and SSP5–8.5 scenarios, with 50–100% increases for SPI-06 (agricultural drought) and SPI-12 (hydrological drought).
在全球范围内,人为引起的气候变化导致包括干旱在内的极端事件的发生和严重程度上升。干旱条件的评估对于了解和减轻未来的干旱风险非常重要。本研究利用高分辨率NASA地球交换全球每日缩减预估(NEX-GDDP)的26个大气环流模式(GCMs)耦合模式比对项目第6阶段(CMIP6)数据集和标准化降水指数(SPI),评估了4种共享社会经济路径(SSP1-2.6、SSP2-4.5、SSP3-7.0和SSP5-8.5)情景下中欧(波兰)干旱的未来。为此,对近未来(NF)(2031-2060)期和远未来(FF)(2071-2100)期的降水进行预估,并对SPI-01、SPI-06和SPI-012时间尺度的干旱进行评估。波兰降水空间变异预估结果显示,在SSP1-2.6和SSP2-4.5情景下,波兰北部/中部和南部的SSP3-7.0和SSP5-8.5情景下,波兰降水空间变异预估将略有增加(10-30%),而在FF情景下,波兰北部/中部和南部的SSP3-7.0和SSP5-8.5情景下,波兰降水空间变异预估将分别增加20-50%。对未来干旱的评估表明,在NF中,在所有SSP情景下,所有SPI时间尺度(SPI-01、SPI-06、SPI-12)的干旱频率将减少约20-60%。在FF中,干旱频率将显著增加,特别是在SSP3-7.0和SSP5-8.5情景下,SPI-06(农业干旱)和SPI-12(水文干旱)的频率将增加50-100%。
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引用次数: 0
Awareness, access and adoption of climate information services for climate change adaptation in Ethiopia 埃塞俄比亚气候变化适应气候信息服务的认识、获取和采用
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-06-28 DOI: 10.1016/j.cliser.2025.100590
Yohannes Yona , Getachew Sime , Tafesse Matewos
Climate change-induced impacts have affected smallholder farmers and their livelihoods in developing countries. The situation in Ethiopia is especially severe due to the prevalence of rain-fed agriculture and the limited availability of climate information services. Smallholder farmers were unable to apply climate adaptation methods due to limited access to and use of climatic information. This study was carried out in Ethiopia’s Sidama region to analyze the current state and factors impacting access to and use of climate information services as decision-making tools for climate change adaptation. Employing a mixed research strategy, data was collected from 403 sample households, 32 key informants, and 6 focus group discussions to address the study objectives. The collected data was analyzed using both descriptive and inferential statistics. Specifically, the Heckman probit econometric model was employed to identify the factors that affect the access to and utilization of climate information services in the study districts. The study discovered that smallholder farmers obtain climate information through various sources, such as personal experience, community meetings, extension services, and mass-media. Despite 65.8 percent of surveyed households recognizing the importance of climate information for decision-making, only 44.4 percent of the respondents implemented it in their agricultural activities. This disparity can be attributed to various socioeconomic, institutional, and farmers’ characteristics. The study emphasized the need for capacity-building training, improved access to infrastructure like Farmer Training Centers (FTCs), and the integration of climate information with extension services to enhance the implementation of strategies to adapt to climate change in the region.
气候变化引起的影响已经影响到发展中国家的小农及其生计。埃塞俄比亚的情况尤其严重,因为该国普遍采用雨养农业,而气候信息服务的可用性有限。由于气候信息的获取和使用有限,小农无法应用气候适应方法。本研究在埃塞俄比亚的Sidama地区进行,分析了影响气候信息服务作为气候变化适应决策工具的获取和使用的现状和因素。采用混合研究策略,从403个样本家庭、32名关键信息者和6个焦点小组讨论中收集数据,以解决研究目标。收集的数据使用描述性和推断性统计进行分析。具体而言,采用Heckman probit计量模型识别影响研究区气候信息服务获取和利用的因素。该研究发现,小农通过各种渠道获取气候信息,如个人经验、社区会议、推广服务和大众媒体。尽管65.8%的受访家庭认识到气候信息对决策的重要性,但只有44.4%的受访者在其农业活动中实施了气候信息。这种差异可归因于各种社会经济、制度和农民的特点。该研究强调,有必要开展能力建设培训,改善农民培训中心等基础设施的使用,并将气候信息与推广服务相结合,以加强该地区适应气候变化战略的实施。
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引用次数: 0
On using dynamical seasonal forecasts to develop management-driven wildland fire outlooks in Alaska 利用动态季节预报开发管理驱动的阿拉斯加野火前景
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-06-25 DOI: 10.1016/j.cliser.2025.100592
Cecilia Borries-Strigle , Uma S. Bhatt , Peter A. Bieniek , Mitchell Burgard , Eric Stevens , Heidi Strader , Richard L. Thoman , Alison York , Robert H. Ziel
<div><div>As wildland fires in Alaska and its boreal forest become more extreme, preparing for the upcoming wildfire season has become increasingly challenging for fire managers. This study was developed in close collaboration with fire managers to address their need for advanced summer fire outlooks issued in March and May. Three seasonal forecast models are used to create summer fire outlooks: NOAA CFSv2, ECMWF SEAS5, and Météo-France System8. Variables from these forecasts are used to calculate Buildup Index (BUI), an operationally used fire weather index from the Canadian Forest Fire Danger Rating System. The BUI outlooks are evaluated based on Alaska wildfire subseason, BUI tercile, and predictive service area subregion with the area under the ROC curve (AUROC), Heidke, and mean squared error (MSE) skill scores. Skill is greatest for the wind (April 1–June 10) and drought (July 21–August 9) subseasons and in the Western Boreal subregion of Alaska. Combining the models into a multimodel ensemble increases forecast skill by an average of 11% (19%) for the March (May) forecast AUROC score and an average of 87% (92%) for the March (May) forecast Heidke skill score. May forecasts typically have equal or greater skill than March forecasts, with the greatest increases in skill seen during the wind subseason. However, instances of higher Heidke and MSE skill scores for March forecasts, especially in later subseasons and during large fires years, could be explained by the seasonally decreased predictability.</div></div><div><h3>Practical Implications</h3><div>Alaska’s wildfire season has changed over the past 30 years. The season has lengthened by about a month, and extreme fire events have become more frequent. Fire managers begin preparing for the upcoming fire season in March, several weeks before the administrative start of the fire season (April 1) and about three months before the typical peak in late June to early July. With the increasing availability of dynamical seasonal forecasts, the Alaska fire management community has expressed growing interest in using these tools for operational planning.</div><div>In this study, we used March-initialized seasonal forecasts to generate early-season outlooks of the Buildup Index (BUI), a key fire weather variable. These outlooks align with the timing of critical early-season decision-making by fire managers, including resource allocation and national coordination. After several years of providing these outlooks, fire managers requested additional outlooks initialized in May to support decisions after the season has begun but before its peak. Although May-initialized forecasts are typically more skillful, our early focus on the more challenging March forecasts reflects our commitment to meeting fire managers’ needs. This long-term collaboration, including presentations at spring meetings and sustained engagement through biweekly calls, has helped refine our scientific focus—e.g., by emphasizing the duff
随着阿拉斯加及其北方森林的野火变得越来越极端,对火灾管理者来说,为即将到来的野火季节做准备变得越来越具有挑战性。这项研究是与消防管理人员密切合作开展的,以满足他们对3月和5月发布的提前夏季火灾展望的需求。三个季节预报模式用于创建夏季火情前景:NOAA CFSv2、ECMWF SEAS5和msamtsamo - france System8。来自这些预报的变量用于计算累积指数(BUI),这是一种来自加拿大森林火灾危险等级系统的实际使用的火灾天气指数。BUI的前景是基于阿拉斯加野火子季节、BUI品种和预测服务区域子区域,以及ROC曲线下面积(AUROC)、Heidke和均方误差(MSE)技能得分来评估的。技能是最伟大的风(4月1日至6月10日)和干旱(7月21日至8月9日)亚季节和阿拉斯加西部北纬亚地区。将这些模型组合成一个多模型集合,在3月(5月)预测AUROC得分时,预测技能平均提高11%(19%),在3月(5月)预测Heidke技能得分时,预测技能平均提高87%(92%)。5月的预报通常比3月的预报具有相同或更高的预报能力,在风亚季期间预报能力的提高最大。然而,3月份预报的Heidke和MSE技能得分较高的例子,特别是在后来的子季节和大火年,可以用季节性降低的可预测性来解释。在过去的30年里,阿拉斯加的野火季节发生了变化。这个季节已经延长了大约一个月,极端火灾事件变得更加频繁。消防管理人员在3月份开始为即将到来的火灾季节做准备,这比火灾季节的行政开始(4月1日)早几周,比典型的高峰(6月底至7月初)早约三个月。随着动态季节预报的可用性越来越高,阿拉斯加火灾管理界对使用这些工具进行操作规划越来越感兴趣。在这项研究中,我们使用三月初始化的季节预报来生成累积指数(BUI)的季前前景,BUI是一个关键的火灾天气变量。这些展望与火灾管理人员的关键早期决策时间一致,包括资源分配和国家协调。在提供这些展望数年之后,5月份有5位经理要求提供额外的展望,以支持在赛季开始后但在峰值之前做出的决策。虽然5月初始化的预测通常更有技巧,但我们早期对更具挑战性的3月预测的关注反映了我们对满足消防经理需求的承诺。这种长期合作,包括在春季会议上的报告和通过每两周一次的电话会议的持续参与,有助于完善我们的科学重点。通过强调焚烧垃圾的亚季节和季末降雨的时间。在整个工作过程中,我们采取了操作角度,旨在保持方法的计算效率,以适应大数据量和时间敏感的决策。因此,目前的研究使用相对简化的方法建立了预测技能的基线。这一基础使火灾管理界能够探索定制和增强预测产品的方法,例如为高纬度模型应用更先进的偏差校正技术,或按次区域或分季节改进技能评估。它还通过调整模型权重或扩展集成成员,为优化多模型集成方法创建了一个平台。这项工作是改善阿拉斯加季节性火灾天气预报的更广泛努力的一个组成部分。随着合作的继续,这些BUI展望可以与新兴的燃料和闪电的长期预测产品相结合,以建立一个更全面的即将到来的火灾季节的图景。我们仍然积极与消防经理沟通,在春季和秋季的运营会议上分享最新情况,并将他们的反馈纳入正在进行的研究和工具开发中。
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引用次数: 0
Sub-seasonal and seasonal climate predictions for a sporting goods retailer company: Co-development of a climate service from scratch 某体育用品零售商公司的分季节和季节性气候预测:从零开始共同开发气候服务
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-06-23 DOI: 10.1016/j.cliser.2025.100583
Albert Soret , Albert Martínez-Botí , Raul Marcos-Matamoros , Nube Gonzalez-Reviriego , Francesc Roura-Adserias , Lluís Palma , Sergio Benito Martín , Sergio González-Ubierna
Predicting variations in weather conditions beyond a few days is of great interest to decision-makers, as this time horizon aligns with the strategic planning needs of stakeholders in climate-vulnerable sectors affected by seasonality. While the effects of climate variability are well understood in sectors such as energy and agriculture, where the potential applications of climate predictions in decision-making are already being explored, in other sectors, the direct impacts of climate variability on operations or on defining seasonal transitions remain unclear. In this context, our paper describes the knowledge exchange and co-development process carried out during the co-production of an operational climate service for a sports retail company. We developed a climate service that combines sub-seasonal and seasonal forecasts to provide tailored and user-friendly climate information for the upcoming weeks and months. The operational system supported decision-making in selected stores over a year, with regular evaluations helping to build trust in the service and informing new developments for an improved version. This study demonstrates that a co-production approach, where interaction between the user and the scientist is established early in the forecast product development, is fundamental to the creation of a successful climate service. Beyond this specific case, the long-term aim of the work is to compile and synthesise the lessons learned in developing this service at sub-seasonal and seasonal timescales, to encourage its adoption in other comparable retail businesses also affected by climate variability (e.g. the fashion industry and food-snack production).
预测几天后天气状况的变化对决策者非常有兴趣,因为这一时间范围与受季节性影响的易受气候影响行业的利益攸关方的战略规划需求相一致。虽然气候变率的影响在能源和农业等部门已得到充分了解,气候预测在决策中的潜在应用已在探索之中,但在其他部门,气候变率对业务或确定季节转变的直接影响仍不清楚。在此背景下,我们的论文描述了一家体育零售公司在合作生产运营气候服务期间进行的知识交流和共同开发过程。我们开发了一种结合了分季节和季节预报的气候服务,为未来几周和几个月提供量身定制和用户友好的气候信息。运营系统在一年多的时间里支持选定商店的决策,定期评估有助于建立对服务的信任,并告知改进版本的新进展。这项研究表明,在预测产品开发的早期就建立用户和科学家之间的互动的共同生产方法是创建成功的气候服务的基础。除了这个具体案例之外,这项工作的长期目标是整理和综合在分季节和季节性时间尺度上发展这项服务的经验教训,以鼓励其他受气候变化影响的类似零售企业(例如时尚业和食品零食生产)采用这项服务。
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引用次数: 0
Drought assessment and development trend in Mu Us Sandy Land based on standardized precipitation and potential evapotranspiration index 基于标准化降水和潜在蒸散指数的毛乌素沙地干旱评价及发展趋势
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-06-17 DOI: 10.1016/j.cliser.2025.100588
Liang Li’e, Wang Xiaohan, Chao Yan, Li Jiamin, Zhu Yonghua
Global warming leads to more frequent droughts. Therefore, in order to understand the development characteristics of drought, based on high-resolution climate data, the Mann-Kendall test, empirical orthogonal function decomposition and multi-threshold operation theory were adopted to analyze the characteristics of the multi-scale standardized precipitation index (SPI) and the standardized potential evapotranspiration index (SPEI) from 2002 to 2021. Based on CMIP6, the development trend of drought under different emission scenarios from 2021 to 2040 was predicted through multi-model ensemble (MME). The results show that both SPI and SPEI effectively identify the drought conditions in MUSL. The short-term scale (1/3 month) of SPI is stable in identifying drought with precipitation deficiency, and SPEI is more sensitive to sudden drought driven by high temperature. Both indicators on a long-term scale (6/12 months) can effectively monitor persistent drought. In the low-emission scenario (SSP126/245), drought is mainly dominated by precipitation changes. The results of SPI and SPEI are relatively consistent and both can be used for monitoring. In the high-emission scenario (SSP370/585), the increase in temperature intensifies evapotranspiration. SPEI can more accurately reflect the actual drought risk, while relying solely on SPI may underestimate the intensification effect of high temperature on drought. The comprehensive implementation of these measures will effectively enhance the resilience of the study area in responding to the increasingly severe drought challenges.
全球变暖导致干旱更加频繁。因此,为了了解干旱的发展特征,基于高分辨率气候数据,采用Mann-Kendall检验、经验正交函数分解和多阈值运算理论,对2002 - 2021年多尺度标准化降水指数(SPI)和标准化潜在蒸散指数(SPEI)的特征进行分析。基于CMIP6,通过多模式集合(MME)对2021 - 2040年不同排放情景下的干旱发展趋势进行了预测。结果表明,SPI和SPEI均能有效识别旱情。SPI短期尺度(1/3个月)对降水不足干旱的识别较为稳定,对高温驱动的突发性干旱更为敏感。这两个指标在长期尺度上(6/12个月)都能有效监测持续干旱。在低排放情景下(SSP126/245),干旱主要由降水变化主导。SPI和SPEI的结果比较一致,都可以用于监测。在高排放情景(SSP370/585)中,温度的升高加剧了蒸散作用。SPI能更准确地反映实际的干旱风险,而单纯依赖SPI可能会低估高温对干旱的强化作用。这些措施的全面实施将有效增强研究区应对日益严峻的干旱挑战的抵御能力。
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引用次数: 0
A Spatial Decision Support System for climate-adapted agriculture designed with and for stakeholders in West Africa 与西非利益相关者共同设计并为其设计的气候适应农业空间决策支持系统
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-06-13 DOI: 10.1016/j.cliser.2025.100585
Katrin Ziegler , Daniel Abel , Lorenz König , Torsten Weber , Insa Otte , Mike Teucher , Christopher Conrad , Michael Thiel , Imoleayo Ezekiel Gbode , Vincent Olanrewaju Ajayi , Amadou Coulibaly , Seydou B. Traoré , Benewinde Jean-Bosco Zoungrana , Heiko Paeth
This paper presents a Spatial Decision Support System (SDSS) designed to assist stakeholders in West Africa in analysing critical climate and land use indicators for risk management in agriculture and further sectors being affected by extreme precipitation and temperature events. Developed as part of the WASCAL WRAP 2.0 project LANDSURF, the SDSS makes scientific data accessible and comprehensible to non-scientific audiences, facilitating informed decision-making among communities affected by climate change. From the beginning of the development process, the web portal was co-designed with relevant West African stakeholders. Due to the challenging conditions during the COVID-19 pandemic, alternative online communication tools, e.g. ZOOM, online surveys and email, successfully were utilized to interact with stakeholders instead of on-site activities. The co-design process carried out with stakeholders includes several steps such as stakeholder analysis, identification of their information needs using specific climate, crop and remote sensing indicators, and the evaluation of the SDSS in a dedicated workshop. In total, the co-design process involved nine different steps, recorded and described in a stakeholder interaction protocol.
The SDSS integrates observational data, including CHIRPS and ERA5-Land datasets, and state-of-the-art high-resolution climate model outputs under two greenhouse gas concentration scenarios (RCP2.6 and RCP8.5) and remote sensing data. It enables the comparison of model outputs with observations and facilitates the assessment of regional climate variability and trends. Two concept studies illustrate the SDSS’s functionality: one focusing on a farmer in Burkina Faso assessing irrigation needs for millet cultivation, and another involving a regional planner analysing drought and heat wave impacts in coastal West Africa. These examples highlight the SDSS’s usability in supporting adaptive strategies and enhancing resilience to climate-related challenges, underscoring the importance of integrating local knowledge with scientific data for effective climate adaptation and mitigation.
本文介绍了一个空间决策支持系统(SDSS),旨在帮助西非的利益相关者分析农业和其他受极端降水和温度事件影响的部门的风险管理的关键气候和土地利用指标。作为WASCAL WRAP 2.0项目LANDSURF的一部分,SDSS使非科学受众可以访问和理解科学数据,促进受气候变化影响的社区做出明智的决策。从开发进程开始,门户网站就与西非相关利益攸关方共同设计。鉴于2019冠状病毒病大流行期间的挑战性条件,我们成功地利用ZOOM、在线调查和电子邮件等替代在线沟通工具与利益相关者进行互动,而不是现场活动。与利益相关者进行的协同设计过程包括几个步骤,如利益相关者分析,使用特定的气候、作物和遥感指标确定其信息需求,以及在专门的研讨会上评估SDSS。总的来说,协同设计过程涉及九个不同的步骤,在利益相关者交互协议中进行记录和描述。SDSS整合了观测数据,包括CHIRPS和ERA5-Land数据集,以及两种温室气体浓度情景(RCP2.6和RCP8.5)下最先进的高分辨率气候模型输出和遥感数据。它可以将模式输出与观测结果进行比较,并有助于评估区域气候变率和趋势。两项概念研究说明了SDSS的功能:一项侧重于布基纳法索的农民评估谷子种植的灌溉需求,另一项涉及区域规划师分析西非沿海地区干旱和热浪的影响。这些例子突出了可持续发展战略在支持适应战略和增强应对气候相关挑战的韧性方面的可用性,强调了将当地知识与科学数据结合起来的重要性,以实现有效的气候适应和减缓。
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引用次数: 0
SIMBOL: A method to co-produce impact-based seasonal outlooks SIMBOL:一种共同产生基于影响的季节性前景的方法
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-04-01 DOI: 10.1016/j.cliser.2025.100579
Joseph Daron , Katerina Michaelides , Khalid Hassaballah , Andrés Quichimbo , Rebecca Parfitt , Jessica Stacey , Anna Steynor , Catrina Johnson , David MacLeod , Michael Bliss Singer
Communities across the world are sensitive to the impacts of seasonal climate variability, particularly in regions where distinct rainfall seasons support livelihoods and economic activities. Timely and actionable warnings of hazardous seasonal conditions and advisories tailored to different sectors can enable people to respond, reduce risks, and seize opportunities. Yet despite advances in seasonal forecasting methods and capabilities, there remains a lack of “impact-based” seasonal climate outlooks that more directly serve societal needs while preserving uncertainty information for risk-based decision making. Here we present a new method to address this gap, focusing on implementation in Regional and National Climate Outlook Forums and targeted at intermediary users who support the communication of seasonal outlooks across scales. The Seasonal IMpact-Based OutLook (SIMBOL) method provides a simple and scalable approach for use in regions across the world. We describe the conceptual basis for the method, embedded in the Impact-Based Forecasting (IBF) framework, and demonstrate its application through a case study of seasonal total rainfall impacts on groundwater in Somalia, trialled at the Greater Horn of Africa Climate Outlook Forum (GHACOF) in February 2024. We elaborate the critical role of co-production amongst different knowledge holders for characterizing impacts across all potential outlook outcomes, avoiding advisories that are biased towards the “most likely” outcome. We also discuss the importance of objective evidence from impact modelling and observations to consider antecedent conditions. Lessons learned and challenges encountered in developing the method are discussed to inform opportunities for future development and implementation in different contexts.
世界各地的社区对季节性气候变率的影响都很敏感,特别是在不同降雨季节支持生计和经济活动的地区。及时和可操作的危险季节条件预警和针对不同部门的咨询可使人们能够作出反应,降低风险,抓住机遇。然而,尽管季节预报方法和能力取得了进步,但仍然缺乏“基于影响”的季节气候展望,这种展望既能更直接地满足社会需求,又能为基于风险的决策保留不确定性信息。在这里,我们提出了一种解决这一差距的新方法,重点是在区域和国家气候展望论坛中实施,并针对支持跨尺度季节性展望沟通的中间用户。基于季节影响的展望(SIMBOL)方法提供了一种简单且可扩展的方法,可用于世界各地。我们描述了该方法的概念基础,嵌入到基于影响的预测(IBF)框架中,并通过2024年2月在大非洲之角气候展望论坛(GHACOF)上进行的索马里季节性总降雨量对地下水影响的案例研究展示了该方法的应用。我们详细阐述了不同知识持有者之间共同生产的关键作用,以表征所有潜在前景结果的影响,避免偏向于“最可能”结果的建议。我们还讨论了客观证据的重要性,从冲击模型和观察考虑先决条件。讨论了在开发该方法过程中获得的经验教训和遇到的挑战,以便为今后在不同情况下开发和实施该方法提供机会。
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引用次数: 0
Assessing the local context for implementing a climate based early warning system for dengue fever outbreaks in Ecuador 评估在厄瓜多尔实施基于气候的登革热疫情预警系统的当地情况
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-04-01 DOI: 10.1016/j.cliser.2025.100571
Gabrielle M.A. Cepella , Mercy J. Borbor-Cordova , Marianne van Elteren , Desislava Petrova
Dengue fever is hyper-endemic in Ecuador and has persistently challenged its public health system. Previously, El Niño Southern Oscillation (ENSO) and its impact on local temperature and precipitation in coastal Ecuador was linked to dengue outbreaks. A framework for early epidemics prediction based on long-lead ENSO and local climate forecasts was developed and tested for El Oro province. It could provide timely information to policy makers, but it is not being systematically utilized. In this study we assess barriers and pathways for a climate-driven dengue EWS implementation in Ecuador. Initially, 30 stakeholders from the climate and health sector were approached, and 11 semi-structured interviews were conducted and analyzed using the Consolidated Framework for Implementation Research to identify needs and priorities. Although all topics were covered during each interview, the structure and sequence of the questions varied according to the stakeholder background. In the exploratory phase specific codes were assigned to data fragments, and themes that reached the highest level of saturation were analyzed. Our results point to a limited compatibility between the current outbreak management and a climate-driven dengue EWS. To enhance compatibility, all participants indicated that EWS implementation should be led by the Ministry of Health or another established inter-institutional management structure invested with authority and knowledge about the needs and aims. This would ensure the participation of stakeholders with diverse backgrounds, and build trust in the EWS. Promoting data sharing, working on city or province level and improving local infrastructure to prevent flooding could also guarantee its effectiveness.
登革热在厄瓜多尔高度流行,并一直对其公共卫生系统构成挑战。以前,厄尔Niño南方涛动(ENSO)及其对厄瓜多尔沿海地区当地温度和降水的影响与登革热疫情有关。基于长期ENSO和当地气候预报的早期流行病预测框架已在埃尔奥罗省制定并进行了测试。它可以向决策者提供及时的信息,但没有得到系统的利用。在本研究中,我们评估了气候驱动型登革热EWS在厄瓜多尔实施的障碍和途径。最初,与气候和卫生部门的30个利益攸关方进行了接触,进行了11次半结构化访谈,并使用《实施研究综合框架》进行了分析,以确定需求和优先事项。尽管在每次访谈中涵盖了所有主题,但问题的结构和顺序根据利益相关者的背景而有所不同。在探索阶段,将特定代码分配给数据片段,并分析达到最高饱和度的主题。我们的研究结果表明,当前的疫情管理与气候驱动的登革热EWS之间的兼容性有限。为了加强兼容性,所有与会者都表示,卫生保健系统的实施应由卫生部或对需求和目标具有权威和知识的另一个既定机构间管理结构领导。这将确保具有不同背景的利益相关者的参与,并建立对EWS的信任。促进数据共享,在城市或省一级开展工作,改善当地基础设施以防止洪水,也可以保证其有效性。
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引用次数: 0
Assessing disparities in access, use, and potential benefits of weather and climate information services among farmers in Guatemala’s Dry Corridor 评估危地马拉干旱走廊农民在获取、使用天气和气候信息服务及其潜在效益方面的差异
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-04-01 DOI: 10.1016/j.cliser.2025.100573
Maya Moore , Geneva List , Max Mauerman , Dante Salazar Ballesteros , Walter Baethgen
<div><div>Climate risk is a critical challenge for smallholder farmers in Guatemala, and weather and climate information services (WCIS) are a growing policy solution. Using a survey of 330 farming households in Guatemala’s Dry Corridor, this research examines farmers’ ability to access and utilize WCIS for agricultural decision-making, as well as the association between WCIS and food insecurity. Our observational study found that while reported access to one approach, Local Technical Agro-Climatic Committees (LTACs) and agro-climatic bulletins (ACBs), was lower than expected among a representative sample of communities, nearly half of respondents reported accessing weather and climate information more generally. In an observational comparison, those accessing information implemented significantly more climate-resilient agricultural practices and were significantly more food secure than those not receiving the information; however, accessing information was correlated with household wealth and education, and its effect on food insecurity was not statistically identifiable in a multiple regression test with controls. Our study also provides empirical evidence that a lack of information is not the primary barrier to the adoption of adaptation practices. While farmers expressed a desire to adapt certain farming practices in response to climate risk, they faced financial and other barriers to implementing these strategies. Thus, while WCIS have potential for informing agricultural decisions, this study underscores the challenges associated with effectively delivering information to farmers, as well as highlights obstacles to their use when farmers do receive them. These insights are crucial for refining WCIS design and delivery. Recommendations include investing in more farmer-centric communication channels and coupling information with resources to strengthen farmers’ adaptive capacity.</div></div><div><h3>Practical implications</h3><div>Guatemala’s Dry Corridor is a region highly susceptible to drought and climate variability. For smallholder farmers who depend on rain-fed maize and bean cultivation, these climate risks intensify vulnerability and threaten livelihoods. Acute food insecurity is also a significant concern in Guatemala and the Dry Corridor. Weather and climate information services (WCIS) are offered as a policy solution in Guatemala, and globally, to aid in climate risk management and climate change adaptation. Timely and relevant climate information can inform adaptive agricultural practices, potentially helping to mitigate climate risks, reduce negative coping strategies, and safeguard household well-being.</div><div>This study explores the reach of WCIS and the socioeconomic factors associated with its use among a population of smallholder farmers in Guatemala’s Dry Corridor, using a contextual assessment of decision-making processes, adaptive practices, and local constraints. We investigate the differences between those who access
气候风险是危地马拉小农面临的严峻挑战,天气和气候信息服务(WCIS)是一项日益重要的政策解决方案。通过对危地马拉干旱走廊330户农户的调查,本研究考察了农民获取和利用WCIS进行农业决策的能力,以及WCIS与粮食不安全之间的关系。我们的观察性研究发现,虽然在代表性社区样本中报告的一种方法,即地方农业气候技术委员会(LTACs)和农业气候公报(ACBs)的获取情况低于预期,但近一半的受访者报告说,他们更普遍地获取天气和气候信息。在一项观察性比较中,获得信息的人比没有获得信息的人实施了更具气候适应型的农业做法,粮食安全程度也显著提高;然而,获取信息与家庭财富和教育程度相关,其对粮食不安全的影响在具有对照的多元回归检验中没有统计学上的可识别性。我们的研究还提供了经验证据,表明缺乏信息并不是采用适应实践的主要障碍。虽然农民表示希望调整某些耕作方式以应对气候风险,但他们在实施这些战略时面临资金和其他障碍。因此,虽然WCIS具有为农业决策提供信息的潜力,但本研究强调了向农民有效提供信息所面临的挑战,并强调了农民在收到信息时使用这些信息的障碍。这些见解对于改进WCIS的设计和交付是至关重要的。建议包括投资于更多以农民为中心的沟通渠道,并将信息与资源结合起来,以加强农民的适应能力。实际意义危地马拉的干旱走廊是一个对干旱和气候变化非常敏感的地区。对于依靠雨养玉米和豆类种植的小农来说,这些气候风险加剧了他们的脆弱性,威胁到他们的生计。严重的粮食不安全也是危地马拉和干旱走廊的一个重大问题。天气和气候信息服务(WCIS)作为一项政策解决方案在危地马拉和全球范围内提供,以帮助进行气候风险管理和适应气候变化。及时和相关的气候信息可以为适应性农业做法提供信息,可能有助于减轻气候风险,减少消极的应对策略,并保障家庭福祉。本研究通过对决策过程、适应性实践和当地制约因素的背景评估,探讨了WCIS在危地马拉干旱走廊小农群体中的应用范围以及与之相关的社会经济因素。我们调查了获取WCIS和未获取WCIS的人群之间的差异,并评估获取WCIS和实施适应性农业实践是否与提高家庭粮食安全有关。该研究特别审查了地方农业气候技术委员会的作用;(Mesas tsamicnicas Agroclimáticas,或西班牙语MTAs)和农业气候公报(acb)。ltac是一项全国性的气候服务倡议,得到了政府协调战略的支持,该战略吸引了众多组织和农业中介机构。通过对话、知识交流和为农民制定参与式气候信息建议,该倡议旨在改善气候信息的可获取性和针对性,以支持农民的气候适应能力。我们的研究发现,在随机调查的农户中,该地区很少有农民参加ltcs或直接从ACBs获取信息/建议。相反,大多数农民依靠个人观察、无线电和邻居来识别气候风险;通过广播、智能手机和电视获取天气和气候信息。关于种植、收获、作物品种、投入和水管理的决定通常是由个人经验、家庭传统和邻居的建议决定的。值得注意的是,只有50%的抽样农民报告说他们可以获得任何天气或气候信息。这些网站主要访问短期天气预报(1-5天),而不是季节性气候预报。该研究还发现,与没有获得WCIS的农民相比,获得WCIS的农民实施了更多的气候适应型做法,但资金限制仍然是广泛采用WCIS的重大障碍。我们还发现,在我们的样本中,近四分之一的家庭报告说,为了应对气候影响,他们改变了食物消费和饮食选择。超过25%的人被评为中度粮食不安全,17%的人被评为严重粮食不安全。 虽然研究发现,获得某种形式的WCIS的农民的粮食不安全得分较低,并且倾向于实施更具适应性的农业实践,但在控制社会经济因素时,获取WCIS和采用适应性农业实践对粮食安全的直接影响在统计上并不显著。这项研究强调了改善WCIS的实施和影响的几个机会。通过当地可信赖的渠道,如无线电广播和气候中介机构的有效外联,提高对长期气候咨询机构和长期气候咨询机构的认识,可以提高可及性。将科学数据与农民的传统知识和优先事项相结合,同时确保他们有意义地端到端参与LTAC过程,是创建可操作的、与具体情况相关的建议的关键。需要进一步的研究来了解如何共享ltcs和acb的气候信息和咨询,与谁共享,以及农民网络如何增强溢出效应。世界农业信息中心在该地区的成功取决于一种超越信息传播的多方面方法,以解决限制农民适应能力的结构性障碍。根据当地情况定制WCIS的实施,提供资金和能力建设支持,以及培育更具包容性和参与性的机制,可以增强WCIS作为在危地马拉小农中建立抵御气候风险能力的工具的作用,西非和拉丁美洲的类似模式已经证明了这一点。然而,仅靠气候服务是不够的;需要更广泛的干预措施来减少脆弱性和加强农村生计。在干旱是主要风险的危地马拉干旱走廊,农民将从改善的蓄水系统和灌溉渠道中受益匪浅。
{"title":"Assessing disparities in access, use, and potential benefits of weather and climate information services among farmers in Guatemala’s Dry Corridor","authors":"Maya Moore ,&nbsp;Geneva List ,&nbsp;Max Mauerman ,&nbsp;Dante Salazar Ballesteros ,&nbsp;Walter Baethgen","doi":"10.1016/j.cliser.2025.100573","DOIUrl":"10.1016/j.cliser.2025.100573","url":null,"abstract":"&lt;div&gt;&lt;div&gt;Climate risk is a critical challenge for smallholder farmers in Guatemala, and weather and climate information services (WCIS) are a growing policy solution. Using a survey of 330 farming households in Guatemala’s Dry Corridor, this research examines farmers’ ability to access and utilize WCIS for agricultural decision-making, as well as the association between WCIS and food insecurity. Our observational study found that while reported access to one approach, Local Technical Agro-Climatic Committees (LTACs) and agro-climatic bulletins (ACBs), was lower than expected among a representative sample of communities, nearly half of respondents reported accessing weather and climate information more generally. In an observational comparison, those accessing information implemented significantly more climate-resilient agricultural practices and were significantly more food secure than those not receiving the information; however, accessing information was correlated with household wealth and education, and its effect on food insecurity was not statistically identifiable in a multiple regression test with controls. Our study also provides empirical evidence that a lack of information is not the primary barrier to the adoption of adaptation practices. While farmers expressed a desire to adapt certain farming practices in response to climate risk, they faced financial and other barriers to implementing these strategies. Thus, while WCIS have potential for informing agricultural decisions, this study underscores the challenges associated with effectively delivering information to farmers, as well as highlights obstacles to their use when farmers do receive them. These insights are crucial for refining WCIS design and delivery. Recommendations include investing in more farmer-centric communication channels and coupling information with resources to strengthen farmers’ adaptive capacity.&lt;/div&gt;&lt;/div&gt;&lt;div&gt;&lt;h3&gt;Practical implications&lt;/h3&gt;&lt;div&gt;Guatemala’s Dry Corridor is a region highly susceptible to drought and climate variability. For smallholder farmers who depend on rain-fed maize and bean cultivation, these climate risks intensify vulnerability and threaten livelihoods. Acute food insecurity is also a significant concern in Guatemala and the Dry Corridor. Weather and climate information services (WCIS) are offered as a policy solution in Guatemala, and globally, to aid in climate risk management and climate change adaptation. Timely and relevant climate information can inform adaptive agricultural practices, potentially helping to mitigate climate risks, reduce negative coping strategies, and safeguard household well-being.&lt;/div&gt;&lt;div&gt;This study explores the reach of WCIS and the socioeconomic factors associated with its use among a population of smallholder farmers in Guatemala’s Dry Corridor, using a contextual assessment of decision-making processes, adaptive practices, and local constraints. We investigate the differences between those who access","PeriodicalId":51332,"journal":{"name":"Climate Services","volume":"38 ","pages":"Article 100573"},"PeriodicalIF":4.0,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143906905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Contextual drivers of climate-smart agroforestry adoption in Bugesera and Rulindo agroecosystems of Rwanda 卢旺达布格塞拉和鲁林多农业生态系统采用气候智能型农林业的背景驱动因素
IF 4 3区 环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES Pub Date : 2025-04-01 DOI: 10.1016/j.cliser.2025.100584
Donatien Ntawuruhunga , Edwin Estomii Ngowi , Halima Omari Mangi , Raymond John Salanga , Kenneth Lynch Leonard
This study examined 381 farmers from two regions in Rwanda to investigate how contextual factors at the field level interact with climate-smart agroforestry (CSAF) practices. Farmers were categorized as low (LAD), medium (MAD), and high (HAD) adopters based on tree counts. Various contextual factors — notably location, demographics, assets, farm characteristics, and institutional variables — were analyzed using descriptive statistics, Pearson correlation, logit regression, and propensity score matching. Farmers in Bugesera had larger farms and higher tree counts than those in Rulindo, resulting in greater farm income in Bugesera. Positive correlations were found among altitude, slope, erosion class, gender, household size, poverty level, income source, marital status, education, farm area, cropping practices, farm-river distance, changes in CSAF cover, population dynamics, and LAD. CSAF farms outperformed monoculture farms regarding cassava, maize, and bean yields, particularly in Bugesera and Rulindo among larger landholdings. Logit regression analysis showed that combinations of multipurpose trees and crop planting significantly improved farm yields, with household size and farm size being critical factors for CSAF adoption. Propensity score matching confirmed the positive effects of CSAF practices on farm yield and income, contributing to enhanced rural well-being. These findings underscore the crucial role of CSAF in promoting well-being. The results encourage stakeholders to develop strategies for CSAF. While these findings are specific to local contexts, they may hold potential relevance at regional and global levels. This evidence supports the development of government-led policies implemented through extension services to systematize and stabilize CSAF practices across diverse farming systems.
本研究调查了来自卢旺达两个地区的381名农民,以调查田间水平的环境因素如何与气候智能型农林业(CSAF)实践相互作用。根据树木数量将农民分为低(LAD)、中(MAD)和高(HAD)采用者。使用描述性统计、Pearson相关性、logit回归和倾向评分匹配分析了各种背景因素,特别是地理位置、人口统计、资产、农场特征和制度变量。Bugesera的农民比Rulindo的农民拥有更大的农场和更高的树木数量,因此Bugesera的农业收入更高。海拔高度、坡度、侵蚀类型、性别、家庭规模、贫困程度、收入来源、婚姻状况、教育程度、农田面积、耕作方式、农田与河流距离、土壤土壤覆盖度变化、人口动态和土壤侵蚀水平呈正相关。CSAF农场在木薯、玉米和豆类产量方面优于单一种植农场,特别是在Bugesera和Rulindo的大型土地中。Logit回归分析表明,多用途树木与作物种植组合显著提高了农业产量,家庭规模和农场规模是影响农用农用作物采用的关键因素。倾向得分匹配证实了CSAF实践对农业产量和收入的积极影响,有助于提高农村福祉。这些发现强调了CSAF在促进幸福感方面的关键作用。研究结果鼓励利益相关者制定CSAF战略。虽然这些发现是针对当地情况的,但它们可能在区域和全球层面具有潜在的相关性。这一证据支持制定政府主导的政策,通过推广服务实施,使不同农业系统的CSAF实践系统化和稳定化。
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引用次数: 0
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