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Showing 4201 to 4250 of 19148 works

Tipping Points in the Climate System: Automatic Detection of Abrupt Transitions in Paleoclimate Records

Bifurcations and tipping points (TPs) are an important part of the Earth system’s behavior. These critical points represent thresholds at which small changes in the system’s param…

Ocean Surface Flux Algorithm Effects on Tropical Indo-Pacific Intraseasonal Precipitation

Surface latent heat fluxes help maintain tropical intraseasonal precipitation. We develop a latent heat flux diagnostic that depicts how latent heat fluxes vary with the near-surf…

Using asymmetric band analysis to interpret the electronic spectroscopy of the Olivine family

This paper discusses the mathematical aspects of band fitting and introduces the mathematics of the Asymmetric Gaussian shape and its tangent space for the first time. First, we d…

Spatial Heterogeneity of Uplift Pattern in the Western European Alps Revealed by InSAR Time-Series Analysis

The Western European Alps display measurable surface deformation rates from levelling and GNSS data. Based on the time-series analysis of 4 years of Sentinel-1 data, we propose fo…

Dynamics of the Global Energy Budget: the Time Dependence of the Climate Feedback Parameter and Climate Sensitivity.

The most simple representation of the dynamics of the global energy budget is the 0-dimensional energy balance model (EBM) introduced by Budyko (1965). Budyko’s EBM assumes a line…

A Variational Approach to Small-Scale Parameterization for Nonlinear and Stochastic Dynamical Systems

The modeling of physical phenomena oftentimes leads to partial differential equations (PDEs) that are usually nonlinear and can also be subject to various uncertainties. Solutions…

Partially Open Fields and the Energy of Solar Eruptions

It has long been recognized that the energy source for major solar flares and coronal mass ejections (CMEs) is the solar magnetic field within active regions. Specifically, it is …

Long-term dynamics of riparian and in-channel vegetation cover on the Beas and Sutlej Rivers, India.

Vegetation is a natural component of river systems and plays important hydrological, ecological and geomorphic roles. However, vegetation cover and dynamics are controlled by nume…

Monitoring of large-scale CO2 injection using CSEM, gravimetric, and seismic AVO data

A sequential inversion methodology for combining geophysical data types of different resolutions is developed and applied to monitoring of large-scale CO2 injection. The methodolo…

Formation of olivine veins by reactive fluid flow in a dehydrating serpentinite

Many exposed high-pressure meta-serpentinites comprise a channelized network of olivine-rich veins which formed during dehydration at depth and served as pathway for fluid escape.…

INVESTIGATION OF MAGNETIC FIELDS ASSOCIATED WITH VARIOUS LUNAR SWIRLS OBSERVED IN THE FAR-ULTRAVIOLET

To explore a possible relationship between low FUV albedo swirl signatures and magnetic anomalies on the Moon, we are examining the modeled at-surface total field and vector compo…

The predictive skill of neural network models for the large-scale dynamics of the multi-level Lorenz '96 systems

The predictive skill of a neural network model for the prediction of the highly nonlinear Lorenz ’96 dynamics is examined and a way to improve the skill is investigated. We train …

Seasonal and solar cycle dependence of energy transfer rates in the Auroral E-region

We report one of the first comprehensive ground-based investigations of energy transfer rates in the E-region ionosphere compared relative to geomagnetic activity, seasonal effect…

Climate change and drought amplify the potential for uncontrollable fires in Nepal

In 2021, Nepal underwent its most severe fire season, resulting in a fire rate 10 times greater than the historical average in many areas of the country with record-high air pollu…

A Process-based Stream Network Model for Predicting CO 2 Concentrations and Fluxes

Inland waters are recognized as a significant source of CO 2 to the atmosphere; however, the global magnitude of this flux remains uncertain. In particular, CO 2 concentrations an…

Optimizing nature-based solutions by combining social equity, hydro-environmental efficiency, and economic costs throug…

A robust multi-functional decision support system for widespread planning of nature-based solutions (NBSs) must incorporate components of social equity. NBS systems advance social…

The Impact of Seasonal Phenology on Photosynthetic Water Use Efficiency: an Evaluation of Patterns and Drivers in Tempe…

Vegetation acts as a critical link between the geosphere, biosphere, and atmosphere, regulating the flux of water to the atmosphere via transpiration (E) and the input of carbon f…

Flood Forecasting in a data-scarce region based on GRACE and SMAP data

Bangladesh is an extremely flood-prone country due to its geographical location at the downstream end of the Ganges, Brahmaputra and Meghna (GBM) river basin. Flood destroys agric…

Across-Scale Geomechanical Evaluation of Rain Intensity, Slope and Sand Type on Post-Wildfire Mudflow Composition and O…

Post-wildfire mudflows have intensified in recent years due to extreme wildfire occurrence, causing significant damage and infrastructure threats. However, despite recent advancem…

Cluster observations of energetic electron acceleration within earthward reconnection jet and associated magnetic flux …

We study acceleration of energetic electrons in an earthward plasma jet due to magnetic reconnection in the Earth magnetotail for one case observed by Cluster. The case has been s…

Oceanic mesoscale eddy depletion catalyzed by internal waves

The processes leading to the depletion of oceanic mesoscale kinetic energy (KE) and the energization of near-inertial internal waves are investigated using a suite of realisticall…

Seasonal bias in global observations of ocean color

In this study we identify a global seasonal bias in ocean color remote sensing reflectances (R rs , λ) using data from the CALIOP (Cloud-Aerosol Lidar with Orthogonal Polarization…

Evaluation of the Vertical Accuracy of Open Access Digital Elevation Models across Different Physiographic Regions and …

The vertical accuracy of eight different freely accessible DEMs has been evaluated across different physiographic divisions and the river basins of Nepal. Results revealed that ME…

A simple method to simulate thermo-hydro-mechanical processes in leakoff-dominated hydraulic fracturing with applicatio…

A potential risk of injecting CO2 into storage reservoirs with marginal permeability (≲ 10-14 m2) is that commercial injection rates could induce fracturing of the reservoir and/o…

Seasonal variation of the Rayleigh component in the microseismic wavefield from ellipticity measurements

We measure ellipticity of Rayleigh waves from polarization analysis (DOP-E) of oceanic microseismic noise at 23 broad-band seismic stations around the globe. We observe an unexpec…

The Release of Inertial Instability near an Idealized Zonal Jet

Inertial instability is a hydrodynamic instability that occurs in strong anticyclonic flow and is typically diagnosed by negative absolute vorticity in the Northern Hemisphere. As…

Buried Aseismic Slip and Off-Fault Deformation on the Southernmost San Andreas Fault triggered by the 2010 El Mayor Cuc…

We use UAVSAR interferograms to characterize fault slip, triggered by the Mw 7.2 El Mayor-Cucapah earthquake on the southernmost San Andreas Fault in the Coachella Valley providin…

Possibility to link the seismic process of a megathrust earthquake with a cellular automaton

This paper paves the way for a direct comparison of the process of megathrust earthquakes with cellular automaton (CA) and for modeling the catastrophic singularity of seismic eve…

Tidal modulation of ice streams: Effect of periodic sliding velocity on ice friction and healing

Basal slip along glaciers and ice streams can be significantly modified by external time-dependent forcing, although it is not clear why some systems are more sensitive to tidal s…

Automatic root hair measurement to quantify abiotic stresses in microscopy images

Improving nutrient and water uptake in crops is one of the major challenges to sustain a fast-growing population that faces increasingly nutrient limited soils. Root hairs, which …

A New Probabilistic Wave Breaking Model for Dominant Wind-sea Waves Based on the Gaussian Field Theory

This paper presents a novel method for obtaining the probability wave of breaking Pb of deep water, dominant wind-sea waves (that is, waves made of the energy within +-30% of the …

Observed Evidence of Springtime Cloud Influence on Regional Climate and its Implication in Runoff Decline in Upper Colo…

The sub-seasonal features of the annual trends of runoff and other associated hydroclimatic variables in the upper Colorado River basin (UCRB) are examined using multiple datasets…

Integrated Assessment of Urban Overheating Impacts on Human Life

Urban overheating, driven by global climate change and urban development, is a major contemporary challenge which substantially impacts urban livability and sustainability. Overhe…

Using Community Science to Better Understand Lead Exposure Risks

Lead (Pb) is a neurotoxicant that particularly harms young children. Urban environments are often plagued with elevated Pb in soils and dusts, posing a health exposure risk from i…

Volcanic Climate Warming through Radiative and Dynamical Feedbacks of SO2 Emissions

Volcanic flood basalt eruptions have been linked to or are contemporaneous with major climate disruptions, ocean anoxic events, and mass extinctions throughout at least the last 4…

Study on detoxification and removal mechanisms of hexavalent chromiumby microorganisms

Extensive industrial activities have led to an increase of the content of chromium in the environment, which causes serious pollution to the surrounding water, soil and atmosphere…

A frictional-viscous-mixing fault model and its implications for a single slow slip event rupture

Recent geological observations imply that slow slip events (SSEs) occur in fault zones with a finite thickness of ~100s of meters. The bulk matrix of the fault zone deforms viscou…

A reverse phenotyping approach identifies physiological differences associated with yield under water stress in leading…

Sanbon Chaka Gosa1, Bogale Abebe Gebeyo12, Ravitejas Patil1, Ramón Mencia1, Dani Zamir1, Menachem Moshelion1# 1 The R.H. Smith Institute of Plant Sciences and Genetics in Agricult…

Watershed Controls and Tropical Cyclone-Induced Changes in River Hydraulic Geometry in Puerto Rico

At-a-station hydraulic geometry (AHG), which describes how channel width, depth, and velocity vary with discharge at a river cross section, has long been used to study fluvial pro…

Intraseasonal variability of sea level in the Western North Pacific

Sea levels in the Western North Pacific (WNP) are presented with anomalous intraseasonal variations. This study examines the response of sea level in the WNP to the atmospheric In…

Mature diffuse tectonic block boundary revealed by the 2020 southwestern Puerto Rico seismic sequence

Distributed faulting typically tends to coalesce into one or a few faults with repeated deformation. The 2020 seismic sequence in southwestern Puerto Rico (SWPR) was characterized…

Climate-driven channel change of Orkhon River, Mongolia

Rivers in the Mongolian Plateau play essential roles in surface water resources in Eurasia. Orkhon River is a major tributary of Selenge River, which is a headwater of Lake Baikal…

Detection and Quantification of Tar Spot Foliar Infection in Maize Using Machine Learning, Object Detection, and Applic…

The expanding geographic range of Phyllachora maydis, the fungus that induces Tar Spot infection on corn foliage, is increasingly threatening a Michigan industry that contributes …

Tropical Belt Width Proportionately More Sensitive to Aerosols Than Greenhouse Gases

The tropical belt has widened during the last several decades, and both internal variability and anthropogenic forcings have contributed. Although greenhouse gases and stratospher…

Morphodynamic styles: a novel index of gravel-bed river behaviour

The interaction between form and process within a river produces the variety of morphodynamics we observe in channels. This poster presents a method using a simple index of channe…

Comparison of open-source image-based reconstruction pipelines for 3D maize root phenotyping

Understanding root traits is essential to improve water uptake, increase nitrogen capture and raise carbon sequestration from the atmosphere. However, high-throughput phenotyping …

DeepMaizeCounter: Smarter Stand Counts for Seedling Maize from Mosaic Imagery with YOLOv4

Knowing how many plants have germinated in a farmer’s or researcher’s field is central to crop management and research. Plants are commonly counted by walking the field and counti…

Energetic Requirements for Dynamos in the Metallic Cores of Super-Earth and Super-Venus Exoplanets

Super-Earth and super-Venus exoplanets may have similar bulk compositions, but their surface conditions and mantle dynamics are vastly different. Vigorous convection within their …

Slow particle remineralization, rather than suppressed disaggregation, drives efficient flux transfer through the Easte…

Models and observations suggest that particle flux attenuation is lower across the mesopelagic zone of anoxic environments compared to oxic environments. Flux attenuation is contr…

Storage in south-eastern Australian catchments

Storage and subsequent release of water is a key function of catchments that moderates the impact of meteorological and climate extremes. Despite the fact that many key hydrologic…

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