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Showing 13001 to 13050 of 22070 works
Microphysical Sensitivity of Superparameterized Precipitation Extremes in the Continental US Due to Feedbacks on Large-…
Superparameterized (SP) global climate models have been shown to better simulate—as compared to conventional models—various features of precipitation, including diurnal timing as …
Layer-wise Application of River Habitat Enhancement Features Yields Significant Ecological Functionality and Physical S…
Physical habitat losses for Pacific salmonids in California’s Central Valley motivate stream restoration. Considerable river morphodynamics affect the sustainability of habitat en…
High-performance system for monitoring ground deformation from RCM SAR data
Differential Interferometric Synthetic Aperture Radar (DInSAR) based mapping of surface deformation has proven valuable in a variety of geoscience applications. Conventional appro…
Building Better Collaboration Structures & Norms: An Arctic Perspective on Advancing Environmental Change Research
Team collaboration theories or the role that organizational design plays in promoting long-term research success are often secondary considerations within ambitious community-wide…
Primary Controls on the Natural Denitrification Potential of Aquifers
Elevated nitrate concentrations in groundwater are observed in regions of intensive agriculture worldwide, threatening the safety of drinking-water production. Aquifers may contai…
CH4-emission estimation from different sources using the present GOSAT and the next-generation imaging-spectrometer sui…
The Thermal And Near infrared Sensor for carbon Observation Fourier-Transform Spectrometer (TANSO-FTS) onboard the Greenhouse gases Observing SATellite (GOSAT) was launched in Jan…
Exploring Effects of Cloud Microphysics and Domain Size on Surface Solar Radiation Using a New WRF-Solar Based Evaluati…
Although it has been well recognized that clouds tremendously affect the surface solar irradiance and its direct and diffuse partitions, accurately forecasting solar radiation in …
A mobile sensor package for real-time greenhouse monitoring using open-source hardware
Increased demand for precision agriculture is reflected by a global rise in greenhouse food production. To maximize crop efficiency and yield, commercial greenhouses require live …
The Role of Eddy Mixing Suppression for the Ventilation in the Southern Ocean
Abstract: In climate-ocean models, eddy mixing coefficients are often constant in space and time. However, observations, advances in theory, and high-resolution-eddy-resolving oce…
A Demonstration of the Time-Delay Mechanical Noise Cancellation (TDMC) Technique with Cassini Doppler Data
Radio science experiments for planetary geodesy or tests or relativistic gravity involve precise measurements of the spacecraft range rate enabled by two-way microwave links. Sinc…
Long-term observations of airflow patterns in a man-made coastal trough blowout
Blowouts are characteristic features of many natural coastal foredunes. These dynamic bowl- or trough-shaped depressions act as conduits for aeolian transport of beach sand into t…
Considering Intergroup Emotions to Improve Diversity and Inclusion in the Geosciences
While the geosciences are interdisciplinary in nature, they are not demographically diverse, which challenges the future viability and relevance of the geosciences. Causes and pot…
Spectral entropy as a mean to quantify water stress history for natural vegetation and irrigated agriculture in a water…
Spectral entropy (Hs) is an index which can be used to measure the structural complexity of time series data. When a time series is made up of one periodic function, the Hs value …
The Emergent Impacts of Small Scale Capillary Heterogeneity on Field Scale CO2 Flow and Trapping
We employ a multi scale approach combining experiments and modelling to elucidate the impacts of small scale (sub-seismic resolution <10m) capillary pressure heterogeneities in fi…
Semi-Automatic Feature Extraction to Assess Solar Potential for Rural India
The over-exploitation of non-renewable resources for energy demands is a serious issue. Convergence towards renewable resources such as solar energy is need of the day. Solar ener…
Radio Remote Sensing of Coronal Mass Ejections: Implications for Parker Solar Probe and Solar Orbiter
Coronal mass ejections (CMEs) are fast-moving magnetic field structures of enhanced plasma density that play an important role in space weather. The Solar Orbiter and Parker Solar…
Council on Undergraduate Research Partnerships in the Geosciences
The Council on Undergraduate Research (CUR) is engaged in several formal and informal partnerships within the Geosciences community, and is vital for all faculty, staff, and stude…
Modeling interactions between plate-boundary forces and evolving resistance at mid-ocean ridges as the origin of non-un…
Evidence for asymmetric plate growth, variable crustal thickness, and non-uniform spreading rates is ubiquitous on the seafloor. However, conventional numerical modeling approache…
Defining the Magnitude: Patterns, Regularities and Direct TOA-Surface Flux Relationships in the 15-Year Long CERES Sate…
Over the past fifteen years, the NASA Clouds and the Earth’s Radiant Energy System (CERES) satellite mission has provided the scientific community with the most reliable Earth rad…
The Impact of Water Column Mixing in a Salt-Wedge Estuary
The Puget Sound is a complex estuarine system within the Salish Sea, fed by both high salinity water from the Pacific Ocean and freshwater from a number of rivers. The Snohomish R…
The Proton and Alpha Sensor (PAS) for the Solar Orbiter Mission: motivations, design, operation principle and expected …
Solar Orbiter is an ESA/NASA mission that will provide an unprecedented opportunity to discover the fundamental connections between the rapidly varying solar atmosphere and the so…
Morphological Mapping of 13 August 2017 Kotropi Landslide using Images and Videos from Drone and Structure from Motion
Landslides exhibit complex geomorphological features, which are difficult to monitor and map the changes. Photogrammetric methods have emerged as promising tools to overcome such …
Solving Data Imbalance in Landslide Susceptibility Zonation
Landslides cause billions of dollars in property damage and thousands of deaths every year worldwide. India has more than 15% of its land area prone to landslides, hence mapping o…
Improved Lower Mekong River Basin Hydrological Decision Making Using NASA Satellite-based Earth Observation Systems
Better understanding of the hydrological cycle of the Lower Mekong River Basin (LMRB) and addressing the value-added information of using remote sensing data on the spatial variab…
A Conceptual and Numerical Framework for Multiscale Data-Model Integration in Plant-Microbe-Soil Systems
The rhizosphere is a complex system in which many diverse and heterogeneous small-scale components (e.g, plant roots, fluids, microbes, and mineral surfaces) interact with one ano…
September 2017's Geoeffective Space Weather and Impacts to Caribbean Radio Communications during Hurricane Response
Between 4 and 10 September 2017, multiple solar eruptions occurred from active region AR12673. NOAA and NASA’s well-instrumented spacecraft observed the evolution of these geoeffe…
Tracer subduction and energy cycles in an idealized ACC model, and the potential for measuring energy transfers from sp…
Fronts, at both mesoscale and submesoscales, are generally hypothesized to play a significant role in mediating the transfer of tracers from the surface boundary layer into the in…
Fieldwork activity in Serra of Sicó (Central Portugal): a innovative strategy in teaching and learning Geology
In Portugal, the official curriculum of Natural Sciences (NS) in middle and high schools has highlighted the importance of a greater school-environment relationship, and calls for…
A data driven approach for the temporal classification of heavy rainfall using Self-Organizing Maps
The identification of temporal rainfall patterns is important both in hydrological studies and in water resources management. Computational methods employed for such identificatio…
Effects of substitutability and asymmetry on natural resource management with centralized governance structure
Many resource management studies focus on one resource. Humans, however, rely on multiple resources in a complicated way. A person may derive more well-being from one unit of a re…
HydroLearn: An online platform for collaborative development and sharing of active-learning resources in hydrology educ…
This study reports on the development and implementation of the HydroLearn online platform that supports active learning in the field of hydrology and water resources engineering.…
The High Resolution Ensemble Forecast (HREF) system: Applications and Performance for Forecasting Convective Storms
In November 2017, the High Resolution Ensemble Forecast version 2 (HREFv2) system was implemented by the U.S. National Oceanic and Atmospheric Administration (NOAA). The HREFv2 is…
Estimation of anthropogenic GHG emission rate for different sources in Japanese megacity by using airborne imaging-spec…
In almost Japanese megacities, various CO2 and CH4 emission source like industrial activity (power plant, landfills, gas factory, water processing plants), and agricultural activi…
Impact of Tidal Forcing on Western Boundary Currents
Ocean General Circulation Models (OCGM) have been used for ocean forecasts and reanalysis in the past; successfully reproducing realistic large scale features such as Western Boun…
Transient simulation of climate variability during the Last Glacial Maximum and the Holocene with an energy balance cli…
Projected changes in climate are likely to affect not only its mean state but also its variability. As such, improving our understanding of the spectrum of climate variability and…
Numerically Relevant Timescales in the MG2 Microphysics Model
Climate models rely on parameterizations of a variety of processes in the atmospheric physics, but a common concern is that the temporal resolution is too coarse to consistently r…
Updates on material property estimation for concrete using attribute analysis and ground penetrating radar
Estimating material properties of natural materials is a goal shared between near-surface exploration, infrastructure management, and even conservation of historic sites. Existing…
Next generation data storage system to support big data, IoT and machinelearning at the Norwegian Meteorological Instit…
The Norwegian meteorological institute (MET Norway) routinely collects and archives in-situ observations measured by conventional weather stations following the WMO standard. Howe…
Paleoenvironment and hydrological characteristics of the eastern Congo basin, Central Africa
A great deal of paleoenvironmental research on tropical alluvia and slope sediments assumed the long-term persistence of stable climates and associated rainforest vegetation in th…
The relationship between sediment temperature and methane ebullition in a small eutrophic reservoir: insights from two …
Reservoirs are a globally important source of methane (CH4) to the atmosphere, but measuring CH4 emission rates from reservoirs is difficult due to the spatial and temporal variab…
Data Policy: Much More than Just the Data Set “USGS Science Data Policies: An Evolving Culture of Data Management”
In 2013, the Office of Science and Technology Policy (OSTP) issued a memorandum directing Federal agencies with over $100 million in annual research and development expenditures t…
Assessment of Geomorphic Evolutionary Pathways and Hydrological Connectivity of Kaabar Tal (Wetland) Using Multi-Source…
The alluvial wetlands are one of the most important ecosystems of the world and are in abundance in the vast Indo-Gangetic plains. The wetlands of this region are of variable size…
NOAA NCEI: Through the Data Policy Looking Glass
NOAA National Centers for Environmental Information (NCEI) hosts and provides access to one of the most significant archives on Earth, with comprehensive oceanic, atmospheric, and…
The influence of vegetation on shallow soil and air temperature coupling: a Pan-Arctic data synthesis
Shallow soil temperatures influence ecosystem carbon cycling and the temperature of deeper soil layers where permafrost thaw occurs. Vegetation affects shallow soil temperatures v…
Global Comparison of Benthic Nepheloid Layers Based on 52 years of Nephelometer and Transmissometer Measurements
Global maps of maximum bottom particle concentration, benthic nepheloid layer thickness, and integrated particle mass in benthic nepheloid layers (BNL) based on 2412 global profil…
Localizing Putative Methane Sources on Mars from Back-Trajectory Modeling Techniques
A variety of measurements of methane in the Martian atmosphere have been made over the past 15 years, showing wildly varying indications of methane abundance, location and lifetim…
Fluid composition or bottom currents: What drives extremes in behavior of plumes at ASHES vent field, Axial Volcano?
The Cabled Observatory Vent Imaging Sonar, otherwise known as COVIS, has acquired several months of plume centerlines and strengths for several vents in the ASHES vent field of Ax…
The Global Distribution of Small Seamounts along SARAL/AltiKa Altimeter Tracks
Seamounts can be habitats and hazards to submarine navigation, and their distribution reveals the volcanic history of the oceans. As only a few percent of ocean floor has been sou…
Upper Mantle Seismic Anisotropy as a Constraint for Mantle Flow and Continental Dynamics of the North American Plate
The alignment of intrinsically anisotropic olivine crystals under convection is typically invoked as the cause of the bulk of seismic anisotropy inferred from shear-wave splitting…
A PCB Based Sap Flux Sensor for Increased Manufacturability and Lower Cost
Sap flux probes have been used to study sap velocity since the early 20th century and have progressively improved in accuracy and usability. Advances are also being made in making…
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