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Showing 601 to 650 of 8313 works
Absolute instability of moisture-coupled waves on the equatorial beta-plane
The instabilities produced by a linear model of the tropical atmosphere coupled to a prognostic equation for water vapour are investigated. For parameter regimes relevant to the I…
European summer synoptic circulations and their observed 2022 and projected influence on hot and dry extremes
In 2022, western Europe experienced its hottest summer on record and widespread dry conditions, with substantial impacts on health, water and vegetation. Here we use a reanalysis …
Spatiotemporal variability of extreme precipitation events and associated atmospheric processes over Dronning Maud Land…
We investigate the spatial and temporal variability of extreme precipitation events (EPEs) in the Dronning Maud Land (DML) sector of Antarctica using high-resolution ECMWF ERA5 re…
Civic Habitus and the Challenges of Depoliticized Participatory Irrigation Management Reforms: Insights from Pakistan
In 1980, the World Bank began to promote Participatory Irrigation Management (PIM) reforms to overcome disparities in the distribution of public irrigation water for agricultural …
Mercury’s Field-aligned Currents: Perspectives from Hybrid Simulations
Previous studies suggested that Mercury’s terrestrial-like magnetosphere could possess Earth-like field-aligned currents (FACs) despite having no ionosphere. However, due to the l…
Comments on “Reconsidering the Relationship Between Gulf Stream Transport and Dynamic Sea Level at U.S. East Coast” by …
Numerous recent studies found significant correlations between weakening of the Gulf Stream (GS) and rising coastal sea level (CSL) along the U.S. East Coast. Based on monthly alt…
Comparison of global Joule heating estimates in GITM, TIE-GCM and empirical formulations during St. Patrick's Day 2015 …
It is well known that the primary solar wind energy dissipation mechanism in the Earth’s upper atmosphere is Joule heating. Two of the most commonly used physics-based Global Circ…
Transformation of Precursor Iron(III) Minerals in Diagenetic Fluids: Potential Origin of Gray Hematite at Vera Rubin Ri…
Coarse-grained (> 3-5 µm) gray hematite particles occur at Vera Rubin ridge (VRR) within Gale crater, Mars. VRR has likely undergone multiple episodes of diagenesis, at least one …
The impact of human-induced climate change on future tornado intensity as revealed through multi-scale modeling
A novel, multi-scale climate modeling approach is used to show the potential for increases in future tornado intensity due to anthropogenic climate change. Historical warm- and co…
Automated Detection and Tracking of Low Latitude Plasma Bubbles Utilizing Global-Scale Observations of the Limb and Dis…
Plasma bubbles are regions of depleted plasma within the upper thermosphere/ionosphere that form during post-sunset hours near the magnetic equator. These structures tend to align…
An analytical framework to understand flash drought mechanisms
Understanding the physical mechanisms which contribute towards the rapid intensification of flash droughts is crucial for improving their forecasts. These mechanisms are difficult…
Phase-field simulation of texture evolution in magmatic rocks
The tool of phase-field modeling for the prediction of chemical as well as microstructural evolution during crystallization from a melt in a mineralogical system has been develope…
Climate Projections Very Likely Underestimate Future Volcanic Forcing and its Climatic Effects
Standard climate projections represent future volcanic eruptions by a constant forcing inferred from 1850-2014 volcanic forcing. Using the latest ice-core and satellite records to…
Particle-In-Cell simulation of electrostatic waves in the ionosphere
In the space atmosphere, plasma with two electron components is very common. The cold species of electron (\(T_{e}\sim 1\) eV) usually originate in the ionosphere, while the hot e…
A Remote Sensing-Based Method for Generating a Global Continuous Carbon Dioxide Concentration Dataset
The global carbon dioxide (CO 2 ) concentration has shown a consistent and substantial increase over the years, representing the dominant component of greenhouse gases (GHGs). H…
A Lagrangian estimate of the Mediterranean outflow's origin.
The origin of the Mediterranean Outflow is investigated by deploying six millions virtual Lagrangian parcels at the Strait of Gibraltar, and tracing them backward in time using ve…
Prediction of future Alaskan lake methane emissions using a small-lake model coupled to a regional climate model
Methane emissions from lakes will increase with climate warming. However, CH4 these emissions are not presently in the surface schemes of Global Climate Models (GCMs). Because cli…
Evaluation of a Stochastic Mixing Scheme in the Deep Convective Gray Zone Using a Tropical Oceanic Deep Convection Case…
A stochastic horizontal subgrid-scale mixing scheme is evaluated in ensemble simulations of a tropical oceanic deep convection case using a horizontal grid spacing (Δh) of 3 km. T…
Numerical analysis of the contemporary interaction between the Phoenix Metro Area Urban Boundary Layer and the local th…
Anthropogenic modification of natural landscapes to urban environments impacts land-atmosphere interactions in the boundary layer. Ample research has demonstrated the effect of su…
A Near-Vertical Slab Tear in the Southeastern Solomon Islands
The Solomon Islands is one of the most seismically active areas in the southern Pacific with high earthquake hazard potential. The regional seismic network, equipped with six broa…
Biomarker evidence for an MIS M2 glacial-pluvial in the Mojave Desert before warming and drying in the late Pliocene
Ancient lake deposits in the Mojave Desert indicate that the water cycle in this currently dry place was radically different under past climates. Here we revisit a 700 m core dril…
Moulin density impacts the effect of subglacial hydrology on ice dynamics
The current increase in temperature over Greenland and other glaciated regions allows for more surface melt, which poses the question of the impact of this extra amount of meltwat…
Flow structures with high Lagrangian coherence promote diatom blooms in oligotrophic waters
Diatoms are among the most efficient marine organisms for primary production and carbon sequestration, absorbing at least 10 billion tonnes of carbon dioxide every year. Yet, the …
Long-Term Seasonal Trends in Sources and Pathways of Trans-Atlantic Dust Plumes and their Implications for Transport of…
New information is needed about the potential sources and pathways of trans-Atlantic dust plumes. Such knowledge has important implications for the long-distance transport and sur…
The temperature and composition of the mantle sources of Martian basalts
The composition of basaltic melts in equilibrium with the mantle can be determined for several Martian meteorites and in-situ rover analyses. We use the melting model MAGMARS to r…
Lateral Variations Across the Southern San Andreas Fault Zone Revealed from Analysis of Traffic Signals at a Dense Seis…
We image the shallow seismic structure across the Southern San Andreas Fault (SSAF) using signals from freight trains and trucks recorded by a dense nodal array, with a linear com…
Influence of parameterization changes on Arctic low cloud properties and cloud radiative effects in two versions of the…
Arctic clouds play a key role in Arctic climate variability and change; however, contemporary climate models struggle to simulate cloud properties accurately. Model-simulated clou…
The Saharan dust plume: Current knowledge on the impact on health, human activities, and the ecosystem, with comments o…
A massive amount of dust estimated at a million tons is released from the Sahara Desert each year into the atmosphere and travels over the North Atlantic Ocean, commonly referred …
Patterns and trends in Chlorophyll-a concentration and phytoplankton phenology in the biogeographical regions of Southw…
The Southwestern Atlantic Ocean (SAO), is considered as one of the most productive areas of the world, with high abundance of ecologically and economical important fish species. Y…
Postfire Snow Albedo and Forest Structure Recovery Drive Decadal Watershed Scale Reductions in Snow-Water Storage and S…
Forest fires darken snow albedo and degrade forest structure altering snowpack energy balance, peak snow volume and snowmelt timing for up to 15 years following burn. To date, thr…
Ice Concentration Scaling Laws for Freshwater Lakes in Numerical Weather and Climate Prediction
If lake ice is assumed to deform and fail as a linear viscoelastic material under the action of wind stress, then a simple ice concentration scaling law can be constructed suitabl…
A comparison of auroral oval proxies with the boundaries of the auroral electrojets
The boundaries of the auroral oval and auroral electrojets are an important source of information for understanding the coupling between the solar wind and the near-earth plasma e…
A novel gravity wave transport parametrization for global chemistry climate models: description and validation
The gravity wave drag parametrization of the Whole Atmosphere Community Climate Model (WACCM) has been modified to include the wave-driven atmospheric vertical mixing caused by pr…
Influence of initial slab dip, inter-plate coupling, and nonlinear rheology on dynamic weakening at the lithosphere-ast…
The slab dip and long-term coupling at the plate interface can vary both between and within subduction zones. How these variations affect the long-term subduction dynamics and man…
Contribution of fresh submarine groundwater discharge to the Gulf of Alaska
High latitude mountain environments are experiencing disproportionately adverse effects from climate change. The Gulf of Alaska (GoA) region is an embodiment of this change, parti…
Simulations and Experiments using Satellite -retrieved Carbon Monoxide (CO) as a Speciated Proxy of smoke Aerosol Layer…
Understanding the vertical structure of atmospheric aerosol is important for solar radiometric study across all spectra. This work pertains to three relevant Southern Hemispheric …
Multiscale CO budget estimates across South America: quantifying local sources and long range transport
South America is a large continent situated mostly in the Southern Hemisphere (SH) with complex topography and diverse emissions sources. However, the atmospheric chemistry of thi…
Anaerobic respiration and temperature response along a boreal hydrological transect on a slope from upland forest to pe…
Climatic warming is predicted to affect high-latitude habitats, such as boreal peatlands, at a larger magnitude than the global average. The controls on the breakdown of organic m…
Drought-flood Underlying Interactions over Global Environments
Drought and floods affect the structure, composition, and the function of global environments and thus human societies. Although several studies exist on both droughts and floods,…
An ARGO and XBT observing system for the Atlantic Meridional Overturning Circulation and Meridional Heat Transport (AXM…
Changes in the Atlantic Meridional Overturning Circulation (AMOC) and associated Meridional Heat Transport (MHT) can affect climate and weather patterns, regional sea levels, and …
Influence of Region-dependent Error Growth on the Predictability of Tropical Cyclone Track and Intensity in High-resolu…
Further extension of skillful prediction of tropical cyclones (TCs) relies on in-depth studies about the intrinsic predictability of TCs. In this study, convection-resolving ensem…
How realistic are multi-decadal reconstructions of GRACE-like total water storage anomalies?
The Gravity Recovery and Climate Experiment (GRACE) mission has monitored total water storage anomalies (TWSA) globally with unprecedented resolution and accuracy since 2002. Howe…
Uncertainty reduction and environmental justice in air pollution epidemiology: the importance of minority representation
Ambient air pollution is an increasing threat to society, with rising numbers of adverse outcomes and exposure inequalities across the globe. Reducing uncertainty in health outcom…
Properties of the Nili Fossae Olivine-phyllosilicate-carbonate lithology: orbital and in situ at Séítah
We have studied the observed properties of the Nili Fossae olivine-phyllosilicate-carbonate lithology from orbital data and in situ by the Mars 2020 rover at the Séítah unit in Je…
Spatial and Temporal Changes in Nutrient Source Contribution in a Lowland Catchment within the Baltic Sea Region under …
Currently, climate change is considered as an important factor affecting nutrient loads introduced through riverine systems into the Baltic Sea. Although the prospect of a large i…
Constraining historical earthquake sequences with Coulomb stress models: an example from western Turkey
Knowledge of earthquake source faults is crucial to calculate robust Coulomb stress models. However, source faults are often poorly constrained, especially for pre-instrumental ev…
Response of the current climate to land-ocean contrasts in parameterized cumulus entrainment
Cumulus entrainment substantially regulates the earth’s climate but remains poorly constrained in global climate models. Recent studies have shown that cumulus bulk entrainment (o…
A possible long-term and very-deep aseismic slip event activating seismicity off Tohoku
Various slips at plate interfaces in subduction zones have been documented, and the role of aseismic slips in strain release and stress re-distribution has been revealed. Prior to…
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