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Showing 13401 to 13450 of 22070 works
Stakeholder-designed scenarios to investigate the effect of land use on water partitioning and high flows in New England
Decision makers and water managers throughout New England desire to understand how development and land-use change, especially under a changing climate, will affect high flows, fl…
Thermal Conductivity Measuring Method for Water Filled Open Boreholes
For designing of Ground Source Heating Systems (GSHS) Thermal Response Tests (TRT) are used for a long time. TRTs generally provide a profound basis for the final implementation o…
Temporal Relationships Between African Dust and Chlorophyll-α in the Eastern Caribbean Basin
Seasonal African Dust (AD) transports soluble iron to oligotrophic Caribbean waters, and when bioavailable, it could increase marine primary productivity (PP). Recently, the regio…
Coding in the Geoscience Classroom
Many disciplines within the geosciences require computational skills to access, analyze, and visualize data. These are skills students need to be competitive in the work environme…
Modeling the impacts of point-source inputs on nitrogen retention in an urban river under low-flow conditions
Excessive dissolved inorganic nitrogen (DIN) added to the urban river systems by point-source inputs, such as untreated wastewater and wastewater treatment plant (WWTP) effluent, …
Nonsmooth, nonconvex regularizers applied to linear elctromagnetic inverse problems
Tikhonov’s regularization method is the standard technique applied to obtain models of the subsurface conductivity dis- tribution from electric or electromagnetic measurements by …
Abundant Late-Stage Andraditic Garnet in Actively Serpentinizing Mantle Rocks in Oman and its Implications for Microbia…
Drilling by the Oman Drilling Project provided a unique opportunity to access partially-serpentinized harzburgite and dunite. These are in contact with alkaline fluids in a subsur…
The Effect of Pressure on the Prebiotic Carbon of the Early Solar System
High pressures, along with thermal processes and irradiation, have a measurable effect on carbonaceous compounds which are found throughout the solar system. High pressure environ…
Interactive Visualization of Diverse Datasets Using 3D Tile Point Clouds
VISAGE (Visualization for Integrated Satellite, Airborne, and Ground-based data Exploration) aims to provide visualization and analytic capabilities for diverse datasets in an int…
ASSESSMENT OF IRRIGATION EFFICIENCIES OF AN AGRICULTURAL VALLEY WITH AN OVEREXPLOITED AQUIFER USING REMOTE SENSING AND …
Northern Mexico is characterized by semiarid climate, where limited precipitation restricts crop production. Therefore, production needs efficient irrigation techniques. Agricultu…
Extra-large and morphologically unique microfossils of the 2.52 Ga Gamohaan Formation, South Africa
The microorganisms that evolved during the Archean era had extraordinary impacts on this planet. If not for them, Earth would not have developed the oxygen-rich atmosphere needed …
Establishing the World Reference for Measuring the Atmospheric Longwave Irradiance with Traceability to the Internation…
Advancing climate change research requires accurate and traceable measurement of the atmospheric longwave irradiance. Current measurement capabilities are limited to an estimated …
The influence of fluvial incision on fault activities in the central segment of the Longmenshan thrust belt, eastern Ti…
Whether external or internal forces of the Earth control the behaviors of upper-crustal faults in a fold-and-thrust belt has been debated for decades. The Longmenshan thrust belt …
Man-made Terraces: From Ancient Anthropic Landscape Modification to Value at Risk. The Example of 5 Terre and Portofino…
Man-made terraces for agricultural purposes are a quite diffuse and ancient anthropogenic landscape modification in mountainous areas. The original slope alteration, obtained thro…
Drought Assessment over India using RCMs with Standardized Precipitation Evapotranspiration Index
Regional Climate Models (RCMs) work at finer resolution over a limited region and are presumed to perform better at regional scales. RCMs need thorough evaluation before being use…
FACILITATING SCIENCE-BASED ADAPTATION THROUGH COMMUNITY-BASED PARTICIPATORY RESEARCH: LESSONS LEARNED FROM A CASE STUDY…
In arid snow-fed river systems, where climate change affects snowpack accumulation and snowmelt timing, community-based participatory research that engages scientists and stakehol…
Imaging 50,000 Oriented Ovoid Depressions Using LiDAR Elevation Data Elucidates the Enigmatic Character of The Carolina…
80 years after aerial photography revealed thousands of aligned oval depressions on the USA’s Atlantic Coastal Plain, the geomorphology of the “Carolina bays” remains enigmatic. G…
Assessing Spatiotemporal Trends of Long Term Temperature over Kharun Watershed Chhattisgarh, India
The study and investigation of temperature trends is quite essential for a country like India, whose economy is largely dependent on agriculture as temperature greatly influences …
Timeseries modeling of piezometric heads: determination of precipitation response in the presence of other stresses and…
Time series of piezometric head implicitly contain information about groundwater system. This information is reflected in the impulse response function of precipitation. In order …
The Garden of Forking Paths: the Hidden Statistical Consequences of Data Contingency and Researcher Degrees of Freedom …
Cyclostratigraphy’s near 100% success rate in statistical cycle identification suggests confirmation bias; absence of cyclicity is not regarded as a possible outcome. Vaughan et a…
NCO-JSON: A Flexible, Complete JavaScript Object Notation for netCDF
JavaScript Object Notation (JSON) is an increasingly popular text format for data exchange. netCDF encapsulates the Common Data Model (CDM) and a binary format for machine-indepen…
Optimizing over-summer snow storage at low latitudes and low altitudes
Climate change is forcing the ski industry to modify snow-making strategies and facility operations. Over-summer snow storage is an adaptation successfully employed by high-elevat…
Water Security, Drought and Climate Change: A California Perspective
Water security hinges on water storage. Although the public and water resources planners habitually look to surface reservoirs for storage solutions, by far the largest ‘space’ to…
AVERAGE CRUSTAL THICKNESS AND POISSON'S RATIO BENEATH A BROADBAND SEISMOLOGICAL PROFILE ALONG THE KALI RIVER VALLEY, KU…
The ongoing collision, convergence and northward underthrusting of the Indian plate beneath the Eurasian plate resulted in large lateral variations in crustal thickness and compos…
Expanding Public and Private Sector Access to Reclamation's Water and Water-related Data
The Bureau of Reclamation serves water to 31 million people and 20 percent of irrigators in the western United States. Reclamation generates large amounts of data and information …
Use of high-frequency, high-definition topographic 3D data to develop geographic thinking of students
Various teaching methods including classroom lectures, physical experiments, and field excursions are useful for students to learn and understand the basic concepts of geography a…
Rupture complexity promoted by damaged fault zones in earthquake cycle models
Pulse-like ruptures tend to be more sensitive to stress heterogeneity than crack-like ones. For instance, a stress-barrier can more easily stop the propagation of a pulse than tha…
Use of the European Geological Data Infrastructure for safeguarding Europe's groundwater resources and dependent ecosys…
Changes in the quantity and quality of groundwater and water in the hydrological cycle in general have important implications for the evolution of water resources, the built envir…
An investigation of midlatitude circulation errors in a hierarchy of climate prediction ensembles
The projected response of the atmospheric circulation to changes driven by increasing greenhouse gas concentrations is highly uncertain. One of the primary reasons for this is tha…
In Search of the Compensation Point -- Leaf-Level Exchange of Nitrogen Oxides and Ozone for Selected Tree Species at a …
Biosphere-atmosphere interactions in forest settings have a large impact on the budget and fate of nitrogen oxides (NOx) and ozone, as forests cover over 30% of Earth’s land surfa…
Vertical Electrical Sounding (VES) of Chukchi Sea Ice
Vertical electrical sounding (VES) surveys were performed on the Chukchi Sea ice near Utqiagvik (ne’ Barrow), AK in March, 2018, using a capacitively coupled resistivity array. Th…
Preliminary assessment of observing different regimes in the marine environment using SENTINEL-3 data
The Sentinel-3 constellation of Earth Observation satellites is designed to provide accurate and timely information to better manage the marine environment, and to understand and …
The Doty Fault Network: 3-D regional deformation applied to seismic hazard characterization in the forearc of Washingto…
The upper crust in the forearc of the Cascadia subduction zone hosts a complex network of faults that accommodate trench-parallel and trench-normal shortening due to oblique subdu…
Sandbox analogue experiments for subduction of trench-fill sediments beneath accretionary wedge and backstop
We conducted sandbox analogue experiments for subduction of trench-fill sediments beneath accretionary wedge and backstop in order to explain how protoliths of high-pressure/low-t…
Feature Learning for Multispectral Satellite Imagery Classification using Neural Architecture Search
Automated classification of remote sensing data is an integral tool for earth scientists, and deep learning has proven very successful at solving such problems. However, building …
Coupled spectrometers using optical shutters offer insight into plant stress, SIF, reflectance and quality of measureme…
Light absorption in the photosynthetically active (400 – 700 nm) spectral region is necessary for plant CO2 fixation via photosynthesis. Light absorption in excess of that which c…
Photospheric Observations of Surface and Body Modes in Solar Magnetic Pores.
MHD wave phenomena have been readily observed in recent years in various magnetic elements found within the solar atmosphere. They are often touted as a possible mechanism in chan…
Long Term Stability of Conduit Dynamics at Fuego Volcano, Guatemala, 2008-2015
Fuego volcano in Guatemala began its current eruptive episode in 1999. From 2008-2015 we observed repeating and near-repeating seismic events in the long period (LP: 0.5-5 Hz) and…
Scientific society support for scientists working to build institutional capacity for public engagement: Examples from …
The American Association for the Advancement of Science’s Leshner Leadership Institute for Public Engagement with Science, founded in 2015, empowers scientists and engineers to de…
Inverse modeling of turbidity currents using 2D shallow-water model and neural network toward understanding of developm…
This study aims to establish an inverse model for reconstructing properties of turbidity currents from their deposits. Although several attempts of in-situ measurements have been …
Exploring the Interactions between Land Use, Climate Change and Carbon Cycle using Satellite Measurements
Most climate change impacts are linked to terrestrial vegetation productivity, carbon stocks and land use change. Changes in land use and climate drive the dynamics of terrestrial…
Mercury's Global Evolution
MESSENGER's exploration of Mercury has revealed a rich and dynamic geological history and provided constraints on the processes that control the planet's internal evolution. That …
Developing a Detailed Reach-Scale Digital Elevation Model of the Congo River's Main Stem Bathymetry
A reach-scale high resolution digital elevation model (DEM) of the Congo’s main stem bathymetry is presented. The Bathymetry DEM covers a multichannel reach of the main stem situa…
Combining Emergent Constraints for Climate Sensitivity
A method is proposed for combining information from several emergent constraints into a probabilistic estimate for a climate sensitivity proxy $Y$ such as equilibrium climate sens…
Geodetic Imaging of the Coseismic and Early Postseismic Deformation from the 2019 M w 7.1 and M w 6.4 Ridgecrest Earthq…
The 4 July 2019 Mw 6.4 Earthquake and 5 July Mw 7.1 Earthquake struck near Ridgecrest, California. Caltech-Jet Propulsion Laboratory Advanced Rapid Imaging and Analysis (ARIA) pro…
Connecting Environmental Futures with Environmental Decision-making: a Review
Environmental decision- and policy-making must contend with uncertainty about the future that can hinder proactive environmental decisions, forcing environmental managers into rea…
Experimental Monitoring of Crack Closing and Sliding with Nonlinear Wave Interactions
It is now well-established that earthquakes change the seismic velocity of the near surface. There is certainly some understanding of what mechanisms are responsible for these cha…
The OPEnSampler: A Low-Cost, Low-Weight, Customizable and Modular Open Source 24-Unit Automatic Water Sampler
Reliable automatic water samplers allow repetitive sampling of various water sources over long periods of time without requiring a researcher on site, reducing human error as well…
Inlet Widening Along the Virginia Barrier Islands, Virginia, USA
Inlet change along the Virginia barrier islands has been studied on an individual inlet basis. This study evaluated the ten inlets both individually and as a group. Evaluating the…
Microlite Size Distributions and P-T-t-x (H2O) constraints of Central Plateau tephras, New Zealand: implications for ma…
Crystals within erupted volcanic rocks record geochemical and textural signatures during magmatic evolution prior to the onset of eruptions. Growth times of microlites can be deri…
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