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Drought and society: Scientific progress, blind spots, and future prospects. 干旱与社会:科学进步、盲点与未来展望。
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-05-01 Epub Date: 2022-01-23 DOI: 10.1002/wcc.761
Elisa Savelli, Maria Rusca, Hannah Cloke, Giuliano Di Baldassarre

Human activities have increasingly intensified the severity, frequency, and negative impacts of droughts in several regions across the world. This trend has led to broader scientific conceptualizations of drought risk that account for human actions and their interplays with natural systems. This review focuses on physical and engineering sciences to examine the way and extent to which these disciplines account for social processes in relation to the production and distribution of drought risk. We conclude that this research has significantly progressed in terms of recognizing the role of humans in reshaping drought risk and its socioenvironmental impacts. We note an increasing engagement with and contribution to understanding vulnerability, resilience, and adaptation patterns. Moreover, by advancing (socio)hydrological models, developing numerical indexes, and enhancing data processing, physical and engineering scientists have determined the extent of human influences in the propagation of drought hazard. However, these studies do not fully capture the complexities of anthropogenic transformations. Very often, they portray society as homogeneous, and decision-making processes as apolitical, thereby concealing the power relations underlying the production of drought and the uneven distribution of its impacts. The resistance in engaging explicitly with politics and social power-despite their major role in producing anthropogenic drought-can be attributed to the strong influence of positivist epistemologies in engineering and physical sciences. We suggest that an active engagement with critical social sciences can further theorizations of drought risk by shedding light on the structural and historical systems of power that engender every socioenvironmental transformation. This article is categorized under:Climate, History, Society, Culture > Disciplinary Perspectives.

人类活动日益加剧了全球一些地区干旱的严重程度、频率和负面影响。这一趋势导致了对干旱风险的更广泛的科学概念化,这些概念化解释了人类活动及其与自然系统的相互作用。这篇综述的重点是物理和工程科学,以检查这些学科解释与干旱风险的产生和分布有关的社会过程的方式和程度。我们的结论是,这项研究在认识到人类在重塑干旱风险及其社会环境影响中的作用方面取得了重大进展。我们注意到对脆弱性、复原力和适应模式的理解越来越多地参与和贡献。此外,通过改进(社会)水文模型、开发数值指标和加强数据处理,物理和工程科学家已经确定了人类对干旱灾害传播的影响程度。然而,这些研究并没有完全捕捉到人为转变的复杂性。它们常常把社会描绘成同质的,把决策过程描绘成非政治性的,从而掩盖了造成干旱的权力关系及其影响的不均匀分布。尽管政治和社会权力在人为干旱的产生中起着重要作用,但在明确参与政治和社会权力方面的阻力可以归因于工程和物理科学中实证主义认识论的强大影响。我们建议,积极参与关键的社会科学,可以通过揭示产生每一个社会环境转型的权力结构和历史系统,进一步理论化干旱风险。本文分类如下:气候、历史、社会、文化>学科视角。
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引用次数: 18
Issue Information 问题信息
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-05-01 DOI: 10.1002/wcc.717
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引用次数: 0
Climates of democracy: Skeptical, rational, and radical imaginaries 民主的气候:怀疑、理性和激进的想象
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-04-21 DOI: 10.1002/wcc.774
A. Machin
How will the theories and practices of democracy fare in a climate changing world? Are conventional democratic institutions ultimately doomed or are they able to become more responsive to a changing climate? Is there a need to reimagine democracy and how might it be reimagined? This article reviews the different responses to these questions by distinguishing between three “political imaginaries” in which the relationship between climate change and democracy takes distinct forms. I start by showing how the concept of “political imaginaries” can facilitate the comparison of the different ways in which the relation between democracy and climate change is constructed, before reviewing three such imaginaries. The skeptical imaginary, found in the “eco‐authoritarianism” of the 1970s that is echoed by much sociopolitical analysis today, casts doubt on the possibilities of democratic mechanisms to respond adequately and swiftly to the problem of climate change. Those who resist such skepticism often defend democracy by arguing that institutions and processes of democracy can be made more “ecologically rational”—the rational imaginary of climate democracy involves improvements in political representation and participation. Finally, I present the alternative radical democratic imaginary, in which the crisis of climate change provides a moment for the rupture of existing sociopolitical structures and the formation of alternatives. The article concludes that although none of these imaginaries is able to capture the entirety of climate change politics around the world, the radical democratic imaginary is responsive to the inevitable and valuable plurality around the issue of climate change.
在气候变化的世界里,民主的理论和实践将如何发展?传统的民主制度最终注定要失败,还是它们能够对不断变化的气候做出更积极的反应?是否有必要重新构想民主?如何重新构想民主?本文通过区分三种“政治想象”来回顾对这些问题的不同回应,在这三种“政治想象”中,气候变化与民主之间的关系采取了不同的形式。在回顾三个这样的想象之前,我首先展示了“政治想象”的概念如何有助于比较构建民主与气候变化之间关系的不同方式。在20世纪70年代的“生态权威主义”中发现的怀疑想象,在今天的许多社会政治分析中得到了回应,对民主机制对气候变化问题作出充分和迅速反应的可能性产生了怀疑。那些抵制这种怀疑的人经常通过争辩说民主制度和进程可以变得更加“生态理性”来捍卫民主——气候民主的理性想象包括政治代表和参与的改善。最后,我提出了另一种激进的民主想象,其中气候变化危机为现有社会政治结构的破裂和替代方案的形成提供了一个时刻。文章的结论是,尽管这些想象都无法捕捉到全球气候变化政治的全部,但激进的民主想象对围绕气候变化问题的不可避免和有价值的多元化做出了回应。
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引用次数: 6
Latent heat must be visible in climate communications 在气候通信中必须可见潜热
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-04-14 DOI: 10.1002/wcc.779
T. Matthews, M. Byrne, R. Horton, C. Murphy, R. Pielke, Colin Raymond, P. Thorne, R. Wilby
Anthropogenic forcing is driving energy accumulation in the Earth system, including increases in the sensible heat content of the atmosphere, as measured by dry‐bulb temperature—the metric that is almost universally used for communications about climate change. The atmosphere is also moistening, though, representing an accumulation of latent heat, which is partly concealed by dry‐bulb temperature trends. We highlight that, consistent with basic theory, latent heat gains are outpacing sensible heat gains over about half of the Earth's surface. The difference is largest in the tropics, where global “hotspots” of total heat accumulation are located, and where regional disparities in heating rates are very poorly represented by dry‐bulb temperatures. Including latent heat in climate‐change metrics captures this heat accumulation and therefore improves adaptation‐relevant understanding of the extreme humid heat and precipitation hazards that threaten these latitudes so acutely. For example, irrigation can lower peak dry‐bulb temperatures, but amplify latent heat content by a larger margin, intensifying dangerous heat stress. Based on a review of the research literature, our Perspective therefore calls for routine use of equivalent temperature, a measure that expresses the combined sensible and latent heat content of the atmosphere in the familiar units of °C or K. We recognize that dry‐bulb air temperature must remain a key indicator of the atmospheric state, not least for the many sectors that are sensitive to sensible heat transfer. However, we assert here that more widespread use of equivalent temperature could improve process understanding, public messaging, and adaptation to climate change.
人为作用力正在推动地球系统的能量积累,包括通过干球温度测量的大气显热含量的增加,干球温度是几乎普遍用于气候变化通信的指标。不过,大气也在变湿,这代表着潜热的积累,部分被干球温度趋势所掩盖。我们强调,根据基本理论,大约一半地球表面的潜热增益超过了显热增益。这种差异在热带地区最大,那里是全球总热量积累的“热点”所在地,而干球温度很难代表地区供暖率的差异。将潜热纳入气候变化指标可以捕捉这种热量积累,从而提高对极端湿热和降水危害的适应相关理解,这些危害严重威胁着这些纬度地区。例如,灌溉可以降低峰值干球温度,但会更大幅度地增加潜热含量,从而加剧危险的热应力。因此,基于对研究文献的回顾,我们的观点呼吁常规使用等效温度,这是一种以熟悉的单位表示大气的显热和潜热含量的测量方法 °C或K。我们认识到,干球空气温度必须仍然是大气状态的关键指标,尤其是对于许多对显热传递敏感的部门。然而,我们在这里断言,更广泛地使用等效温度可以提高对过程的理解、公共信息传递和对气候变化的适应。
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引用次数: 9
Scrutinizing tree‐ring parameters for Holocene climate reconstructions 全新世气候重建的树木年轮参数筛选
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-03-31 DOI: 10.1002/wcc.778
U. Büntgen
Independent evidence from Europe and Asia shows that tree‐ring stable isotopes can reveal persistent long‐term hydroclimate trends that are generally not captured by more traditional dendroclimatic studies using tree‐ring width or density. Since the recently observed long‐term discrepancy between flatter “growth‐dependent” and more varying “growth‐independent” climate proxy data is unrelated to possible biases of statistical age‐trend removal, I call for a conceptual rethinking of the predictive power of different tree‐ring parameters for reconstructing climate variability on interannual to multimillennial timescales. I describe why traditional “growth‐dependent” tree‐ring width and wood density measurements usually lack abiotic signals on ultra‐long timescales, whereas “growth‐independent” carbon and oxygen isotopic ratios from tree‐ring cellulose can capture environmental variation well beyond the segment length of individual tree‐ring samples. Caution is therefore advised when information from diverse tree‐ring parameters is combined in multiproxy reconstructions of Holocene climate that aim to reflect the full range of interannual to multimillennial variability. This Perspective not only emphasizes the paleoclimatic value that can be obtained from tree‐ring stable isotopes in living and relict wood. It also stresses the need for developing new high‐resolution isotopic datasets from different species and regions in both hemispheres to supplement the existing tree‐ring record.
来自欧洲和亚洲的独立证据表明,树木年轮稳定同位素可以揭示持续的长期水文气候趋势,而传统的树木年轮宽度或密度研究通常无法捕捉到这些趋势。由于最近观测到的较平的“生长依赖”和更变化的“生长独立”气候代理数据之间的长期差异与统计年龄趋势去除的可能偏差无关,我呼吁对不同树轮参数在年际到千年时间尺度上重建气候变率的预测能力进行概念上的重新思考。我描述了为什么传统的“生长依赖”的树木年轮宽度和木材密度测量通常在超长时间尺度上缺乏非生物信号,而“生长独立”的树木年轮纤维素碳和氧同位素比值可以捕捉到远远超出单个树木年轮样本片段长度的环境变化。因此,当将来自不同树木年轮参数的信息结合在全新世气候的多代理重建中,以反映年际到千年变化的全部范围时,建议谨慎。这一观点不仅强调了从活木和残木的树轮稳定同位素中获得的古气候价值。它还强调需要开发来自两个半球不同物种和地区的新的高分辨率同位素数据集,以补充现有的树木年轮记录。
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引用次数: 5
Globalization and climate change: State of knowledge, emerging issues, and policy implications 全球化与气候变化:知识现状、新出现的问题和政策影响
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-03-20 DOI: 10.1002/wcc.771
Michael Jakob
In an integrated global economy, trade policy and climate policy are closely intertwined. This paper adopts an interdisciplinary approach to provide an overview of the key debates in economics, political science, and legal studies related to globalization and climate change. We identify a number of emerging issues that deserve increased attention in future research in this direction. These include international financial flows, migration, telecommunication, and digitization as well as changing lifestyles and consumption patterns across the globe. We also present potential research question regarding the diversification of import and export portfolios in the face of growing climate impacts and the decarbonization of industry, aviation, and shipping. Finally, we discuss how these recent developments could shape trade and climate policy formulation. We conclude that ambitious climate policies seem more likely to flourish in an open world trading system which provides sufficient flexibility for individual countries to adopt nationally appropriate climate policies.
在一体化的全球经济中,贸易政策和气候政策紧密交织在一起。本文采用跨学科的方法,概述了经济学、政治学和法律研究中与全球化和气候变化有关的关键辩论。我们确定了一些新出现的问题,这些问题值得在未来这一方向的研究中给予更多关注。其中包括国际金融流动、移民、电信和数字化,以及全球不断变化的生活方式和消费模式。面对日益严重的气候影响以及工业、航空和航运的脱碳,我们还提出了关于进出口组合多样化的潜在研究问题。最后,我们讨论了这些最近的事态发展如何影响贸易和气候政策的制定。我们得出的结论是,雄心勃勃的气候政策似乎更有可能在一个开放的世界贸易体系中蓬勃发展,该体系为个别国家采取适合本国的气候政策提供了足够的灵活性。
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引用次数: 8
The diffusion of climate change adaptation policy 气候变化适应政策的推广
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-03-16 DOI: 10.1002/wcc.775
J. Schoenefeld, K. Schulze, Nils Bruch
Adapting to some level of climate change has become unavoidable. However, there is surprisingly limited systematic knowledge about whether and how adaptation policies have diffused and could diffuse in the future. Most existing adaptation studies do not explicitly examine policy diffusion, which is a form of interdependent policy‐making among jurisdictions at the same or across different levels of governance. To address this gap, we offer a new interpretation and assessment of the extensive adaptation policy literature through a policy diffusion perspective; we pay specific attention to diffusion drivers and barriers, motivations, mechanisms, outputs, and outcomes. We assess the extent to which four motivations and related mechanisms of policy diffusion—interests (linked with learning and competition), rights and duties (tied to coercion), ideology, and recognition (both connected with emulation)—are conceptually and empirically associated with adaptation. We also engage with adaptation policy characteristics, contextual conditions (e.g., problem severity) and different channels of adaptation policy diffusion (e.g., transnational networks). We demonstrate that adaptation policy diffusion can be associated with different mechanisms, yet many of them remain remarkably understudied. So are the effects of adaptation policy diffusion in terms of changes in vulnerability and resilience. We thus identify manifold avenues for future research, and provide insights for practitioners who may hope to leverage diffusion mechanisms to enhance their adaptation efforts.
适应某种程度的气候变化已经变得不可避免。然而,令人惊讶的是,关于适应政策是否以及如何扩散以及未来可能扩散的系统知识有限。大多数现有的适应研究都没有明确审查政策扩散,这是同一治理级别或不同治理级别的司法管辖区之间相互依存的政策制定形式。为了解决这一差距,我们从政策扩散的角度对广泛的适应政策文献进行了新的解释和评估;我们特别关注扩散的驱动因素和障碍、动机、机制、产出和结果。我们评估了政策扩散的四个动机和相关机制——利益(与学习和竞争相关)、权利和义务(与胁迫相关)、意识形态和认可(均与模仿相关)——在概念和经验上与适应相关的程度。我们还涉及适应政策的特点、背景条件(如问题严重程度)和适应政策传播的不同渠道(如跨国网络)。我们证明,适应政策的扩散可能与不同的机制有关,但其中许多机制仍然研究不足。适应政策扩散对脆弱性和复原力变化的影响也是如此。因此,我们确定了未来研究的多种途径,并为那些可能希望利用扩散机制来加强适应工作的从业者提供了见解。
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引用次数: 18
A call for a critical urban climatology: Lessons from critical physical geography 对批判城市气候学的呼吁:批判自然地理学的经验教训
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-03-10 DOI: 10.1002/wcc.773
Núbia Beray‐Armond
Urban climatology and environmental justice frequently share the same research site: the city. However, they study urban areas in distinct ways. Urban climatology has contributed to a better understanding of the urban boundary and canopy layer climates by embracing a broader and deeper investigation of the atmospheric and climatic specificities of the cities. Environmental justice has contributed a better understanding of how the poor and people of color are disproportionally affected by environmental problems. I argue here that we need both fields to fully understand urban climates because they are shaped both by legacies of colonialism, and race, gender, and class, and by the particularities of urban energy budgets and the variation in intra‐urban air quality and thermal‐hygrometric characteristics they drive. Critical physical geography can provide important analytical, theoretical, and methodological tools to help urban climatologists and environmental justice scholars work together toward the goal of social and environmental transformation.
城市气候学和环境正义经常共享同一个研究地点:城市。然而,他们以不同的方式研究城市地区。城市气候学通过对城市的大气和气候特征进行更广泛、更深入的调查,有助于更好地了解城市边界和冠层气候。环境正义有助于更好地理解穷人和有色人种如何不成比例地受到环境问题的影响。我在这里认为,我们需要这两个领域来充分了解城市气候,因为它们既受殖民主义、种族、性别和阶级的遗产的影响,也受城市能源预算的特殊性以及它们所驱动的城市内部空气质量和温湿度特征的变化的影响。批判性自然地理学可以提供重要的分析、理论和方法工具,帮助城市气候学家和环境正义学者共同努力实现社会和环境转型的目标。
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引用次数: 2
On the evaluation of climate change impact models 关于气候变化影响模式的评估
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-03-03 DOI: 10.1002/wcc.772
T. Wagener, R. Reinecke, F. Pianosi
In‐depth understanding of the potential implications of climate change is required to guide decision‐ and policy‐makers when developing adaptation strategies and designing infrastructure suitable for future conditions. Impact models that translate potential future climate conditions into variables of interest are needed to create the causal connection between a changing climate and its impact for different sectors. Recent surveys suggest that the primary strategy for validating such models (and hence for justifying their use) heavily relies on assessing the accuracy of model simulations by comparing them against historical observations. We argue that such a comparison is necessary and valuable, but not sufficient to achieve a comprehensive evaluation of climate change impact models. We believe that a complementary, largely observation‐independent, step of model evaluation is needed to ensure more transparency of model behavior and greater robustness of scenario‐based analyses. This step should address the following four questions: (1) Do modeled dominant process controls match our system perception? (2) Is my model's sensitivity to changing forcing as expected? (3) Do modeled decision levers show adequate influence? (4) Can we attribute uncertainty sources throughout the projection horizon? We believe that global sensitivity analysis, with its ability to investigate a model's response to joint variations of multiple inputs in a structured way, offers a coherent approach to address all four questions comprehensively. Such additional model evaluation would strengthen stakeholder confidence in model projections and, therefore, into the adaptation strategies derived with the help of impact models.
在制定适应策略和设计适合未来条件的基础设施时,需要深入了解气候变化的潜在影响,以指导决策者和决策者。需要将潜在的未来气候条件转化为感兴趣的变量的影响模型,以便在气候变化及其对不同部门的影响之间建立因果关系。最近的调查表明,验证这些模型的主要策略(并因此证明其使用的合理性)严重依赖于通过将模型模拟与历史观测结果进行比较来评估模型模拟的准确性。我们认为,这样的比较是必要和有价值的,但不足以实现对气候变化影响模型的全面评估。我们认为,需要一个互补的、在很大程度上与观测无关的模型评估步骤,以确保模型行为的透明度和基于情景的分析的更强的鲁棒性。这一步应该解决以下四个问题:(1)建模的主导过程控制是否与我们的系统感知相匹配?(2)模型对强迫变化的敏感性是否符合预期?(3)建模的决策杠杆是否显示出足够的影响?(4)我们能否在整个投影范围内确定不确定性来源?我们认为,全局敏感性分析能够以结构化的方式研究模型对多个输入的联合变化的响应,为全面解决所有四个问题提供了一致的方法。这种额外的模式评价将增强利益攸关方对模式预测的信心,从而增强他们对借助影响模型得出的适应战略的信心。
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引用次数: 14
Issue Information 问题信息
IF 9.2 1区 环境科学与生态学 Q1 Social Sciences Pub Date : 2022-03-01 DOI: 10.1002/wcc.716
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引用次数: 0
期刊
Wiley Interdisciplinary Reviews: Climate Change
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