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Geophysical Research Letters
Scopus
ISSN 1944-8007 · Wiley · 8.300 artikel di indeks
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Artikel Jurnal
Sea Ice Latent Heat Becomes More Active in the Arctic Sea Ice Energy Budget
Abstract Arctic sea ice has experienced rapid decrease in recent decades. The sea ice property changes have altered its thermodynamic processes, enhancing the heat exchange among atmosphere‐ocean‐ice surface. However, heat exchange associated with sea ice phase‐change process, which is defined as…
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The Observed Circumpolar Decline of Antarctic Bottom Water Volume
Abstract Antarctic Bottom Water (AABW) formation is a key component of the global overturning circulation, ventilating the abyssal ocean and sequestering heat and carbon. Using a new reconstruction from the SatGEM‐2 monthly‐varying gravest empirical mode climatology, a continuous…
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Track‐Dependent Links Between Tropical Cyclones and Extratropical Predictability in Physical and AI Models
Abstract Global medium‐range weather forecasts suffer occasional failures (“busts”) linked to tropical cyclones (TCs). We investigate TC influences on extratropical predictability by comparing forecasts from a physics‐based model (ECMWF‐IFS) and an AI‐hybrid model (Google‐NGCM) initialized near TC…
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Artikel Jurnal
Tracing the Abyssal Water Pathways in the Indian Ocean
Abstract Antarctic‐origin abyssal waters occupy a significant fraction of the global ocean volume and play a key role in deep circulation and ventilation, yet their volume is declining rapidly in a warming climate. Although the Indian Ocean (IO) contains a substantial fraction of these waters…
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First Kinetic 3‐D Simulations of the High‐Latitude Electrojet Spanning an Entire Turbulent Flux Tube
Abstract Radar and rocket observations of the terrestrial ionosphere frequently measure turbulent plasma waves, especially during geospace storms. The non‐linear behavior of these waves remains poorly characterized. This paper presents the first fully kinetic 3‐D particle‐in‐cell simulations of…
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Evaluation and Future Changes of Mesoscale Convective Systems Over the Conterminous United States in High‐Resolution Global and Regional Simulations
Abstract Mesoscale convective systems (MCSs) play a central role in producing extreme precipitation over the conterminous United States (CONUS), yet their simulation and future evolution remain elusive. Here we present a comprehensive, observation‐constrained evaluation of MCSs during 2001–2020…
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The Short and Long Timescale Responses of the Inner Magnetospheric EMIC Waves to the Solar Wind Dynamic Pressure
Abstract The causal relationships between solar wind dynamic pressure and Electromagnetic Ion‐Cyclotron (EMIC) H+, He+, O+ waves at L=3−6 are investigated with transfer entropy at short (45 min) timescales. The short timescale responses of H+ and He+ bands around noon can be attributed to the…
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The Significance of Inherited Crustal Thickening in Surface Uplift of Hangai Dome in Central Mongolia
Abstract The Hangai Dome in central Mongolia represents one of the most prominent intracontinental uplifts, yet the relative contributions of crustal and mantle dynamics in sustaining its high topography remain unresolved. Here we jointly invert Rayleigh wave dispersion and receiver function data…
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Direct Observations of Large‐Scale Wave Structure and Post‐Sunset Rise of the Ionosphere in the Generation of Equatorial Spread F
Abstract Large‐scale wave structure (LSWS) and the post‐sunset rise (PSSR) are two key factors in the generation of equatorial spread F (ESF). In this study, we reported continuous and direct observations of LSWS and PSSR and their effects on seeding ESF by Sanya incoherent scatter radar (SYISR)…
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Artikel Jurnal
Exsolution, Evolution, and Hysteresis of CO2 Nanobubbles in Water‐Saturated Sandstone
Abstract Understanding CO2 nanobubble formation in water‐saturated sandstone is critical for understanding fluid behavior in CO2 storage systems. Here, CO2 exsolution from an aqueous phase in a sandstone was investigated using small‐angle neutron scattering at 50°C during cyclic depressurization…
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Artikel Jurnal
Tidal Mixing on the Antarctic Continental Slope Enhances Ocean Heat Transport With Implications for Sea Ice
Abstract Ocean microstructure measurements collected during three austral summers (2023–2025) along the Antarctic continental slope off Dronning Maud Land show enhanced subsurface mixing. Mean turbulent dissipation between 100 and 800 m depth is an order of magnitude higher than in the open ocean…
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Artikel Jurnal
Tropical Pacific as a Pacemaker of Recent Decadal Anticyclonic Intensification Over the Barents–Kara Sea
Abstract Under anthropogenic warming, a strengthened wintertime anticyclonic anomaly over the Barents–Kara Sea (BKS) has emerged as a hallmark of recent Arctic climate change. While local forcing from sea ice loss has been widely emphasized, the quantitative contribution of remote tropical forcing…
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Stratospheric Ozone Depletion Causes Southern Ocean Surface Cooling
Abstract Stratospheric ozone depletion strongly influences Southern Ocean climate change. Using coupled climate model simulations, we quantify the transient effect of stratospheric ozone depletion on sea surface temperature (SST) over the Southern Ocean from 1982 to 2005. We find that stratospheric…
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Artikel Jurnal
High‐Resolution Tomography for the Upper‐Mantle Structure in North China by Full‐Waveform Inversion of Teleseismic P Wave and Its Codas
Abstract We investigate the structure and tectonic environment in the crust and upper mantle beneath the North China Craton (NCC) by conducting a full‐waveform inversion of teleseismic P and its coda waves from densely distributed broadband seismic stations. A high‐resolution model involving P‐ and…
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Accelerated European Summer Warming Driven by Atmospheric Circulation Changes in Response to Aerosol Forcing
Abstract Compared to observations, climate models underestimate the recent increase of European summer temperatures, due to an underestimation of Quasi‐stationary Rossby Wave (QSW) trends over Europe. This is partially due to unpredictable internal variability and partially due to an…
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Artikel Jurnal
Quantification of Heat and Salt Budgets in the Western Ross Ice Shelf Cavity and Polynya System
Abstract The Ross Ice Shelf Polynya (RISP) is one of the primary production sites of the High Salinity Shelf Water (HSSW), the precursor of Antarctic Bottom Water (AABW) that drives the lower limb of global meridional overturning circulation. Utilizing a multi‐platform historical data set gathered…
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Artikel Jurnal
Are Time and Temperature the Simple Answer to the Dolomite Problem?
Abstract Dolomite is among the most common carbonate minerals in ancient rocks but its formation is rarely observed today, a longstanding puzzle known as the “Dolomite Problem.” Recent advances in experimental mineralogy, geochemistry, and global abundance reconstructions have begun to resolve this…
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Artikel Jurnal
AI Agent for Hydrologic Modeling: Definition, Development, and Application
Abstract Hydrologic modeling supports flood forecasting and water resources management, but complex preprocessing, parameterization, and configuration limit broader use. This study defines a six‐level framework for artificial intelligence (AI)‐agent autonomy in hydrologic modeling and develops a…
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Artikel Jurnal
Increases in Southeast Pacific Low‐Cloudiness During ENSO Warm Phases
Abstract Changes in cloud fraction associated with Central Pacific and Eastern Pacific El Niños are analyzed using monthly cloud data from the International Satellite Cloud Climatology Project, meteorological variables from the European Center for Medium Range Weather Forecasting reanalysis version…
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Artikel Jurnal
Drivers of 2023–2024 Atmospheric CO2 Growth: Role of Northern Mid‐to‐High Latitude Land Carbon Cycle
Abstract The global atmospheric CO2 growth rate in 2023–2024 reached an unprecedented level, exceeding all records since modern monitoring began. Using a CO2 flux inversion, constrained by column‐averaged CO2 observations from Greenhouse gases Observing SATellite (GOSAT), we investigated…
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