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Showing 4351 to 4400 of 59105 works
ide3a: A Digital Campus for Transdisciplinary Research on Interconnected Urban Critical Infrastructure Systems
Urbanization and climate change are exacerbating stress on aging urban critical infrastructure systems, including water, energy, mobility, and telecommunication networks. Simulati…
How Old is the Ordovician-Silurian Boundary GSSP at Dob's Linn, Scotland?
Dob’s Linn (Scotland) is a location that has significantly influenced our understanding of how life evolved over the Ordovician to early Silurian. The current chronostratigraphic …
Robust climate responses to extreme solar minimum forcing and their hemispheric differences
Fundamental understanding of the climate responses to solar variability is obscured by the large and complex climate variability. This long-standing issue is addressed here by exa…
Improving the forecasting of winter crop yields in northern China with machine learning-dynamical hybrid subseasonal-to…
Subseasonal-to-seasonal (S2S) prediction of winter wheat yields is crucial for farmers and decision-makers to reduce yield losses and ensure food security. Recently, numerous rese…
Serendipitous Internal Wave Signals in Deep Argo Data
Serendipitous measurements of deep internal wave signatures are evident in variations in the descent rates of certain Deep Argo floats (Deep SOLO models), which oscillate around a…
Relocation of the 1982 Miramichi, New Brunswick, Canada, aftershock sequence
On 9 January 1982, in the Miramichi region of New Brunswick, Canada, an earthquake with body-wave magnitude (mb) 5.7 occurred. Itwas followed by extensive aftershocks and felt thr…
Meteorologically-Informed Spatial Planning of European PV Deployment to Reduce Multiday Generation Variability
Renewable generation variability over multiple days is a key challenge in decarbonizing the European power system. Weather regimes are one way to quantify this variability, but so…
A meteor radar network study on the polar-to-tropical mesospheric coupling during the 2018 Sudden Stratosphere Warming
Using advanced meteor radar network observations along with ERA5 data, we report observational evidence of polar to tropical mesospheric teleconnections during the 2018 major sudd…
Celestial Mechanics and Estimating the Termination of the Holocene
This paper addresses several issues concerning Milankovitch Theory and its relationship to paleoclimate data over the last 800,000 years. A model is presented that deconvolutes th…
The GOES-R Solar UltraViolet Imager
The four Solar UltraViolet Imagers on board the GOES-16 and GOES-17 and the upcoming GOES-T and GOES-U weather satellites serve as NOAA's operational solar coronal imagers. These …
Inner Magnetospheric Electric Field and its Influence on Plasmasphere Erosion and Plasma Sheet Access
The large-scale electric field in the inner magnetosphere is a key driver of many processes and the dynamics of magnetospheric plasmas. During geomagnetic storms, the enhanced con…
Deep learning to estimate model biases in an operational NWP assimilation system
Model error is one of the main obstacles to improved accuracy and reliability in numerical weather prediction (NWP) conducted with state-of-the-art atmospheric models. To deal wit…
On the seasonal cycle of the statistical properties of Sea Surface Temperature
The contribution of ocean fronts to the properties and temporal evolution of Sea Surface Temperature (SST) structure functions have been investigated using a numerical model of th…
New Hydrometeorological Instrument Cluster at Inglefield Land, NW Greenland
Mass loss from the Greenland Ice Sheet (GrIS) is a primary contributor to sea level rise, but substantial uncertainty exists in estimates of future ice sheet losses. Surface mass …
Magma mixing during conduit flow is reflected in melt-inclusion data from persistently degassing volcanoes
Persistent volcanic activity is thought to be linked to degassing, but volatile transport at depth cannot be observed directly. Instead, we rely on indirect constraints such as CO…
Repopulating Earthquake Catalog in the Hindu Kush-Pamir Region using Attentive Deep Learning Model
Seismology data is overgrowing and is outpacing the development of processing algorithms. This tremendous increase in high-quality data can help better understand the earthquake p…
Spaceborne evidence that ice-nucleating particles influence cloud phase
Mixed-phase clouds (MPCs), which consist of both supercooled cloud droplets and ice crystals, play an important role in the Earth’s radiative energy budget and hydrological cycle.…
Impacts of Extreme Climates on Vegetation in the Middle to High latitudes of Asia
This study investigated the synchronous responses of vegetation to extreme temperatures and/or precipitation in the middle to high latitudes of Asia using semi-monthly observation…
icclim: Calculating Climate Indices and Indicators Made Easy
Researchers and end users using climate data face a challenge when they analyze the data they need. Data volumes are increasing very rapidly, and the ability to download all neede…
Seasonal Ice Zone Reconnaissance Surveys for Aircraft-Based Eulerian and Lagrangian Sampling of a Changing Arctic
Seasonal Ice Zone Reconnaissance Surveys (SIZRS) is a multi-investigator program of repeated ocean, ice, and atmospheric measurements. These measurements make use of U.S. Coast Gu…
Majority of production shocks for major US crops explained by fluctuations in planted and harvested area
Ensuring the stability of food production is essential for adapting food systems to rising climate variability. Food production instability is determined by changes in yield, plan…
Building bridges over troubled waters
Water security is a global threat that is intensifying with increasing demands for freshwater and climate change. Scientific advances provide tools to address issues of water quan…
Optimizing Earthquake Nowcasting with Machine Learning: The Role of Strain Hardening in the Earthquake Cycle
Nowcasting is a term originating from economics, finance and meteorology. It refers to the process of determining the uncertain state of the economy, markets or the weather at the…
Impacts of Climate Change on Subannual Hydropower Generation: A Multi-model Assessment of the United States Federal Hyd…
Hydropower is a low-carbon emission renewable energy source that provides competitive and flexible electricity generation and is essential to the evolving power grid in the contex…
A space--time Bayesian hierarchical modeling framework for projection of seasonal high flow risk
Hydroclimate extreme events, especially precipitation and streamflow extremes during wet seasons, pose severe threats to life, livelihoods, and infrastructure. Therefore, timely a…
Dynamic full-field imaging of rupture radiation: Material contrast governs source mechanism
In seismology, the rupture mechanism of an earthquake, a glacier stick-slip and a landslide is not directly observed, but inferred from surface measurements. In contrast, laborato…
Using machine learning to identify hydrologic signatures with an encoder-decoder framework
Hydrologic signatures are quantitative metrics that describe a streamflow time series. Examples include annual maximum flow, baseflow index and recession shape descriptors. In thi…
AIRS/Aqua Satellite Observations of Gravity Waves During the 2016 QBO Disruption
In early 2016 equatorward propagating extratropical Rossby waves caused a disruption of the quasi-biennial oscillation (QBO). In this study we show results from NASA’s Atmospheric…
Geometry of Freezing Impacts Ice Composition: Implications for Icy Satellites
Non-ice impurities within the ice shells of ocean worlds (e.g., Europa, Enceladus, Titan) are believed to play a fundamental role in their geophysics and habitability and may beco…
Thermospheric and Ionospheric Effects by Gravity Waves from the Lower Atmosphere
A new version of NCAR Whole Atmosphere Community Climate Model with thermosphere/ionosphere extension (WACCM-X) has been developed. The main feature of this version is the species…
Compound effects of climate change on future transboundary water issues in the Middle East
The Middle East is one of the world’s most vulnerable areas to climate change, which has exacerbated environmental, agricultural, water conflict, and public health issues in the r…
Geological treasure of Guryul ravine section in Kashmir Himalaya - a case report
Globally researchers have unraveled unique locations that helped to understand the chronology of the critical events concerning the Earth’s past. Among such geological events, the…
Hydrochemical response of groundwater following the 2020 Monte Cristo Range Earthquake sequence within Mineral and Esme…
The 2020 Monte Cristo Earthquake sequence in western Nevada began with a M6.5 shock on 5/15/20, and was the largest to occur in Nevada since 1954. The event exhibited left-lateral…
Prediction of multi-sectoral longitudinal water withdrawals using hierarchical machine learning models
Accurate models of water withdrawal are crucial in anticipating the potential water use impacts of drought and climate change. Machine-learning methods are increasingly used in wa…
Continental Magmatism: The Surface Manifestation of Dynamic Interactions Between Cratonic Lithosphere, Mantle Plumes an…
Several of Earth's intra-plate volcanic provinces occur within or adjacent to continental lithosphere, with many believed to mark the surface expression of upwelling mantle plumes…
An Analysis of Magnetosphere-Ionosphere Coupling That Is Independent of Inertial Reference Frame
This paper analyses magnetosphere-ionosphere (MI) coupling from a perspective that is independent of inertial reference frame, explicitly acknowledging the role of the principle o…
Something missing: Andean cryosphere research comic (version: Euskara batua/Standard Basque)
A short watercolor comic about the broken connection between humans and mountains. Funded by Sharing Science grants of the AGU, 2021.
Sub-decadal Volcanic Tsunamis Due to Submarine Trapdoor Faulting at Sumisu Caldera in the Izu-Bonin Arc
The main cause of tsunamis is large subduction zone earthquakes with seismic magnitudes Mw > 7, but submarine volcanic processes can also generate tsunamis. At the submarine Sumis…
Iceland Kinematics from InSAR
Large-scale ground deformation in Iceland is dominated by extensional plate-boundary deformation, where the Mid-Atlantic Ridge crosses the island, and by uplift due to glacial iso…
Sensitivity of Observationally Based Estimates of Ocean Heat Content and Thermal Expansion to Vertical Interpolation Sc…
Changes in ocean heat content are a critical element of climate change, with the oceans containing about 90% of the excess heat stored in the climate system (60% in the upper 700 …
Effect of Shield Wires on GICs
The influence of shield wires on Geomagnetically Induced Currents (GICs) in power systems is considered. For the most simple power network, with one single transmission line and o…
Physics-Incorporated Framework for Emulating Atmospheric Radiative Transfer and the Related Network Study
The calculations of atmospheric radiative transfer are among the most time-consuming components of the numerical weather prediction (NWP) models. Therefore, using deep learning to…
Tropical stratospheric upwelling impacts the tropical equilibrium climate sensitivity by reducing the effective forcing
An atmospheric composition feedback mechanism modulates the global equilibrium climate sensitivity (ECS) through changes in the tropical upper-tropospheric and lower-stratospheric…
Sound-Side Inundation and Seaward Erosion of a Barrier Island during Hurricane Landfall
Barrier islands are especially vulnerable to hurricanes and other large storms, owing to their mobile composition, low elevations, and detachment from the mainland. Conceptual mod…
High-latitude plasma convection based on SuperDARN observations and the locally divergence free criterion
A new technique for estimating the global-scale pattern of magnetospheric convection in the ionosphere is presented. The technique uses the SuperDARN line-of-sight velocity observ…
Machine-learned climate model corrections from a global storm-resolving model: Performance across the annual cycle
One approach to improving the accuracy of a coarse-grid global climate model is to add machine-learned state-dependent corrections to the prognosed model tendencies, such that the…
Modeling carbon accumulation and greenhouse gas emissions of northern peatlands since the Holocene
Northern peatlands are a large C stock and often act as a C sink, but are susceptible to climate warming. To understand the role of peatlands in the global carbon-climate feedback…
Comparing the importance of iodine and isoprene on tropospheric photochemistry
Naturally emitted reactive trace gases are thought to impact tropospheric composition, predominantly through the emission and chemistry of isoprene (C5H8). Other species are thoug…
Colder eastern equatorial Pacific and stronger Walker cell in the early 21st century: isolating the forced response to …
Since the early 1990s the Pacific Walker circulation shows a multi-decadal strengthening, contradicting future model projections. Whether this trend, evident in a range of indices…
Focusing Effects of Teleseismic Wavefields by the Subducting Plate beneath Cascadia: Evidence for Slab Continuity
Seismic wave amplitudes have tremendous sensitivity to subduction structure; however, they are affected by attenuation, scattering and focusing, and have therefore been sparsely u…
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