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Showing 1501 to 1550 of 5157 works
Eocene (50-55 Ma) greenhouse climate recorded in nonmarine rocks of San Diego, CA, USA
Nonmarine rocks in sea cliffs of southern California store a detailed record of weathering under tropical conditions millions of years ago, where today the climate is much drier a…
Exclusive Seismoacoustic Detection and Characterization of an Unseen and Unheard Fireball Over the North Atlantic
Small meteoroids that enter Earth's atmosphere often go unnoticed because their detection and characterization rely on human observations, introducing observational biases in spac…
Seismic Activities in Ghana: A Systematic Review
Seismic activities pose significant challenges to societies globally. Therefore, it is crucial to understand their occurrence, patterns, and impacts. By studying seismic activitie…
New Ediacaran biota from the oldest Nama Group, Namibia (Tsaus Mountains), and re-definition of the Nama Assemblage
The Nama Group, Namibia (≥550.5 to <538 million years ago, Ma) preserves one of the most diverse metazoan fossil records of the terminal Ediacaran Period. We report numerous featu…
Marine zooplankton acclimated to geological warming but face limits by the next century
Climate changes have threatened marine organisms causing migrations, biomass reduction and extinctions. However, the capacity of marine species to adapt or acclimate to these chan…
Implementation and Evaluation of the Automated Model Reduction (AMORE) Version 1.1 Isoprene Oxidation Mechanism in GEOS…
Detailed chemical mechanisms are computationally challenging to include in large-scale chemical transport models such as GEOS-Chem. Employing a graph theory-based automated model …
Urban demand for cooking fuels in two major African cities and implications for policy
Nearly 2.4 billion people lack access to clean cooking fuels and technologies worldwide, representing a critical failure to achieve SDG7’s cooking energy access goal. Dependence o…
FIND: A Synthetic weather generator to control drought Frequency, Intensity, and Duration
Water systems worldwide are experiencing climate change-induced shifts in drought properties like frequency, intensity, and duration, affecting water security and reliability. To …
Fluid-rock interactions, hydrothermal processes, and accommodation of slip in shallow parts of the San Andreas and San …
We examine fault-related rocks from the upper parts of the active San Andreas and ancient San Gabriel Faults, southern California, to determine the nature and origin of micro-scal…
MEIC-global-CO2: a new global CO2 emission inventory with highly-resolved source category and sub-country information
CO2 emission inventory provides fundamental data for climate research and emission mitigation. Currently, most global CO2 emission inventories were developed with energy statistic…
Tephra dispersal and composition reveal the explosive onset of a large basaltic fissure eruption: Timanfaya, Lanzarote,…
Basaltic fissure eruptions are chiefly characterized by sizable emissions of lava flows and volcanic gases, posing significant hazards. However, such eruptions may be punctuated b…
Timing and Evolution of Structures within the Southeastern Greater Caucasus and Kura Fold-Thrust Belt from Multiproxy S…
The Greater Caucasus (GC) mountains are the locus of post-Pliocene shortening within the north central Arabia-Eurasia collision. Although recent low-temperature thermochronology c…
A Web-based Decision Support Framework for Optimizing Road Network Accessibility and Emergency Facility Allocation Dur…
Transportation systems can be significantly affected by flooding, leading to physical damage and subsequent adverse impacts such as increased travel distance to essential services…
Dynamic rainfall-induced landslide susceptibility: a step towards a unified forecasting system
The initial inception of the landslide susceptibility concept defined it as a static property of the landscape, explaining the proneness of certain locations to generate slope fai…
Estimating Reservoir Sedimentation Using Deep Learning
Several reservoirs across the US are filling with sediment, which jeopardizes their functionality and increases maintenance costs. The US Army Corps of Engineers (USACE) developed…
The ostracod clumped-isotope thermometer: A novel tool to reconstruct quantitative continental climate changes.
This study presents the ostracod clumped-isotope (∆47) thermometer, a new tool that provides quantitative temperature and hydrological reconstruction from lacustrine systems, whic…
Pressurizing magma within heterogeneous crust: a case study at the Socorro Magma Body, New Mexico, USA
Surface deformation plays a key role in illuminating magma transport at active volcanoes, however, unambiguous separation of deep and shallow transport remains elusive. The Socorr…
What can be said about risks, vulnerabilities, and adaptation to climate change in Caribbean small island developing st…
Introduction Caribbean Small island developing states (SIDS) are generally qualified as disproportionately vulnerable to climate change, including extreme weather events like hur…
Our first Anthroponomic task: Remove the infrared pea soup
Some underappreciated aspects of the climate. [Idealization]: Earth has a partially IR-opaque 5-km-deep tropospheric layer whose (slowly rising) top radiates waste heat to space a…
Application of the authigenic 10Be/9Be dating to constrain the age of a long-lived lake and its regression in an isolat…
The depositional record of intermontane basins provides a valuable archive of the temporal evolution of orogenic belts; their common isolated nature may, however, hinder the effic…
Ultrasonic degradation of GenX (HFPO-DA) - Performance comparison to PFOA and PFOS at high frequencies
Sonolytic degradation kinetics of hexafluoropropylene oxide-dimer acid (HFPO-DA or GenX) were studied for the first time at four high ultrasonic frequencies (375, 580, 860 and 1,1…
The paleoecology of Rano Kao and the Environmental dynamics on Rapa Nui -the last 15,000 years
Summary Recent Research at Ava Ranga Uka includes the coring of four water sites along an 8km long collapsed lava tube to find out if significant carbon and nitrogen relationships…
Experimental results, integrated model validation, and economic aspects of agrivoltaic systems at northern latitudes
Agrivoltaic systems, which allow the coexistence of crop and electricity production on the same land, are considered an integrated water-energy-food nexus solution to allow the si…
Unsupervised clustering identifies thermohaline staircases in the Canada Basin of the Arctic Ocean
Thermohaline staircases are a widespread stratification feature that impact the vertical transport of heat and nutrients and are consistently observed throughout the Canada Basin …
3D shear wave velocity structure in the southwestern Okinawa Trough
The southwestern Okinawa Trough is an active back-arc basin, extending and rifting within the continental lithosphere. Studying the southwestern Okinawa Trough is important for un…
The uncertain future of mountaintop-removal-mined landscapes 1: How mining changes erosion processes and variables
Surface mining may be humanity's most tangible impact on Earth's surface and will become more prevalent as the energy transition progresses. Prediction of post-mining landscape ch…
How big is a boulder? Evaluating fixed and process-based definitions for boulders
Boulders are globally widespread and influence landscape processes across hillslopes, coasts, rivers and extra-terrestrial settings. Boulders are described as particles, sufficien…
Estimating the silica content and loss-on-ignition in the North American Soil Geochemical Landscapes datasets: a recurs…
A novel method of estimating the silica (SiO2) and loss-on-ignition (LOI) concentrations for the North American Soil Geochemical Landscapes (NASGL) project datasets is proposed. C…
Onsite sanitation systems and contamination of groundwater: A systematic review of the evidence for risk using the sour…
The level of risk that onsite sanitation systems (OSS) pose to groundwater quality remains uncertain. The link between contamination and OSS can only be proved if the source, path…
A scoping review on climate change education
Escalating climate impacts predicted in the past decades are now a reality almost everywhere on the planet, and the time-critical dimension of the climate crisis means that the co…
Evaluating Climate Signals on Global Coastal Shoreline Positions A commentary on “Influence of El Niño on the variabili…
Almar and colleagues (2023) are correct in stating that, “understanding and predicting shoreline evolution is of great importance for coastal management.” Amongst the different ti…
Sustainable irrigation reduces arsenic bioavailability in fluvio-alluvial soils promoting microbial responses, high ric…
Minimizing arsenic (74.92As33) loading into rice plants, we suggest adopting alternating wetting and drying (AWD) irrigation as a sustainable water management strategy allowing gr…
Retrieving the irrigation actually applied at district scale: assimilating high-resolution Sentinel-1-derived soil mois…
Irrigation is the most water consuming activity in the world. Knowing the timing and amount of irrigation that is actually applied is therefore fundamental for water managers. How…
Python workflow for segmenting multiphase flow in porous rocks
The need for accurate, consistent and fast image processing has become an important part of the investigation of multiphase flow through porous media. We describe an open-source i…
Soil geochemistry of hydrogen and other gases along the San Andreas Fault
Natural hydrogen has generated great interest as a potential clean and renewable energy source. To understand the occurrence of natural hydrogen, 103 1-m deep soil gas samples wer…
Plastics in the deep sea – a global estimate of the ocean floor reservoir
The exponential increase in plastic production coupled with variable global waste management system efficiencies has resulted in large amounts of plastic waste entering the ocean …
Coherent subsiding structures in large eddy simulations of atmospheric boundary layers
Coherent structures are characterized in high-resolution simulations of three atmospheric boundary layers: dry convection, marine cumulus, and stratocumulus. Based on radioactive-…
Present and future limits to climate change adaptation
Sustainable economic development and resilience to climate change impacts require human adaptation to a warming climate. It is possible that rising costs of climate change will pr…
Physically based Probabilistic Rainfall Intensity-Duration (ID) Thresholds for Runoff-Generated Debris Flows
Runoff-generated debris flows are common hazards in mountainous regions, causing millions of dollars lost and hundreds of casualties yearly. Early warning systems based on rainfal…
Application of Köppen Climate Classification of Two Remote Regions in Turkey
This paper presents the application of the Köppen climate classification system for two remote regions in Turkey. The author describes the Köppen system and the history of climate…
Improving drinking water consumer confidence reports: Applying user-centered design
The US Environmental Protection Agency is revising its policy on drinking water quality reports for consumers. These reports are intended to enhance the public’s “right to know” a…
On the role of lake level management in modulating climate change impacts on perialpine lakes
Study region Four perialpine lakes in Switzerland, with different levels of lake level management. Study focus Alpine regions are particularly sensitive to climate change due t…
Effect of basal friction on granular column collapse
The collapse behaviour of granular materials is influenced by many factors, such as aspect ratio and inter-particle friction. However, the specific impact of basal to grain fricti…
An adjoint-based optimization method for jointly inverting heterogeneous material properties and fault slip from earthq…
Analysis of tectonic and earthquake-cycle associated deformation of the crust can provide valuable insights into the underlying deformation processes including fault slip. How tho…
A preliminary assessment of urban water security in Ulaanbaatar, a semi-arid region in Mongolia.
Water security is one of the biggest challenges of the 21st century. Understanding context-specific challenges and opportunities around this issue is key to improving water system…
Mapping Permafrost Variability and Degradation Using Seismic Surface Waves, Electrical Resistivity, and Temperature Sen…
Subsurface processes significantly influence surface dynamics in permafrost regions, necessitating utilizing diverse geophysical methods to reliably constrain permafrost character…
High rates of rock organic carbon oxidation sustained as Andean sediment transits the Amazon foreland-floodplain
The oxidation of organic carbon contained within sedimentary rocks (“petrogenic” carbon, or hereafter OCpetro) emits nearly as much CO2 as is released by volcanism, thereby playin…
Commercial-Scale Demonstration of a First-of-a-Kind Enhanced Geothermal System
Fervo Energy has completed construction of a commercial enhanced geothermal system (EGS) project and has qualified full functionality of the system through production testing at c…
Waterflood-CMG production optimization analysis for the Draugen field of Norway
The Draugen field is well-known for producing oil that is then transported to power plant facilities to generate electricity in Draugen. However, with declining oil production (as…
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