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Showing 15051 to 15100 of 22070 works
Detecting Seismic Events with Computer Vision: Applications for Fiber-Optic Sensing
Seismologists working with fiber-optic sensing, commonly referred to as Distributed Acoustic Sensing (DAS), have yet to find an established way of automatically detecting signals …
Co-Production of a 10-m Cropland Extent Map for Continental Africa using Sentinel-2, Cloud Computing, and the Open-Data…
A central focus for governing bodies in Africa is the need to secure the necessary food sources to support their populations. It has been estimated that the current production of …
The energetic electron population dynamics at Jupiter, Saturn, Uranus and Neptune as revealed by historical spacecraft …
We review the mechanisms that shape the spatial distributions of energetic electrons trapped in the magnetospheres of Jupiter, Saturn, Uranus and Neptune. To determine what contro…
A new outlook at Uranus' and Neptune's 10 keV-5 MeV energy electron distributions from data analyses and physics-based …
We present our latest understanding of the processes that shape the spatial distributions of energetic electrons trapped in the magnetospheres of Uranus (L < 15) and Neptune (L < …
Reappraising the Distributions of Energetic Electrons at Jupiter, Saturn and Uranus from Data Analyses and Physics-base…
The in-situ magnetospheric exploration of the four large planets of our solar system had started with Pioneer 10’s flyby of Jupiter in Dec. 1973. The second collection of field, p…
Forest and Water Bodies Segmentation Through Satellite Images Using U-Net
Global environment monitoring is a task that requires additional attention in the contemporary rapid climate change environment. This includes monitoring the rate of deforestation…
U-Net Segmentation Methods for Variable-Contrast XCT Images of Methane-Bearing Sand Using Small Training Datasets
Methane (CH4) hydrate dissociation and CH4 release are potential geohazards currently investigated using X-ray computed tomography (XCT) imaging in laboratory experiments. Image s…
Decade-long Ozone Profile Record from Suomi NPP OMPS Limb Profiler: Assessment of Version 2.6 Data
We evaluate a decadal ozone profile record derived from the Suomi National Polar-orbiting Partnership (SNPP) Ozone Mapping and Profiler Suite (OMPS) Limb Profiler (LP) satellite i…
Analysis and modeling of sprite green ghosts
In 2019 sprite observations appeared on You-Tube showing green emissions in the top of some sprites and after the main sprite. The emissions were named green ghosts. We present he…
Active faults' geometry in the Gulf of Aqaba, southern Dead Sea fault, illuminated by multi beam bathymetric data
Detailed knowledge of fault geometry is important for accurate seismic hazard assessments. The Gulf of Aqaba, which corresponds to the southern termination of the 1200-km-long Dea…
Different enrichment patterns of pedogenic magnetic particles modulated by primary iron-phosphorous input
Magnetic particles including ferrimagnetic (FM) and antiferromagnetic (AFM) particles are ubiquitous in the surface of Earth and Mars. The FM particles dominating soil magnetism u…
COSMIC-2 Radio Occultation Constellation-First Results
Initial data from the Formosa Satellite-7/Constellation Observing System for Meteorology Ionosphere and Climate (FORMOSAT-7/COSMIC-2, hereafter C2), a recently launched Equatorial…
Seasonally Anchored Bias Correction of CMIP5 Hydrological Simulations
Robust and reliable projections of future streamflow are essential to create more resilient water resources, and such projections must first be bias corrected. Standard bias corre…
SUBMESOSCALE EDDY TRAPPING SUPPORTS PLANKTONIC ACTIVITY BEYOND THE COASTAL UPWELLING ZONE
Eastern boundary current systems are among the most productive marine ecosystems, sustained by coastal upwelling that brings cold, nutrient-rich waters to the surface. While this …
Recent Temperature and Energy Imbalance Trends Point to Higher Estimates of Future Warming
Climate models simulate a wide range of 21 st century warming for a given forcing scenario. Constraining this uncertainty is a central challenge in climate science because of its …
Transcontinental transport of a massive SO2 plume from the Tehran refinery explosion in March 2026 observed from space
Conflict-induced industrial events can inject pollutants into the middle-to-upper troposphere, producing long-range transport with environmental impacts beyond the local scale. In…
Pipeline for the construction of a multitemporal dataset of surface temperature and spectral indices from satellite sen…
This work presents a pipeline for downloading, processing and analyzing satellite imagery aimed at constructing time series of surface temperature and spectral indices at active v…
Unraveling the sources of subseasonal predictability with statistical learning
Subseasonal weather forecasts can inform decision-making in sectors like energy, agriculture, and health, but their accuracy varies widely in space and time. This poses a problem …
The Global Spectral Index Atlas: A Systematic Framework of Novel Spectral Indices for Environmental Monitoring Across T…
The proliferation of free, high-resolution satellite data — led by the Sentinel constellation, EMIT, PACE OCI, and a wave of 2019–2024 sensor launches — has created an untapped de…
Quantifying errors in ocean carbon reconstructions in the context of marine carbon dioxide removal (mCDR)
The Intergovernmental Panel on Climate Change (IPCC) suggests that carbon dioxide removal (CDR) will be needed to stabilize global atmospheric temperatures at <2 °C above the pre-…
Cross-Scale Fractal Coherence and Surface Urban Heat Island: A Block-Level Analysis of Hierarchical Morphology in New Y…
The spatial organization of urban form is widely hypothesized to influence the surface urban heat island (SUHI), yet most evidence relies on single-scale morphometrics that overlo…
Reassessing Skadi Mons on Venus: Topographic and Archival Evidence
Skadi Mons, a named feature within Maxwell Montes on Venus, has frequently been cited in the literature as the planet’s highest point. We evaluated this claim using Magellan-deriv…
On the Effect of Different Code-Based Ground Motion Selection Approaches for the Estimation of the Seismic Demand of Ma…
Building design codes recommend using nonlinear dynamic analysis for an appropriate assessment of the seismic response of several types of structures. To perform nonlinear dynamic…
Stochastic Ground Motion Simulation of the 9th of July 1998 Faial Earthquake (Azores, North Atlantic)
Earthquakes are among the most destructive natural disasters, resulting in a huge number of fatalities and economic losses all over the world. For regions with limited number of s…
Dynamic adaptive policy pathways fail under accelerating sea-level rise due to wrong-action selection: a unified decisi…
Coastal infrastructure managers face an imminent binary choice—commit to permanent hard defense or initiate managed retreat—under non-stationary sea-level rise (SLR) projections t…
Inferring Vertical Cloud Structure from Passive Top-of-Atmosphere Observations and Environmental Context with a Mixture…
Passive satellite observations provide global coverage of cloud-top properties but offer limited direct information about vertical cloud structure. Here, we evaluate the extent to…
Along-strike seismic structure of the Andreanof Aleutian Arc Segment and implications for the formation of continental …
Crust formed in volcanic arcs is accreted to continents over geologic time, serving as the source material for new continental crust in Earth’s present and recent past. Geochemica…
Distribution and recent trends of the Mixed Layer Depth around the Kerguelen Plateau
Situated in the Southern Indian Ocean, the Kerguelen plateau is known for intense phytoplankton blooms due to local iron enrichment. Any change in mixed layer depth (MLD) could im…
Excitation and decay of the auroral oval
The aurora often appears as an approximately oval shape surrounding the magnetic poles, and is a visible manifestation of the intricate coupling between the Earth’s upper atmosphe…
How Does El Niño Southern Oscillation Change Under Global Warming - A First Look at CMIP6
The latest generation of coupled models, the sixth Coupled Models Intercomparison Project (CMIP6), is used to study the changes in the El Niño Southern Oscillation (ENSO) in a war…
The new Max Planck Institute Grand Ensemble with CMIP6 forcing and high-frequency model output
Single-model initial-condition large ensembles are powerful tools to quantify the forced response, internal climate variability, and their evolution under global warming. Here, we…
Methane Plume Detection with Future Orbital Imaging Spectrometers
Despite methane’s important role as a greenhouse gas, the contribution of individual sources to rising methane concentrations in Earth’s atmosphere is poorly understood. This is i…
Improving Deep Learning Methods for Robust Methane Plume Detection using Alternative Input Representations
Methane (CH4) is a prominent greenhouse gas responsible for about 20% of all atmospheric radiative forcing. As we notice trends in increasing global temperatures, understanding an…
Deep Learning Saliency and Segmentation Methods for Robust Methane Plume Detection
Identification of global methane (CH 4 ) sources is critical for the quantification and mitigation of this potent greenhouse gas. In preparation for Carbon Mapper, a future spaceb…
Robust Multi-Campaign Imaging Spectrometer Methane Plume Detection using Deep Learning
Identification of global methane (CH4) sources is critical to the quantification and mitigation of this greenhouse gas. Future imaging spectrometer missions, such as Carbon Mapper…
The Impact of Climate Forcing Biases and the Nitrogen Cycle on Land Carbon Balance Projections
Earth System Models (ESMs) project that the terrestrial carbon sink will continue to grow as atmospheric CO$_2$ increases, but this projection is uncertain due to biases in the si…
The impact of climate change on ocean submesoscale activity
Global warming may modify submesoscale activity in the ocean through changes in the mixed layer depth and lateral buoyancy gradients. As a case study we consider a region in the N…
Quantifying Methane Fluxes from Super-Emitting Orphan Wells to Report Carbon Credits and Prioritize Remediation
Annually, ~ 3.6 million abandoned oil and gas wells in the U.S. emit a combined ~ 3.2 Tg methane (CH4), adversely affecting climate and regional air quality. However, these estima…
Joint estimation of sea ice and atmospheric state from microwave imagers in operational weather forecasting
Satellite-observed microwave radiances provide information on both surface and atmosphere. For operational weather forecasting, information on atmospheric temperature, humidity, c…
Assimilative Mapping of Geospace Observations (AMGeO): Data Science Tools for Collaborative Geospace Systems Science
The most dynamic electromagnetic energy and momentum exchange processes between the upper atmosphere and the magnetosphere take place in the polar ionosphere, as evidenced by the …
Domain Nesting in ICON and its Application to AMIP Experiments with Regional Refinement
The domain nesting of the icosahedral non-hydrostatic (ICON) model has been used operationally at Deutscher Wetterdienst for several years. Now it was also made available for the …
Combining top-down and bottom-up approaches to evaluate recent trends and seasonal patterns in U.K. N 2 O emissions
Atmospheric trace gas measurements can be used to independently assess national greenhouse gas inventories through inverse modelling. Here, atmospheric nitrous oxide (N 2 O) measu…
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