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Pacific Walker circulation indices in ERA5 reanalysis
2023The Pacific Walker circulation (PWC) is an integral part of the tropical atmospheric circulation that influences weather patterns globally, including the global distribution of mean precipitation. It also affects the rate of global warming, sea-level rise, and the efficiency of ocean carbon absorption. Due to its importance, many indices have been used
Katarina Kosovelj, Žiga Zaplotnik
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ERA5: The new champion of wind power modelling?
Renewable Energy, 2018 Abstract Output from meteorological reanalyses are used extensively in both academia and industry for modelling wind power. Recently, the first batch of the new ERA5 reanalysis was released. The main purpose of this paper is to compare the performance of ERA5 and MERRA-2 (a commonly used reanalysis today) in terms of modelling i) the aggregated wind ...
Jon Olauson
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Canadian Water Resources Journal / Revue canadienne des ressources hydriques, 2022
ABSTRACT It has become apparent in recent decades that river water temperature can have immediate and lasting impacts on aquatic organisms and their lotic habitat. In rivers that are dammed, there is an opportunity and a responsibility to regulate flows in order to control these temperatures to ensure the survival of the fish and other aquatic life ...
Philippe Gatien +3 more
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ABSTRACT It has become apparent in recent decades that river water temperature can have immediate and lasting impacts on aquatic organisms and their lotic habitat. In rivers that are dammed, there is an opportunity and a responsibility to regulate flows in order to control these temperatures to ensure the survival of the fish and other aquatic life ...
Philippe Gatien +3 more
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Refined global atmospheric energy budget from ERA5
2022<p>Climate change is accelerating, and its implications are getting more severe every year. As the exchange of energy within the climate system plays a major role during this time, it becomes pivotal to track anomalous energy transports.
Johannes Mayer +2 more
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Aggregation–Disaggregation Cycles in ERA5 Reanalysis
Journal of ClimateAbstract Understanding convective aggregation is very important for understanding tropical climate and climate sensitivity. However, we still lack a full understanding of how aggregation evolves in the real world or what phenomena and scales are analogous to the self-aggregation observed in idealized models.
Vijit Maithel, Larissa Back
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Tropical Cyclone Seed Disturbances in ERA5
Journal of ClimateAbstract Tropical cyclone (TC) seed disturbances are moist synoptic-scale cyclonic circulation features that can potentially develop into TCs. This study tracks TC seed disturbances in the fifth major global reanalysis produced by the European Centre for Medium-Range Weather Forecasts for the period of 1980–2023 and investigates the ...
Daehyun Kim +6 more
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Quantification of gravity wave drag in ERA5 reanalysis
2023Internal gravity waves (GWs) are a ubiquitous component of atmospheric dynamics, propagating both horizontally and vertically through the atmosphere, interacting with other flow components and affecting regional to large-scale dynamics. Due to the wide spectrum of GWs, model dynamics in general circulation models (GCMs) can resolve only part of the ...
Zuzana Procházková +2 more
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Reliability of ERA5 and ERA5-Land reanalysis data in the Canadian Prairies
Theoretical and Applied Climatology, 2023Ali Fatolahzadeh Gheysari +3 more
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Comparison of ZTD derived from CARRA, ERA5 and ERA5-Land over the Greenland based on GNSS
Advances in Space Research, 2023Chunhua Jiang +7 more
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Detecting Location Errors with ERA5 Pseudo Stations
Significant efforts are made to eliminate biases from models and observations, especially at operational centres. However, these biases still significantly impact the quality of assimilated data products. In the case of numerical weather prediction, residual biases can result in suboptimal utilization of available data or even render them unusable.Clara Bezeau +7 more
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