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Showing 4701 to 4750 of 8313 works
Strain Rates along the Alpine-Himalayan Belt from a Comprehensive GNSS Velocity Field
The Alpine-Himalayan belt is one of Earth’s most dynamic and complex regions, characterized by intense tectonic deformation and seismicity. Comprehensive analyses of continental-s…
Seasonal Variation of Evaporation Suppression Efficiency in Water Reservoirs Covered with Floating Elements
Since the dawn of civilization water reservoirs have been used to support irrigation and livestock in many arid regions of the world [1]. Evaporative losses diminish reservoir sto…
Linking ecosystem CH4 fluxes to soil profile CH4 concentrations and oxidation rates: year-round measurements and drough…
Methane (CH4) consumption in well-drained soils is a key process for global CH4 sink. Yet, the temporal and depth-specific CH4 oxidation is rarely described despite being critical…
Solving dense shelf water cascading with a high-resolution ocean reanalysis
Dense shelf water cascading (DSWC) is an oceanographic process occurring when dense shelf water overflows the shelf edge downslope towards the deep sea. Monitored in the Northwest…
Using Machine Learning Explainability Techniques to Examine Drivers of Ground Magnetic Field Localization
Energetic particles from the Sun interact with the Earth’s magnetic field and can cause rapid changes in the magnetic field measured on the ground. These fluctuations can cause si…
Non-peer reviewed Report submitted to First DAS observations from the GeoLab fibre in Madeira, Portugal
Distributed Acoustic Sensing allows extremely dense acquisition geometries of strain data. The GeoLab fibre, installed on the southern coast of Madeira Island, extends for ∼56 km …
Advancing the HEIMDALL model: seasonal spectral irradiance through the Pan-Arctic icescape
Characterising underwater light fields in the Arctic can be challenging due to complexities induced by the impact of consistently low sun angles during daylight periods, extrem…
Disentangling Regional Drivers of Top Antarctic Snowfall Days with a Convolutional Neural Network
Snowfall is the primary contributor to Antarctic surface mass balance. Identifying regional-scale mechanisms that drive extreme snowfall provides context for investigating changes…
Peat Depth Distribution Across Northern Peatland Regions as Influenced by Different Environmental Factors
Peatlands are critical to global biogeochemical cycles because their large accumulations of organic carbon (OC) and nitrogen (N). Broadscale peatland depth maps are needed to asse…
Monitoring and Modeling In-stream Carbon Dynamics of a Complex Network in the Italian Alps
Mountain stream networks have been demonstrated to be significant contributors to CO 2 emissions, playing a critical role in the global carbon (C) cycle. The heterogeneity of land…
Assessing spatial patterns of carbon and nutrient dynamics in catchments of complex topography
The topography of a landscape regulates the spatial distribution of water and energy fluxes, which are main drivers of vegetation and soil carbon and nutrient dynamics. Despite th…
Mechanistic Modeling of Aedes aegypti Mosquito Habitats for Climate-informed Dengue Forecasting
The mosquito-borne disease dengue is sensitive to climate, in part because of the influence climate has on breeding habitats of dengue’s Aedes mosquito vectors. Dengue risk assess…
Harvesting Carbon: Forests, Orchards, & Wooded Wetlands A Guide to Utilizing Direct Flux Measurements for Assessmen…
The objective of this guide is to help carbon and climate entrepreneurs, investors, and regulators with the development of a standardized framework for their MMRV/MRV/dMRV/aMRV sy…
Quantifying the potential predictability of Arctic marine primary production
• Arctic phytoplankton net primary production can be predicted for multiple years, largely due to the Arctic shelves. • This predictability is driven by ocean temperatures, which …
Background Seismicity and Aftershocks of the 2020-2021 Large Earthquakes at the Alaska Peninsula Revealed by a Deep-lea…
The Alaska Peninsula section of the Alaska-Aleutian subduction zone shows significant along-strike variations in seismic activity and inter-seismic plate coupling. This region exp…
New Modeling Approach to Elemental Neodymium In the Ocean: Testing the Bottom-up Hypothesis
jabbrv-ltwa-all.ldf jabbrv-ltwa-en.ldf Previous attempts to explain the distribution of Neodymium (Nd) and its isotopes in the ocean, a tracer for past global Meridional…
Late Development of intra-rift basins during stress field change in the central Upper Rhine Graben (SW Germany)
The essentially non-magmatic continental rift system of the Upper Rhine Graben is segmented and characterized by intra-rift sub-basins that exhibit NE to NW trends suggesting c…
AMOC - salt advection feedback depends on the forcing rate
Previous studies have suggested that Atlantic Meridional Overturning Circulation (AMOC) is in a bi-stable regime and might already be at the brink of a irreversible trajectory tow…
Modelling the Global Electromagnetic Resonance Field Produced by Lightning Discharges with a Continuing Current
In lightning research, there is a growing interest in measuring the extremely low frequency (ELF, 3 Hz - 3 kHz) electromagnetic (EM) radiation of lightning, as this frequency band…
Constraining the source craters of Apollo impact melts
Interpreting the age distribution of Apollo samples to determine the early bombardment history of the Moon has been fraught with controversy, and the question of how much material…
Evaluation of the Performance and Utility of Global Gridded Precipitation Products for Health Applications and Impact A…
Globally gridded precipitation products (GGPPs) are commonly used in impact assessments as substitutes for weather station data, each with unique strengths and limitations. Reanal…
Solar Geoengineering Strategies Based on Reinforcement Learning
Solar geoengineering via stratospheric aerosol injection (SAI) poses an optimization problem. How exactly should aerosol be deployed to maximize its benefits while minimizing unde…
Evaluating composted sewage sludge as a phosphorus fertilizer in wheat grown on soils with different physical-chemical …
Urbanization generates a large volume of wastes such as sewage sludge (SS), which contains essential plant nutrients, in particular phosphorus (P). If stabilized via composting, t…
Kolumbo Volcano, Greece: expert elicitation findings supporting volcanic hazard and risk assessment
A detailed hazard and risk assessment project has been undertaken for Kolumbo Volcano, an active volcano situated in the Aegean Sea, Greece. In support, a comprehensive structured…
Impact of cloud microphysics schemes and boundary conditions on modeled snowpack in mountain watersheds.
Hydrologic and land surface models require spatiotemporally complete and accurate hydrometeorological forcings. In mountainous regions, these forcings are often obtained from coup…
The Ineffectiveness of Smog Towers -A Mathematical Proof
Severe air pollution plagues many megacities, prompting proposals for technological fixes like smog towers. While conceptually appealing, their efficacy in open, dynamic atmospher…
Inner Magnetospheric and Ionospheric Responses to Solar Wind Driving During Omega Band Events
Omega bands are mesoscale auroral structures that appear as quasi-periodic eastward-drifting poleward protrusions well within the closed field line region of the auroral oval. Cri…
Intercomparisons of Austral Winter Freeboards from Satellite Radar Altimetry for Antarctic Sea Ice
Sea‐ice thickness plays a critical role in the global climate system controlling the transfer of heat, moisture, and carbon between the atmosphere and ocean. Satellite radar altim…
Unsupervised Learning for the Comprehensive Exploration of Continuous-DAS Data
Distributed Acoustic Sensing (DAS) enables cost-effective, dense detection of seismic activity. However, the vast amount of data produced by DAS systems presents a significant cha…
A framework for parametric and predictive uncertainty quantification in the E3SM Land Model: Assessing the impact of si…
Site-level uncertainty quantification is essential for Earth system modeling before scaling up to regional simulations. This study introduces a novel computational framework desig…
Superstorm-driven electron temperature (T e ) anomalies in the topside low-latitude ionosphere: Role of the Equatorial …
• The EIA crests intensified latitudinally, shifting to mid-latitudes, and altitudinally, reaching up to 840 km due to the superfountain effect. • At 474 km, T e increased in the …
Assessment of Instrument Performance of the FY3E/JTSIM/DARA Radiometer Through the Analysis of TSI Observations - V2
• Time-frequency analysis of the the total solar irradiance (TSI) dataset recoreded by the FY3E/JTSIM/DARA • DARA observations are compared in WRR and SI scales with other active …
The cause of the 100,000-year geomagnetic and climate cycles
Paleotemperature and paleogeomagnetic data commonly exhibit a dominant 100,000-year cyclicity. Spectral and statistical analyses demonstrate that paleogeomagnetic intensity variat…
High-frequency monitoring data reveal substantial variability in the intrinsic predictability of ecosystem dynamics
As ecology becomes a more predictive discipline, identifying the intrinsic predictability, or stochasticity, of ecosystem variables across space and time is needed to help guide t…
ELECTRIC FIELD MEASUREMENTS MADE IN SPACE
The operating principles of a DC and low frequency electric field detector are developed, after which, examples of earlier important electric field measurements are presented, inc…
Seismic Structure of the Mid to Upper Crust at the Santorini-Kolumbo Magma System from Joint Earthquake and Active Sour…
The Santorini arc volcano has a history of caldera-forming Plinian eruptions, most recently in the Late Bronze Age 3.4 kya, and remains volcanically active. Located 7 km to the no…
Hydroclimatic Variability and Weather-Type Characteristics in the Levant During the Last Interglacial
Proxy-based reconstructions of the Last Interglacial peak indicate changes in precipitation characteristics in the Levant. These reconstructions suggest that precipitation occurre…
Beacon2Science: Enhancing STEREO/HI beacon data with machine learning for efficient CME tracking
Observing and forecasting coronal mass ejections (CME) in real-time is crucial due to the strong geomagnetic storms they can generate that can have a potentially damaging effect, …
Flooding Projections due to Groundwater Emergence Caused by Sea Level Variability
Rising groundwater tables due to sea level rise (SLR) pose a critical but understudied threat to low-lying coastal regions. This study uses field observations and dynamic modeling…
Impact of future methane emission trajectories on atmospheric composition and climate impacts of a future hydrogen econ…
Hydrogen (H2) is projected to have an increasingly important role in a future low-carbon economy. In a future H2 economy, H2 emissions could increase from leakage across the suppl…
Reduction of High Latitude Ionospheric Electron Density by the Impact of Negative Solar Wind Pressure Pulses during the…
The G3-G4 class geomagnetic storm on 23 March 2023, triggered by an unexpected coronal mass ejection (CME), caused a sudden solar wind dynamic pressure drop (SWDPD) in the CME she…
Surprising, but not unexpected, multi-decadal pause in Arctic sea ice loss
Over the past two decades, Arctic sea ice loss has slowed considerably, with no statistically significant decline in September sea ice area since 2005. This pause is robust across…
A Feasibility Study on Objective Analysis of Tropical-Cyclone Intensity Based on Data Assimilation of Inner-Core Atmosp…
The present operational estimation of the tropical cyclone (TC) intensity is made by subjectively combining observational methods including the Dvorak technique. However, as the k…
Does streamflow regulate water chemistry in intermittent streams?
Intermittent rivers and ephemeral streams constitute over 50% of the global river network. In perennial streams, streamflow is generally considered as the primary driver of water …
Global Search of PKP Precursors with Graph Neural Network: Implications for Scatterers in the Lowermost mantle
Seismic waves preceding the core phase PKIKP, known as PKP precursors, have been used to map small scatterers near the core-mantle boundary (CMB). However, their low signal-to-noi…
Analysis of Satellite and in-situ Optical Proxies for PIC and POC during GEOTRACES GP15 and GP17-OCE Transects from the…
The biological pump, a fundamental process governing atmospheric CO2, rapidly transfers particulate inorganic and organic carbon (PIC and POC) from surface waters to the deep sea …
Modeling forest growth under current and future climate
Purpose of Review Forests are integral to global ecological stability, climate regulation, and economic resilience. They function as major carbon sinks, act as biodiversity res…
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