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Showing 4851 to 4900 of 59105 works
Precipitation resonance for an idealized ITCZ model
Tropical convection is known to self-organize under the diurnal cycle, yet is also subject to large scale convergence. In a suite of idealized numerical experiments we mimic Earth…
Seasonal changes in the vertical structure of ozone in the Martian lower atmosphere and its relationship to water vapour
The mid-infrared channel of the Atmospheric Chemistry Suite (ACS MIR) onboard the ExoMars Trace Gas Orbiter is capable of observing the infrared absorption of ozone (O3) in the at…
Modeling Platform as an Innovation Playground for Advances in Characterization and Remediation of Contaminated Sites
The importance of water supplies cannot be overstated, yet contaminant monitoring and management have not seen strong innovation in information and computing technologies (ICT) su…
Extended rift-associated volcanism in Ganis Chasma, Venus detected from Magellan radar emissivity
Exploration of Venus in the 1970–1990’s revealed that the geology of Venus, the most Earth-like of the terrestrial planets, was decidedly un-Earth-like, with no plate tectonics, a…
Millennial-scale Iron Flux and Ocean Circulation Change Affects Subantarctic Pacific Carbon Cycling During Marine Isoto…
During Marine Isotope Stage 3 (MIS-3; 57–29 ka) Antarctic ice cores reveal a glacial climate state punctuated by millennial-scale warming events and pulses of CO 2 . Changes in ir…
Mapping the wildland-urban interface in CA using remote sensing data
Due to the mixed distribution of buildings and vegetation, wildland-urban interface (WUI) areas are characterized by complex fuel distributions and geographical environments. The …
Causal analysis and modeling of unfrozen water in frozen soil based on the coupling of adsorption and capillary action
Unfrozen water affects the thermal-hydro-mechanical characteristics, microbial activity and freeze-thaw processes in frozen soils. This study found that part of the unfrozen water…
21st century scenario forcing increases more for CMIP6 than CMIP5 models
We present new estimates of the forcing for models participating in Coupled Model Intercomparison Project 6 (CMIP6) by applying the method developed in Fredriksen et al. (2021). V…
Slow Fault Slip Signatures in Coseismic Ionospheric Disturbances
Rise times of earthquake moment release influence the spectra of seismic waves. For example, slow fault movements in tsunami earthquakes excite larger tsunamis than expected from …
Landscape pollution source dynamics highlight priority locations for basin-scale interventions to protect water quality…
Extreme weather conditions are associated with a variety of water quality issues that can pose harm to humans and aquatic ecosystems. Under dry extremes, contaminants become more …
Tracing Essential Elements of Life using Artificial Intelligence in Jezero Crater
Every river and its bed has a flourishing life thriving environment. Search of life in these region will help us to find out if really life existed in Mars. Commonly life could be…
Decrease in magnetosheath jet production due to conditions within Coronal Mass Ejections
Magnetosheath jets are dynamic pressure enhancements observed in the terrestrial magnetosheath. Their generation mechanisms are currently debated but can be linked to foreshock pr…
Communicating projection uncertainty and ambiguity in sea-level assessment
Projections of future sea-level change are characterized by both quantifiable uncertainty and by ambiguity. Both types of uncertainty are relevant to users of sea-level projection…
Assessing E-CHAIM ionospheric model with the SuperDARN radars
The Empirical-Canadian High Arctic Ionospheric Model (E-CHAIM) has been shown to reasonably reproduce important general features of the electron density distribution in the high-l…
New estimate of organic carbon export from optical measurements reveals the role of particle size distribution and expo…
Export of sinking particles from the surface ocean is critical for carbon sequestration and to provide energy to the deep biosphere. The magnitude and spatial patterns of this exp…
Non-optical Water Quality Retrieval from Zhuhai-1 OHS Hyperspectral Images in Taipu River
Hyperspectral remote sensing is thought to be a useful technology for assessing the condition of inland waters. However, non-optically active water quality parameters are rarely e…
Moisture Origin and Transport for Extreme Precipitation over Indonesia's New Capital City, Nusantara in August 2021
Nusantara, the Indonesia’s New Capital City, experienced a rare extreme rainfall event on 27 to 28 August 2021. This unusual heavy rainfall occurred during the dry season and caus…
Water mass analysis of the 2018 US GEOTRACES Pacific Meridional Transect (GP15)
A water mass analysis is a tool for interpreting the effect of ocean mixing on the distributions of trace elements and isotopes (TEI’s) along an oceanographic transect. The GEOTRA…
Vulnerability to Water Shortage Under Current and Future Water Supply-Demand Conditions Across U.S. River Basins
Climate change, population growth, urbanization, and interactions thereof may alter the water supply-demand balance and lead to shifts in water shortage characteristics at differe…
Using the stochastic-threshold incision model to understand the tectonic expression on fluvial topography: theory and a…
The non-linear reliance of channel steepness on erosion rates can be reconciled by the stochastic-threshold incision model that incorporates river incision threshold and discharge…
Enhanced upwelling of Antarctic Bottom Water by topographic interaction of water mass interfaces
The lower cell of the meridional overturning circulation (MOC) is sourced by dense Antarctic Bottom Water (AABW), which forms and sinks around Antarctica and subsequently fills th…
Commentary: Spectrum Misreading - Most of the Lunar Water Detected by M3 Might Actually Be Lunar Methanol
We have to face an important and urgent problem: even though according to spectral detection, we cannot conclude that there is much water ice on the Moon as the prevailing theory …
Comment on “Probability Distributions of Radiocarbon in Open Linear Compartmental Systems at Steady-State” by I. Chanca…
Chanca et al. (2022) construct radiocarbon (14C) distributions for compartmental ecosystem models and compare them to the variability of measured 14C data for soil respiration. Ho…
Modeling gas flow velocities in soils induced by variations in surface pressure, heat and moisture dynamics
Changes in atmospheric pressure continuously ventilate soils and snowpacks. This physical process, known as pressure pumping, is a major factor in the exchange fluxes of H2O, CO2 …
Modeling deep control pulsing flux of native H2 throughout tectonic fault-valve systems
Pulsing seepages of native hydrogen (H2) have been observed at the surface on several emitting structures. It is still unclear whether this H2 pulsed flux is controlled by deep mig…
Regionally variable contribution of dissolved organic phosphorus to marine annual net community production
Marine dissolved organic phosphorus (DOP) can serve as an organic nutrient to marine autotrophs, helping to sustain a portion of annual net community production (ANCP). Numerical …
Solar Energy and Data Science: a prediction study for Manaus and the Amazon Basin
The renewable energies have confirmed their potential to reshape the energy matrix of several countries, in the last two decades, reinforcing the set of actions to better protect …
A Study of Spatio-Temporal Lightning Patterns Using Self-Organizing Maps
Brazil is one of countries highest incidence of lightning in the world and the characterization of thus event can help in the development of public polices and decision-making by …
Thermal structure of Mars’ middle and upper atmosphere: Understanding the impacts of dynamics and solar forcing
We report six years of observations of dayside temperatures of the middle and upper atmosphere of Mars made by the Imaging Ultraviolet Spectrograph instrument aboard the MAVEN spa…
Using Dark Fiber and Distributed Acoustic Sensing to Characterize a Geothermal System in the Imperial Valley, Southern …
The Imperial Valley, CA, is a tectonically active transtensional basin located south of the Salton Sea; the area hosts numerous geothermal fields, including significant hidden hyd…
SEWAGE SLUDGE BIOCHAR ENHANCES SOIL HEALTH AND CROP PRODUCTIVITY IN STRONGLY ACIDIC SOIL
Amending soils with sewage sludge biochar is a promising waste management strategy and value-added approach to reuse the waste while minimizing environmental contamination risks. …
Combining Multi-Wavelength AERONET SSA Retrievals with a MIE Model to Quantify the Size of Absorbing Aerosols and the I…
Energy, transport, urbanization and burning are responsible for changes in atmospheric BC. This work uses direct solar atmospheric column measurements of single scatter albedo [SS…
Narrow width Farley-Buneman spectra under strong electric field conditions
As a rule, the phase velocity of unstable Farley-Buneman waves is found not to exceed the ion-acoustic speed, cs. However, there are known exceptions: under strong electric field …
Susceptibility of microseismic triggering to small sinusoidal stress perturbations at the laboratory scale
Small transient stress perturbations are prone to trigger (micro)seismicity. In the Earth’s crust, these stress perturbations can be caused by various sources such as the passage …
Data-driven gap filling and spatio-temporal filtering of the GRACE/GRACE-FO records
Gravity Recovery And Climate Experiment (GRACE) and GRACE-Follow On (GRACE-FO) global monthly measurements of Earth’s gravity field have led to significant advances in the quantif…
A robust estimate of continental-scale terrestrial carbon sinks using GOSAT XCO2 retrievals
Satellite XCO 2 retrievals could improve the estimates of surface carbon fluxes, but it remains unknow on what scales these estimates are robust. Here, we use the time-dependent B…
Insight into historical and future spring snow cover from satellite observation and model simulations over the Northern…
Assessment of spring snow cover fraction (SCF) can be valuable for understanding the efficacy of certain Earth system models (ESMs) in simulating the energy exchange between land …
Spatial heterogeneity of aerosol effect on liquid cloud microphysical properties in the warm season over Tibetan Plateau
The effect of aerosol on liquid cloud microphysical properties over the Tibetan Plateau during the warm season is investigated by employing aerosol index and cloud property parame…
Antarctic ice-sheet meltwater reduces transient warming and climate sensitivity through the sea-surface temperature pat…
Coupled global climate models (GCMs) generally fail to reproduce the observed sea-surface temperature (SST) trend pattern since the 1980s. The model-observation discrepancies may …
Seasonal photoacclimation in the North Pacific Transition Zone
The Transition Zone Chlorophyll Front (TZCF) is a dynamic region of elevated chlorophyll concentrations in the Northeast Pacific that migrates from a southern winter (February) ex…
Mineral prospectivity mapping of tungsten polymetallic deposits using machine learning algorithms and comparison of the…
The current study aimed at assessing the capabilities of five machine learning models in term of mapping tungsten polymetallic prospectivity in the Gannan region of China. The fiv…
Linking drought indices in the Atlantic sector of the High Arctic (Svalbard) to atmospheric circulation
Based on the long-term climatological data from Ny Alesund, Svalbard Airport – Longyearbyen and Hornsund Polish Polar Station, we undertook an analysis of drought indices on West …
Characterizing the Transition to Irrecoverable Deformation in the Subsurface with an InSAR Multi-Sensor Time Series Ana…
Tracking the onset of inelastic (permanent) deformation is critical to quantifying the stress experienced by an aquifer system so that the effects of current groundwater extractio…
Generalized Rayleigh-Taylor Instability: Ion Inertia, Acceleration Forces, and E Region Drivers
A linear theory of the generalized Rayleigh-Taylor instability (GRTI) is derived which includes ion inertia and acceleration forces, as well as E region drivers: the zonal neutral…
Identification and Removal of Reaction Wheel Interference from In-Situ Magnetic Field Data using Multichannel Singular …
In-situ magnetic field measurements are critical to our understanding of a variety of space physics phenomena including field-aligned currents and plasma waves. Unfortunately, hig…
Stormflow response and ‘effective’ hydraulic conductivity of a degraded tropical Imperata grassland catchment as evalua…
Predicting catchment stormflow responses after tropical deforestation remains difficult. We used five-minute rainfall and storm runoff data for 30 events to calibrate the Green–Am…
Electricity and Magnetism
In the text “Electricity and Magnetism”, I propose a hypothesis about the whole mechanism for electricity and magnetism and their interactions, including the discussions about fol…
Geological carbon cycle constraints on the terrestrial hydrological response to higher atmospheric CO 2
How runoff will change as atmospheric CO 2 rises depends upon several difficult to project factors, including CO 2 fertilization, lengthened growing seasons, and vegetation greeni…
Variation of the Air Mass Exposure to Chlorophyll Over Eastern China Seas: an Insight into Marine Biogenic Aerosols
Marine biological activities make substantial influences on aerosol composition and properties. The eastern China seas are highly productive with significant emissions of biogenic…
A subjective Bayesian framework for synthesizing deep uncertainties in climate risk management
Projections of nonstationary climate risks can vary considerably from one source to another, posing considerable communication and decision-analytical challenges. One such challen…
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