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Showing 3301 to 3350 of 22070 works
Heat flux estimates from a synthesis of satellite observations and a hydrodynamic model (with application to Long Islan…
Estimating surface heat fluxes via direct covariance measurements or bulk formulae is observation-intensive and costly. We present a methodology whereby we estimate net surface he…
Mechanisms of wettability control on two-phase immiscible displacement in microfluidic porous media
Wettability is one of the key controlling parameters for multiphase flow in porous media and significant for various geoscience applications such as geological storage of CO2, EOR…
2021 Walhonding Watershed Mass Balance Study - Technical Report
This mass balance study was intended to provide up-to-date information about the water quality of the headwater streams draining to the Mohican and Walhonding rivers. This data wi…
An Inventory of Global Rocket Launch Emissions and Projected Near-Future Impacts on Stratospheric Ozone
The rate of rocket launches is accelerating, driven by the rapid global development of the space industry. Rocket launches emit chemically and radiatively active species into the …
Causes and consequences of adaptation choices in agriculture : comparative approach between crops and wine growing in t…
Climate change is modifying the conditions of agricultural production. In particular, precipitations are redistributed in time and space. In the Rhine Valley, this results in prol…
Impacts of hydrodynamic conditions and surface roughness on the critical condition to develop and thickness of Pseudomo…
The formation of biofilms can increase pathogenic contamination of drinking water, cause biofilm-related diseases, and alter the rate of sediment erosion in rivers and coasts. Mea…
Agent-based modelling of alternative futures in the British land use system
Socio-economic scenarios such as the Shared Socioeconomic Pathways (SSPs) have been widely used to analyse global change impacts, but representing their diversity is a challenge f…
Melting Experiments on Fe-O-H and Fe-H: Evidence for Eutectic Melting in Fe-FeH and Implications for Hydrogen in the Co…
We examined liquidus phase relations in Fe-O±H at ~40 and ~150 GPa, and in Fe-H at 45 GPa. While it has been speculated that Fe and FeH form continuous solid solution to core pres…
MHD study of extreme space weather conditions for exoplanets with Earth-like magnetospheres: On habitability conditions…
The present study aims at characterizing the habitability conditions of exoplanets with an Earth-like magnetosphere inside the habitable zone of M and F stars, caused by the direc…
Atmospheric Rivers and Weather Types in Aotearoa New Zealand: a two-way story
Here, we analyze the inter-relationships between weather types (WTs) and atmospheric rivers (ARs) around Aotearoa New Zealand (ANZ), their respective properties, as well as their …
The paucity of supershear earthquakes on large faults governed by rate and state friction
Supershear earthquakes are rare compared to their subshear counterparts, but the cause for their paucity remains to be understood. We investigate for the first time the prevalence…
Controlling the Chaos: An Environmentally-informed, automated Quality-Assurance and Quality-Control Model for Continuou…
While more hydrological data is being generated than ever before, the power of modelling this collected information is not fully realized unless it is of high quality, especially …
Solar-induced fluorescence products show variable skill in constraining global patterns in biospheric CO2 fluxes
Solar-induced fluorescence (SIF) shows enormous promise as a proxy for photosynthesis and as a tool for modeling variability in gross primary productivity (GPP) and net biosphere …
An analytic expression for the volcanic seismic swarms occurrence rate
Seismic swarms are defined as a group of earthquakes occurring very close in time and space but without any larger event triggering their occurrence. Up to now no simple law has b…
A new observational evidence of generation and propagation of barotropic Rossby waves induced by tropical instability w…
Tropical instability waves (TIWs) in the equatorial eastern Pacific (EEP) exhibit 25–40-day westward-propagating fluctuations with seasonal and inter-annual variations, which are …
Quantifying Sub-Meter Surface Heterogeneity on Mars Using Off-Axis Thermal Emission Imaging System (THEMIS) Data
Surface heterogeneities below the spatial resolution of thermal infrared (TIR) instruments result in anisothermality and produce emissivity spectra with negative slopes at longer …
Long-Term Exoplanet Habitability: How Chance Favors Prokaryotes
We utilize the Planet Model Code [1] to model the probability of survival of Earth-like life on habitable worlds (to 3 billion years post-abiogenesis). The Planet Model Code [1] w…
Occurrence statistics of horse collar aurora
Horse collar aurora (HCA) are an auroral feature where the dawn and dusk sector auroral oval moves polewards and the polar cap becomes teardrop shaped. They form during prolonged …
Salt Marsh Response to Increased Tidal Inundation
Barrier inlets and marshes behind them are often viewed and managed as separate systems with independent controls because they are affected by different boundary conditions. Here,…
Volume Transport Estimation of the Kuroshio Extension based on Subsurface Mooring Array and Satellite Altimetry
The vertical structure of the Kuroshio Extension (KE) is investigated using velocity measurements from a subsurface mooring array. Mode decomposition based on climatological Tempe…
Compound flooding in a subtropical estuary caused by Hurricane Irma in 2017
Hurricane Irma affected the Florida peninsula in September 2017. The east coast of the peninsula was hit particularly hard: the city of Jacksonville flooded around the St. Johns R…
Hydraulic redistribution in mangroves: time-lapse electrical resistivity reveals diel patterns of subsurface salt mobil…
A 24-hour 2D time-lapse electrical resistivity imaging (ERI) survey was conducted in an altered mangrove forest on a barrier island in southeast Florida, USA, to (1) assess the me…
Surface Rupturing Earthquakes of the Greater Caucasus Frontal Thrusts, Azerbaijan
Quaternary convergence at rates of ~10 mm/yr between the Arabian and Eurasian plates is largely accommodated by the Kura fold-thrust belt at the longitude of the Greater Caucasus …
The regression of atmospheric concentration on carbon dioxide emissions
The impulse response of CO2 concentration due to variation in CO2 emissions was estimated from observed time series using the ARX method augmented by testing residuals for self-co…
Manganese Limitation of Phytoplankton Physiology and Productivity in the Southern Ocean
Although iron and light are understood to regulate the Southern Ocean biological carbon pump, observations have also indicated a possible role for manganese. Low concentrations in…
Scaling laws for liftoff velocity for wind-transported particles during particle-bed collisions
We performed wind tunnel studies of sand–bed collisions with natural sand particles and found an impact angle of 10.5o over a loose bed, and calculated the critical impact velocit…
Parallelization of a two-dimensional time-area runoff routing scheme for efficient overland flow modeling
Grid-based spatially distributed hydrological modeling became feasible along with advances in watershed routing scheme, remote sensing technology, and computing resources. Such mo…
The unlocking process of the 2016 Central Italy seismic sequence
Approximately 23,000 well-located earthquakes from 2009 to 2016 are used as templates to recover seismic activity preceding the 2016 Central Italy seismic sequence. The resulting …
Oxygen isotopes reveal glacial-interglacial changes in the timing of pedogenic carbonate growth from the Chinese Loess …
Pedogenic carbonates document a wealth of environmental information, but their seasonal variations may obscure long-term trends. Here we report evidence of changing seasonality of…
The Martian Boulder Automatic Recognition System, MBARS
Boulder-sized clasts are common on the surface of Mars, and many are sufficiently large to be resolved by the High Resolution Imaging Science Experiment (HiRISE) camera aboard the…
Observations of satellite land surface phenology suggest that maximum leaf greenness affects global vegetation producti…
Vegetation green leaf phenology directly impacts gross primary productivity (GPP) of terrestrial ecosystems. Satellite observations of land surface phenology (LSP) provide an impo…
What to do when the F10.7 goes out?
The solar radio flux at 10.7 cm, known as F10.7, is a critical operational space weather index. However, without a clear backup, any interruption to the service can result in subs…
Reconstruction of the Fine-resolution Apparent Temperature (Humidex) With the Addition of Aerodynamic Parameters
The “felt temperature” is the preferred measure of hotness or coldness expressed to depict human sensory. However, to date, our perception of its spatial pattern with fine spatiot…
Travelling Ionospheric Disturbances Detected by the Scintillation Observations and Response of The Ionosphere to Electr…
The Scintillation Observations and Response of The Ionosphere to Electrodynamics (SORTIE) mission is a 6U CubeSat that has been making ionospheric measurements at 420 km altitude …
Simulation of Magnetospheric Sawtooth Oscillations: the Role of Kinetic Reconnection in the Magnetotail
Magnetospheric sawtooth oscillations are observed during strong and steady solar wind driving conditions. The simulation results of our global MHD model with embedded kinetic phys…
A Global Spatial-Temporal Land Use Regression Model for Nitrogen Dioxide Air Pollution
The World Health Organization (WHO) recently reduced its health guideline for Nitrogen dioxide (NO 2) to annual and 24-hr means of 10 µg/m 3 (5.3 ppb) and 25 µg/m 3 (13.3 ppb). NO…
Assimilation of temperatures and column dust opacities measured by ExoMars TGO-ACS-TIRVIM during the MY34 Global Dust S…
We assimilate atmospheric temperature profiles and column dust optical depth observations from the ExoMars Trace Gas Orbiter Atmospheric Chemistry Suite thermal infrared channel (…
The Effect of Equatorial Noise on the Proton Density Structure of the Inner Van
• Observations of wave damping due to finite Larmor radius effect in the inner belt region • Evidence of wave-particle interaction modifying the proton density profile at L~1.8
Assessment of the Knowledge-based Decisions in the field of Urban Water Infrastructure in Iran and Brazil Using Nominal…
Among the most complex activities in water companies is extracting accurate operational data of Urban Water Infrastructure (UWI). Hence, the use of data-based methods would be fac…
Modulation of the energetic electron distribution caused by toroidal mode ULF waves in association with periodic enhanc…
ERG/Arase satellite observations show a simultaneous enhancement of whistler-mode chorus emissions and electron flux associated with toroidal mode ultra-low frequency (ULF) waves.…
In situ Particle Measurements Deemphasize the Role of Size in Governing Particle Sinking Velocity
Sinking particles are important in delivering carbon to the deep ocean where it may be stored out of contact with the atmosphere. Particle sinking velocity strongly influences the…
Earth Can't heat itself with its own Radiation
Back Radiation to the Earth does not warm the Earth. Some say that the back radiation referred to above heats the Earth's surface. That can't happen. The Earth can't heat itself f…
Sea Level Rise, Climate Justice, and the Paris Agreement
In 2015, at the United Nations Conference of the Parties in Paris, France, countries agreed to limit the global mean surface temperature (GMST) increase to 2°C above preindustrial…
On the role of rheological memory for convection driven plate-reorganizations
Understanding the temporal variability of Earth’s tectonics is key to unraveling how mantle convection transports heat. The stability of plate motions depends on rheological “memo…
Annual 30 m soybean yield mapping in Brazil using long-term satellite observations, climate data and machine learning
Long-term spatially explicit information on crop yield is essential for understanding food security in a changing climate. Here we present a study that combines twenty-years of La…
Colonization of the marine realm and the Great Oxidation Event: Experimentally assessing the plasticity and evolution o…
Earth’s atmosphere underwent an irreversible, and geologically sudden, change approximately 2.5 billion years ago from oxygen free, to oxygenated, called the Great Oxidation Event…
Biophysical Methods and Data Analysis for Simulating Overland Flow in the Everglades
The Everglades in south Florida supply fresh drinking water for more than 7 million people, host a National Park, and are classified as a Ramsar wetland of international distincti…
The Global Navigation Satellite System (GNSS): Positioning, Velocities, and Reflections
Since the inception and realization of the Global Positioning System (GPS) in the 1970-1980s, the Global Satellite Navigation System (GNSS) has become a ubiquous tool in civil, bu…
Initial investigation on different types of clouds observed by Mars Colour Camera (MCC) from India’s first Mars Orbiter…
In the present work, we analysed different types of clouds observed at the limb as well as over the surface of the red planet, captured by MCC onboard the Indian Mars Orbiter Miss…
Extreme hydrometeorological events, a challenge for gravimetric and seismology networks
Extreme events will become more common due to global change, requiring enhanced monitoring and pushing conventional observation networks to their limits. This encourages us to com…
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