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Showing 6101 to 6150 of 59105 works
Structural evolution of a crustal-scale seismogenic fault in a magmatic arc: The Bolfin Fault Zone (Atacama Fault Syste…
How major crustal-scale seismogenic faults nucleate and evolve in the crystalline basement represents a long-standing, but poorly understood, issue in structural geology and fault…
CCN Source Regions During RELAMPAGO-CACTI Field Campaign
Aerosols acting as cloud condensation nuclei (CCN) play a fundamental role in droplet formation and cloud development in the atmosphere. Several studies have focused on the repres…
Complicated lithospheric structure beneath the contiguous US revealed by teleseismic S reflections
Lithospheric discontinuities, including the lithosphere-asthenosphere boundary (LAB) and the enigmatic mid-lithospheric discontinuities (MLDs), hold important clues about the stru…
Sedimentary processes within the Canadian Arctic Archipelago: relationships among sedimentological, geochemical and mag…
The sedimentological, geochemical, physical and magnetic properties of 40 surface and basal sediment samples of box cores collected throughout the Canadian Arctic Archipelago (CAA…
Tropical analysis uncertainties and Kelvin waves: what can be learnt from the Aeolus wind profiles?
The European Space Agency Earth Explorer mission Aeolus with the first spaceborne Doppler Wind Lidar onboard provides the global coverage of wind profiles twice per day. This pape…
Reply to Comment on: ‘Unintentional unfairness when applying new greenhouse gas emissions metrics at country level’
This is a reply to a comment on the original research study with the title: ‘Unintentional unfairness when applying new greenhouse gas emissions metrics at country level’. This re…
Airborne measurements of surface albedo and leaf area index of snow-covered boreal forest
Helicopter based simultaneous measurements of broadband surface albedo and the effective leaf area index ( LAI eff ) were carried out in subarctic area of Finnish Lapland in sprin…
Fossil vs. non-fossil CO sources in the US: New airborne constraints from ACT-America and GEM
Carbon monoxide (CO) is an ozone precursor, oxidant sink, and widely-used pollution tracer. The importance of anthropogenic versus other CO sources in the US is uncertain. Here we…
Upper-bound General Circulation of Coupled Ocean-Atmosphere: Part 2. Ocean
This two-part paper considers the general circulation of the atmosphere (Part 1) and ocean (Part 2) within the deductive framework of our climate theory, which aims to derive the …
Comparing 1-year GUMICS-4 simulations of the Terrestrial Magnetosphere with Cluster Measurements
We compare the predictions of the GUMICS-4 global magnetohydrodynamic model for the interaction of the solar wind with the Earth’s magnetosphere with Cluster SC3 measurements for …
Acoustic backscatter and attenuation due to river fine sediments: experimental evaluation of models and inversion metho…
The hydroacoustic monitoring of suspended sediment concentration (SSC) in rivers is based on the inversion of backscatter and attenuation models. To evaluate such models, acoustic…
Column Relative Humidity and Primary Condensation Rate as Two Useful Supplements to Atmospheric River Analysis
Landfalling atmospheric rivers (ARs) frequently trigger heavy and sometimes prolonged precipitation, especially in regions with favored orographic enhancement. The presence and st…
Phase Space Density Analysis of Outer Radiation Belt Electron Energization and Loss during Geoeffective and Nongeoeffec…
Coronal mass ejection driven sheath regions are one of the key drivers of drastic outer radiation belt responses. The response can however be significantly different based on the …
Reducing Effects of Swath Gaps on Unsupervised Machine Learning Models for NASA MODIS Instruments
Due to the nature of their pathways, NASA Terra and NASA Aqua satellites capture imagery containing “swath gaps” which are areas of no data. Swath gaps can overlap the region of i…
Modeling and validating a SuperDARN radar's power density profile
We have developed a model that simulates the power density profile of the Saskatoon Super Dual Auroral Radar Network (SuperDARN) radar at ionospheric altitudes. The model uses ray…
Analysis of particulate pollution (PM10 and PM2.5 in the dry season in Abidjan and Korhogo (Cote d’Ivoire)
For the first time to our knowledge, the aim of this study is to investigate the spatial variation of atmospheric particulate matter concentrations in Abidjan and Korhogo (Cote d’…
Geophysical Inversion Using a Variational Autoencoder to Model an Assembled Spatial Prior Uncertainty
Prior information regarding subsurface patterns may be used in geophysical inversion to obtain realistic subsurface models. Field experiments require prior information with suffic…
Mass transfer into the leading edge of the mantle wedge: Initial results from Oman Drilling Project Hole BT1B
This paper provides an overview of research on core from Oman Drilling Project Hole BT1B and the surrounding area, plus new data and calculations, constraining processes in the Te…
Prolonged rock exhumation at the rims of kilometer-scale lunar craters
Fresh impact ejecta deposits on the lunar surface can be characterized as heterogeneous mixtures of boulders, cobbles, and fine-grained regolith that are deposited on the lunar su…
Investigating the impact of land surface characteristics on monsoon dynamics with idealized model simulations and theor…
Monsoons emerge over a range of land surface conditions and exhibit varying physical characteristics over the seasonal cycle, from onset to withdrawal. Systematically varying the …
Flows, transport, and form drag in intertidal salt marsh creeks
Intertidal creeks (<5m width) weave through salt marshes, delivering water, nutrients, and sediments into the marsh interior and alter spatial heterogeneity in plant and animal di…
Elucidating the Impacts of COVID-19 Lockdown on Air Quality and Ozone Chemical Characteristics in India
India implemented stay-at-home order (i.e. lockdown) on 24 March 2020 to decrease the spread of novel COVID-19, which reduced air pollutant emissions in different sectors. The Wea…
Impact of sea-ice dynamics on the spatial distribution of diatom resting stages in sediments of the Pacific Arctic regi…
The Pacific Arctic region is characterized by seasonal sea-ice, the spatial extent and duration of which varies considerably. In this region, diatoms are the dominant phytoplankto…
Classification of the Below-Cloud Mixing State Over the Southern Ocean Using In-Situ and Remotely-Sensed Measurements
We demonstrate that the relationship between the abundance of particulate surface area observed at sea-level and measurements of backscattered light by a ceilometer can be used to…
Climate controls on the interseasonal and interannual variability of the surface mass balance of a tropical glacier (Zo…
The application of a distributed energy balance model over 9 years at an hourly time step to a 20 x 20 m grid cell over Glacier Zongo (Bolivia, 16°S) enabled assessment of the cli…
ANGULAR MODELING OF THE COMPONENTS OF NET RADIATION IN AGRICULTURAL CROPS AND ITS IMPLICATIONS ON ENERGY BALANCE CLOSURE
Efficient water management in agricultural crops is necessary to increase productivity and adapt to climate change. Evapotranspiration (ET) data are key to determine water require…
Large-volume and shallow magma intrusions in the Blackfoot Reservoir Volcanic Field (Idaho, USA)
The Blackfoot Reservoir volcanic field (BRVF), Idaho, USA, is a bimodal volcanic field that has hosted explosive silicic eruptions during at least two episodes, as recently as 58 …
Auroral heating of plasma patches due to high-latitude reconnection
This study exploits the volumetric sampling capabilities of the Resolute Bay Incoherent Scatter Radar (RISR-N) in collaboration with all-sky imagery and in-situ measurements (DMSP…
Comparison of original orbits of Oort Cloud new comets given in various catalogues II. Different solutions from differe…
Recent observational and theoretical studies have greatly revealed the dynamical nature of the Oort Cloud and its evolutionary history. However, many issues are yet to be known. O…
On the size dependence of cumulus cloud spacing
In this study the spatial structure of Trade Wind shallow cumulus populations is investigated as diagnosed from large-domain high resolution cloud-resolving simulations. The main …
Night-time Ionospheric Localized Enhancements (NILE) Observed in North America Following Geomagnetic Disturbances
The Ionospheric Data Assimilation Four-Dimensional (IDA4D) technique has been coupled to Sami3 is Another Model of the Ionosphere (SAMI3). In this application, ground- and space-b…
Evidence for the 3D radiative effects of boundary-layer clouds from observations of direct and diffuse surface solar fl…
Numerical experiments have revealed the importance of horizontal transport of light in the presence of clouds (“3D effects’), with consequences for climate, weather and solar reso…
A Fast Monotone Discretization of the Rotating Shallow Water Equations
This paper presents a new discretization of the rotating shallow water equations and a set of decisions, ranging from a simplification of the continuous equations down to the impl…
Report to NSF on AGU community recommendations and ideas regarding implementing Climate Change Solutions
Several bills moving through Congress are likely to provide significant funding for expanding research and results in climate change solutions (CCS). This is also a priority of th…
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