Geophysical Research Letters最新文献_第9页

Hadley Cell Instability and Its Link to Tropical Depression-Type Waves 哈德利细胞不稳定及其与热带低气压型波的关系

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-23 DOI: 10.1029/2025GL116716

Qiao-Jun Lin, Ángel F. Adames Corraliza, Víctor C. Mayta

引用次数: 0

Boundary Layer Observations and Near-Surface Wind Estimation During the Landfalls of Hurricanes Ida (2021) and Zeta (2020) 飓风Ida（2021）和Zeta（2020）登陆期间的边界层观测和近地面风估算

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-23 DOI: 10.1029/2025GL117487

Zebulon W. Leffler, Xiaomin Chen, Lawrence D. Carey, Kevin Knupp, Wen-Chau Lee

{"title":"Boundary Layer Observations and Near-Surface Wind Estimation During the Landfalls of Hurricanes Ida (2021) and Zeta (2020)","authors":"Zebulon W. Leffler, Xiaomin Chen, Lawrence D. Carey, Kevin Knupp, Wen-Chau Lee","doi":"10.1029/2025GL117487","DOIUrl":"10.1029/2025GL117487","url":null,"abstract":"This study examines the boundary layer wind profile and turbulence variables during the landfalls of Hurricanes Ida (2021) and Zeta (2020) using ground-based Doppler radar observations and a nearby anemometer's wind measurements. While the radar sampled different parts of the hurricane circulation of the two cases, the observed maximum near-surface wind and frictional velocity were similar. Radar-retrieved wind profiles in both hurricanes revealed a boundary-layer jet generally >1 km AGL, descending toward smaller radii as the hurricanes moved inland. A “knee-like” structure in most wind profiles below the jet suggests an internal boundary layer (IBL) below 200 m and a log layer above it. Among the three methods for estimating near-surface sustained winds from radar-retrieved winds, leveraging low-level IBL winds improves estimation accuracy and reduces the uncertainty to the selection of upstream surface roughness length. These findings offer valuable guidance for developing future probabilistic near-surface wind products.","PeriodicalId":12523,"journal":{"name":"Geophysical Research Letters","volume":"52 18","pages":""},"PeriodicalIF":4.6,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2025GL117487","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145127381","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

Neighboring Segments Control on Earthquake Recurrence Patterns: Insights From Scaled Seismotectonic Models 邻近分段控制地震重现型：来自尺度地震构造模型的启示

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-22 DOI: 10.1029/2024GL114002

Elvira Latypova, Fabio Corbi, Giacomo Mastella, Francesca Funiciello, Marcos Moreno, Jonathan Bedford

{"title":"Neighboring Segments Control on Earthquake Recurrence Patterns: Insights From Scaled Seismotectonic Models","authors":"Elvira Latypova, Fabio Corbi, Giacomo Mastella, Francesca Funiciello, Marcos Moreno, Jonathan Bedford","doi":"10.1029/2024GL114002","DOIUrl":"10.1029/2024GL114002","url":null,"abstract":"Understanding the factors that influence the spatial and temporal rupture history of large subduction earthquakes is essential for seismic hazard assessment. In this study, we focus on one candidate: the interaction between neighboring asperities of different sizes and normal loads. We use scaled seismotectonic models to generate multi-cycle records of analog earthquakes. We quantify the coefficient of variation CoV of the recurrence time Rt at different points along the strike of the model. The lateral continuity of CoV measurements reveals agreement between analog earthquake periodicity and frictional segmentation. We observe quasi-periodic recurrence as well as various types of supercycles, including rupture cascades, clustered ruptures, and multi-asperity events, similar to observed behavior in subduction zones. Under certain experimental conditions, the behavior of our models shows similarity to observations in south-central Chile, where variations in normal stress, potentially detectable through gravity anomalies, can provide a basis for seismic segmentation and hazard assessment.","PeriodicalId":12523,"journal":{"name":"Geophysical Research Letters","volume":"52 18","pages":""},"PeriodicalIF":4.6,"publicationDate":"2025-09-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2024GL114002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145111133","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

A Review of 25 Annual Forecasts of Global Mean Surface Temperature Including the Record Warm Years 2023 and 2024 包括2023年和2024年创纪录暖年在内的全球平均地表温度25年预报综述

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-22 DOI: 10.1029/2025GL117308

C. K. Folland, A. W. Colman, N. J. Dunstone, D. M. Smith, A. A. Scaife

引用次数: 0

Impact of Fault Heterogeneity on Fracture Energy 断层非均质性对断裂能的影响

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-22 DOI: 10.1029/2025GL117272

Amir Sagy, Vladimir Lyakhovsky, Doron Morad, Yossef H. Hatzor, Ittai Kurzon

引用次数: 0

The Impact of Natural External Forcing on Ocean Heat Uptake Efficiency Since the 1980s 20世纪80年代以来自然外部强迫对海洋热吸收效率的影响

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-22 DOI: 10.1029/2025GL116305

Jia-Rui Shi, Laure Zanna, Alistair Adcroft

引用次数: 0

Diminished Chandler Wobble After 2015: Link to Mass Anomalies in 2011 2015年后钱德勒摆动减弱：与2011年质量异常有关

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-21 DOI: 10.1029/2025GL116191

Taehwan Jeon, Ki-Weon Seo, Kookhyoun Youm, Jooyoung Eom, Daeha Lee, Jianli Chen, Clark R. Wilson

引用次数: 0

Interplay of Loading and Adsorption Controls Elastic Deformation of Clastic and Crystalline Rocks 加载与吸附的相互作用控制着碎屑岩和结晶岩的弹性变形

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-21 DOI: 10.1029/2025GL117126

Rui Wu, Hongpu Kang, Fuqiang Gao, Bing Qiuyi Li, Kerry Leith, Qinghua Lei, Gennady Y. Gor, Paul A. Selvadurai, Xiangyuan Peng, Shuangyong Dong, Ying Li

{"title":"Interplay of Loading and Adsorption Controls Elastic Deformation of Clastic and Crystalline Rocks","authors":"Rui Wu, Hongpu Kang, Fuqiang Gao, Bing Qiuyi Li, Kerry Leith, Qinghua Lei, Gennady Y. Gor, Paul A. Selvadurai, Xiangyuan Peng, Shuangyong Dong, Ying Li","doi":"10.1029/2025GL117126","DOIUrl":"10.1029/2025GL117126","url":null,"abstract":"Rock elasticity varies with both mechanical loading and moisture content. Studies to date have only examined each effect independently, although moisture interactions with pore walls are likely coupled to mechanical stress. Here, we present experimental data specifically collected in sandstone and granite under simultaneous control of cyclic loading alongside ambient humidity approaching saturated vapor. Adsorption can account for 40% reduction in Young's modulus, which reduces to <math>\u0000 <semantics>\u0000 <mrow>\u0000 <mo><</mo>\u0000 </mrow>\u0000 <annotation> ${< } $</annotation>\u0000 </semantics></math>10% as uniaxial stress increases from below 1 MPa to below the elastic limit. The observation is explained by a micromechanical model linking grain-scale contact stiffness to pore-scale vapor adsorption, quantitatively capturing coupled stress-induced stiffening and adsorption-induced softening. The coupled behavior is interpreted as adsorption-induced softening becoming inhibited under greater mechanical loads. Our results suggest the coupled effects are strongest at overburden stresses between 3.3 and 10.6 MPa (140–450 m) in sandstone and 6–30.3 MPa (235–1,200 m) in granite.","PeriodicalId":12523,"journal":{"name":"Geophysical Research Letters","volume":"52 18","pages":""},"PeriodicalIF":4.6,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2025GL117126","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145103722","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

A Storyline Climate-Change Attribution Study of a High-Impact Hailstorm in Switzerland 瑞士一次高影响雹暴的气候变化归因研究

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-21 DOI: 10.1029/2025GL117142

R. J. Trapp, S. G. Lasher-Trapp, R. D. Claybrooke, O. Romppainen-Martius

引用次数: 0

Role of Active Folding in Rupture Arrest of a Great Thrust Earthquake 活动褶皱在大逆冲地震断裂抑制中的作用

IF 4.6 1区地球科学

Geophysical Research Letters Pub Date : 2025-09-21 DOI: 10.1029/2025GL117527

Weiwang Long, Zhigang Li, Yanjun Wang, Rafael Almeida, Giovanni Camanni, Chuang Sun, Weitao Wang, Chuanyong Wu, Xiangming Dai, Wen Sun, Xiancan Wu, Lianwen Wu, Jie Lin, Peizhen Zhang

{"title":"Role of Active Folding in Rupture Arrest of a Great Thrust Earthquake","authors":"Weiwang Long, Zhigang Li, Yanjun Wang, Rafael Almeida, Giovanni Camanni, Chuang Sun, Weitao Wang, Chuanyong Wu, Xiangming Dai, Wen Sun, Xiancan Wu, Lianwen Wu, Jie Lin, Peizhen Zhang","doi":"10.1029/2025GL117527","DOIUrl":"10.1029/2025GL117527","url":null,"abstract":"Understanding the cause and location of the end-points of thrust earthquake ruptures is critical yet unresolved question in seismic hazard assessment for convergent margins, where numerous destructive earthquakes have occurred. Here, we offer a novel perspective on rupture termination by examining the arrest of the 1906 M 8.0 Manas earthquake in northwestern China. Integrated field surveys, seismic profiles, and microseismicity data reveal that rupture terminated at the actively growing Xiaodushan anticline. This anticline lies parallel to and in the hanging wall of the seismogenic fault. We propose active folding acts as an efficient rupture-arrest barrier, partitioning seismic energy into strata uplift and microseismicity. Furthermore, comparative analysis of global thrust earthquakes identifies two termination mechanisms: fault geometric complexities and external structural barriers. These findings contribute to deeper understanding of rupture lengths and earthquake magnitudes for seismic hazard assessment in convergent margins globally.","PeriodicalId":12523,"journal":{"name":"Geophysical Research Letters","volume":"52 18","pages":""},"PeriodicalIF":4.6,"publicationDate":"2025-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2025GL117527","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145111108","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