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Showing 3551 to 3600 of 22070 works
Organic carbon burial with reactive iron across global environments
Preservation of organic carbon (OC) in marine and terrestrial deposits is enhanced by bonding with reactive iron (FeR) phases. The association of OC with FeR (OC-FeR) provides phy…
Two-Dimensional Horizontal Correlation Functions in the MLT Region Estimated Using Multistatic Specular Meteor Radar Ob…
The study of the mesosphere and lower thermosphere (MLT) dynamics presents great challenges. One of them is trying to find a dominant theory that explains mesoscales variations. R…
Subduction Zone Interface Structure within the Southern MW9.2 1964 Great Alaska Earthquake Asperity: Constraints from R…
We conduct a high-resolution teleseismic receiver function investigation of the subducting plate interface within the Alaskan forearc beneath Kodiak Island using data collected as…
Multi-spatial scale hybrid rainfall-runoff modelling - A case study of Godavari river basin
Transformation of rainfall to runoff is a complex hydrological phenomenon involving various interconnected processes. Besides, the distribution of rainfall and basin characteristi…
A Python-based Radar Data Processing System for the NASA GPM Ground Validation Program
The science community’s progression toward Python as a primary programing language, facilitated NASA’s Global Precipitation Measurement (GPM) Ground Validation (GV) Program to dev…
Comparing Jupiter's equatorial X-ray emissions with solar X-ray flux over 19 years of the Chandra mission
We present a statistical study of Jupiter’s disk X-ray emissions using 19 years of Chandra X-Ray Observatory (CXO) observations. Previous work has suggested that these emissions a…
Microseismic monitoring of laboratory hydraulic fracturing experiments in granitic rocks for different fracture propaga…
While hydraulic fracturing (HF) is a widely employed process, the underlying fracturing processes are not clearly understood. Laboratory HF experiments with seismic monitoring can…
Quantifying the Effect of Climate Change on Midlatitude Subseasonal Prediction Skill Provided by the Tropics
Subseasonal timescales (~2 weeks - 2 months) are known for their lack of predictability, however, specific Earth system states known to have a strong influence on these timescales…
The Anhydrous Regolith of the Moon
The hypothesis that significant deposits of water ice exist in cold traps near lunar poles includes a supposition that acquired water is concentrated in the traps by exospheric la…
Aerosol characterization of the stratospheric plume from the volcanic eruption at Hunga Tonga January 15th 2022
Following the Hunga Tonga eruption (20.6°S, 175.4°W, mid-January 2022), we present a balloon-borne characterization of the stratospheric aerosol plume one week after its injection…
Lower urban humidity moderates heat stress
Radiative skin temperature is often used to examine heat exposure in multi-city studies and for informing urban heat management efforts since urban air temperature is rarely measu…
Reef flat flow dynamics for a nearly closed fringing reef-lagoon: Ofu, American Samoa
We discuss observations of tidally varying wave-forced flows in the reef system on Ofu, American Samoa, a barrier reef and lagoon system that appears open at low tide and closed a…
Atmospherically Driven Seasonal and Interannual Variability in the Lagrangian Transport Time Scales of a Multiple-inlet…
Intense short-term wind events can flush multiple-inlet systems and even renew the water entirely. Nonetheless, little is known about the effect of wind variations at seasonal and…
Prolific nitrite re-oxidation across the Eastern Tropical North Pacific Ocean
Marine Oxygen Deficient Zones serve as hotspots for the loss of fixed nitrogen for the world’s oceans, and fixed nitrogen limits primary productivity in large expanses of the ocea…
Evaluating China’s role in achieving the 1.5°C target of the Paris Agreement
Now that many countries have set goals for reaching net zero emissions in mid-century, it is important to clarify the role of each country in achieving the 1.5°C target of the Par…
Discrimination of Icequakes and Earthquakes in Southeast Alaska using Random Forest and Principal Component Analysis
Seismic event classification can be challenging in the regions where different types of seismicity overlap in space, time, and magnitude. In this paper, I evaluate the performance…
Anticyclones drive Beaufort breakout events
In winter 2013, a sea ice breakout in the Beaufort Sea produced extensive fracturing and contributed to record regional ice export. Rheinlænder et al. (2022) simulated this event …
Automatic regionalization of model parameters for hydrological models
Parameter estimation is one of the most challenging tasks in large-scale distributed modeling, because of the high dimensionality of the parameter space. Relating model parameters…
Spatiotemporal controls on the delivery of dissolved organic matter to streams following a wildfire
Warmer and drier climate has contributed to increased occurrence of large, high severity wildfires in the Pacific Northwest, drawing concerns for water quality and ecosystem recov…
Permeability and groundwater flow dynamics in deep-reaching orogenic faults estimated from regional-scale hydraulic sim…
Numerical modelling is used to understand the regional scale flow dynamics of the fault-hosted orogenic geothermal system at the Grimsel Mountain Pass in the Swiss Alps. The model…
Galileo/EPD user guide
The Galileo mission was the first to orbit Jupiter and lasted from 1995 to 2003. Its data set is unique even compared to contemporary data from the Juno mission since Galileo had …
Translating an open-ocean biogeochemistry code with cryptic sulfur cycling to Chesapeake Bay requires considering the i…
A number of models have been developed to simulate hypoxia in the Chesapeake Bay, but these models do not agree on what processes must be included. In this study we implemented a …
Problems with the shoreline development index - a widely used metric of lake shape
The shoreline development index – the ratio of a lake’s shore length to the circumference of a circle with the lake’s area – is a core metric of lake morphometry used in Earth and…
Sea-ice forecasts with an upgraded AWI Coupled Prediction System
A new version of the AWI Coupled Prediction System is developed based on the Alfred Wegener Institute Climate Model v3.0. Both the ocean and the atmosphere models are upgraded or …
Characterizing the cover across South Australia: A simple passive-seismic method for estimating sedimentary thickness
A blanket of sedimentary and regolith material covers approximately three-quarters of the Australian continent, obscuring the crustal geology below and potential mineral resources…
Monitoring shifting cultivation in Laos by combining time series analysis and object-based analysis
Shifting cultivation is an important driver of forest disturbance in the tropics. However, studies of shifting cultivation are limited and current area estimates of shifting culti…
Future Crop Risk Estimation Due to Drought, Extreme Temperature, Hail, Lightning, and Tornado at the Census Tract Level…
Louisiana is one of the most hazard-prone states in the U.S., and many of its people are engaged directly or indirectly in agricultural activities that are impacted by an array of…
Earth and Planetary Surface Processes Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science
This article provides a commentary about the state of integrated, coordinated, open, and networked (ICON) principles in Earth and Planetary Science Processes (EPSP) and discussion…
Satellites capture soil moisture dynamics deeper than a few centimeters and are relevant to plant water uptake
A common viewpoint across the Earth science community is that global soil moisture estimates from satellite L-band (1.4 GHz) measurements represent moisture only in the shallow so…
Modification of North Atlantic Deep Water by Pacific/Upper Circumpolar Deep Water in the Argentine Basin
Much of the salty, high oxygen North Atlantic Deep Water (NADW) leaving the Atlantic flows through the Argentine Basin, where it is diluted by fresher, low oxygen Circumpolar Deep…
Statistical study of favorable foreshock ion properties for the formation of hot flow anomalies and foreshock bubbles
Hot flow anomalies (HFAs) and foreshock bubbles (FBs) are frequently observed in Earth’s foreshock, which can significantly disturb the bow shock and therefore the magnetosphere-i…
Intense Equatorial Electrojet and Counter Electrojet caused by the 15 January 2022 Tonga Volcanic Eruption: Space and G…
We present space and ground-based multi-instrument observations demonstrating the impact of the 2022 Tonga volcanic eruption on dayside equatorial electrodynamics. A strong counte…
Global Anthropogenic Heat as Source of Ices Disappearance; Consequences for the Future of Earth and Humanity
The relation between global warming and the role of anthropogenic carbon dioxide (CO2) is confusing. Ocean level and atmospheric temperature rises are predicted dramatic in distan…
Anoxia decreases the magnitude of the carbon, nitrogen, and phosphorus sink in freshwaters
Oxygen availability is decreasing in many lakes and reservoirs worldwide, raising the urgency for understanding how anoxia (low oxygen) affects coupled biogeochemical cycling, whi…
The effect of plasma sheet ion composition on the production and evolution of cold H+ population from the hydrogen geoc…
Both in situ measurements and numerical simulations show that the charge exchange collisions between energetic ring current ions (>10keV) and cold ambient neutral atoms of the upp…
Ice Shell Structure and Composition of Ocean Worlds: Insights from Accreted Ice on Earth
Accreted ice retains and preserves traces of the ocean from which it formed. In this work we study two classes of accreted ice found on Earth—frazil ice, which forms through cryst…
Seismic anisotropy along the Haida Gwaii margin from receiver function analysis
Coastal British Columbia, Canada, has the highest seismic hazard in the country due to convergent and transpressive deformation at offshore plate boundaries between the Pacific, J…
The Terrestrial Magnetospheric Response to the 28th October 2021 CME
On October 28th 2021 the Sun released a large Coronal Mass Ejection (CME) in Earth’s direction. An X1.0 class solar flare and a rare ground level enhancement (GLE) were observed, …
How Air Entrapment in Hydrophobic Particle-water-air Mixtures Changes Post-wildfire Mudflow Composition
Post-wildifre mudflows are devastating to watershed environment, life, and infrastructure. Burned scars tend to form catastrophic mudflows when rained upon shortly after fires, fl…
Experimental multiblast craters and ejecta - seismo-acoustics, jet characteristics, craters, and ejecta deposits and im…
Blasting experiments were performed that investigate multiple explosions that occur in quick succession in the ground and their effects on host material and atmosphere. Such proce…
On the Migrating Speed of Free Alternate Bars
• The spatial distribution of the migrating speed of the free alternate bars that occur in rivers was determined. • The spatial distribution of the migrating speed M of bars was d…
Viscous dissipation in the fluid core of the Moon
The spin axes of the mantle, fluid core and solid inner core of the Moon precess at frequency $\Omega_p=2\pi/18.6$ yr$^{-1}$ though with different orientations, leading to viscous…
Using an ensemble of FAIR assessment approaches to inform the design of future FAIRness testing: a case study evaluatin…
From a research data repositories’ perspective, offering data management services in-line with the FAIR principles is becoming more and more of a selling point to compete on the m…
Identifying Roads to Be Inundated due to Relative Sea Level Rise (RSLR): A Case Study in Annapolis Maryland
Over the last century, relative sea level has risen by more than 1 ft in Annapolis, Maryland. The rise in sea level has resulted in frequent flooding in the City of Annapolis. Acc…
Investigating drivers of particulate matter pollution over India and the implications for radiative forcing with GEOS-C…
Ambient fine particulate matter (PM2.5) concentrations in India frequently exceed 100 μg/m3 during fall and winter pollution episodes. We use the GEOS-Chem chemical transport mode…
Efficient Nonthermal Ion and Electron Acceleration in 3D Magnetic Reconnection
Solar flare and magnetotail observations show simultaneous acceleration of ions and electrons into power-law energy distributions extending to high energy. This suggests a common …
Improving Imaging Spectrometer Methane Plume Detection with Large Eddy Simulations
Methane’s high heat trapping potential has made it a priority for quantification and mitigation efforts worldwide. Ground-based surveys and in-situ measurement techniques to quant…
Droughts, Pluvials, and Wet Season Timing across the Chao Phraya River Basin: a 254-Year Monthly Reconstruction from Tr…
Water system operations require subannual streamflow data—e.g., monthly or weekly—that are not readily achievable with conventional streamflow reconstructions from annual tree rin…
Dynamics of forest carbon stocks, fires, and harvest under changing climatic conditions in the U.S. during the 20th cen…
Wildfires and land use play a central role in the long-term carbon (C) dynamics of forested ecosystems of the United States. Important processes include fire suppression during th…
Assessing community-level flood risk at the micro-scale by owner/occupant type and first-floor height
Evaluating flood risk is an essential component of understanding and increasing community resilience. A robust approach for quantifying flood risk in terms of average annual loss …
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