Reviews of Geophysics最新文献

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Global Land Subsidence: Impact of Climate Extremes and Human Activities 全球土地沉降:极端气候和人类活动的影响
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-11-02 DOI: 10.1029/2023rg000817
Laurie S. Huning, Charlotte A. Love, Hassan Anjileli, Farshid Vahedifard, Yunxia Zhao, Pedro L. B. Chaffe, Kevin Cooper, Aneseh Alborzi, Edward Pleitez, Alexandre Martinez, Samaneh Ashraf, Iman Mallakpour, Hamed Moftakhari, Amir AghaKouchak
{"title":"Global Land Subsidence: Impact of Climate Extremes and Human Activities","authors":"Laurie S. Huning, Charlotte A. Love, Hassan Anjileli, Farshid Vahedifard, Yunxia Zhao, Pedro L. B. Chaffe, Kevin Cooper, Aneseh Alborzi, Edward Pleitez, Alexandre Martinez, Samaneh Ashraf, Iman Mallakpour, Hamed Moftakhari, Amir AghaKouchak","doi":"10.1029/2023rg000817","DOIUrl":"https://doi.org/10.1029/2023rg000817","url":null,"abstract":"Globally, land subsidence (LS) often adversely impacts infrastructure, humans, and the environment. As climate change intensifies the terrestrial hydrologic cycle and severity of climate extremes, the interplay among extremes (e.g., floods, droughts, wildfires, etc.), LS, and their effects must be better understood since LS can alter the impacts of extreme events, and extreme events can drive LS. Furthermore, several processes causing subsidence (e.g., ice-rich permafrost degradation, oxidation of organic matter) have been shown to also release greenhouse gases, accelerating climate change. Our review aims to synthesize these complex relationships, including human activities contributing to LS, and to identify the causes and rates of subsidence across diverse landscapes. We primarily focus on the era of synthetic aperture radar (SAR), which has significantly contributed to advancements in our understanding of ground deformations around the world. Ultimately, we identify gaps and opportunities to aid LS monitoring, mitigation, and adaptation strategies and guide interdisciplinary efforts to further our process-based understanding of subsidence and associated climate feedbacks. We highlight the need to incorporate the interplay of extreme events, LS, and human activities into models, risk and vulnerability assessments, and management practices to develop improved mitigation and adaptation strategies as the global climate warms. Without consideration of such interplay and/or feedback loops, we may underestimate the enhancement of climate change and acceleration of LS across many regions, leaving communities unprepared for their ramifications. Proactive and interdisciplinary efforts should be leveraged to develop strategies and policies that mitigate or reverse anthropogenic LS and climate change impacts.","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142563106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics, Monitoring, and Forecasting of Tephra in the Atmosphere 大气中热碎屑的动力学、监测和预测
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-10-29 DOI: 10.1029/2023RG000808
F. Pardini, S. Barsotti, C. Bonadonna, M. de’ Michieli Vitturi, A. Folch, L. Mastin, S. Osores, A. T. Prata
{"title":"Dynamics, Monitoring, and Forecasting of Tephra in the Atmosphere","authors":"F. Pardini,&nbsp;S. Barsotti,&nbsp;C. Bonadonna,&nbsp;M. de’ Michieli Vitturi,&nbsp;A. Folch,&nbsp;L. Mastin,&nbsp;S. Osores,&nbsp;A. T. Prata","doi":"10.1029/2023RG000808","DOIUrl":"https://doi.org/10.1029/2023RG000808","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <p>Explosive volcanic eruptions inject hot mixtures of solid particles (tephra) and gasses into the atmosphere. Entraining ambient air, these mixtures can form plumes rising tens of kilometers until they spread laterally, forming umbrella clouds. While the largest clasts tend to settle in proximity to the volcano, the smallest fragments, commonly referred to as ash (≤2 mm in diameter), can be transported over long distances, forming volcanic clouds. Tephra plumes and clouds pose significant hazards to human society, affecting infrastructure, and human health through deposition on the ground or airborne suspension at low altitudes. Additionally, volcanic clouds are a threat to aviation, during both high-risk actions such as take-off and landing and at standard cruising altitudes. The ability to monitor and forecast tephra plumes and clouds is fundamental to mitigate the hazard associated with explosive eruptions. To that end, various monitoring techniques, ranging from ground-based instruments to sensors on-board satellites, and forecasting strategies, based on running numerical models to track the position of volcanic clouds, are efficiently employed. However, some limitations still exist, mainly due to the high unpredictability and variability of explosive eruptions, as well as the multiphase and complex nature of volcanic plumes. In the next decades, advances in monitoring and computational capabilities are expected to address these limitations and significantly improve the mitigation of the risk associated with tephra plumes and clouds.</p>\u0000 </section>\u0000 </div>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2023RG000808","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142541023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Age of Stratospheric Air: Progress on Processes, Observations, and Long-Term Trends 平流层空气的年龄:过程、观测和长期趋势方面的进展
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-10-21 DOI: 10.1029/2023RG000832
H. Garny, F. Ploeger, M. Abalos, H. Bönisch, A. E. Castillo, T. von Clarmann, M. Diallo, A. Engel, J. C. Laube, M. Linz, J. L. Neu, A. Podglajen, E. Ray, L. Rivoire, L. N. Saunders, G. Stiller, F. Voet, T. Wagenhäuser, K. A. Walker
{"title":"Age of Stratospheric Air: Progress on Processes, Observations, and Long-Term Trends","authors":"H. Garny,&nbsp;F. Ploeger,&nbsp;M. Abalos,&nbsp;H. Bönisch,&nbsp;A. E. Castillo,&nbsp;T. von Clarmann,&nbsp;M. Diallo,&nbsp;A. Engel,&nbsp;J. C. Laube,&nbsp;M. Linz,&nbsp;J. L. Neu,&nbsp;A. Podglajen,&nbsp;E. Ray,&nbsp;L. Rivoire,&nbsp;L. N. Saunders,&nbsp;G. Stiller,&nbsp;F. Voet,&nbsp;T. Wagenhäuser,&nbsp;K. A. Walker","doi":"10.1029/2023RG000832","DOIUrl":"10.1029/2023RG000832","url":null,"abstract":"<p>Age of stratospheric air is a well established metric for the stratospheric transport circulation. Rooted in a robust theoretical framework, this approach offers the benefit of being deducible from observations of trace gases. Given potential climate-induced changes, observational constraints on stratospheric circulation are crucial. In the past two decades, scientific progress has been made in three main areas: (a) Enhanced process understanding and the development of process diagnostics led to better quantification of individual transport processes from observations and to a better understanding of model deficits. (b) The global age of air climatology is now well constrained by observations thanks to improved quality and quantity of data, including global satellite data, and through improved and consistent age calculation methods. (c) It is well established and understood that global models predict a decrease in age, that is, an accelerating stratospheric circulation, in response to forcing by greenhouse gases and ozone depleting substances. Observational records now confirm long-term forced trends in mean age in the lower stratosphere. However, in the mid-stratosphere, uncertainties in observational records are too large to confirm or disprove the model predictions. Continuous monitoring of stratospheric trace gases and further improved methods to derive age from those tracers will be crucial to better constrain variability and long-term trends from observations. Future work on mean age as a metric for stratospheric transport will be important due to its potential to enhance the understanding of stratospheric composition changes, address climate model biases, and assess the impacts of proposed climate geoengineering methods.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2023RG000832","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142451944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Managing Induced Seismicity Risks From Enhanced Geothermal Systems: A Good Practice Guideline 管理强化地热系统的诱发地震风险:良好做法指南
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-10-08 DOI: 10.1029/2024RG000849
Wen Zhou, Federica Lanza, Iason Grigoratos, Ryan Schultz, Julia Cousse, Evelina Trutnevyte, Annemarie Muntendam-Bos, Stefan Wiemer
{"title":"Managing Induced Seismicity Risks From Enhanced Geothermal Systems: A Good Practice Guideline","authors":"Wen Zhou,&nbsp;Federica Lanza,&nbsp;Iason Grigoratos,&nbsp;Ryan Schultz,&nbsp;Julia Cousse,&nbsp;Evelina Trutnevyte,&nbsp;Annemarie Muntendam-Bos,&nbsp;Stefan Wiemer","doi":"10.1029/2024RG000849","DOIUrl":"10.1029/2024RG000849","url":null,"abstract":"<p>Geothermal energy is a green source of power that could play an important role in climate-conscious energy portfolios; enhanced geothermal systems (EGS) have the potential to scale up exploitation of thermal resources. During hydraulic fracturing, fluids injected under high-pressure cause the rock mass to fail, stimulating fractures that improve fluid connectivity. However, this increase of pore fluid pressure can also reactivate pre-existing fault systems, potentially inducing earthquakes of significant size. Induced earthquakes are a significant concern for EGS operations. In some cases, ground shaking nuisance, building damages, or injuries have spurred the early termination of projects (e.g., Basel, Pohang). On the other hand, EGS operations at Soultz-sous-Forêts (France), Helsinki (Finland), Blue Mountain (Nevada, USA), and Utah FORGE (USA) have adequately managed induced earthquake risks. The success of an EGS operation depends on economical reservoir enhancements, while maintaining acceptable seismic risk levels. This requires state-of-the-art seismic risk management. This article reviews domains of seismology, earthquake engineering, risk management, and communication. We then synthesize “good practice” recommendations for evaluating, mitigating, and communicating the risk of induced seismicity. We advocate for a modular approach. Recommendations are provided for key technical aspects including (a) a seismic risk management framework, (b) seismic risk pre-screening, (c) comprehensive seismic hazard and risk evaluation, (d) traffic light protocol designs, (e) seismic monitoring implementation, and (f) step-by-step communication plans. Our recommendations adhere to regulatory best practices, to ensure their general applicability. Our guidelines provide a template for effective earthquake risk management and future research directions.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2024RG000849","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142384987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multi-Scale Soil Salinization Dynamics From Global to Pore Scale: A Review 从全球到孔隙尺度的多尺度土壤盐碱化动力学:综述
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-09-27 DOI: 10.1029/2023RG000804
Nima Shokri, Amirhossein Hassani, Muhammad Sahimi
{"title":"Multi-Scale Soil Salinization Dynamics From Global to Pore Scale: A Review","authors":"Nima Shokri,&nbsp;Amirhossein Hassani,&nbsp;Muhammad Sahimi","doi":"10.1029/2023RG000804","DOIUrl":"10.1029/2023RG000804","url":null,"abstract":"<p>Soil salinization refers to the accumulation of water-soluble salts in the upper part of the soil profile. Excessive levels of soil salinity affects crop production, soil health, and ecosystem functioning. This phenomenon threatens agriculture, food security, soil stability, and fertility leading to land degradation and loss of essential soil ecosystem services that are fundamental to sustaining life. In this review, we synthesize recent advances in soil salinization at various spatial and temporal scales, ranging from global to core, pore, and molecular scales, offering new insights and presenting our perspective on potential future research directions to address key challenges and open questions related to soil salinization. Globally, we identify significant challenges in understanding soil salinity, which are (a) the considerable uncertainty in estimating the total area of salt-affected soils, (b) geographical bias in ground-based measurements of soil salinity, and (c) lack of information and data detailing secondary salinization processes, both in dry- and wetlands, particularly concerning responses to climate change. At the core scale, the impact of salt precipitation with evolving porous structure on the evaporative fluxes from porous media is not fully understood. This knowledge is crucial for accurately predicting soil water loss due to evaporation. Additionally, the effects of transport properties of porous media, such as mixed wettability conditions, on the saline water evaporation and the resulting salt precipitation patterns remain unclear. Furthermore, effective continuum equations must be developed to accurately represent experimental data and pore-scale numerical simulations.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2023RG000804","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142328944","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Synthetic Aperture Radar for Geosciences 用于地球科学的合成孔径雷达
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-09-03 DOI: 10.1029/2023RG000821
Lingsheng Meng, Chi Yan, Suna Lv, Haiyang Sun, Sihan Xue, Quankun Li, Lingfeng Zhou, Deanna Edwing, Kelsea Edwing, Xupu Geng, Yiren Wang, Xiao-Hai Yan
{"title":"Synthetic Aperture Radar for Geosciences","authors":"Lingsheng Meng,&nbsp;Chi Yan,&nbsp;Suna Lv,&nbsp;Haiyang Sun,&nbsp;Sihan Xue,&nbsp;Quankun Li,&nbsp;Lingfeng Zhou,&nbsp;Deanna Edwing,&nbsp;Kelsea Edwing,&nbsp;Xupu Geng,&nbsp;Yiren Wang,&nbsp;Xiao-Hai Yan","doi":"10.1029/2023RG000821","DOIUrl":"10.1029/2023RG000821","url":null,"abstract":"<p>Synthetic Aperture Radar (SAR) has emerged as a pivotal technology in geosciences, offering unparalleled insights into Earth's surface. Indeed, its ability to provide high-resolution, all-weather, and day-night imaging has revolutionized our understanding of various geophysical processes. Recent advancements in SAR technology, that is, developing new satellite missions, enhancing signal processing techniques, and integrating machine learning algorithms, have significantly broadened the scope and depth of geosciences. Therefore, it is essential to summarize SAR's comprehensive applications for geosciences, especially emphasizing recent advancements in SAR technologies and applications. Moreover, current SAR-related review papers have primarily focused on SAR technology or SAR imaging and data processing techniques. Hence, a review that integrates SAR technology with geophysical features is needed to highlight the significance of SAR in addressing challenges in geosciences, as well as to explore SAR's potential in solving complex geoscience problems. Spurred by these requirements, this review comprehensively and in-depth reviews SAR applications for geosciences, broadly including various aspects in air-sea dynamics, oceanography, geography, disaster and hazard monitoring, climate change, and geosciences data fusion. For each applied field, the scientific advancements produced because of SAR are demonstrated by combining the SAR techniques with characteristics of geophysical phenomena and processes. Further outlooks are also explored, such as integrating SAR data with other geophysical data and conducting interdisciplinary research to offer comprehensive insights into geosciences. With the support of deep learning, this synergy will enhance the capability to model, simulate, and forecast geophysical phenomena with greater accuracy and reliability.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142123963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Developing, Testing, and Communicating Earthquake Forecasts: Current Practices and Future Directions 开发、测试和传播地震预报:当前实践与未来方向
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-08-13 DOI: 10.1029/2023RG000823
Leila Mizrahi, Irina Dallo, Nicholas J. van der Elst, Annemarie Christophersen, Ilaria Spassiani, Maximilian J. Werner, Pablo Iturrieta, José A. Bayona, Iunio Iervolino, Max Schneider, Morgan T. Page, Jiancang Zhuang, Marcus Herrmann, Andrew J. Michael, Giuseppe Falcone, Warner Marzocchi, David Rhoades, Matt Gerstenberger, Laura Gulia, Danijel Schorlemmer, Julia Becker, Marta Han, Lorena Kuratle, Michèle Marti, Stefan Wiemer
{"title":"Developing, Testing, and Communicating Earthquake Forecasts: Current Practices and Future Directions","authors":"Leila Mizrahi,&nbsp;Irina Dallo,&nbsp;Nicholas J. van der Elst,&nbsp;Annemarie Christophersen,&nbsp;Ilaria Spassiani,&nbsp;Maximilian J. Werner,&nbsp;Pablo Iturrieta,&nbsp;José A. Bayona,&nbsp;Iunio Iervolino,&nbsp;Max Schneider,&nbsp;Morgan T. Page,&nbsp;Jiancang Zhuang,&nbsp;Marcus Herrmann,&nbsp;Andrew J. Michael,&nbsp;Giuseppe Falcone,&nbsp;Warner Marzocchi,&nbsp;David Rhoades,&nbsp;Matt Gerstenberger,&nbsp;Laura Gulia,&nbsp;Danijel Schorlemmer,&nbsp;Julia Becker,&nbsp;Marta Han,&nbsp;Lorena Kuratle,&nbsp;Michèle Marti,&nbsp;Stefan Wiemer","doi":"10.1029/2023RG000823","DOIUrl":"10.1029/2023RG000823","url":null,"abstract":"<p>While deterministically predicting the time and location of earthquakes remains impossible, earthquake forecasting models can provide estimates of the probabilities of earthquakes occurring within some region over time. To enable informed decision-making of civil protection, governmental agencies, or the public, Operational Earthquake Forecasting (OEF) systems aim to provide authoritative earthquake forecasts based on current earthquake activity in near-real time. Establishing OEF systems involves several nontrivial choices. This review captures the current state of OEF worldwide and analyzes expert recommendations on the development, testing, and communication of earthquake forecasts. An introductory summary of OEF-related research is followed by a description of OEF systems in Italy, New Zealand, and the United States. Combined, these two parts provide an informative and transparent snapshot of today's OEF landscape. In Section 4, we analyze the results of an expert elicitation that was conducted to seek guidance for the establishment of OEF systems. The elicitation identifies consensus and dissent on OEF issues among a non-representative group of 20 international earthquake forecasting experts. While the experts agree that communication products should be developed in collaboration with the forecast user groups, they disagree on whether forecasting models and testing methods should be user-dependent. No recommendations of strict model requirements could be elicited, but benchmark comparisons, prospective testing, reproducibility, and transparency are encouraged. Section 5 gives an outlook on the future of OEF. Besides covering recent research on earthquake forecasting model development and testing, upcoming OEF initiatives are described in the context of the expert elicitation findings.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2023RG000823","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141980989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Closing the Loops on Southern Ocean Dynamics: From the Circumpolar Current to Ice Shelves and From Bottom Mixing to Surface Waves 南大洋动力学的闭环:从环极洋流到冰架,从海底混合到表面波
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-07-30 DOI: 10.1029/2022RG000781
Luke G. Bennetts, Callum J. Shakespeare, Catherine A. Vreugdenhil, Annie Foppert, Bishakhdatta Gayen, Amelie Meyer, Adele K. Morrison, Laurie Padman, Helen E. Phillips, Craig L. Stevens, Alessandro Toffoli, Navid C. Constantinou, Jesse M. Cusack, Ajitha Cyriac, Edward W. Doddridge, Matthew H. England, D. Gwyn Evans, Petra Heil, Andrew McC. Hogg, Ryan M. Holmes, Wilma G. C. Huneke, Nicole L. Jones, Shane R. Keating, Andrew E. Kiss, Noa Kraitzman, Alena Malyarenko, Craig D. McConnochie, Alberto Meucci, Fabien Montiel, Julia Neme, Maxim Nikurashin, Ramkrushnbhai S. Patel, Jen-Ping Peng, Matthew Rayson, Madelaine G. Rosevear, Taimoor Sohail, Paul Spence, Geoffrey J. Stanley
{"title":"Closing the Loops on Southern Ocean Dynamics: From the Circumpolar Current to Ice Shelves and From Bottom Mixing to Surface Waves","authors":"Luke G. Bennetts,&nbsp;Callum J. Shakespeare,&nbsp;Catherine A. Vreugdenhil,&nbsp;Annie Foppert,&nbsp;Bishakhdatta Gayen,&nbsp;Amelie Meyer,&nbsp;Adele K. Morrison,&nbsp;Laurie Padman,&nbsp;Helen E. Phillips,&nbsp;Craig L. Stevens,&nbsp;Alessandro Toffoli,&nbsp;Navid C. Constantinou,&nbsp;Jesse M. Cusack,&nbsp;Ajitha Cyriac,&nbsp;Edward W. Doddridge,&nbsp;Matthew H. England,&nbsp;D. Gwyn Evans,&nbsp;Petra Heil,&nbsp;Andrew McC. Hogg,&nbsp;Ryan M. Holmes,&nbsp;Wilma G. C. Huneke,&nbsp;Nicole L. Jones,&nbsp;Shane R. Keating,&nbsp;Andrew E. Kiss,&nbsp;Noa Kraitzman,&nbsp;Alena Malyarenko,&nbsp;Craig D. McConnochie,&nbsp;Alberto Meucci,&nbsp;Fabien Montiel,&nbsp;Julia Neme,&nbsp;Maxim Nikurashin,&nbsp;Ramkrushnbhai S. Patel,&nbsp;Jen-Ping Peng,&nbsp;Matthew Rayson,&nbsp;Madelaine G. Rosevear,&nbsp;Taimoor Sohail,&nbsp;Paul Spence,&nbsp;Geoffrey J. Stanley","doi":"10.1029/2022RG000781","DOIUrl":"10.1029/2022RG000781","url":null,"abstract":"<p>A holistic review is given of the Southern Ocean dynamic system, in the context of the crucial role it plays in the global climate and the profound changes it is experiencing. The review focuses on connections between different components of the Southern Ocean dynamic system, drawing together contemporary perspectives from different research communities, with the objective of closing loops in our understanding of the complex network of feedbacks in the overall system. The review is targeted at researchers in Southern Ocean physical science with the ambition of broadening their knowledge beyond their specific field, and aims at facilitating better-informed interdisciplinary collaborations. For the purposes of this review, the Southern Ocean dynamic system is divided into four main components: large-scale circulation; cryosphere; turbulence; and gravity waves. Overviews are given of the key dynamical phenomena for each component, before describing the linkages between the components. The reviews are complemented by an overview of observed Southern Ocean trends and future climate projections. Priority research areas are identified to close remaining loops in our understanding of the Southern Ocean system.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2022RG000781","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141795047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Soil Moisture Memory: State-Of-The-Art and the Way Forward 土壤水分记忆:最新技术与前进方向
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-05-22 DOI: 10.1029/2023RG000828
Mehdi Rahmati, Wulf Amelung, Cosimo Brogi, Jacopo Dari, Alessia Flammini, Heye Bogena, Luca Brocca, Hao Chen, Jannis Groh, Randal D. Koster, Kaighin A. McColl, Carsten Montzka, Shirin Moradi, Arash Rahi, Farnaz Sharghi S., Harry Vereecken
{"title":"Soil Moisture Memory: State-Of-The-Art and the Way Forward","authors":"Mehdi Rahmati,&nbsp;Wulf Amelung,&nbsp;Cosimo Brogi,&nbsp;Jacopo Dari,&nbsp;Alessia Flammini,&nbsp;Heye Bogena,&nbsp;Luca Brocca,&nbsp;Hao Chen,&nbsp;Jannis Groh,&nbsp;Randal D. Koster,&nbsp;Kaighin A. McColl,&nbsp;Carsten Montzka,&nbsp;Shirin Moradi,&nbsp;Arash Rahi,&nbsp;Farnaz Sharghi S.,&nbsp;Harry Vereecken","doi":"10.1029/2023RG000828","DOIUrl":"https://doi.org/10.1029/2023RG000828","url":null,"abstract":"<p>Soil moisture is an essential climate variable of the Earth system. Understanding its spatiotemporal dynamics is essential for predicting weather patterns and climate variability, monitoring and mitigating the effects and occurrence of droughts and floods, improving irrigation in agricultural areas, and sustainably managing water resources. Here we review in depth how soils can remember information on soil moisture anomalies over time, as embedded in the concept of soil moisture memory (SMM). We explain the mechanisms underlying SMM and explore its external and internal drivers; we also discuss the impacts of SMM on different land surface processes, focusing on soil-plant-atmosphere coupling. We explore the spatiotemporal variability, seasonality, locality, and depth-dependence of SMM and provide insights into both improving its characterization in land surface models and using satellite observations to quantify it. Finally, we offer guidance for further research on SMM.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2023RG000828","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141078925","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advances in Mapping Lowermost Mantle Convective Flow With Seismic Anisotropy Observations 利用地震各向异性观测绘制最下部地幔对流图的进展
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2024-05-17 DOI: 10.1029/2023RG000833
Jonathan Wolf, Mingming Li, Maureen D. Long, Edward Garnero
{"title":"Advances in Mapping Lowermost Mantle Convective Flow With Seismic Anisotropy Observations","authors":"Jonathan Wolf,&nbsp;Mingming Li,&nbsp;Maureen D. Long,&nbsp;Edward Garnero","doi":"10.1029/2023RG000833","DOIUrl":"10.1029/2023RG000833","url":null,"abstract":"<p>Convective flow in the deep mantle controls Earth's dynamic evolution, influences plate tectonics, and has shaped Earth's current surface features. Present and past convection-induced deformation manifests itself in seismic anisotropy, which is particularly strong in the mantle's uppermost and lowermost portions. While the general patterns of seismic anisotropy have been mapped for the upper mantle, anisotropy in the lowermost mantle (called D′′) is at an earlier stage of exploration. Here we review recent progress in methods to measure and interpret D′′ anisotropy. Our understanding of the limitations of existing methods and the development of new measurement strategies have been aided enormously by the availability of high-performance computing resources. We give an overview of how measurements of seismic anisotropy can help constrain the mineralogy and fabric of the deep mantle. Specifically, new and creative strategies that combine multiple types of observations provide much tighter constraints on the geometry of anisotropy than have previously been possible. We also discuss how deep mantle seismic anisotropy provides insights into lowermost mantle dynamics. We summarize what we have learned so far from measurements of D′′ anisotropy, how inferences of lowermost mantle flow from measurements of seismic anisotropy relate to geodynamic models of mantle flow, and what challenges we face going forward. Finally, we discuss some of the important unsolved problems related to the dynamics of the lowermost mantle that can be elucidated in the future by combining observations of seismic anisotropy with geodynamic predictions of lowermost mantle flow.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":null,"pages":null},"PeriodicalIF":25.2,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140954555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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