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Showing 7151 to 7200 of 8313 works
Generative Models for Super-Resolution Precipitation Downscaling Across U.S. Hydroclimatic Regimes
Spatial Reconstruction (16x) • High-resolution precipitation (1-10 km) is critical for flood forecasting, hydrology, and climate-risk assessment, but climate models (GCMs) operate…
Detectability of phytoplankton biomass extremes using simulated satellite chlorophyll observations
Extreme open-ocean phytoplankton events can influence marine ecosystems, yet their global occurrence, drivers, and consequences remain poorly understood. Most large-scale studies …
InSAR-Derived Seasonal Dam Deformation and Hydrometeorological Factors Interdependencies on Embankments and Gravity Dam…
Dams are crucial structures for efficient water resource management. Previous studies have presented the interlinkages between seasonal dam deformation and hydrometeorological fac…
The Decolon-ice-ation of Glaciology: An Indigenous, Feminist Analysis
Glaciology remains deeply intertwined with Western colonial legacies, shaped by narratives of conquest, exploitation, and extraction. This project reimagines glacial landscapes by…
Where Science Meets Spirit: Co-Creating a Climate Assembly Rooted in Community, Ritual, and Resilience in Florida
In the face of intensifying climate disasters, communities increasingly seek not only scientific knowledge but also spaces for belonging, healing, and moral clarity. As an AGU Thr…
Diel variation of CO2 concentrations is substantial in Australian irrigation dams
[1]¿p#1 Small artificial waterbodies such as farm dams are recognised as important sources of anthropogenic emissions. Carbon dioxide (CO2) fluxes from farm dams are highly var…
Microbial Biodegradation of Cyanide in Mining-Affected Sediments from Southern Ecuador
The exponential rise in global demand for precious metals has driven gold extraction activities across more than 70 countries. In Ecuador, artisanal and small-scale gold mining (A…
Turbulent mixing and dissipation around rough seamounts
Seamounts are critical components of the global ocean energy budget, contributing significantly to turbulent dissipation through their interaction with large-scale flows. However,…
A Three-Stage Partitioning Framework for Modeling Mean Annual Groundwater Evapotranspiration
An analytical model is developed for mean annual groundwater evapotranspiration (GWET) at the watershed scale based on a three-stage precipitation partitioning framework. The r…
A Quantitative Assessment on Ice Conditions and their Scalability to Sea-Ice Prediction Models by Ground Truthing Sea-I…
Understanding sea ice evolution in Antarctica is critical for deciphering climate dynamics in polar regions and icy planets over multiple spatio-temporal scales. Satellite-derived…
On Exposure and Vulnerability
The IPCC departs from standard methodology when defining risk. Broadly defined, risk comprises some variant of likelihood and consequence, while the IPCC combines hazard, exposure…
Spectral Unmixing for Mineral Identification in Vegetation-Mixed Terrain Using Airborne Hyperspectral Imaging: A Case S…
Identifying critical minerals is vital for national security, economic stability, and technological advancement. These minerals are essential across industries such as aerospac…
Expansive Environmental Conditions on the Temperature-Preterm Birth Relationship Among Black Birthing Individuals in No…
Non-Hispanic Black women have the highest preterm birth (PTB) rates out of their US and global counterparts, but are rarely examined exclusively within studies. Studies linking te…
Organic carbon sequestration is insensitive to variability in surface productivity in the Subantarctic Zone: implicatio…
The efficiency and stability of the biological carbon pump (BCP) set the ocean’s capacity to sequester carbon on climate-relevant timescales. Despite its importance, the BCP is di…
Scalable, Uncertainty-Aware Streamflow Prediction in Snow-Dominated Catchments Using Evidential Deep Learning and CLM5 …
Accurate streamflow prediction in snow-dominated, ungauged basins remains a persistent challenge in hydrology due to strong seasonal variability, sparse observations, and complex …
Incorporating Sea-Level Rise in Storm Surge Models: Importance of Dynamical Interactions
Despite advances in storm surge modeling, uncertainty remains in how best to represent sea-level rise (SLR) impacts, particularly when balancing computational efficiency with t…
Ridge Density as a Topographic Fingerprint of Landscapes
Drainage density (Dd) is widely recognized as a metric to obtain crucial insights into the interaction between climate and the Earth’s surface by reflecting the balance between er…
Water level and discharge variation from enhanced nadir-altimetry and early SWOT data
• multi-sensor validation in the Rhine river shows SWOT outperforming FFSAR water level with 3-9 cm compared to 9-12 cm • SWOT river discharge reproduces the in-situ variability w…
The structure and lifecycle of stratified mixing by shear instabilities in continuously forced flows
The turbulent energy cascade of ocean mixing remains poorly understood because of the wide separation of scales at high Reynolds numbers (Re). Here we propose a new conceptual mod…
Space-Time Causal Discovery in Earth System Science: A Local Stencil Learning Approach
Causal discovery tools enable scientists to infer meaningful relationships from observational data, spurring advances in fields as diverse as biology, economics, and climate scien…
FedRAIN-Lite: Federated Reinforcement Algorithms for Improving Idealised Numerical Weather and Climate Models
Sub-grid parameterisations in climate models are traditionally static and tuned offline, limiting adaptability to evolving states. This work introduces FedRAIN-Lite , a federated …
Radiative Response to Large Decline in Anthropogenic Aerosol Emissions from China between 2008 - 2016 is Modified by Si…
The recent large reduction in anthropogenic aerosol emissions across China has improved China’s air quality but has potential consequences for climate forcing. This sharp reductio…
Early summer vertical nutrient fluxes in a glaciated fjord in Northwest Greenland
Marine-terminating glaciers in fjords support highly productive ecosystems. Upward transport of deep, nutrient-rich water via entrainment in subglacial discharge plumes can allevi…
Plant wax isotopic reconstructions reveal thermodynamic drivers of hydroclimate over the last two glacial cycles at Gre…
The growth and decay of the Laurentide ice sheet is known to have produced large changes in the hydrological cycle in southwestern North America. While a wetter, isotopically ligh…
Southern Hemispheric atmospheric blocking patterns in CESM-LENS2: Effects of different detection approaches
Atmospheric blocking characterised as an anticyclonic flow structure which decelerates movement of weather systems in the mid-latitudes. This study evaluates for the first time, S…
Dissolved organic carbon dynamics are driven by water temperature, primary production, and anoxia over five years of w…
Lakes and reservoirs play a key role in the global carbon cycle, representing important carbon sinks and sources within the terrestrial landscape under different environmental …
Reduction of residence time of air in the Arctic since the 1980s
The Arctic has seen dramatic changes in recent decades. Here we use a simple metric, the Arctic residence time of air, that is, the time air spends uninterruptedly north of 70 ◦ N…
High-Resolution Inland Wetland Vegetation Classification with a Foundational CNN Framework Using WorldView-2
Inland wetland vegetation plays a critical role in regulating hydrological and ecological processes, supporting natural flood control, improving water quality, and sustaining ecos…
Exploring Prithvi WXC Adaptation from MERRA2 to ERA5
Recent advances in AI-based weather modeling have given rise to large-scale “weather foundation” models pretrained on large amounts of weather data. In this study, we investigate …
A lattice Boltzmann approach for modeling coupled evaporation/precipitation processes in porous media
We present a novel numerical approach for simulating coupled evaporation and salt precipitation processes in porous media using the lattice Boltzmann method. Our model combines a …
Linking Hadley Cell Instability to Slow Equatorial Motions in Reanalysis and CMIP6 Models
A recent theory-originally proposed for tropical depression (TD)-type waves-is extended to the Madden-Julian Oscillation (MJO) and convectively-coupled equatorial Rossby (ER) wave…
Pentlandite - Chalcopyrite formation by Pyrrhotite replacement in Olivine gabbro: Relation between Serpentinization and…
Mantle peridotites and lower crustal gabbro in the mid oceanic ridges are exposed to seawater alteration resulting in a retrograde hydration of rocks. Since these rocks are substa…
How EO Irrigation Products Can Improve Water Budget and Model Performance in The Highly Managed Po River Basin?
Irrigation is one of the most widespread anthropogenic water uses worldwide, yet it is often excluded from Land Surface Models (LSMs) and Hydrological Models (HMs) due to the limi…
Impact of optical satellite imagery spatial scale on methane emission estimates from small water bodies
A critical gap in understanding the global methane (CH 4 ) budget is the quantification of emissions from small artificial water bodies. One mechanism that may be driving increase…
Physical-biological interactions create heterogeneous sea-air CO2 fluxes on the northern Patagonian Shelf during the lo…
The Patagonian Shelf is recognized for its high potential for carbon uptake, driven by intense biological productivity. While net CO2 uptake persists much of the year, the mechani…
A New 3D Urban Building Community Model for Earth System Modeling. Part I: Model Formulation
A new three-dimensional (3D) urban canopy model is presented. Unlike the two-dimensional (2D) canyon assumption used in most urban canopy models, this model proposes a 3D building…
Lidar Discovery of AO and SAO of TINa Layers from the First Na Climatology of 75–150 km: Connections to Metallic Ions…
First characterization of year-round thermosphere-ionosphere Na (TINa) layers (~105-150 km) is enabled with 7 years (2011–2017) of lidar observations over Boulder. Clear annual an…
Primitive crust buried below southern highland of Mars
The geochemical studies for shergottites predicted an enriched end-member associated with the final residual liquid of Martian magma ocean, which may result in the formation of a …
Hillslope Hydrological Extremes under Changing Monsoon Patterns and Land Use Dynamics
Complex terrains account for approximately 25% of India’s total geographical area, which plays a crucial role in contributing to the country’s water resources. Such high-altitude …
Overview of Aerosols in the E3SM Version 3: New Model Features and their Impacts
Accurate and comprehensive representation of aerosols in Earth system models (ESMs) is critical for modeling radiative forcing and seasonal-to-decadal variability. With increasing…
Biomarker-based limnology of Great Salt Lake over the last two glacial cycles
Great Salt Lake (GSL), Utah, USA, is a large hypersaline lake currently experiencing desiccation due to water use and evaporation exceeding recharge. At times in the past it has…
Nonlinear Interactions of Timing and Amplitude Biases in Modeled Southern Ocean pCO2: The Roles of Dissolved Inorganic …
The Southern Ocean is a major sink for atmospheric carbon dioxide and critical to the current and future carbon cycle. This net annual CO2 flux reflects the balance between strong…
Blueschist dislocation creep and glide in subduction systems: constraints from glaucophane experiments
Blueschists are a defining component of subducting oceanic crust and influence slab and interface rheology across thermal regimes. Glaucophane, the dominant sodic amphibole in blu…
Demonstration of a Micro-scale Managed Aquifer Recharge Project in California's Central Valley: Design, Construction, a…
Chronic groundwater depletion in California's Central Valley highlights the need for Managed Aquifer Recharge (MAR) as a key sustainability strategy. Given the high costs and land…
Testing nodal point relations by tracking sediment through a bifurcation on the Jefferson River, MT, USA
River bifurcations control water and sediment distribution in fluvial systems, yet the physical mechanisms governing sediment partitioning remain poorly validated in natural riv…
Stochastic Seismic Response Analysis of Soil-Fault-Tunnel Systems Using the Modified Domain Reduction Method
Underground tunnels are vital parts of modern infrastructure, serving as crucial lifelines for transportation, utilities, and emergency services worldwide. As urbanization incr…
State-dependent predictability in subseasonal to seasonal forecasts over North America
Forecast skill on subseasonal-to-seasonal (S2S) timescales varies strongly with the large-scale atmospheric state, creating intermittent “windows of opportunity’ ’ for skillful pr…
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