Reviews of Geophysics最新文献

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Toward an Improved Understanding of the Antarctic Coastal Zone and Its Contribution to Future Global Sea Level 进一步了解南极海岸带及其对未来全球海平面的贡献
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2026-09-01 DOI: 10.1029/2022rg000803
Kenichi Matsuoka,Geir Moholdt,Jennifer F. Arthur,Julien A. Bodart,Xiangbin Cui,Fausto Ferraccioli,René Forsberg,Vikram Goel,Tom A. Jordan,Felicity S. McCormack,Ruth Mottram,Hamish D. Pritchard,Calvin Shackleton,Kirsty J. Tinto,Fredrik Boberg,Marie G. P. Cavitte,Reinhard Drews,Pierre Dutrieux,Jörg Ebbing,Olaf Eisen,Hannes Eisermann,Alex S. Gardner,Chad A. Greene,Nicholas Holschuh,Stewart S. R. Jamieson,Byeong‐Hoon Kim,Naomi Krauzig,Bernd Kulessa,Carlton Leuschen,Jilu Li,Lu Li,Jonas Liebsch,Joseph A. MacGregor,Emma MacKie,Anirudha Mahagaonkar,Joséphine Maton,Mathieu Morlighem,Francisco Navarro,Peter D. Neff,Inès N. Otosaka,Frank Pattyn,Antonia Ruppel,Rebecca J. Sanderson,Hélène Seroussi,Andrew Shepherd,Matthew R. Siegfried,Thomas Slater,Arjen P. Stroeven,Michael Studinger,Thomas Teisberg,Ryan A. Venturelli,Jeremy P. Winberry,Chen Zhao,Lu An,Jonathan L. Bamber,Robin E. Bell,Robert G. Bingham,Johanna Brehmer‐Moltmann,Graeme Eagles,Jamin Greenbaum,Jorn Gronset,Won Sang Lee,Emmanuel Le Meur,Lenneke M. Jong,Katrin Lindbäck,Sven Lidström,Mareen Lösing,Masahiro Minowa,Mayuri Pandey,Yogesh Ray,Mirko Scheinert,Dustin M. Schroeder,Thorsten Seehaus,Kaian Shahateet,Daniel Steinhage,Xueyuan Tang,Drew Taylor,Hannah Verboncoeur,Junjun Yang,Duncan A. Young
{"title":"Toward an Improved Understanding of the Antarctic Coastal Zone and Its Contribution to Future Global Sea Level","authors":"Kenichi Matsuoka,Geir Moholdt,Jennifer F. Arthur,Julien A. Bodart,Xiangbin Cui,Fausto Ferraccioli,René Forsberg,Vikram Goel,Tom A. Jordan,Felicity S. McCormack,Ruth Mottram,Hamish D. Pritchard,Calvin Shackleton,Kirsty J. Tinto,Fredrik Boberg,Marie G. P. Cavitte,Reinhard Drews,Pierre Dutrieux,Jörg Ebbing,Olaf Eisen,Hannes Eisermann,Alex S. Gardner,Chad A. Greene,Nicholas Holschuh,Stewart S. R. Jamieson,Byeong‐Hoon Kim,Naomi Krauzig,Bernd Kulessa,Carlton Leuschen,Jilu Li,Lu Li,Jonas Liebsch,Joseph A. MacGregor,Emma MacKie,Anirudha Mahagaonkar,Joséphine Maton,Mathieu Morlighem,Francisco Navarro,Peter D. Neff,Inès N. Otosaka,Frank Pattyn,Antonia Ruppel,Rebecca J. Sanderson,Hélène Seroussi,Andrew Shepherd,Matthew R. Siegfried,Thomas Slater,Arjen P. Stroeven,Michael Studinger,Thomas Teisberg,Ryan A. Venturelli,Jeremy P. Winberry,Chen Zhao,Lu An,Jonathan L. Bamber,Robin E. Bell,Robert G. Bingham,Johanna Brehmer‐Moltmann,Graeme Eagles,Jamin Greenbaum,Jorn Gronset,Won Sang Lee,Emmanuel Le Meur,Lenneke M. Jong,Katrin Lindbäck,Sven Lidström,Mareen Lösing,Masahiro Minowa,Mayuri Pandey,Yogesh Ray,Mirko Scheinert,Dustin M. Schroeder,Thorsten Seehaus,Kaian Shahateet,Daniel Steinhage,Xueyuan Tang,Drew Taylor,Hannah Verboncoeur,Junjun Yang,Duncan A. Young","doi":"10.1029/2022rg000803","DOIUrl":"https://doi.org/10.1029/2022rg000803","url":null,"abstract":"Abstract Understanding the coastal zone of the Antarctic Ice Sheet (AIS), where it interacts with the Southern Ocean and warmer air masses, is crucial for predicting Antarctica's influence on the global climate and sea level. This region has multiple tipping mechanisms that could trigger large, rapid, and potentially irreversible changes in the AIS, the Southern Ocean and their global connections in the coming centuries. The AIS remains the largest source of uncertainty in future sea‐level projections. Bed topography beneath the ice shelves and the coastal ice sheet is not yet well documented, and is a major source of this uncertainty. This review assesses current knowledge of the coastal zone and highlights methods to investigate it, including aerogeophysical surveys, ground‐ and ship‐based measurements, satellite observations, and computer modeling. An ensemble analysis of published bed topography data sets identifies significant data gaps and their regional distribution, framed in the context of current ice‐sheet behavior and potential instability. We propose scientific priorities and guidelines for future aerogeophysical surveys, advocating for a comprehensive, coordinated international effort to build a next‐generation data set of Antarctic bed properties. Such an initiative would significantly advance understanding of the role of coastal processes in ice‐sheet dynamics, reducing uncertainties in sea‐level rise projections and improving predictions of future ocean and climate changes.","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"17 1","pages":""},"PeriodicalIF":25.2,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148895308","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
Inside the Fire Plume Chemical Interactions: A Review on Key Processes and Future Directions 火羽内部化学相互作用:关键过程和未来发展方向综述
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2026-09-01 DOI: 10.1029/2025rg000899
E. Dovrou,A. Voulgarakis
{"title":"Inside the Fire Plume Chemical Interactions: A Review on Key Processes and Future Directions","authors":"E. Dovrou,A. Voulgarakis","doi":"10.1029/2025rg000899","DOIUrl":"https://doi.org/10.1029/2025rg000899","url":null,"abstract":"Abstract Fire plumes are rising columns of heated air masses, consisting of gaseous and particulate matter generated by combustion, affecting air quality, climate and public health. The chemical species released undergo secondary reactions and participate in chemical and physical interactions, altering the properties of the fire plume. The ability of the plume to be transported across short and long distances, depending on the atmospheric conditions, reveals the high importance of unraveling the chemical pathways influencing its inner and outer pollutants. Fresh plumes, close to the fire source, typically exhibit high temperatures and rapid reactions. In contrast, aged plumes differ in composition due to shifts in chemical regimes. The presence of sunlight influences oxidative reactions, while its absence favors oxidation paths driven by NO x chemistry. The complexity of fire plume chemistry presents challenges in efficient characterization of species formation and decomposition. It also directly influences gas‐phase species chemical pathways, in‐plume evolution and formation of secondary air pollutants, as well as particulate matter composition and fate. This review provides a detailed description of the chemical mechanisms and pathways inside fresh and aged fire plumes and discusses the implications of critical parameters influencing plume composition. Main tracers are identified, and key processes are described, with information reviewed from laboratory, field, and satellite studies. Unaddressed aspects and emerging opportunities are discussed to provide potential future directions of investigation.","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"57 1","pages":""},"PeriodicalIF":25.2,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148895311","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
Composition of the Martian Crust and Its Relationship to the Martian Mantle: A Post‐InSight View 火星地壳的组成及其与火星地幔的关系:一个后洞察的观点
IF 25.2 1区 地球科学
Reviews of Geophysics Pub Date : 2026-08-30 DOI: 10.1029/2025rg000882
S. M. McLennan,A. Khan,P. A. Sossi,K. W. Cheng,C. Liebske
{"title":"Composition of the Martian Crust and Its Relationship to the Martian Mantle: A Post‐InSight View","authors":"S. M. McLennan,A. Khan,P. A. Sossi,K. W. Cheng,C. Liebske","doi":"10.1029/2025rg000882","DOIUrl":"https://doi.org/10.1029/2025rg000882","url":null,"abstract":"Abstract Concerted exploration and a ten‐fold increase in Martian meteorites reveal a mostly ancient (>4 Ga), lithologically diverse mafic crust (igneous SiO 2 ranging from ∼40%–70%), commonly exhibiting alkaline affinities and with felsic compositions restricted to ancient crust. Most crustal growth (∼80%) took place during the pre‐Noachian, resulting from magma ocean processes. Later crustal additions continued at diminishing rates to the latest Amazonian (<200 Ma). Data from the first fully operational seismometer (InSight mission) indicate the crust is 49  7 km thick on average (∼4  1% of the primitive mantle), with an intracrustal discontinuity, of possible global extent, at about 20–30 km depth. InSight results also suggest a ∼150 km‐thick molten silicate layer (MSL) at the base of the mantle, a possible remnant of the early magma ocean. The MSL represents a distinctive, incompatible (including heat producing) element‐enriched geochemical reservoir, comparable in physical size to the crust. A model for Martian crustal composition indicates a mildly incompatible and heat‐producing element‐enriched basaltic composition (e.g., SiO 2  = 48%, K 2 O = 0.5%, La N /Yb N  ∼ 1.8) that becomes less incompatible element‐enriched over geological time. The petrological nature of the crust likely varies in a complex way with depth that may explain the intracrustal seismic discontinuity. The crust contains ∼45  10% of the most incompatible elements in the primitive mantle and this composition is consistent with a mass balance model among crust, MSL, “depleted” mantle and primitive mantle. A geodynamic model for Mars can be constructed that is consistent with geophysical and geochemical constraints currently available.","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"12 1","pages":""},"PeriodicalIF":25.2,"publicationDate":"2026-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148895313","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
Measuring Ocean Surface Waves 测量海面波
IF 38.5 1区 地球科学
Reviews of Geophysics Pub Date : 2026-08-13 DOI: 10.1029/2025RG000888
Clarence O. Collins III, Andre Amador, Alexander Babanin, James Behrens, Alvise Benetazzo, Filippo Bergamasco, Chris Blenkinsopp, Philippe Bonneton, Øyvind Breivik, Kai H. Christensen, Luke Colosi, Kevin Ewans, Johannes Gemmrich, Hannah Glover, Laurent Grare, Vika Grigorieva, Sergey Gulev, Danièle Hauser, Lars R. Hole, Gaute Hope, Isabel Houghton, Je-Yuan Hsu, Nathan J. M. Laxague, Luc Lenain, Björn Lund, Annika O’Dea, Mara Pistellato, Anne Karin Magnusson, Kévin Martins, Yoshinao Matsuba, Mark McAllister, Sophia Merrifield, Malte Müller, Marcello Passaro, Jean Rabault, Hugh Roarty, Alexei Skvortsov, Pieter Smit, Madison M. Smith, Hitoshi Tamura, Eric Terrill, Natalia Tilinina, Ben Timmermans, Jim Thomson, Joey Voermans, Meagan Wengrove, Lucy R. Wyatt, Jeseon Yoo, Ian Young, Christopher J. Zappa, Dongxiao Zhang
{"title":"Measuring Ocean Surface Waves","authors":"Clarence O. Collins III,&nbsp;Andre Amador,&nbsp;Alexander Babanin,&nbsp;James Behrens,&nbsp;Alvise Benetazzo,&nbsp;Filippo Bergamasco,&nbsp;Chris Blenkinsopp,&nbsp;Philippe Bonneton,&nbsp;Øyvind Breivik,&nbsp;Kai H. Christensen,&nbsp;Luke Colosi,&nbsp;Kevin Ewans,&nbsp;Johannes Gemmrich,&nbsp;Hannah Glover,&nbsp;Laurent Grare,&nbsp;Vika Grigorieva,&nbsp;Sergey Gulev,&nbsp;Danièle Hauser,&nbsp;Lars R. Hole,&nbsp;Gaute Hope,&nbsp;Isabel Houghton,&nbsp;Je-Yuan Hsu,&nbsp;Nathan J. M. Laxague,&nbsp;Luc Lenain,&nbsp;Björn Lund,&nbsp;Annika O’Dea,&nbsp;Mara Pistellato,&nbsp;Anne Karin Magnusson,&nbsp;Kévin Martins,&nbsp;Yoshinao Matsuba,&nbsp;Mark McAllister,&nbsp;Sophia Merrifield,&nbsp;Malte Müller,&nbsp;Marcello Passaro,&nbsp;Jean Rabault,&nbsp;Hugh Roarty,&nbsp;Alexei Skvortsov,&nbsp;Pieter Smit,&nbsp;Madison M. Smith,&nbsp;Hitoshi Tamura,&nbsp;Eric Terrill,&nbsp;Natalia Tilinina,&nbsp;Ben Timmermans,&nbsp;Jim Thomson,&nbsp;Joey Voermans,&nbsp;Meagan Wengrove,&nbsp;Lucy R. Wyatt,&nbsp;Jeseon Yoo,&nbsp;Ian Young,&nbsp;Christopher J. Zappa,&nbsp;Dongxiao Zhang","doi":"10.1029/2025RG000888","DOIUrl":"https://doi.org/10.1029/2025RG000888","url":null,"abstract":"<p>Propagating waves on the ocean surface can be represented as a stochastic process whose statistics are characterized by a spectrum. This paper reviews methods for measuring the wave spectrum and related quantities. Observations begin by sensing fluid dynamical properties of the sea surface over space and/or time. Visual observations, collected routinely since the mid-18th century, comprise the longest-running wave record. Nearshore measurement methods continue to advance, including traditional pressure and acoustic sensing as well as newer technologies like distributed acoustic sensing and LiDAR. Detailed small-scale wave physics can now be explored with measurement techniques using light, including stereo-imaging and polarimetry. Reductions in the size, cost, and power consumption of microelectronics have propagated through ocean wave instrumentation, most notably in wave buoys. Global networks of freely drifting miniature wave buoys offer novel observational capabilities. Remote sensing techniques based on radar and LiDAR continue to evolve and are widely deployed from land, ships, aircraft, autonomous vehicles, and satellites. Spaceborne altimeters form one of the most important records of wave height, and new spaceborne sensors now observe directional spectra globally with sampling akin to traditional altimetry. Aircraft and autonomous systems provide strategic sampling capabilities for detailed process studies and access to extreme storm environments. The quality and quantity of ocean wave measurements have never been greater. This review aims to help make sense of it all.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"64 3","pages":""},"PeriodicalIF":38.5,"publicationDate":"2026-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148753813","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
Changing Dynamics of the Arctic Ocean–Ice System: Drivers, Feedbacks, and Future Trajectories 北极海洋-冰系统的动态变化:驱动因素、反馈和未来轨迹
IF 38.5 1区 地球科学
Reviews of Geophysics Pub Date : 2026-07-24 DOI: 10.1029/2025RG000908
Igor V. Polyakov, Qinghua Ding, Marika M. Holland, Julienne Stroeve
{"title":"Changing Dynamics of the Arctic Ocean–Ice System: Drivers, Feedbacks, and Future Trajectories","authors":"Igor V. Polyakov,&nbsp;Qinghua Ding,&nbsp;Marika M. Holland,&nbsp;Julienne Stroeve","doi":"10.1029/2025RG000908","DOIUrl":"https://doi.org/10.1029/2025RG000908","url":null,"abstract":"<p>The Arctic is undergoing rapid and disproportionate climate change, driven by tightly coupled interactions among the ocean, sea ice, and atmosphere. This review synthesizes current understanding of historical and projected changes in the Arctic ocean–ice system, emphasizing the role of variability across timescales—from seasonal to multidecadal—in shaping observed trends. We highlight the interconnected nature of Arctic system components, focusing on feedbacks—including emerging coupled ocean–ice processes—pathways, and mechanisms that link variability and long-term change. Particular attention is given to state-dependent and potentially nonlinear responses, as well as to the roles of remote forcing and increasing connectivity with sub-Arctic regions. We assess the relative contributions of internal variability and anthropogenic forcing, highlighting key challenges in attribution, and identify priorities for improving future projections. This synthesis provides a process-based framework for understanding Arctic change and its growing influence on the global climate system.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"64 3","pages":""},"PeriodicalIF":38.5,"publicationDate":"2026-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148615610","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
River Sand and Gravel Mining: Global Drivers, Impacts, and Pathways for Sustainable Management 河砂和砾石开采:可持续管理的全球驱动因素、影响和途径
IF 38.5 1区 地球科学
Reviews of Geophysics Pub Date : 2026-07-20 DOI: 10.1029/2024RG000868
Edward Park, Christopher R. Hackney, Dung Duc Tran, Mette Bendixen, Jim Best, Kai Wan Yuen, Hannah Runeckles, Md Sadiul Alam Chyon, Karl Kästner, Sonu Kumar, Halinishi Yusuf, Vanessa Lamb, Lars L. Iversen, Aelis Spiller, Rajiv Sinha, Eduardo Francisco da Silva, Enner Alcantara, Chengcheng Wu, Chengpeng Lu, Chu Jian, Jingyu Wang, Nguyen Duc Thien, Lian Feng, Priyank Pravin Patel, Jiachun Huang, Adam D. Switzer
{"title":"River Sand and Gravel Mining: Global Drivers, Impacts, and Pathways for Sustainable Management","authors":"Edward Park,&nbsp;Christopher R. Hackney,&nbsp;Dung Duc Tran,&nbsp;Mette Bendixen,&nbsp;Jim Best,&nbsp;Kai Wan Yuen,&nbsp;Hannah Runeckles,&nbsp;Md Sadiul Alam Chyon,&nbsp;Karl Kästner,&nbsp;Sonu Kumar,&nbsp;Halinishi Yusuf,&nbsp;Vanessa Lamb,&nbsp;Lars L. Iversen,&nbsp;Aelis Spiller,&nbsp;Rajiv Sinha,&nbsp;Eduardo Francisco da Silva,&nbsp;Enner Alcantara,&nbsp;Chengcheng Wu,&nbsp;Chengpeng Lu,&nbsp;Chu Jian,&nbsp;Jingyu Wang,&nbsp;Nguyen Duc Thien,&nbsp;Lian Feng,&nbsp;Priyank Pravin Patel,&nbsp;Jiachun Huang,&nbsp;Adam D. Switzer","doi":"10.1029/2024RG000868","DOIUrl":"https://doi.org/10.1029/2024RG000868","url":null,"abstract":"<p>River sand and gravel are mined worldwide at volumes that now rival their natural replenishment, yet quantitative knowledge of this mining activity and its consequences lags far behind many other global environmental pressures. We synthesize 411 peer-reviewed studies published since 1974 within a new Driver-to-Management Pathway for Sustainable Sand and Gravel Mining framework that links socio-economic demand, spatial-temporal extent of extraction, hydrogeomorphic change, socio-ecological disruption, and management response. Evidence shows a pronounced scale mismatch: regional-to-global drivers fuel largely unreported local extraction, while impacts propagate well beyond mining sites. In most documented cases, annual removal exceeds bed-material supply several-fold, producing channel incision, bank collapse, declining groundwater tables, deteriorating water quality, and inland migration of saline water in coastal areas. These physical changes cascade into habitat loss, infrastructure damage, and livelihood insecurity, especially across rapidly developing regions of Asia and Africa. Despite the proliferation of impact studies (69% of the literature), research is dominated by hydrogeomorphic perspectives, with ecological and socio-economic impacts far more often treated as secondary or co-occurring components rather than primary foci; meanwhile, only 27% of studies quantify extraction extent and 24% analyze demand drivers, hampering the design of effective interventions. Together, these findings highlight the need for basin-scale monitoring, cross-boundary governance, and demand-side interventions that explicitly link extraction limits to sediment budgets.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"64 3","pages":""},"PeriodicalIF":38.5,"publicationDate":"2026-07-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2024RG000868","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148533990","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
Collisionless Shocks: Contemporary State After Three Quarters of a Century of Research 无碰撞冲击:四分之三世纪研究后的当代状态
IF 38.5 1区 地球科学
Reviews of Geophysics Pub Date : 2026-07-18 DOI: 10.1029/2025RG000893
M. Gedalin, M. Balikhin, V. Krasnoselskikh
{"title":"Collisionless Shocks: Contemporary State After Three Quarters of a Century of Research","authors":"M. Gedalin,&nbsp;M. Balikhin,&nbsp;V. Krasnoselskikh","doi":"10.1029/2025RG000893","DOIUrl":"https://doi.org/10.1029/2025RG000893","url":null,"abstract":"<p>The collisionless shock research started in the late 1950s. Since then, plenty of data have been accumulated due to the large number of missions in the heliosphere, providing in situ measurements of the fields and particles. The quality of these measurements has vastly improved, especially in the last two decades. Much more data is available for analysis than is already analyzed. Theoretical studies received a push in 1966, when it was shown that shocks are formed due to the interplay between the nonlinear steepening and dispersive broadening of the magnetic field profile. At present, it is a common point of view that shocks are essentially shaped by the kinetics of ions. So far, we achieved a good semi-quantitative understanding of the ion heating in low-Mach number shocks and the relation of this process to the magnetic profile, and a qualitative understanding of the ion reflection and the nature of the well-structured magnetic field. Rippled and nonstationary quasi-perpendicular shocks have been observed, and theory is being developed.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"64 3","pages":""},"PeriodicalIF":38.5,"publicationDate":"2026-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2025RG000893","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148533572","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
The Role of Bubbles in Air-Sea Gas Exchange: A Critical Review 气泡在海气交换中的作用:评述
IF 38.5 1区 地球科学
Reviews of Geophysics Pub Date : 2026-07-18 DOI: 10.1029/2025RG000903
Yuanxu Dong, Bernd Jähne, David K. Woolf, Kerstin E. Krall, Mingxi Yang, Helen Czerski, Junhong Liang, Ian M. Brooks, Craig L. McNeil, Rik Wanninkhof, David T. Ho, Dariia Atamanchuk, Christa A. Marandino
{"title":"The Role of Bubbles in Air-Sea Gas Exchange: A Critical Review","authors":"Yuanxu Dong,&nbsp;Bernd Jähne,&nbsp;David K. Woolf,&nbsp;Kerstin E. Krall,&nbsp;Mingxi Yang,&nbsp;Helen Czerski,&nbsp;Junhong Liang,&nbsp;Ian M. Brooks,&nbsp;Craig L. McNeil,&nbsp;Rik Wanninkhof,&nbsp;David T. Ho,&nbsp;Dariia Atamanchuk,&nbsp;Christa A. Marandino","doi":"10.1029/2025RG000903","DOIUrl":"https://doi.org/10.1029/2025RG000903","url":null,"abstract":"<p>Air-sea gas exchange regulates the exchange of climatically important gases between the ocean and the atmosphere, shaping both climate and ocean biogeochemistry. Bubbles beneath the sea surface enhance this exchange by introducing an additional transfer pathway in parallel to the interfacial transfer route. Although the role of bubbles in gas flux has been debated since the 1980s, recent advances in laboratory experiments, field observations, and modeling have provided new insights. Bubble-mediated gas transfer differs from interfacial transfer in three key ways: (a) it shows strong nonlinearity with wind speed due to its link with wave breaking; (b) it depends on gas solubility because of the finite volume and short lifetime of bubbles; and (c) it shifts the equilibrium toward slight oversaturation through the overpressure of submerged bubbles. These characteristics make bubble-mediated gas transfer complicated to quantify, and existing observations and models indicate a wide range of bubble contributions to air-sea carbon dioxide and oxygen exchange. Three critical knowledge gaps are identified: (a) limited understanding of near-surface (0–1 m) bubble dynamics, including volume flux, size distribution, and evolution, which directly control the solubility and diffusivity dependence of bubble-mediated gas exchange; (b) the absence of consistent field constraints spanning the full range of gas solubilities; and (c) the lack of knowledge to scale laboratory results to oceanic conditions. Addressing these gaps will require integrated efforts combining near-surface bubble measurements and simulations, field observations of gas transfer across diverse solubilities using complementary techniques, and improved modeling frameworks.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"64 3","pages":""},"PeriodicalIF":38.5,"publicationDate":"2026-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2025RG000903","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148533573","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
The Lightning Return Stroke Current: Formation, Propagation, Attenuation, and Dispersion Through the Lens of the Telegrapher's Equations 闪电回击电流:形成、传播、衰减和通过电报员方程式透镜的色散
IF 38.5 1区 地球科学
Reviews of Geophysics Pub Date : 2026-07-09 DOI: 10.1029/2025RG000914
C. L. da Silva, L. Baeza, J. Wemhoner, S. Orizaga
{"title":"The Lightning Return Stroke Current: Formation, Propagation, Attenuation, and Dispersion Through the Lens of the Telegrapher's Equations","authors":"C. L. da Silva,&nbsp;L. Baeza,&nbsp;J. Wemhoner,&nbsp;S. Orizaga","doi":"10.1029/2025RG000914","DOIUrl":"https://doi.org/10.1029/2025RG000914","url":null,"abstract":"<p>The lightning return stroke is the most impactful aspect of a lightning flash. It has a transformative effect on the Earth system by igniting wildfires and by fixing nitrogen oxides in the atmosphere. It also has important detrimental impacts on societal infrastructure by causing billions of dollars in losses every year to power transmission and communications industries. The impacts of a lightning return stroke are due to its intense electrical current, which surges when lightning channels connect to a ground structure, and travels rapidly through those channels toward the cloud. The intense energy deposition in the atmosphere results in emissions across the entire electromagnetic spectrum. In this work, we present an overview on how to calculate the lightning return stroke electrical current using the Telegrapher's Equations, which describe the propagation of electrical signals guided by a conductor. This article has three main goals. First, it presents a tutorial overview on how to assemble a basic model of the lightning return stroke. Second, the article explains from basic principles the dominant features of the current wave, including: the genesis of channel-base current, and the subsequent propagation, attenuation, and dispersion. Third, it also serves as a literature review by drawing parallels between the return stroke properties inferred from the Telegrapher's Equations and those established in previous theoretical and experimental research.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"64 3","pages":""},"PeriodicalIF":38.5,"publicationDate":"2026-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148533211","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
Rock Physics of the Critical Zone: Models, Inversion, and Interpretation 临界带的岩石物理:模型、反演和解释
IF 37.3 1区 地球科学
Reviews of Geophysics Pub Date : 2026-05-30 DOI: 10.1029/2025RG000912
Dario Grana, Brady A. Flinchum, Denys Grombacher, Andrew D. Parsekian, Clifford S. Riebe, W. Steven Holbrook
{"title":"Rock Physics of the Critical Zone: Models, Inversion, and Interpretation","authors":"Dario Grana,&nbsp;Brady A. Flinchum,&nbsp;Denys Grombacher,&nbsp;Andrew D. Parsekian,&nbsp;Clifford S. Riebe,&nbsp;W. Steven Holbrook","doi":"10.1029/2025RG000912","DOIUrl":"https://doi.org/10.1029/2025RG000912","url":null,"abstract":"<p>Rock physics models link geophysical measurements with subsurface petrophysical properties, such as porosity, mineral composition, and fluid saturation. While originally developed for hydrocarbon exploration, these models are increasingly applied in the near surface for quantitative interpretation of geophysical data. This review focuses on their application to the subsurface component of the critical zone, which extends from soil to the base of weathered bedrock and controls key hydrological, geomorphological, and ecological processes. Its structure and heterogeneity remain difficult to characterize due to limited direct subsurface observations. As a result, critical zone studies of the subsurface have relied on indirect geophysical measurements, which are spatially extensive and are used to interpret structural variations, property heterogeneity, and physical processes. However, geophysical measurements alone do not yield petrophysical properties. Rock physics models combined with geophysical inversion provide a tool to translate geophysical data into subsurface petrophysical properties. In this review, we present a synthesis of rock physics models for the prediction of geophysical properties of unsaturated and saturated porous media, focusing on their formulations and assumptions in near-surface applications involving seismic, electrical, electromagnetic, and nuclear magnetic resonance methods. We then discuss their integration in geophysical inversion studies for the petrophysical characterization of the critical zone. We assess the capabilities, strengths, and limitations of rock physics models and inversion methods in critical zone applications, illustrated with case studies from the Southern Sierra and Laramie Range, and show how the resulting quantitative estimates of petrophysical properties inform hydrogeological studies and reduce uncertainty in model predictions.</p>","PeriodicalId":21177,"journal":{"name":"Reviews of Geophysics","volume":"64 2","pages":""},"PeriodicalIF":37.3,"publicationDate":"2026-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1029/2025RG000912","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148167120","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
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