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Showing 6801 to 6850 of 59105 works
Horizontal Velocities in a Global Reference Frame Derived from Sentinel-1 Along-track Interferometry
InSAR measurements of ground displacement are relative, due to unknown integer ambiguities introduced during propagation of the signal through the atmosphere. However, these ambig…
Potential Benefits of Biochar and Mycorrhizal Fungi on Shortleaf Pine (Pinus echinata) Restoration in Northcentral Alab…
Coal strip mining has left degraded soils throughout the southeastern United States. These soils tend to have low pH, high bulk density, impacted hydraulic processes, and an accum…
The Rate of Information Transfer as a Measure of Rapid Changes in Arctic Sea Ice
Arctic sea ice has substantially changed over the past four decades, with a large decrease in sea-ice area and volume. The exact causes of these changes are not entirely known. In…
Spatio-Temporal Variations of Thermodynamic Indices during Pre-Monsoon Season Thunderstorms over Eastern India
Thunderstorms are very violent and short-lived weather phenomena associated with thunder, rain, heavy wind, lightning and dense clouds. These storms are persistent and intense dur…
Differences between deltas on Earth and Mars
Deltas are important landforms on Mars because they indicate past fluvial activity, contain a sedimentary record amenable to study, and have the potential to store past signs of l…
Getting a holistic view: Documenting change in undergraduate science teaching
There is a lot going on in introductory undergraduate science classrooms. Students bring their culture, background, and previous science experiences; instructors bring their knowl…
Risk-Rating GHG Emissions Offsets based on Climate Requirements
To stabilize global warming within the 1.5-2.0°C Paris Agreement goal, greenhouse gas (GHG) emissions need to reach net-zero. Offsetting is required for net-zero emissions (emissi…
Spontaneously exsolved free gas during major storms as a driver for pockmark formation
Abrupt fluid emissions from shallow marine sediments pose a threat to seafloor installations like wind farms and offshore cables. Quantifying such fluid emissions and linking pock…
Data-Driven Workflow for the Preemptive Detection of Excess Water Producing Wells Drilled in Unconventional Shales
The continuous rise in global energy demand requires the production of oil and gas from unconventional shale resources. One major concern has been the large volumes of produced wa…
Building tangent-linear and adjoint models for data assimilation with neural networks
We assess the ability of neural network emulators of physical parametrization schemes in numerical weather prediction models to aid in the construction of linearised models requir…
Title: The NASA AfriSAR Campaign: Airborne SAR and Lidar Measurements of Tropical Forest Structure and Biomass in Suppo…
In 2015 and 2016, the AfriSAR campaign was carried out as a collaborative effort among international space and National Park agencies (ESA, NASA, ONERA, DLR, ANPN and AGEOS) in su…
Antarctic Circumpolar Current impacts on internal wave life cycles
Major gaps exist in our understanding of the pathways between internal wave generation and breaking in the Southern Ocean, with important implications for the distribution of inte…
Testing the skill of a species distribution model using a 21st Century virtual ecosystem
Plankton play an important role in marine food webs, in biogeochemical cycling, and in Earth’s climate; yet observations are sparse, and predictions of how they might respond to c…
Energy spectra of TGE electrons and gamma rays reveal the charge structure of thunderclouds
In this letter, we present for the first time simultaneously measured electron and gamma ray spectra of TGE. We also demonstrate how the measurement of the energy spectra of TGE p…
Synoptic weather regimes over Aoteaora New Zealand
This work provides an updated set of 12 dominant geopotential height fields - or ‘regimes’ - over Aotearoa New Zealand. These regimes were initially produced by Kidson (2000) and …
Inferring the Shallow Layered Structure at the Chang’E-4 Landing Site: A Novel Interpretation Approach Using Lunar Pene…
The current paper investigates the shallow layers of the lunar regolith at the Chang'E-4 landing site. Four layers between 0-10 meters were identified using lunar penetrating rada…
Characterization of Transient-Large-Amplitude Geomagnetic Perturbation Events
We present a characterization of transient-large-amplitude (TLA) geomagnetic disturbances that occurred at six stations of the Magnetometer Array for Cusp and Cleft Studies throug…
The ICON Earth System Model Version 1.0
This work documents the ICON-Earth System Model (ICON-ESM V1.0), the first coupled model based on the ICON (ICOsahedral Non-hydrostatic) framework with its unstructured, isosahedr…
High-latitude electrodynamics specified in SAMI3 using AMPERE field-aligned currents
A new technique has been developed in which the high-latitude electric potential is determined from field-aligned current observations from the Active Magnetosphere and Planetary …
Calcium Isotopic Compositions of Neogene Dolomites in the South China Sea and Its Implications for Paleoclimate Changes
Marine carbonates, including shallow-water carbonates and pelagic carbonates, precipitating from seawater and representing the largest sink of calcium (Ca) and carbon (C) at Earth…
Crustal Structure Beneath the Northern Appalachians and the Eastern Grenville Province
Southeastern Canada and the northeastern USA include terranes that were tectonized since the Archean, making this region an excellent place to investigate the evolution of contine…
On the formation of formic acid from formaldehyde processing in liquid clouds
It was recently proposed (Franco et al., Nature 2021) that methanediol (MD, HOCH2OH ) formed by hydration of formaldehyde in liquid cloud droplets is outgassed to a larger extent …
Coupled Atmosphere-Ocean Reconstruction of the Last Millennium Using Online Data Assimilation
We use online data assimilation to combine information from a linear inverse model of coupled atmosphere-ocean dynamics with proxy records to create a new annual-resolution recons…
Geomagnetism, Paleomagnetism and Electromagnetism Perspectives on Integrated, Coordinated, Open, Networked (ICON) Scien…
This article is composed of three independent commentaries about the state of ICON principles (Goldman et al., 2021) in the Geomagnetism, Paleomagnetism, and Electromagnetism (GPE…
Frequency Modeling for Bolide Hazard
Near-Earth asteroids and meteoroids constitute various levels of impact danger to our planet. On the one end, billions of events associated with small-sized meteoroids have result…
Evaluating the Effects of River Partial Penetration on the Occurrence of Riparian Freshwater Lenses
Previous studies of freshwater lenses in saline aquifers adjoining gaining rivers (“riparian lenses”) have so far considered only rivers that fully penetrate the aquifer, whereas …
Towards Local-Scale Impacts-Based Flood Early Warnings for Samoa: The Vaisigano Pilot Project
The Vaisigano River which flows through the Apia capital of Samoa is in a characteristic short and steep catchment conducive to rapid flash flooding following intense periods of a…
Paleomagnetism of a Sediment Core Taken from the Ontong-Java Plateau: for Better Understanding of the Role of Biogenic …
Marine sediments contain considerable amounts and different types of magnetic mineral particles. Magnetic minerals in sediments may be statistically aligned to the direction of th…
Modulation of the Bifurcation in Radiative-Convective Equilibrium by Gray-Zone Cloud and Turbulence Parameterizations
This study investigates the mechanisms by which small-scale turbulence and cloud physics determine the organization of large-scale convection in radiative-convective equilibrium (…
Revealing the impact of global heating on North Atlantic circulation using transparent machine learning
The North Atlantic ocean is key to climate through its role in heat transport and storage. Climate models suggest that the circulation is weakening but the physical drivers of thi…
Chachimbiro Geothermal area, Northern Ecuador -- A new magnetic exploration.
Geophysical surveys are efficient ways to obtain information on areas that are promising for geothermal energy. One of the geophysical techniques commonly used is the magnetic met…
Automatic error-term separation approach in InSAR time-series analysis and application to Arima-Takatsuki fault zone, w…
InSAR time-series (InSAR-TS) analysis enables us to obtain the displacement time-series by using a number of SAR images repeatedly acquired on the area. Among the factors affectin…
Fire History of Lake Tanganyika (Mahale Coast) Watersheds Reconstructed from Macrocharcoal Records
Lake Tanganyika, located in central East Africa, is the longest and second deepest freshwater lake on Earth. Lake Tanganyika’s diverse ecosystem and watershed are under threat tod…
Forward and inverse models relating river long profile to monotonic step-changes in tectonic rock uplift rate history: …
The long profile of rivers is widely considered as a recorded of tectonic uplift rate. Knickpoints form in response to rate changes and faster rates produce steeper channel segmen…
India is drying out its terrestrial carbon: An inference by multi-model estimation of primary productivities
Terrestrial primary productivity plays a pivotal role as a forcing factor of atmospheric CO2 and drives biospheric carbon dynamics. India is one of the largest GHGs emitters, yet …
Wind Rider Pathfinder Mission to Trappist-1 Solar Gravitational Lens Focal Region in 8 Years
A key benefit to the scientific community of a pathfinder to 542 AU is calibration data for an array of instruments on a flagship probe to interstellar space. There are fundamenta…
Rapid Auroral Wandering During the Laschamps Event
41 thousand years ago, the Laschamps geomagnetic excursion caused Earth’s geomagnetic field to drastically diminish to ~4% of modern values and modified the geomagnetic dipole axi…
Open-Source High-Performance Flux Transport
The main objective of the NASA-NSF SWQU “A New-generation Software to Improve the Accuracy of Space Weather Predictions” effort is to develop a data-driven time-dependent model of…
Statistics of High Latitude Sporadic E Layer Occurrence derived using Incoherent Scatter Radar Observations
Sporadic-E (Es) layers are characterized as thin layers (1-5 km) of enhanced electron density that occur between 90-120 km in altitude. Sporadic E at mid- and low-latitudes has a …
Bayesian calibration of a natural state geothermal reservoir model, Krafla, north Iceland
The Krafla area in north Iceland hosts a high-temperature geothermal system within a volcanic caldera. Temperature measurements from boreholes drilled for power generation reveal …
Constraints on Crustal P-wave Structure with Leaking Mode Dispersion Curves
Classic surface wave imaging relies mainly on the dispersion of Rayleigh waves or Love waves. In addition to these types of waves, waveforms that arrive prior to the S wave also e…
Zooplankton fecal pellets as the primary driver of settling particles in reef systems
Zooplankton fecal pellets are a potentially vital source of nutrients for coral reefs. While zooplankton fecal pellets are recycled relatively quickly in pelagic systems, the shal…
The Quasi-Solid Box Method for Simulating Wind Around Obstacles in the System for Atmospheric Modeling
A novel method to simulate the wind and turbulence around obstacles, such as buildings, has been developed for use in a computer model that was previously used only to study turbu…
Interior heating drives the formation of clouds on exoplanet gas giants
We investigate the formation of water ice, ammonia ice and ammonia hydrosulphide clouds on exoplanet gas giants for various internal heat fluxes using the modified version of the …
Fault geometries of two moderate earthquakes in the interior of Asia Continent revealed by InSAR
Intra-continental dip-slip earthquakes often occur in the orogen and rift zones with complex tectonics, providing rare opportunities to illuminate the deformation and evolution of…
Impacts of socio-economic and climate changes on water, food, bioenergy, land use, and ecosystems
Future socio-economic and climate changes can profoundly impact water resources, food production, bioenergy generation, and land use, leading to a broad range of societal problems…
The Compound Unusual Precipitation-Temperature Events
The compound extremes of hydrometeorological variables might not only affect as an extreme from a single variable, but might also result due to their interaction in time and space…
Is a Distributed Graduate Seminar a Successful Way to Share Information Management Expertise with Students?
In this era of open data and reproducible science, graduate students need to learn where and how to publish their data and to be conversant with the challenges inherent when re-us…
Implementation and Validation of the New Stomatal Resistance, Photosynthesis and Two Big Leaf Algorithms in COSMO-CLM
Climatic changes with warmer temperatures in mid-latitudes require the need to improve the simplified vegetation scheme of the regional climate model COSMO-CLM, which is not capab…
Pandemic Metric with Confidence (PMC) Model to Predict Trustworthy Probability of Utilized COVID-19 Pandemic Trajectory…
Lots of works aim to reveal the driving factors of COVID-19 pandemic trajectory yet ignore the confidence of utilized trajectory data, making consequent results suspicious. Hereby…
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