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Showing 12801 to 12850 of 22070 works
Dust Aerosol Retrieval Over the Oceans with the MODIS/VIIRS Dark Target algorithm. Part II: Non-Spherical Dust Model
The Dark-target (DT) aerosol algorithm retrieves spectral Aerosol Optical Depth (AOD) and other aerosol properties from Moderate-resolution Imaging Spectrometer (MODIS) reflectanc…
Evaluating the Accuracy of Jason-3 Water Vapor Product Using PWV Data from Global Radiosonde and GNSS Stations
Abstract: Jason-3 is equipped with an Advanced Microwave Radiometer (AMR) to remove the signal wet delay caused by precipitable water vapor (PWV). In order to investigate the accu…
Estuarine Circulation, Mixing, and Residence Times in the Salish Sea
A realistic numerical model is used to study the circulation and mixing of the Salish Sea, a large, complex estuarine system on the United States and Canadian west coast. The Sali…
Robust future changes in meteorological drought in CMIP6 projections despite uncertainty in precipitation
Quantifying how climate change drives drought is a priority to inform policy and adaptation planning. We show that the latest Coupled Model Intercomparison Project (CMIP6) simulat…
Ocean alkalinity, buffering and biogeochemical processes
Alkalinity, the excess of proton acceptors over donors, plays a major role in ocean chemistry, in buffering and in calcium carbonate precipitation and dissolution. Understanding a…
Observations of Low Latitude Red Aurora in Mexico During the 1859 Carrington Geomagnetic Storm
On 1 September 1859, occurred one of the most intense geomagnetic storm that has been documented in recent history. This storm is known as the Carrington Event. On the morning Sep…
Assessment of South America Mid-Plate Strain Rates through GNSS Velocities Estimated from SIRGAS-C Time Series
We are investigating terrain deformations of long range and persistence that take place on continental scale over the stable shield of continental South America. The crustal defor…
Assessing the Dynamics of the Sagebrush-Steppe Ecosystem in the Context of Restoration and Fire in Western North Americ…
Ecosystem dynamic models have been widely used to estimate terrestrial carbon flux and to project ecosystem structure and composition over time and space, because of their efficie…
Impact of spatial scale for phenological indices derived from remotely sensed data
Land surface phenology (LSP) characterizes the vegetated land surface and is practical to understand terrestrial environmentals at a global scale. Regularly observed remotely sens…
Salinity reversal and water freshening in the Eagle Ford Shale
Effective, considerate shale play water management support operations and protect the environment. A parameter often overlooked is total dissolved solids (TDS). Knowledge of TDS i…
Impacts of Land Use Change on the Natural Flow Regime: A Case Study in the Meramec River Watershed in Eastern Missouri,…
The natural flow regime within a watershed can be considered as the expected temporal patterns of streamflow variation in the absence of human impacts. While ecosystems have evolv…
Energized oxygen in the magnetotail : Current Sheet Bifurcation from Speiser motion
Oxygen ions can be a major constituent of magnetospheric plasma, yet the role of oxygen in the magnetosphere is often not sufficiently understood. We examine the case of a thinnin…
A new mentoring forum for deaf and hard-of-hearing academics
While about 17% of the adult population have significant hearing loss, we remain under-represented within academia outside of the field of Deaf Studies. One primary contributor to…
Air Quality Satellite Monitoring by TROPOMI on Sentinel-5P
The latest launched Sentinel satellite mission, the Sentinel-5 Precursor (Sentinel-5P) is one of the European Space Agency’s (ESA) new mission family – Sentinels. The sole payload…
Fluid-Driven Fracture Initiation During Loss of Control Situations
If a kick is not detected and circulated properly out of the wellbore with heavier mud weight, it leads to blowouts. In this case, reservoir fluids gush out of the well uncontroll…
Estimation of Geomagnetically Induced Currents at Low Latitude and Equatorial Regions of Brazil During Two Great Magnet…
The South American longitudinal sector presents the unique feature of the presence of daytime equatorial electrojet currents (EEJ) and the South Atlantic Magnetic Anomaly (SAMA), …
Measuring Replicability to Promote Reproducibility in Hydrology
There have been numerous calls to promote reproducible research. This growing awareness coincides with major advances in data/code sharing technologies. Yet authors, journals, ins…
Double-difference/slope tomography by a variational projection approach
Dense acquisition are more and more available in exploration and earthquake seismology. Tomographic approaches can now consider not only travel times but also the wavefront itself…
Long-term monitoring of land surface phenological changes
Land surface phenology (LSP) is associated with climate over space and time, and the monitoring of LSP help understandings of the terrestrial environmental changes. The LSP is oft…
Magnetic Holes Upstream of the Martian Bow Shock: MAVEN Observations
Magnetic holes (MHs) are pressure-balanced structures characterized by distinct decreases in the interplanetary magnetic field (IMF) strength in otherwise unperturbed solar wind. …
Leveraging statistical learning theory to characterize the U.S. water consumption
Access to accurate estimates of water withdrawal is requisite for urban planners as well as operators of critical infrastructure systems to make optimal operational decisions and …
Contrasting GCM simulations of Arctic Mixed Phase Boundary Layer Clouds with Observations from a Tethered Balloon Platf…
Mixed phase clouds, consisting of ice particles and super cooled liquid droplets, predominantly found in Arctic, are poorly represented in various climate models. A unique tethere…
Enzymatic temperature limitations to Arctic soil decomposition
With temperatures rising in Arctic regions at double the global average, decomposition rates and subsequent greenhouse gas release into the atmosphere are expected to rise, potent…
EarthConnections Pathways: Linking Geoscience Learning and Community Involvement to Develop Community Science Literacy
Community science is a collaboration between scientists and communities including their citizens and their leaders. In this collaboration, the scientists and communities together …
Double-dating applied to provenance study in actual rivers in the foothills of the Eastern Cordillera Colombia
The combination of different thermochronologic techniques on the same samples or even the same grains has become in a useful tool, to establish a complete history of the geologica…
Future Sea-Ice Decline Predicted to Bring the Arctic Nations Closer Together
Over the past decades, Arctic sea ice has declined in thickness and extent and is shifting towards a seasonal ice regime, with accelerated ice drift and an increase in the seasona…
Occurrence and Altitude of the Non-Specular Long-Lived Meteor Trails During Meteor Showers at High Latitudes
Meteoroids entering the Earth’s atmosphere produce ionized trails, which are detectable by radio sounding. Cylindrical underdense (and partly overdense) trails form a great majori…
Scaling Knowledge Innovation to Smaller Water Providers: A Focus on Communities of Practice
The past 2 decades of research has demonstrated the value of co-production as a process that creates information that is usable to decision makers. However, research has also show…
The Climatic Significance of Biogenic Aerosols in the Boreal Region Now and in the Future
The magnitude of aerosol radiative effects remains the single largest uncertainty in current estimates of anthropogenic radiative forcing. One of the key quantities needed for acc…
Regional Climate Change Adaptation Policy Network in Southeast Florida
Climate change poses uncertain, complex, and emerging risks to local governments across the country, particularly in regions prone to flood and storm hazards. While local governme…
A laboratory study of the ice nucleating ability of pollen in Beijing
Immersion freezing is an important heterogeneous ice nucleation process in mixed-phase clouds. Many researches on immersion freezing focus on the parameterization using the classi…
Detection and Monitoring of Very Slow Landslides in Vicinity of an Artificial Reservoir using Advanced Differential SAR…
Persistent Scatterer Interferometry (PSI) is a novel remote sensing technique for monitoring land deformation on large scale. It is economic and can be used for detection of land …
Lessons Learned: A Data Repository’s Experience Requiring Data Management Training
The Gulf of Mexico Research Initiative Information and Data Cooperative (GRIIDC) is a data management system that provides researchers with a variety of tools to help manage data …
Human-Centered Design in the Age of Climate Change
In Greek mythology, Cassandra was cursed with a prophetic knowledge of the future that no one would believe. The premise of this mythological prophet is also an apt description of…
Subduction initiation during collision-induced subduction transference: Numerical modeling and implications for the Tet…
The collision-induced subduction transference is a composite dynamic process including both the terrane collision/accretion and the subduction initiation (SI) at the neighboring p…
Radical-assisted pathways for the prebiotic formation of nucleobases from plausible precursors
The perplexity of how the building blocks of life formed from simple and abundantly-available precursors on early earth has baffled scientific community for centuries. In order to…
Long-term Reproducibility of Carbonate Standard D47 values: An Intra-laboratory Comparison
Carbonate clumped isotope thermometry is a useful tool practised in studies of temperature history and fluid composition of surface and subsurface environments, with application t…
The Effect of Plasma Boundaries on the Dynamic Evolution of Relativistic Radiation Belt Electrons
Understanding the dynamic evolution of relativistic electrons in the Earth’s radiation belts during both storm and non-storm times is a challenging task. The U.S. National Science…
Soil drying and active layer deepening decrease productivity across ecotypes of a dominant Arctic sedge
Arctic warming is outpacing the global rate of climate change, with up to 11 degrees C of warming projected by the year 2100 if greenhouse gas emissions follow their current traje…
How are They Getting Ready? Resident Experiences in Earthquake and Tsunami Preparedness along Coastal Oregon
As the ShakeAlert Earthquake Early Warning System is launched along the West Coast, how will this change the situational awareness and preparation actions of individuals who live …
Multiple Magma Batches: Understanding the Pre-Eruptive Architecture and Magmatic Processes of Supereruptions Based on T…
The investigation of the Ora Ignimbrite (~275 Ma) helps further our understanding of how vast amounts (>1,000 km3) of melt are generated, stored, and erupted from the shallow crus…
Identifying the post-sedimentary part of fission track length histograms with inherited tracks
Fission track length histograms from sedimentary samples may contain tracks generated before the time of deposition. They may originate from various source areas with their own th…
Modeling Riparian Hollow Controls on Nitrogen Cycling in Snowmelt Dominated Catchments
A multi-scale understanding of processes controlling the nitrogen budget is essential for predicting how nitrogen loads will be affected by climate-induced disturbances. Recent st…
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