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Showing 13301 to 13350 of 22070 works
Mystical Himalayas, India : Geology, History And Society Authors- JAIN , NIDHI Affiliation: (Vikhe Patil Memorial Schoo…
All my students have the potential to bring something unique and special to the world. They are ready to experiment with new things, learn from immediate environment and participa…
Restructuring higher education class format to better prepare future teachers to offer hands-on science learning to the…
Many traditional university-level science classes consist of multiple hours of lecture each week accompanied by a two-hour, hands-on laboratory session in which participants use h…
Compositional Determination of Shale with Simultaneous Neutron and X-ray Tomography
Understanding the distribution of organic material, mineral inclusions, and porosity are critical to properly model the flow of fluids through rock formations in applications rang…
Leveraging and Easing End Users' Climate Data Access by Interfacing Infrastructures
End Users of Climate data have nowadays to struggle with accessing the data they need for their research because of the rapid increase in data volumes. The whole climate data arch…
Leveraging Earth Observations and In Situ Data in Support of Groundwater Sustainability
Water managers face the daunting task of managing freshwater resources in the face of industrialization and population growth. As surface water resources become fully allocated, i…
Squeezing Marsquakes out of groundwater
Pore pressure in aquifers confined below a cryosphere will increase as Mars cools and the cryosphere thickens. The increase in pore pressure decreases the effective stress and hen…
Water as hazard and water as heritage: Report of the European Geosciences Union Topical Event in Rome, 13.-14. June 2016
“Water as hazard and water as heritage” was an international workshop funded by the European Geosciences Union and run in frame of the “Spazi aperti” international event of the Ro…
Light scattering and extinction measurements combined with laser-induced incandescence for the real-time determination …
An aerosol albedometer was combined with laser-induced incandescence (LII) to achieve simultaneous measurements of aerosol scattering, extinction coefficient, and soot mass concen…
How do people behave during flash floods and why? Lessons for the prediction of the human vulnerability dynamics in sho…
Social scientists have a long history of documenting disasters and natural extreme events’ behavioural response through the collection of perishable post-event data (Gruntfest 197…
Nocturnal mixed layers and water ice clouds on Mars
We are using radio occultation (RO) measurements from Mars Global Surveyor to investigate the nighttime structure and dynamics in the lower atmosphere of Mars. High-resolution tem…
Experimental Investigation on Sand Production during Non-Diagenetic Hydrate-Bearing Sediments Depressurization Producti…
Sand production is the process in which formation sand and gravel would migrate into the wellbore by the flow of reservoir fluids. This is a problem that endangers the safety of h…
Sulfur Isotope Composition of Pyrite and Organic Matter from the Monterey Formation: Implications for δ34S as a Paleoen…
The isotopic composition of organic sulfur (δ34Sorg) is a potential recorder of past biogeochemical conditions that has, thus far, received relatively little attention in comparis…
It’s all about scale: impact of uncertainty in surface water elevation and effects of grid size on water table depth in…
Continental and global-scale groundwater models have been proposed recently to complete and improve the simulation of the hydrologic cycle. This development is still impeded by th…
Vulnerability Assessment of Bridges Exposed to Scour in a Multi-Hazard Environment by UAV Measurements
Bridge foundation scour is the most common cause for the failure of highway bridges. The assessment of local scouring mechanism around bridge piers provides information for decisi…
Public and Local Government Priorities on the Development of Local Sea Level Rise Plans
Sea Level Rise is a global concern that has varying and potentially serious consequences on the local level. Although national policies and international frameworks can help to re…
Direct prediction of temperature from time-lapse ERT using Bayesian Evidential Learning : extension to a 4D experiment
The use of geophysical methods to characterize subsurface properties has significantly grown in the last decade. Although geophysics can bring relevant spatial and temporal inform…
Monitoring Hydromorphological Changes in Meandering Rivers via Multi-Temporal UAV-Based Measurements
Unmanned Aerial Vehicle (UAV) based Structure-from-Motion (SfM) techniques have renovated 3D topographic monitoring of earth surface, offering low-cost, rapid and reliable data ac…
Rare earth element distribution in the NE Atlantic: Evidence for the temporal and spatial stability of the seawater sig…
Seawater rare earth element (REE) concentrations are increasingly applied to reconstruct water mass histories by exploiting relative changes in the distinctive normalised patterns…
Parametric Experiments In Mitigating Spacecraft Charging Via Plasma Contactor
Spacecraft charge mitigation is critical for a host of space plasma measurement techniques. However, charge mitigation in tenuous space plasmas can be a difficult problem. It is e…
Kinetic Theory of quasi-electrostatic waves in non-gyrotropic plasmas
The kinetic theory of twisted wave instability is developed for the nonthermal dusty plasmas in the presence of helical electric field carrying orbital angular momentum (OAM). The…
Improvements in gender parity but not representation among Asian American geoscience PhD graduates
Geoscience doctoral programs are among the least diverse among STEM fields, with no progress since 1973 on ethnic and racial diversity among U.S. citizens earning doctorates in th…
Bridging Science to Science Policy - Why it Matters with Geologic Energy Research
Advising policy makers of ongoing geologic energy research is a key facet of enabling long-term energy security. If policy makers and their staffs do not hear from practicing scie…
Transfer Learning of InSAR Atmospheric Effects for Earthquake Characterization
Interferometric synthetic aperture radar (InSAR) measures surface deformation from repeated passes of satellites or aircraft and has become an important tool to study geophysical …
Time-dependent Tomographic Estimation of Global Exospheric Hydrogen Density During Geomagnetic Storms.
During geomagnetic storms, charge exchange between neutral hydrogen (H) atoms in the terrestrial exosphere and H+ and O+ ions in the ring current serves to dissipate magnetospheri…
Spatio-Temporal Changes in Vegetation Greenness Across Continental Ecuador, 1982 - 2010
We analyze changes in vegetation greenness across the coastal, Andean, and Amazonian regions of continental Ecuador, 1982-2010. Using Normalized Difference Vegetation Index (NDVI)…
Assessment of anthropogenic impact on flood dynamics in Moldova using hydrological modeling
Main hydrological disasters that occur in the Republic of Moldova are floods. In the last 70 years (1947-2015) floods caused losses of 583 mil. US$. Thereby, a proportion of 55% o…
Surficial Geology of Siloe Patera at Arabia Terra, Mars
Abstract: Siloe Patera, like other collapsed volcanic features at Arabia Terra, Mars has been identified as a set of nested deep depressions [1]. We interpreted surficial geology,…
Autonomous BBOBS-NX (NX-2G) for New Era of Ocean Bottom Broadband Seismology
The broadband ocean bottom seismometer (BBOBS) and its new generation system (BBOBS-NX) have been developed in Japan, and we performed several test and practical observations to c…
Water partitioning and flux ages in temperate forest and grassland plots: assessment using the EcH2O-iso ecohydrologica…
We used the process-based and tracer-aided ecohydrological model EcH2O-iso to assess the effects of vegetation cover on water balance partitioning and associated flux ages under t…
Statistical Compression for Climate Model Output
Numerical climate model simulations run at high spatial and temporal resolutions generate massive quantities of data. As our computing capabilities continue to increase, storing a…
Wave Effects in Variations of the Partial Reflection Radar Signals in Twilight Conditions
For various heliogeophysical conditions during solar terminator passages results of observations of amplitude variations of the partial reflection radar signals (the observatory T…
WILDFIRE HAZARD EVALUATION IN THE METROPOLITAN AREA OF CONCEPCIÓN - CHILE CENTRAL
The hazard of wildfires in Chile is latent, especially in densely populated urban centers that are embedded in a Wildland-Urban Interface (WUI). As an example of that is Concepció…
The Impact of the Deformation History on the Microstructural Evolution of Polycrystalline Olivine and How It Affects th…
Relating seismic anisotropy with mantle flow requires a good understanding of the rock’s microstructural evolution and the development of crystal preferred orientations (CPO), bec…
Systematic detection and correction of instrumental time shifts using crosscorrelations of ambient seismic noise
Timing errors are a notorious problem in seismic data acquisition and processing. We present a technique that allows such time shifts to be detected and corrected in a systematic …
ICESat-2 Photon Classification: Finding Signal Photons in the ATL03 Geolocated Photon Data Product
ICESat-2 carries NASA’s next-generation laser altimeter, ATLAS, (Advanced Topographic Laser Altimeter System), designed to measure changes in ice sheet height, sea ice freeboard, …
High Resolution Polar Regional Climate Model NHM-SMAP for the Greenland Ice Sheet
To improve surface mass balance (SMB) estimates for the Greenland Ice Sheet (GrIS), we develop a spatially and temporally high resolution polar regional climate model combining th…
The Geothermal Heating Resource for Cornell University, Tompkins County, New York: Exploiting and Analyzing Available G…
Cornell University aspires to fully heat and cool its main campus with renewable energy. Cornell is a 30,000-person community, in >14 million ft2 of buildings, that annually consu…
Eleven Ways to Measure the Immeasurable and Count the Incalculable
In 2017 Ocean Networks Canada (ONC), a research infrastructure operator, sought to redefine its core reporting metrics. We asked, “which metrics should we hold as key, essential m…
Water sampling from aerial drones for water quality research in coastal and inland waters
Water sample collection is a simple, but fundamental approach for measuring water properties that cannot currently be sensed in situ with instruments or for conducting experiments…
Eclipse-Induced Changes to Topside Ion Composition and Interhemispheric Ion Flows in the August 2017 Solar Eclipse: Swa…
We present in-situ ion composition and velocity measurements from the Enhanced Polar Outflow Probe during the August 2017 solar eclipse, which crossed the path of totality at ~640…
UAV in combination with a thermal infrared sensor for the use in groundwater research
Submarine groundwater discharge (SGD) is highly variable in spatial and temporal terms due to interplay of several terrestrial and marine processes. In contrast to discrete in-sit…
Study of postseismic deformation due to the 2015 M 7.2 Sarez (Pamir) earthquake using Sentinel-1 InSAR observations
The Mw 7.2 Sarez strike-slip earthquake occurred on Dec 7, 2015 in the Pamir region at the North-West of the Tibetan Plateau. We used Sentinel-1A/B Interferometric Synthetic Apert…
Toward Continuous Cover Forestry on Boreal Lowlands -- Hydrological Responses to Partial Harvesting
Interest towards continuous cover forestry (CCF) has grown in recent years as it is considered more favorable from environmental perspectives than even-aged management. CCF could …
Role of Snow Depth in the Influence of El Niño on Summer Climate Anomalies over East Asia
With datasets of Global Land Data Assimilation System (GLDAS) NOAH land surface model, GPCC monthly mean rainfall and NCAR/NCEP global monthly mean reanalysis from 1948 to 2010, b…
Socioenvironmental Mapping: a Participatory Methodology of Local Diagnosis involving Different Stakeholders
Social Learning contributes as a guiding proposal for the joint intervention of the local actors and dissemination of methodologies and collaborative activities in socioenvironmen…
Mineralogical insights into the 2018 Puna eruption at Kilauea volcano: magma origins and mixing timescales
After 35 years of fairly steady lava effusion from the Pu’u ‘O’o vent along Kilauea’s mid portion of the East Rift Zone, a drastic change in the volcano’s behavior was initiated i…
Upper atmosphere radiance data assimilation: Observing system simulation experiments for GOLD far ultraviolet observati…
Availability of far ultraviolet observations of Earth’s dayglow by the NASA Global-scale Observations of the Limb and Disk (GOLD) mission presents an unparalleled opportunity for …
Ecological Sensor Data Quality Assessed Using Observational Data and Combined Uncertainties
Delivering long-term, high quality environmental sensor data spanning the continent is a primary goal in the National Ecological Observatory Network’s (NEON) Instrumented Systems …
LASP Interactive Solar IRradiance Datacenter (LISIRD)
The University of Colorado at Boulder’s Laboratory for Atmospheric and Space Physics (LASP) has a long history of providing state of the art solar instrumentation and datasets to …
Barotropic versus Baroclinic eddy saturation
Wind is an important driver of large-scale ocean currents, imparting momentum into the ocean at the sea surface. In particular, strong westerly winds help to drive the Antarctic C…
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