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Showing 7151 to 7200 of 59105 works
Spectral absorption of brown carbon in the Central Amazonia
There is a need to better characterize aerosol absorption due to its remarkable radiative effects on climate. In particular, we need to understand the separation of total absorpti…
Capturing the Effects of Surface Flux Heterogeneity on the Lower Sub-grid Atmosphere in Earth System Models with a Mult…
Earth System Models (ESMs) traditionally operate at large horizontal resolutions, on the order of 100 km, which can obscure the effects of smaller scale heterogeneity. When examin…
Analyzing the impact of bias correction of ensemble rainfall forecasts on streamflow prediction skill of a hydrodynamic…
Use of ensemble rainfall forecasts has gained popularity in providing detailed uncertainty information and improving hydrologic prediction skill. India Meteorological Department (…
The Crustal Stress Field of Northern Chile
The spatial variability of the regional crustal stress in northern Chile is resolved. We infer a margin-parallel compressive crustal stress regime along the coastal region, simila…
Configuration and validation of an oceanic physical and biogeochemical model to investigate coastal eutrophication: cas…
The Southern California Bight (SCB), an eastern boundary upwelling system, is impacted by global warming, acidification and deoxygetation, and receives anthropogenic nutrients fro…
Machine Learning to Characterize Hydro-Climate Impacts and Thresholds to Rainfed Agricultural Productivity
Sparse observational data in developing regions leads to uncertainty about how hydro-climatic factors influence crop phases and productivity, knowledge of which is essential to mi…
Using GNSS Reflectometry Measurements Over the Everglades to Identify Variations in Wetland Inundation Extent Beneath V…
Wetlands represent an essential ecosystem, providing flood control, carbon storage, and supporting biodiversity. In particular, the Everglades is a Ramsar Wetland of International…
A framework for estimating global river discharge from the Surface Water and Ocean Topography satellite mission
The forthcoming Surface Water and Ocean Topography (SWOT) mission will vastly expand measurements of global rivers, providing critical new datasets for both gaged and ungaged basi…
Engineer Level Automated Interpretation of Geothermal Well Logs Using Convolutional Neural Networks
Geothermal well log analyses consist of utilizing pressure and temperature data measured along the wellbore to predict feed zones, reservoir temperature, and reservoir pressure. I…
The Paris Agreement and climate justice: inequitable impacts of sea level rise associated with temperature targets
Anthropogenic greenhouse gas emissions are causing unprecedented changes to the climate. In 2015, at the United Nations (UN) Conference of the Parties in Paris, France, countries …
Measuring the shape of citrus using Topological Data Analysis
Shape is foundational to biology. Observing and documenting shape has fueled biological understanding as the shape of biomolecules, cells, tissues, and organisms arise from the ef…
Washover Volume Analysis of Hatteras and Pea Islands, North Carolina, USA over Centennial Timescales
Hurricanes (tropical cyclones) and nor’easters (mid-latitude cyclones) are high-energy storms often impacting the Outer Banks (OBX) barrier islands of North Carolina (NC), USA. St…
Understanding Glacier Thinning and Retreating During the Last Glacial Maximum in Yosemite to Predict Contemporary Degla…
We describe new cosmogenic Be-10 and C-14 exposure age dating on previously glaciated bedrock samples from Lyell Canyon as constraints to model the glacier’s rate and timing of th…
Bayesian Detectability of Induced Polarisation in Airborne Electromagnetic Data using Reversible Jump Sequential Monte …
Detection of induced polarisation (IP) effects in airborne electromagnetic (AEM) measurements does not yet have an established methodology. This contribution develops a Bayesian a…
Wet-environment Evapotranspiration and Precipitation Standardized Index (WEPSI) for drought assessment and monitoring
Drought is a major threat to global agriculture and can trigger or intensify food price increase and migration. Assessment and monitoring are essential for proper drought manageme…
A Dynamical Linkage Between Western North Pacific Tropical Cyclones and Indian Monsoon Low-Pressure Systems
The relatively weak tropical storms, known as low-pressure systems (LPSs), contribute as much as 60% of the seasonal precipitation over the hugely populated central India. More th…
Locally modified winds regulate circulation in a semi-enclosed shelf sea
Wind driven circulation in the North Sea is revisited with a specific focus on locally modified winds and their impacts. We show for the first time that local extrema of the wind …
Thermal Radiative Properties of Bardarbunga Basalts: Importance of Emissivity in Magma Rheology and Volcanic Hazard.
Temperature (T) is a key parameter controlling the rheology of lava flows. Since hazardous behavior of eruptions prevents direct measurements of hot magmatic bodies [1], the tempe…
Performance evaluation and influential factor analysis for stacking-based seismic location
Seismic source locations provide fundamental information on earthquakes and lay the foundation for seismic monitoring at all scales. Subsurface engineering operations, such as hyd…
Towards an Investigation of the Effects of Dynamic Topography on Vertical Land Motions Along the North American Atlanti…
Dynamic topography, defined as the deflection of the Earth’s surface due to the convecting mantle, causes changes in vertical land motions (VLM). We aim to estimate the effect of …
The application of temperature and light intensity as intermittency sensors in a temporary pond in Jamaica
As climate change progresses, hydrological regimes of temporary and perennial water bodies are projected to change, affecting biodiversity and ecosystem functions. Researchers hav…
Assessment of Changes in Global Domestic Water Use and Economic Value
Water scarcity is a critical global issue impacting human life. Supply-side solutions alone do not meet the ever-increasing water demands. Economic assessment of water resources c…
Improving Field Lava Flow Temperatures with Lab-based Spectral Emissivities for The 2014--2015 Holuhraun Eruption.
Lava flows are one of the main hazards related to effusive basaltic volcanism. To minimize their impact during emplacement, we use lava flow potential distance-to-run predicted by…
Large-sample evaluation of radar rainfall nowcasting for flood early warning
To assess the potential of radar rainfall nowcasting for early warning, nowcasts for 659 events were used to construct discharge forecasts for 12 Dutch catchments. Four open-sourc…
Characteristics of Internal Tides Modulated inside a Mesoscale Warm Eddy 1 based on Single Virtual-moored Slocum Glider…
6 Key Points 7 • Variability of diurnal and semidiurnal internal tides within a mesoscale warm eddy is 8 detected via virtual-moored single-glider observations. 9 • Diurnal intern…
The Triassic Duobaoshan appinite-granite suite, NE China: implications for a water-fluxed lithospheric mantle and an ex…
In this study, we present zircon U-Pb ages, Hf-O isotopes, and whole-rock geochemical data for the newly identified Duobaoshan appinite-granite suite in the eastern Central Asian …
OTREC, PREDICT and EC model to study convection
Two data sets (OTREC and PREDICT) and the European Center operational model are used to study convection. Vertically integrated moisture convergence is taken to be a proxy for con…
Age-Depth Stratigraphy of Pine Island Glacier Inferred from Airborne Radars and Ice-Core Chronology
Understanding the contribution of the West Antarctic Ice Sheet (WAIS) to past and future sea level has emerged as a scientific priority over the last three decades. In recent year…
The influence of interplanetary magnetic field direction on Martian crustal magnetic field topology
Crustal magnetic fields influence a range of plasma processes at Mars, guiding the flow of energy from the solar wind into the planet’s atmosphere at some locations while shieldin…
Observing Upper Ocean Stratification during Strong Diurnal SST Variation Events in the Suppressed Phase of the MJO
Six ALAMO floats are deployed within the tropical warm pool of the eastern Indian Ocean, to study the thermal stratification in the diurnal warm layer (DWL) during strong diurnal …
Optimizing 40Ar/39Ar analyses using an Isotopx NGX mass spectrometer
Multicollector noble gas mass spectrometry has yielded significant improvements in the precision of 40Ar/39Ar age determinations over the last decade [1,2]. We report initial resu…
Semi-coupling of a Field-scale Resolving Land-surface Model and WRF-LES to Investigate the Influence of Land-surface He…
Contemporary Earth system models mostly ignore the sub-grid scale (SGS) heterogeneous coupling between the land surface and atmosphere. To aid in the development of coupled land a…
SATELLITE OBSERVATIONS OF URBAN GREENERY PHENOLOGY IN DOWNTOWN BEIJING AT METER TO KILOMETER SCALES
To precisely describe the dynamics of vegetation cover in high-density urban areas, this study evaluates the spatial and temporal consistency of the Normalized Difference Vegetati…
Polar Cap Boundary identification using redline optical data and DMSP satellite particle data
\justify The location of the polar cap boundary is typically determined using low-orbit satellite measurements in which the boundary is identified by its unique signature of a sha…
Finite-Fault Stochastic Simulation of the 2008 Iwate-Miyagi Nairiku, Japan, Earthquake
Finite-fault stochastic method was applied to simulate the Mw 6.9, 2008 Iwate-Miyagi earthquake at 44 selected Kik-net sites using EXSIM computer code. To investigate the effects …
Calcareous nannofossils of the late Eocene- early Oligocene from the Pabdeh ‒ Asmari transition in Dezful embayment (SW…
1 2-3 4 5 6 7 8 9 key points: paleoclimatology, biostratigraphy, paleoceanography The Calcareous nannofossil assemblages have been investigated at the uppermost Eocene ‒ lowermost…
Determination of Actual Evapotranspiration and Crop Coefficients of Tropical Indian Lowland Rice (Oryza sativa) Using E…
Rice (Oryza sativa) is a major staple food crop in India occupying about 44 million ha (Mha) of cropped land in meeting food requirements for about 65% of the population. As water…
Monitoring fin and blue whales in the Lower St. Lawrence Seaway with onshore seismometers
The Lower St. Lawrence Seaway (LSLS), in eastern Canada, is an important habitat for several species of endangered baleen whale. As we seek to reduce the hazards that these endang…
Filtering ground noise from LiDAR returns produces inferior models of forest aboveground biomass
Airborne LiDAR has become an essential data source for large-scale, high-resolution modeling of forest biomass and carbon stocks, enabling predictions with much higher resolution …
Global and regional patterns of soil nitrous acid emissions and their acceleration of rural photochemical reactions
Abiotic and biotic releases of nitrous acid (HONO) from soils contribute substantially to the missing source of tropospheric HONO and hydroxyl radicals (OH). However, global and r…
Understanding Urban Water Sustainability Transitions to One Water Using Science-based Expert Interviews
Water management practices in cities around the world are faced with growing social and environmental pressures. Unfortunately, the linear “take-make-waste” approach, previously r…
High Precision Zero-friction Magnetic Dendrometer
Increasing agricultural demand for freshwater in the face of a changing climate requires improved irrigation management to maximize resource efficiency. Soil water deficits can si…
Expansion of Accacian Decurrens tree plantation on cultivated land in Fagita Lekoma District, Northwestern of Ethiopia
The main objectives of the study were to examine the magnitude and rate of the current status of Accacian decurrens expansions, to identify the driving force of the local communit…
Quantifying Microbial Associations of Dissolved Organic Matter under Global Change
Microbes play a critical role in regulating the size, composition, and turnover of dissolved organic matter (DOM), which is one of the largest pools of carbon in aquatic ecosystem…
Does Litter Quality Change Affect the Decomposition of Soil Organic Matter Under Elevated Atmospheric CO2 and Warming?
Soil property and litter quality are two key factors that control soil organic matter decomposition. Under climate change, it remains unclear how the changes of soil microbial com…
The footprint characteristics of cosmic ray thermal neutrons
The advance of the cosmic ray neutron (CRN) sensing method for estimating field scale soil moisture relied largely on simulations of the footprint properties of epithermal neutron…
Subsurface variation of soil physicochemical properties and redox-sensitive elements under different land covers in Gul…
The redox potential of soils is critical in understanding the structure and function of ecosystems. Soil redox state strongly governs the speciation, bioavailability, and solubili…
Engaging Students in the Geosciences using Effective and Versatile Climate and Data Literacy Teaching Modules
Using authentic and locally-relevant environmental data is a valuable teaching tool for providing students with opportunities for self-directed exploration of the natural world. W…
Orbital Forcing Strongly Influences the Poleward Shift of the Spring Himalayan Jet During the Past Millennium
The latitudinal position of the subtropical jet over the Himalayas (Himalayan jet latitude or HJL) controls the region’s climate during winter and spring by guiding moisture-deliv…
Future Expansion of the Pacific Oxygen Minimum Zone
Global ocean oxygen loss - deoxygenation - is projected to persist in the future. Previous generations of Earth system models (ESMs) have, however, failed to provide a consistent …
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