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Showing 12001 to 12050 of 22070 works
Remote Sensing of the Terrestrial Water Cycle with the Cyclone Global Navigation Satellite System (CYGNSS)
The CYGNSS constellation of eight satellites was successfully launched in December 2016 into a low inclination (tropical) Earth orbit. Each satellite carries a four-channel bistat…
Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC)
The geospatial Imaging Spectroscopy Processing Environment on the Cloud (ImgSPEC; formerly GeoSPEC) pioneers an on-demand science data processing system (SDPS) producing user-cust…
Machine Learning Assisted Identification of Hydrocarbon Storage and Transport Pathways and Kerogen in Wolfcamp versus B…
A robust machine learning (ML) workflow was developed to identify kerogen and hydrocarbon storage and transport pathways in the scanning electron microscopy (SEM) maps of organic-…
Future Temperature and Salinity in Puget Sound, Washington State, Under CMIP6 Climate Change Scenarios
In Washington State, climate change will reshape the Puget Sound marine ecosystem through bottom-up and, top-down processes, directly affecting species at all trophic levels. We a…
Understanding the Relationship Between Crown Shape and Size and Structural Complexity of Individual Trees
Forest canopy structure is influenced by tree attributes and processes such as forest generation, growth, and mortality. Structural complexity of a tree or a stand has, however, b…
Global prediction of soil saturated hydraulic conductivity using random forest in a Covariate-based Geo Transfer Functi…
The saturated hydraulic conductivity (Ksat) is a key soil hydraulic parameter for representing infiltration and drainage in Earth system and land surface models. For large scale a…
Inner Core and Its Libration Under Gravitational Equilibrium: Implications to Lower-Mantle Density Anomaly
The inner core’s axial torsional libration (ATL) is a manifestation of the mantle-inner core gravitational (MICG) rotational normal mode. Its natural period is critically determin…
Temporal and spatial variations in uplift from river-profile inversions at the Central Anatolian Plateau southern margi…
The Central Anatolian Plateau (CAP) southern margin experienced a strong uplift pulse with max. rates of 3.5 km/Myr during the Quaternary, based on marine sediments dated to the M…
Next Generation Web Technologies for Hydrological Applications on Client-side Systems
As scientists are confronted with increasingly massive datasets from observations to simulations, one of the biggest challenges is having the right tools to gain scientific insigh…
Comment on “A Global Probabilistic Prediction of Cold Seeps and Associated SEAfloor FLuid Expulsion Anomalies (SEAFLEAs…
The paper being commented on describes a useful project, but shortcomings are identified, most significantly an apparent failure to be guided by the geological environment from wh…
The SET HASDM density database
The SET HASDM density database is available for scientific studies through a SQL database with open community access. The information in the SET HASDM density database covers the …
Model for Sunlight Unshunt Rapid Charging on the International Space Station
The International Space Station continues to be a productive space research laboratory after decades of operations, and it has proven to be a variable resource for observing space…
A Multiplex approach to integrate social vulnerability into urban flood mapping
Depressions are topographic areas that have no outward flow and occur in portions of landscapes with little to no elevation change, or areas with negative relief in relation to su…
Controls on boron isotopes in a cold-water coral and the cost of resilience to ocean acidification
Coral skeletal growth is sensitive to environmental change and may be adversely impacted by an acidifying ocean. However, physiological processes can also buffer biomineralization…
“Dissecting” Landscapes with Hölder Exponents to reconcile process and form
A long-standing question in geomorphology concerns the applicability of statistical models for elevation data based on fractal or multifractal representations of terrain. One diff…
The imbricated foreshock and aftershock activities of the Balsorano (Italy) Mw 4.4 normal fault earthquake and implicat…
Foreshocks are among the most powerful tools to study the processes that occur before main earthquakes. However, their detection is still sparse, especially for relatively small e…
Stratospheric ozone changes from explosive tropical volcanoes: Modelling and ice core constraints
Major tropical volcanic eruptions have emitted large quantities of stratospheric sulphate and are potential sources of stratospheric chlorine although this is less well constraine…
Using remotely piloted aircrafts to evaluate potato water stress in Central Wisconsin
Groundwater depletion in Central Wisconsin, due in part to agricultural high-capacity wells, has sparked an interest in precision irrigation to reduce groundwater pumping without …
Innovative Technologies in Teaching and Learning: Incorporating Recent Developments in Virtual and Augmented Reality in…
This work presents system concepts, integration efforts and results of the incorporation of recent advances in geospatial technologies, including augmented reality, virtual realit…
A ground-based instrument suite for integrated high-time resolution measurements of pulsating aurora with Arase
A specialized ground-based system has been developed for simultaneous observations of pulsating aurora (PsA) and related magnetospheric phenomena with the Arase satellite. The ins…
The Prominent Spring Bloom and Its Relation to Sea-ice Melt in the Sea of Okhotsk, Revealed by Profiling Floats
Seven profiling floats equipped with oxygen sensors deployed in the Sea of Okhotsk provide time series data for 33 cases of spring phytoplankton bloom, including nine cases in whi…
Himalaya air quality impacts from the COVID-19 lockdown across the Indo-Gangetic Plain
Starting in January 2020, the novel coronavirus, now known as acute respiratory syndrome coronavirus (SARS-CoV-2) and the disease that it causes (COVID-19) has had significant imp…
Comment on “Coincident locations of rupture nucleation during the 2019 Le Teil earthquake, France and maximum stress ch…
De Novellis et al. (2020, hereafter DN20) studied the effect of mass extraction from a quarry on the occurrence of the Mw 4.9 Le Teil, France, earthquake of November 11 2019. This…
Grain size and transport biases in an Ediacaran detrital zircon record
Detrital zircon records of provenance are used to reconstruct paleogeography, sediment sources, and tectonic configuration. Recognition of the biases in detrital zircon records th…
Assessment of Predictability in Downscaling GEFS Precipitation Forecasts
The NOAA Physical Sciences Laboratory produces the Global Ensemble Forecasting System (GEFS) which comprises 11 ensemble members (1 control and 10 perturbation runs) for over a 36…
Petrofabric and Seismic properties of exhumed subducted oceanic crust from Naga Hills Ophiolite, North-East India
The microstructures, textures and seismic anisotropy of a foliated blueschist-eclogite rock from Naga Hills Ophiolite (NHO) complex, North-East India has been investigated to unde…
Pore Scale Modelling of Carbon Capture and Sequestration
Carbon capture and storage (CCS) has been identified as an area of research interest due to its potential for reducing the global greenhouse effect. CCS typically involves injecti…
Lower hybrid drift waves during guide field reconnection
Generation and propagation of lower hybrid drift wave (LHDW) within and near the electron diffusion region (EDR) during guide field reconnection at the magnetopause is studied wit…
Rupture Process of the 2020 Caribbean Earthquake along the Oriente Transform Fault, Involving Supershear Rupture and Ge…
A large strike-slip earthquake occurred in the Caribbean Sea on 28 January 2020. We inverted teleseismic P-waveforms from the earthquake to construct a finite-fault model by a new…
Integrating Point-Source Methane Emissions from Imaging Spectroscopy Data into the Multi-scale Methane Analytic Framewo…
The Surface Biology and Geology global imaging spectrometer is primarily designed to observe the chemical fingerprint of the Earth’s surface. However imaging spectroscopy across t…
Horizontal variability and regulation of bacterial production in a large, temperate lake
To clarify horizontal variability and regulation of bacterial production (BP), we investigated BP and environmental variables along three east-west transects (Lines 12, 15, and 17…
Needle Propagation and Twinkling Characteristics
Recently, a new lightning phenomena, termed needles, has been observed in both VHF and in optical along positive lightning leaders. They appear as small ($<$100 m) leader branches…
Data Assimilative Optimization of WSA Source Surface and Interface Radii using Particle Filtering
The Wang-Sheeley-Arge (WSA) model estimates the solar wind speed and interplanetary magnetic field polarity at any point in the inner heliosphere using global photospheric magneti…
Very Long-term Post-seismic Gravity Changes due to the 2004 Sumatra-Andaman Earthquake Detected by GRACE + GRACE-FO sat…
Long-term post-seismic gravity change (PGC) of the 2004 Sumatra-Andaman earthquake (Mw9.1-9.3) detected by GRACE + GRACE-FO is modeled sufficiently by an exponential function unti…
The little known Awu volcano is among the highest CO2 degassing source on earth
Awu is one of the remote and little known active volcanoes of Indonesia. It is the northernmost active volcano of Sangihe arc with 18 eruptions in less than 4 centuries, causing a…
Theoretical and experimental analyses of the temperature responses of water-saturated rocks to changes in confining pre…
The temperature response of water-saturated rocks to stress changes is critical for understanding thermal anomalies in the crust, because most porous rocks are saturated with grou…
The Quadratic Magnetic Gradient and Complete Geometry of Magnetic Field Lines Deduced from Multiple Spacecraft Measurem…
Topological configurations of the magnetic field play key roles in the evolution of space plasmas. This paper presents a novel algorithm that can estimate the quadratic magnetic g…
Relationship between the Temperatures of Solar Corona and Planetary Magnetosheaths
This research aims to explore the relationship between the temperatures of solar corona and planetary magnetosheaths. Based on the second law of thermodynamics, the maximum temper…
Lightning in the Arctic
WWLLN (World Wide Lightning Location Network) data on global lightning are used to investigate the increase of total lightning strokes at Arctic latitudes. We focus on the summert…
Biolability of Fresh and Photodegraded Pyrogenic Dissolved Organic Matter from Laboratory-Prepared Chars
Pyrogenic dissolved organic matter (pyDOM) is known to be an important biogeochemical constituent of aquatic ecosystems and the carbon cycle. While our knowledge of pyDOM’s produc…
Do surface temperature indices reflect trends in Atlantic Meridional Overturning Circulation strength?
The difference between North Atlantic subpolar gyre sea surface temperatures (SPG SSTs) and hemispheric- or global-scale surface temperatures has been utilized as an index of cent…
The dynamics of tsunamigenic acoustic-gravity waves and bathymetry effect
The investigation of atmospheric tsunamigenic acoustic and gravity wave (TAGW) dynamics, from the ocean surface to the thermosphere, is performed through the numerical computation…
COVID-19 in a Time of El Niño and Ecosyndemic Vulnerability: Insights from Latin America
Latin America has emerged as an epicenter of the COVID-19 pandemic. Brazil, Peru, and Ecuador report some of the highest COVID-19 rates. These countries also face dual threats fro…
Deforestation impacts on orographic precipitation in the tropical Andes
This study examines the implications of Tropical Montane Forests (TMFs) loss on orographic precipitation in the Eastern slopes of the Andes (EADS). The focus is on moist processes…
Examining the Role of Dispersion Relation and Collision Frequency Formulations on Estimation of Shortwave--Fadeout
Over–the–Horizon (OTH) communication is strongly dependent on the state of the ionosphere, which is susceptible to solar flares. Trans–ionospheric high frequency (HF) signals expe…
Ionospheric Sluggishness: A Characteristic Time-Lag of the Ionospheric Response to Solar Flares
The term “ionospheric sluggishness” is used to describe the time delay between maximum radio absorption in the ionosphere following the time of maximum irradiance during a solar f…
Decorrelation is not dissociation: there is no rational solution to the Brutsaert-Nieber parameter association problem
The coefficient (k) of the Brutsaert-Niber equation (-dQ/dt = kQ^α, Q being discharge at time t) cannot provide information on streamflow dynamics independently because its unit d…
Observational evidence of interaction between Equatorial Plasma Bubble, Medium-scale Traveling Ionospheric Disturbances…
An interesting interaction between equatorial plasma bubbles (EPBs), medium-scale traveling ionospheric disturbance (MSTID), and midnight brightness wave (MBW) were observed at Ca…
Evolution of the tectonic stress regime in the Pearl River Mouth Basin and its constraints on the expansion of the Sout…
Several NE-striking sedimentary basins, including the representative Pearl River Mouth Basin, formed under a unified tectonic stress regime in the northern continental margin of t…
Science-Industry Collaboration in the Maritime Sector -- Analytical Reflections and Experiences from Sensor Innovation …
The need for extended and comprehensive ocean observations is ever-growing. Global challenges such as changing climate, pollution and sustainable resource management demand for a …
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