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Showing 18501 to 18550 of 22070 works
Hidden geomagnetic reversals? Inference from geomagnetic reversal frequency modeled by kernel density estimation
The possibility of undetected geomagnetic polarity reversals has been suggested in statistical studies. However, the fine structure of the geomagnetic reversal frequency remains u…
Link between Enhanced Pore Surface Relaxivity and Mineral Alteration in Basalts
Hydrothermal alteration significantly affects the mineralogical and geochemical composition of subsurface rocks. This research utilized a combination of low-field time-domain nucl…
The Isolation and Characterization of Acid-tolerant Mo-reducing Bacteria from a Disused Tungsten Mine in Hong Kong
While molybdenum (Mo) is an essential trace element for cellular metabolism, mining, earthworks, and industry can represent significant sources of environmental pollution by relea…
Global Correlations and Policy Implications: How to Improve Environmental Sustainable Development Goals (Env-SDGs) Thro…
Achieving the UN Sustainable Development Goals (SDGs) by 2030 necessitates a comprehensive understanding of how environmental, social, and governance (ESG) indicators influence su…
Temporal changes in Europa’s ice shell thickness: Insights from models of convection
Europa is characterized by a thin ice Ih shell overlying a subsurface ocean and a large solid core. Estimates of the outer ice shell’s thickness range from a few kilometers to sev…
A Global Stocktake on Electricity Access and Gaps from NASA Black Marble Nighttime Lights
Electricity is a basic human necessity. We are highly reliant on continuous access to electricity for our health, well-being, and it remains essential for critical infrastructure,…
3D inversion scheme for high-resolution analysis of continental scale Magnetotelluric data
This study introduces a novel method for performing 3D inversion of magnetotelluric (MT) data. The proposed method, referred to as the radiation boundary scheme, employs a two-ste…
Mangrove vegetation density and channel density have trade-off effects on nature-based flood risk mitigation
Mangrove conservation and restoration has been increasingly recognized as cost-effective and sustainable strategies to mitigate the increasing coastal flood risks. As surge or tid…
Quantitative evaluation of reanalysis and numerical weather prediction models for wind resource predictions in offshore…
Reanalysis products and numerical weather prediction (NWP) models are widely used for wind resource predictions. However, their differences—particularly for metrics beyond wind sp…
Depositional environment of the Amapari Marker Band: rising water levels formed kilometer-scale lake in Gale Crater, Ma…
The Amapari Marker Band (AMB) is a layer within the Mount Sharp stratigraphy that has been mapped around Gale crater in orbital images and was recently investigated up close by th…
High-level, high-resolution ocean modeling at all scales with Oceananigans
We describe the vision, user interface, governing equations, and numerical methods that underpin new ocean modeling software called ”Oceananigans’. Oceananigans is being developed…
Evaluating the effects of irrigation expansion on regional and global land surface climate using a Land Surface Model
Irrigation is essential in enhancing agricultural productivity and satisfying global food demand. The challenge of feeding a growing population without increasing cultivated land …
Exploiting Machine Learning to Develop Ocean Color Retrievals from the Tropospheric Emissions: Monitoring of Pollution …
Retrievals of ocean color (OC) properties from space are important for understanding the ocean ecosystem, the carbon cycle, and monitoring events such as harmful algal blooms (HAB…
Four-Year Assessment of Methane Point Source Emissions in the Middle East and North Africa Using Multiple Chinese Hyper…
Methane (CH₄) is a potent greenhouse gas, with the oil and gas (O&G) sector being a major source of emissions, particularly in the Middle East and North Africa (MENA) region. Howe…
Modeling variability in vertical profiles of particulate organic carbon flux
The vertical flux of particulate organic carbon (POC) from the surface to the deep ocean regulates the ocean carbon uptake, with obvious implications for the Earth’s carbon cycle …
Steeply Rising Anthropogenic Pollution Emissions in the Middle East: Air Quality and Climate Impacts
The Middle East has experienced a marked rise in anthropogenic air pollution over recent decades, surpassing historical calamities such as the 1991 Kuwaiti oil fires. Yet, natural…
High-resolution divergence and vertical currents in the tidally dominated Iroise Sea
Submesoscale surface current divergence and vertical velocities are important physical ocean variables in oceanographic studies. They are strongly related to mixing and upwelling:…
Investigation of the Impact of Ionospheric Scintillation on GNSS positioning application - A Case Study over Kenya
This study investigates the effects of ionospheric scintillation on Global Positioning System (GPS) during geomagnetically quiet conditions at a station in Kenya, the University o…
Temporal and Spatial Variability of Multiscale Neutral Density Perturbations During Storm-Time: Insights from Multi-Sat…
The neutral density perturbations exhibit multiscale features during geomagnetic storms, playing a crucial role in ionosphere-thermosphere (I-T) dynamics. However, the variations …
Soil physical responses to grazing and vegetation heterogeneity in the Patagonian steppe: assessing degradation and res…
Rangelands are critical socio-ecological systems, yet they are increasingly threatened by land degradation driven by inadequate grazing management. This study evaluates the effect…
Diagnosing the rapid loss of outer radiation belt electrons due to strong chorus-driven wave-particle interactions alon…
Multi-spacecraft data demonstrate that intense chorus waves are excited during electron injection events that drive rapid radiation belt electron loss across a limited energy rang…
Hydroacoustic observations of the 15 January 2022 Hunga Tonga-Hunga Ha‘apai eruption: The role of bathymetry along the …
The 15 January 2022 submarine volcanic eruption of Hunga Tonga-Hunga Ha‘apai (HTHH) released immense energy throughout the ocean, solid Earth, and atmosphere. We analyze acoustic …
Seismic Source Mechanism of the Tsunami near the Sofu Seamount on October 8, 2023
On October 8, 2023, between 18:50 and 22:00, a cluster of earthquakes occurred near Torishima Island, and a tsunami advisory was issued for the surrounding areas. Previous studies…
Bald Cypress (Taxodium distichum) Knees Are Methane Sources Controlled by Geomorphology, Climate, and Hydrologic Extrem…
While there is evidence to suggest woody root structures, such as bald cypress (Taxodium distichum) “knees”, can act as conduits of methane (CH4) emissions, flux rates can be high…
Neutron Monitor based Incoming Flux Correction for Cosmic-Ray Neutron Sensing of Soil Moisture
not-yet-known not-yet-known not-yet-known unknown Monitoring of near-surface water content with cosmic-ray neutro…
Temperature Variability on Coral Reefs versus Gridded SST - the Long and the Short of It.
Temperature reconstructions from coral skeletons and gridded sea-surface-temperature (gSST) both provide valuable information about tropical climate variability, however, corals f…
Summertime diurnal variability of Formaldehyde (HCHO) over CONUS: constraints from Pandonia Global Network (PGN)
Formaldehyde (HCHO) is a secondary air pollutant, and the diurnal cycle of HCHO provide critical insights into tropospheric photochemistry. Here we use tropospheric HCHO retrieval…
Regional Differences in the Impact of Heat and Moisture on Public Health within Europe
Heatwaves are well-documented drivers of adverse health outcomes and socio-economic disruptions, yet regional variations in drivers of risk, particularly in the case of multi-haza…
High accumulation mode aerosol concentration and moderate aerosol hygroscopicity limit impacts of recent particle forma…
Postfrontal cloud regime transitions often result from strong aerosol-cloud-precipitation interaction. Using ACTIVATE measurements and focusing on the marine boundary layer upwind…
Small-scale Magnetic Flux Rope Structures across the Earth's Bow Shock
This work identifies and characterizes magnetic structures, especially in terms of small-scale magnetic flux ropes (SFRs), in the solar wind and magnetosheath across the Earth’s b…
A computationally efficient method to model Stratospheric Aerosol Injection experiments
Climate model simulations incorporating stratospheric aerosol injection (SAI) generally require more computational resources compared to out-of-the-box applications, due to the im…
COASTAL VULNERABILITY MAPPING OF THE INDIAN COAST
The Indian coast of around 7,500 km requires vulnerability assessment and mapping in view of enormous number of lives, property and coastal ecosystem worth billions of Rupees at s…
CARBON MEASUREMENT SUPERSITES IN RUSSIA: USING INFORMATION TECHNOLOGIES TO TRACK RESEARCH TRENDS (2014-2024)
Understanding greenhouse gas dynamics helps assess emissions, develop monitoring strategies, improve land management, and work toward carbon neutrality. To support research, carbo…
Exploring the Transferability of Image-based algorithms for River Plastic Detection: The Value of Small Mix Datasets
Using large datasets has been the conventional strategy to increase the performance of object detection algorithms which often leads to higher labour and computational costs. In a…
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…
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