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Showing 3651 to 3700 of 22070 works
Understanding model-observation discrepancies in satellite retrievals of atmospheric temperature using GISS ModelE
We examine multiple factors in the representation of satellite-retrieved atmospheric temperature diagnostics in historical simulations of climate change during the satellite era (…
ENA imaging simulation of the distant planetary magnetosphere and ENA emission discussion of the solar wind
Whether the “ENA ribbon” image scanned remotely by IBEX-Hi at the lunar Resonance orbit really comes from the heliopause? It involves assessing the scale of solar wind particle lo…
Terrain Trees Library: a tool for efficient and scalable terrain mesh processing
In light of the increased availability of massive point cloud data, acquired by advanced remote sensing techniques, software tools for their efficient representation and processin…
Identification of a lumped, mass-conserving rainfall-discharge model of the Amazon basin for GRACE data assimilation
Previous work based on Gravity Recovery and Climate Experiment (GRACE) data has shown that for certain large river basins like the Amazon, the empirical storage-discharge relation…
Integrated Dynamics-Physics Coupling for Weather to Climate Models: GFDL SHiELD with In-Line Microphysics
We propose an integrated dynamics-physics coupling framework for weather and climate-scale models. Each physical parameterization would be advanced on its natural time scale, revi…
MICROPLASTICS IN THE FOOD CHAIN
The world surrounding us is more over covered with plastics and we are in a “plastic era”. The bigger plastic materials, as the time moves, disintegrate into micro or nano particl…
Reconstruction of Precipitating Electrons and Three-Dimensional Structure of a Pulsating Auroral Patch from Monochromat…
In recent years, auroral observation networks using high-sensitivity cameras have been developed in the polar regions. These networks allow us to observe dimmer auroras such as pu…
Regional map of molecular water at high southern latitudes on the Moon using 6 µm data from the Stratospheric Observato…
A map of surface molecular water was derived from long slit spectroscopy of the south polar region of the Moon using the Faint Object infraRed CAmera for the SOFIA Telescope (FORC…
Groundwater Flow Modelling Using Visual MODFLOW Flex- A Case Study of Thuthapuzha sub-basin, Kerala, India
India is the largest user of groundwater in the world, accounting for a quarter of the world’s annual groundwater extraction. In Kerala, a state in Southern India, groundwater is …
Circumpolar variations in the chaotic nature of Southern Ocean eddy dynamics
Circulation in the Southern Ocean is unique. The strong wind stress forcing and buoyancy fluxes, in concert with the lack of continental boundaries, conspire to drive the Antarcti…
Rainfall as a Driver for Near-Surface Turbulence and Air-Water Gas Exchange in Aquatic Systems
Gas exchange at air-water interfaces is regulated by near-surface turbulence and can be controlled by different atmospheric forcing conditions, with wind speed and surface buoyanc…
Ground surface displacement after a forest fire near Mayya, Eastern Siberia, using InSAR: Observation and implication f…
Forest fires significantly impact permafrost degradation in the subarctic regions. However, inter-annual and seasonal variations in surface deformation due to permafrost thawing i…
A guide to scenarios for the PROVIDE project
Several objectives of the PROVIDE project depend on a set of scenarios that can be modelled through either a ‘classical’ forward-looking approach or by a novel approach that ‘reve…
Dynamic Data Assimilation for Improved Streamflow Forecast Using Sensitive Soil Moisture Observations
The accuracy of streamflow forecasts is important for efficient monitoring and mitigation of flood events. Unfortunately, the uncertainty in the model control variable which inclu…
Water Observations from Space: accurate maps of surface water through time for the continent of Africa
Earth observation of waterbodies through time is a powerful tool in understanding both the location of waterbodies and their temporal dynamics. Water Observations from Space (WOfS…
Model-free approach for regional ionospheric multi-instrument imaging
The article proposes a straightforward Kalman filter-based method for computationally efficient ionospheric electron density multi-instrument imaging. The approach uses direct ion…
gPCE Uncertainty Quantification Modeling for Bathymetric LiDAR and Earth Science
NASA’s 2021 STV Incubation Study Report lists vertical (horizontal, geolocation) accuracy as an associated SATM product parameter for all (most) identified Science and Application…
Tomography-Based Convection and Melt Generation Beneath the Rungwe Volcanic Province, East Africa
Within the Western Branch of the East African Rift (EAR), volcanism is highly localized, which is distinct from the voluminous magmatism seen throughout the Eastern Branch of the …
Climatic, hydrological and karst geological controls on groundwater recharge: the view from an Australian vadose zone c…
In water-limited environments, quantifying the timing and frequency of erratic rainfall recharge events and its climate forcing is of critical importance for groundwater resource …
Ensemble-Based Experimental Design for Targeted High-Resolution Simulations to Inform Climate Models
Targeted high-resolution simulations driven by a general circulation model (GCM) can be used to calibrate GCM parameterizations of processes that are globally unresolvable but can…
Subduction initiation at the Soloman back-arc basin: Contributions from both island arc rheological strength and oceani…
It is generally accepted that the subduction polarity reversal (SPR) results from the strong collision of two plates. Yet, the SPR of the Solomon Back-arc Basin is started in the …
On the Verge of IMERG Version 07
Development is well-advanced for the next version of the Integrated Multi-satellitE Retrievals for the Global Precipitation Measurement (GPM) mission (IMERG), labeled Version 07. …
A tempered particle filter to enhance the assimilation of SAR derived flood extent maps into flood forecasting models.
Data Assimilation (DA) is a powerful tool to optimally combine uncertain model simulations and observations. Among DA techniques, the Particle Filter (PF) has gained attention for…
Westward-propagating Moisture Mode over the Tropical Western Hemisphere
A westward-propagating Rossby-like wave signal is found to explain a large fraction of the intraseasonal variance in cloud brightness over the western hemisphere. A series of diag…
The 2021 Pacific Northwest heat wave and associated blocking: meteorology and the role of an upstream cyclone as a diab…
We investigate the meteorological and dynamical conditions that led to the extreme heat in the Pacific Northwest from late June to early July 2021. The extreme heat was preceded b…
In-situ Vp/Vs ratio reveals fault-zone material variation at the westernmost Gofar transform fault, East Pacific Rise
Ocean transform faults often generate characteristic earthquakes that repeatedly rupture the same fault patches. The westernmost Gofar transform fault quasi-periodically hosts ~M6…
Under-Displaced Normal Faults: Strain Accommodation along an Early-Stage Rift-Bounding Fault in the Southern Malawi Rift
One of the fundamental problems in continental rift segmentation and propagation is how strain is accommodated along large rift-bounding faults (border faults) since the segmentat…
Carbon Budgets in Northwestern Gulf of Mexico Coastal Estuaries
As coastal areas become more vulnerable to climatic impacts, the need for understanding estuarine carbon budgets with sufficient spatiotemporal resolution arises. Under various hy…
Electrical resistivity tomography and magnetometry surveying of a ~500-1532 CE Manteño culture archeological site close…
Geophysical methods are very useful in archeological prospection by providing an inexpensive, non-invasive view of the subsurface, and, helping the archeologists to better target …
Association of Cloud Vertical Structure and Aerosols studied over Delhi Megacity.
The understanding of the atmospheric dynamics and thermodynamics in the time of climate change has become an unavoidable necessity for survival of humanity. We need to fill the re…
A 3-D, Technicolor Zombie: Joint Analysis of Multidisciplinary Geophysical and Geochemical Data at Uturuncu Volcano, Bo…
Uturuncu volcano in southern Bolivia is a member of a distinctive class of volcanoes – systems that show unrest despite not having erupted in the Holocene. Uturuncu has not erupte…
Imaging-Based 3D Reconstruction of Sample Mass Lost from the OSIRIS-REx Spacecraft
On October 20, 2020, NASA’s OSIRIS-REx spacecraft performed its Touch-and-Go (TAG) activity, in which it briefly contacted the surface of the asteroid Bennu and successfully colle…
Essential Teamwork Skills: Perspectives of Environmental Geoscience Employers
Geoscience employers have increasingly called for the future workforce (students) to demonstrate competence in non-technical skills, including teamwork. This descriptive qualitati…
Automating the classification of surging glaciers in Svalbard
Surge-type glaciers are present in many cold environments in the world. These glaciers experience a dramatic increase in velocity over short time periods, the surge, followed by a…
Impact of Sea Level Rise on Overtopping, Wave Load, and Erosional Power: The Case of The Glass Window Bridge, Eleuthera…
The Glass Window Bridge Located in Eleuthera, The Bahamas, is the only bridge connecting Eleuthera’s northern and southern mainland, facing the Atlantic Ocean to the east and the …
Model for the Energetic Particles Spectrum at Interplanetary Shocks resulting from Acceleration and Escape sourced by a…
Charged particles accelerated by interplanetary shocks can escape from the shock without returning to it. However, the simplest version of the model of Diffusive Shock Acceleratio…
Uncertainty in projected changes in precipitation minus evaporation: dominant role of dynamic circulation changes and w…
End of century projections from Coupled Model Intercomparison Project (CMIP) models show a decrease in precipitation over subtropical oceans that often extends into surrounding la…
Something missing: Andean cryosphere research comic
A short watercolor comic about the broken connection between humans and mountains. Funded by Sharing Science grants of the AGU, 2021
Global System for Atmospheric Modeling: Model Description and Preliminary Results
The extension of a cloud-resolving model, the System for Atmospheric Modeling (SAM), to global domains is described. The resulting global model, gSAM, is formulated on a latitude-…
Addressing Current Problems with Achieving Physical Consistency Across the Electromagnetic Spectrum Between Ice Crystal…
During the forthcoming decade and beyond there will be a plethora of global space-based active and passive measurements of cirrus and ice cloud. These measurements will be across …
Climatology of transport in the Strait of Belle Isle
Seasonal and inter-annual variability of transport in the Strait of Belle Isle (SBI) were examined using 14 years of moored ADCP data. Tidal currents were largely along strait and…
Arctic Sea Ice Thickness estimation from passive microwave satellite observations between 1.4 and 36 GHz
Arctic sea ice thickness (SIT) have been mostly retrieved from microwaved and visible altimeters since the 2000s. However, the repeatability of altimeters and their spatial covera…
Impacts of Model Horizontal Resolution on Mean Sea-Surface Temperature Biases in the Community Earth System Model
Impacts of model horizontal resolution on sea-surface temperature (SST) biases are studied using high-resolution (HR) and low-resolution (LR) simulations with the Community Earth …
Improving the prediction of the Madden-Julian Oscillation of the ECMWF model by post-processing
The Madden-Julian Oscillation (MJO) is a major source of predictability on the sub-seasonal (10- to 90-days) time scale. An improved forecast of the MJO, may have important socioe…
A non-column based, fully unstructured implementation of Kessler's microphysics with warm rain using continuous and dis…
Numerical weather prediction is pushing the envelope of grid resolution at local and global scales alike. Aiming to model topography with higher precision, a handful of articles i…
Progress in Understanding the Low Marine Cloud-Aerosol Interactions during CSET using LES
Low marine clouds are a major source of uncertainty in cloud simulations across models from LES to global scale. To address this issue, we conducted Lagrangian LES experiments tha…
The nontraditional Coriolis terms and convective system propagation
This study explores effects of the nontraditional Coriolis terms (NCTs) on convective system propagation in radiative-convective equilibrium (RCE). NCTs are restored to the System…
EASYDAB (Earth System Data Branding): Enhancing the Findability and the Reuse of FAIR and Open Data
Even though in Earth System Sciences (ESS) the importance of good research data management has been widely discussed, the easy discoverability of quality-checked data has not yet …
Estimating historical air-sea CO2 fluxes: Incorporating physical knowledge within a data-only approach
The ocean plays a critical role in reducing human impact on the global climate by absorbing and sequestering CO2 from the atmosphere. To quantify the ocean’s role in the global ca…
Enhanced Southern Ocean biomass with increased Diapycnal mixing
The Southern Ocean (SO) is the worlds largest high nutrient low chlorophyll region, and has a plentiful supply of underutilised macronutrients due to light and iron limitation. Th…
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