Results 131 to 140 of about 19,106,941 (280)

Spatio‐temporal dynamics of ringed seal density and habitat use in the Arctic's Last Ice Area

open access: yesEcography, EarlyView.
The Arctic is warming at approximately four times the global rate, driving widespread decline in sea ice extent, thickness, and seasonal duration. The ecological consequences of these rapid changes remain poorly understood within the Last Ice Area, a region that includes northern Ellesmere Island and the northwest of Greenland, projected to retain ...
Roxanne D. MacLean   +9 more
wiley   +1 more source

ORCHARD: A General Planetary Evolution Code

open access: yesThe Astrophysical Journal
We present ORCHARD , a publicly available planetary evolution code based on the gas giant evolution code, APPLE , capable of modeling the evolution and structures of terrestrial, super-Earth, sub-Neptune, Neptune, and gas giant planets and exoplanets ...
Roberto Tejada Arevalo   +3 more
doaj   +1 more source

Comparison between environmental impacts generated during the implementation phase of a hydroelectric power plant and a photovoltaic power plant

open access: yesEnvironmental Progress &Sustainable Energy, EarlyView.
Abstract This study analyzes the environmental impacts associated with the implementation phase of a photovoltaic power plant, comparing them to the impacts of a hydroelectric power plant, based on real data obtained from Environmental Impact Assessments (EIA) and Environmental Impact Reports (RIMA).
Louise Molnar Fedyna   +2 more
wiley   +1 more source

Super-Earth Formation with Slow Migration from a Ring in an Evolving Peaked Disk Compatible with Terrestrial Planet Formation

open access: yesThe Astrophysical Journal
For the origin of the radially concentrated solar system’s terrestrial planets, planet formation from a ring of solids at about 1 au from the Sun with convergent/suppressed type I migration is preferred.
Masahiro Ogihara   +2 more
doaj   +1 more source

Numerical Design and Performance Optimization of Lead‐Free CsSnGeI3 Perovskite Solar Cells Using Cu2O Hole Transport Layer via SCAPS‐1D

open access: yesEnergy Science &Engineering, EarlyView.
The optimal structure of the device FTO/ZnS/CsSnGeI3/Cu2O/Au consists of a CsSnGeI3 absorber layer and ZnS as the buffer layer, FTO as the electron transport layer, and Cu2O as the hole transport layer. For the back contact, gold is utilized. According to the current density–voltage curve, efficiency increases with thickness concurrently.
Shahariar Hasan Rumel   +2 more
wiley   +1 more source

Techno‐Economic Assessment of Large‐Scale Renewable Energy Systems: A Case Study in the Gulf Cooperation Council

open access: yesEnergy Science &Engineering, EarlyView.
A consistent 3 GW hybrid solar–wind configuration was assessed across five GCC locations, revealing substantial regional differences in energy yield and economic performance. Saudi Arabia and Oman achieved the highest generation and lowest LCOE, while the systems delivered substantial CO2 emission reductions across the region.
Ammar Al Sawafi   +8 more
wiley   +1 more source

Putting the Chaos and Instability of the Terrestrial Planets in Context

open access: yes, 2013
Past work has shown that the dynamical evolution of the solar system's terrestrial planets is chaotic. Further, the inner planets seem to be near the edge of stability, as Mercury has a ~1% chance of colliding with the Sun or Venus in the next 5 Gyrs ...
Lithwick, Y.   +2 more
core   +2 more sources

A New 2D Energy Balance Model for Simulating the Climates of Rapidly and Slowly Rotating Terrestrial Planets

open access: yesThe Planetary Science Journal
Energy balance models (EBMs), alongside radiative–convective climate models and global climate models (GCMs), are useful tools for simulating planetary climates.
Ramses M. Ramirez
doaj   +1 more source

Triboelectric nanogenerators for vehicle intelligent cockpits

open access: yesFlexMat, EarlyView.
Converting mechanical stimuli from drivers and vehicle motion into electrical signals, triboelectric nanogenerators provide promising interfaces toward passive, flexible, distributed and intelligent sensing for next‐generation automotive cockpits to support three core functional dimensions: driver state monitoring, vehicle state monitoring, and human ...
Haiqiu Tan   +9 more
wiley   +1 more source

Transforming Agricultural Water Management Through the Water–Energy–Food Nexus: Trends, Opportunities, Barriers and Solutions

open access: yesIrrigation and Drainage, EarlyView.
ABSTRACT Agricultural water management (AWM) is increasingly transitioning towards transformative thinking, where interconnected sectors, including water, energy and food, are managed holistically. Trends point towards cross‐sectoral and harmonised strategies to optimise water use efficiency and productivity, integrate renewable energy, promote ...
Luxon Nhamo   +5 more
wiley   +1 more source

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