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Showing 9701 to 9750 of 22070 works
Drivers of late Miocene tropical sea surface cooling: a new perspective from the equatorial Indian Ocean
During the late Miocene, global cooling occurred alongside the establishment of near-modern terrestrial and marine ecosystems. Significant (3 to 5 °C) sea surface cooling from 7.5…
A Cross-Ecoregion Evaluation of Nitrogen Fixation and Denitrification in Streams and Rivers of the United States of Ame…
It is typically assumed that dinitrogen (N 2 ) fixation and denitrification are mutually exclusive processes in riverine ecosystems because N 2 fixation is favored in high light, …
Elemental Relics: Biosignatures for Microbial Life in Terrestrial Hot Springs on Ancient Earth and Mars
Terrestrial hot springs have existed throughout Earth’s history and house some of the most ancient evidence of life on our planet. These settings are known for their high habitabi…
Frequent Synoptic Monitoring of Cyanobacterial Harmful Algal Blooms for Potential Prevention of Disease Outbreak
Cyanobacterial Harmful Algal Blooms (CyanoHABs) are progressively becoming a major water quality and public health hazard worldwide. Untreated CyanoHABs can severely affect human …
Violation of Hemispheric Symmetry in Integrated Poynting Flux via an Empirical Model
For southward interplanetary magnetic field (IMF) during local summer, the hemispherically integrated Poynting flux estimated by FAST-satellite-derived empirical models is signifi…
Classifying Agnostic Biosignatures using Raman, VNIR, and Elemental Data
How can we use our current wealth of terrestrial data, encompassing biogenic and abiogenic systems, to determine the distinguishing properties of life? SCOBI (Statistical Classifi…
Onboard Autonomous Summarization and Prioritization of CE-ESI MS Data for the Ocean Worlds Life Surveyor
The Ocean Worlds Life Surveyor (OWLS) is a field prototype instrument suite designed to autonomously search for evidence of water-based life, developed in preparation for potentia…
Studying Interseismic Deformation Using InSAR Phase-gradient Stacking: Application to the North Anatolian Fault
The geodetic measurements of accumulated strains along active faults during their interseismic periods have a strong connection with faulting dynamics and seismic hazards evaluati…
Radiative transfer speed-up combining optimal spectral sampling with a machine learning approach
The Orbiting Carbon Observatories-2 and 3 make space-based measurements in the oxygen A-band and the weak and strong carbon dioxide (CO2) bands. A Bayesian optimal estimation appr…
Vegetation Dynamics vs. Sediment Supply During the Late Quaternary: Paradigm of Sea Level Change and Two Distinct Time-…
This study examines the impact of climate-sea level controls on the vegetation and evolution of the Niger Delta during the Late Quaternary. The extraneous controls on the environm…
Improving thermal properties estimates of the Antarctic crust and their uncertainties
Geothermal heat flux (GHF) is an important basal boundary condition for models of ice sheet dynamics, but is poorly constrained by conventional borehole-based estimates. The accur…
Assessment of Spatio-Temporal and diurnal Urban Heat Island Intensities in Delhi Urban agglomeration using a high resol…
Urban Heat Island (UHI) is defi ned as increased surface and air temperatures of urban areas ascompared to rural surroundings. Thermal remote sensing data have been used extensive…
Spatial & Multisectoral Impacts of Paris Agreement Article 6 under Different Equity-driven Emissions Mitigation Pat…
Article 6 of the Paris Agreement on greenhouse gases enables countries to cooperate in implementing their nationally determined contributions (NDCs) towards emission reduction. Cu…
Seismic reflection data reveal the 3D subsurface structure of pit craters
Pit craters are enigmatic, quasi-circular depressions observed on rocky (e.g., Earth and Mars) and icy (e.g., Enceladus) planetary bodies, and numerous asteroids. These depression…
Signature of Modern Meteorological and Glacial Lake Outburst Floods in Fjord Sediments (Baker River, Chilean Patagonia)
Floods are among the most destructive natural hazards on Earth. In paleohydrology, sediments are generally considered as one of the best archives to extend flood records to pre-hi…
Using satellite observations to evaluate model microphysical representation of Arctic mixed-phase clouds
Mixed-phase clouds play an important role in determining Arctic warming, but are parametrized in models and difficult to constrain with observations. We use two satellite-derived …
Impacts of cold ionospheric ions in magnetic reconnection at the Earth's magnetopause and magnetotail
The Earth’s magnetosphere is filled by particles from two sources: the solar wind and the ionosphere. Ionospheric ions are initially cold and contain He + and O + , in addition to…
Dependence of streamer propagation on background field conditions
Positive and negative electric streamers are column-shaped discharges which are an important stage in lightning development. The mechanism, by which the streamer acquires a certai…
Developing Empathy and Embracing Multiple Ways of Knowing about Ocean Science through a Participatory Art Process
Ocean governance is characterised by social-ecological complexity and divergence in stakeholder values and perspectives. Meeting the challenges set out in the UN Decade of Ocean S…
Should input rainfall dictate model timestep? - A ‘commensurability’ perspective
Application of fixed timestep numerical schemes in engineering has long been criticized for their inaccuracy, inefficiency, and inconsistency across time-scales. Yet, to date, mos…
Internal variability of all-sky and clear-sky surface solar radiation on decadal timescales
Internal variability comprises all processes that occur within the climate system without any natural or anthropogenic forcing. Climate driving variables like the surface solar ra…
Building software documentation for community engagement: lessons learned with OGGM
The Open Global Glacier Model (http://oggm.org) is an open source modelling framework, helping various research groups to simulate and understand mountain glacier change at the re…
Variable Responses of Coastline Dynamics Controlled by Migrating Subtidal Mudbanks
Coastal wetlands provide a livelihood for local communities and simultaneously provide services that include coastal protection, enhanced carbon storage and habitats provision for…
Neotectonic character of Son-Narmada geo-fracture and its implication on SCR earthquakes in central India: A geomorphic…
Apparently stable central Indian craton has been experiencing a number of micro-seismicity in and around the pristine Son-Narmada-South fault (SNSF), possibly because of creep alo…
Compounding Risk of Heat Stress-Rain Induced Floods in Urban India
The Indian subcontinent is one of the hotspots of deadly heat stress. Several attribution studies have shown increasing trends in heatwaves and its linkage with dry spells over So…
Novel ISR electron temperature technique for heating experiments using the Arecibo Legacy
The Arecibo Observatory (AO) could modify the ionosphere using high frequency (HF) waves. During the HF experiments, the incoherent scatter radar (ISR) was used to study the behav…
Modeling the Response of Coastal Stratocumulus Clouds to Sudden and Gradual Variations of Surface Heat Fluxes
Coastal stratocumulus clouds (Sc) have unique modeling challenges due to their development over coastal land, one of them being the accurate representation of surface fluxes. Unli…
Potential changes in rainfall erosivity under climate change in southeastern United States
Climate change will amplify erosion rates as erosive power of rainfall will likely increase due to change in rainfall characteristics (e.g., energy, intensity, duration as well as…
Land Use Land Classification (LULC) Change Detection with High Cadence Multimodal Image Time Series and Self-Supervised…
We believe that the future of Earth Observation (EO) is in fusion, harmonization, and interoperability of satellite imagery. Intensified monitoring leads to better understanding…
Daytime Mesosphere and Lower Thermosphere Neutral Winds and their relationship with lower E region layers over Arecibo
The formation of layers at mid-latitudes has been related to neutral winds activity at altitudes below 130km in the Mesosphere and Lower Thermosphere (MLT). Recent SAMI3 simulatio…
Insights on Calving Processes from Fragmentation Theory Applied to Iceberg Size Distributions
Changes in glacier terminus position have been implicated as one of the primary drivers of the rapid changes in glacier dynamics observed across the globe in the last two decades.…
Rhymes and Reasons: The Promises of Geosciences in a Complexful World
Probably the founding father of Geology, Sir James Hutton was raised as a doctor but his passions for the nature surrounding his farm led him to rocks, then specimens, then fossil…
Eelgrass Sediment Characteristics in the South Slough Estuary, OR
Seagrasses provide a variety of ecosystem services, including sediment stabilization, sediment accretion, improving water quality through trapping suspended sediments, and storing…
Hestia-AKL: An Inventory of Fossil Fuel CO 2 Emissions for Auckland, New Zealand
The largest city in New Zealand, Auckland is home to roughly 1.5 million people -- one third of New Zealand's population. Here we assemble a bottom-up inventory of Auckland's foss…
Coupling GPROF precipitation estimates and DPR reflectivity profiles over the Netherlands to (reflectivity) observation…
Radiance measurements from several types of passive microwave (PMW) sensors are combined in the Global Precipitation Measurement mission (GPM) to increase the temporal and spatial…
Modeling Complex Fluid Flow in Rough-Fractures: a Lubrication-Based Approach
Flow in formations having both low-porosity and low-permeability prevalently occurs in fracture networks. Fracture connectivity and permeability are the main features governing fl…
Correcting Coarse-Resolution Weather and Climate Models by Machine Learning from Global Storm-Resolving Simulations
Global atmospheric ‘storm-resolving’ models with horizontal grid spacing of less than 5~km resolve deep cumulus convection and flow in complex terrain. They promise to be referenc…
Unravelling Forest Complexity: Resource Use Efficiency, Disturbance, and the Structure-Function Relationship
Structurally complex forests optimize light and water resources to assimilate carbon more effectively, leading to higher productivity. Information obtained from Light Detection an…
Evaluation of Version 3 total and tropospheric ozone columns from EPIC on DSCOVR for studying regional scale ozone vari…
In this study, we present evaluation of version 3 ozone products derived from the DSCOVR EPIC instrument. EPIC’s total and tropospheric ozone columns have been compared with corre…
Precipitation and Lightning Activity over Tropical Lakes
Although the intensity and frequency of lightning and rainfall are higher over the continents and during the daytime, the place with the most lightning in the world is Lake Maraca…
Changes in Dependence between Drivers of Compound Flooding around the Contiguous United States Coastline
Low-lying coastal zones are prone to flooding from multiple drivers such as storm surge (oceanographic), excessive river discharge (fluvial), and/or surface runoff (pluvial). The …
Assessment of Rapid Flood-Inundation Mapping in the Amite and Comite Rivers, Louisiana, using Flood Depth Estimator
Flooding, moisture, and climate combined with traffic conditions are responsible for the failure of pavement and traffic disruption. Flooding may deteriorate the structural integr…
A Hydrogeophysical Investigation of the Shallow Sandy Aquifers in the Oak Openings Region of Northwest Ohio
The Oak Openings Region of Northwest Ohio has a unique shallow sandy aquifer that is responsible for the wet prairie ecosystem above it. However, groundwater flux and contaminant …
Uncertainty Quantification for Basin-Scale Geothermal Conduction Models
Geothermal energy plays an important role in the energy transition by providing a renewable energy source with a low CO2 footprint. For this reason, this paper uses state-of-the-a…
Hydrodynamic Assessment of Natural and Nature-based Features for Escatawpa River and Grand Bay in the Northern Gulf of …
This presentation showcases a hydrodynamic assessment of natural and nature-based features (NNBFs) for the Pascagoula River, the Escatawpa River and Grand Bay, located along the M…
Evaluating medium-range forecast performance of regional-scale circulation patterns.
Accurate sub-seasonal to seasonal (S2S) weather forecast between 2 weeks and several months is crucial to making informed decisions regarding changes in the risk of extreme weathe…
Temporary densification of a rain gauge network to gain knowledge about orographic rain enhancement on the Island of Ta…
In tropical islands, interactions between atmospheric circulation and island topography generate complex patterns of orographic rain. Despite recent advances, numerical weather mo…
Water Insecurity and Climate Risk: Investment Impact of Floods and Droughts
Concerns about water security often inform climate risk-related decisions made by environmentally focused investors (Porritt, 2001; Stern, 2006). Yet, potential liabilities for da…
Coupled Thermo-Hydro-Mechanical Effects on Injection-Induced Seismicity in Fractured Reservoirs
With the urgent necessity of geo-energy resources to achieve carbon neutrality, fluid injection and production in the fractured media will significantly increase. Applications suc…
The diurnal cycle of rainfall and cloud properties from Himawari-8 during the austral summer (2016-2020).
In this work, the characteristics of the diurnal cycle around Sumatra are examined with unprecedented detail using high-resolution satellite-derived cloud properties from the Hima…
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