Results 41 to 50 of about 597 (201)
With the succession of river basins and inter-basin hydropower stations, the joint optimal operation of cascade hydropower stations in the river basin has large-scale, nonlinear, strong coupling, and multi-target characteristics, and must consider the ...
Li Mo +3 more
doaj +1 more source
The influence of rivers on seabird foraging ecology
ABSTRACT Rivers act as vital arteries to the world's oceans, delivering fresh water and nutrients that sustain marine ecosystems. Globally, river flow increasingly is being altered by climate change and anthropogenic pressures; yet the significance of rivers to predatory marine species, such as seabirds, and the extent to which river‐related changes ...
Julia B. Morais +2 more
wiley +1 more source
Production Planning of Cascaded Hydropower Stations using Approximate Dynamic Programming
We formulate the day-ahead bidding problem for a hydropower producer having several hydropower plants residing in a river basin. We present a novel approach inspired by Dynamic programming with approximations in value and policy space by neural networks.
Marcial, Alexander, Perninge, Magnus
openaire +2 more sources
Airborne Observations Reveal Underestimated Riverine Methane Emissions Across the Amazon
Abstract Strongly increasing trends in global methane in recent decades highlight the importance of understanding source‐sink attributions and climate feedback mechanisms, especially for large natural sources like wetlands. Here, we present an analysis of airborne methane observations above the Amazon Basin conducted from December 2022 through January ...
Linda Ort +11 more
wiley +1 more source
The paper conducts an in-depth study on the real-time dispatching involved in joint operation among giant cascade hydropower stations with high-intensity peak-load and frequency regulation demand, and proposes anintelligent load control technology for ...
Luo Wei, Zhong Qingxiang, Gu Faying
doaj +1 more source
Preliminary Exploration of Establishing a Spot Quotation Alliance for Cascade Hydropower Stations
Abstract For the spot electricity market, the quotation combining the hydropower stations is more resistant to uncertainties of runoff and spot price in market bidding. Therefore, it is of great significance to set up a spot quotation system for these hydropower stations.
Yi Sun +5 more
openaire +1 more source
Modelling bedload transport at the network scale in a glacier‐fed Alpine river system
We adapted the network‐scale sediment transport and connectivity model D‐CASCADE for Alpine environments and applied it to the Sulden/Solda catchment (Italy). For the first time, we validate the model with continuous bedload measurements at the catchment outlet and evaluate the plausibility of bedload dynamics along the river network with field ...
Felix Pitscheider +7 more
wiley +1 more source
In order to meet the challenges brought by the high penetration of intermittent and fluctuating wind and solar power, a short-term optimal scheduling model for wind-solar-hydro hybrid generation system with cascade hydropower is established with the ...
Jun Xie +5 more
doaj +1 more source
Characterisation of Drought and Wet Events in the Paraíba do Sul River Basin—Brazil
Trend analysis identified statistically significant reductions in precipitation (at the 5% significance level) at specific pluviometric stations in São Paulo and Rio de Janeiro, while other areas, mainly in Minas Gerais, experienced significant increases in annual and seasonal rainfall, particularly during summer and spring. These significant trends at
Gildo Rafael de Almeida Santana +4 more
wiley +1 more source
On ecological operation of cascade hydropower stations along Wujiang River in Guizhou province
In order to protect aquatic system health of Wujiang River and achieve the win-win goal of the water energy resources development and ecological environment, the ecological operation of cascade hydropower stations along Wujiang River in Guizhou provience
LYU Wei +3 more
doaj +1 more source

