Thematische Bibliographien / Kilometer-scale model

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Auswahl der wissenschaftlichen Literatur zum Thema „Kilometer-scale model“

Autor: Grafiati

Veröffentlicht am 30. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Zeitschriftenartikel zum Thema "Kilometer-scale model"

Schär, Christoph, Oliver Fuhrer, Andrea Arteaga, et al. "Kilometer-Scale Climate Models: Prospects and Challenges." Bulletin of the American Meteorological Society 101, no. 5 (2020): E567—E587. http://dx.doi.org/10.1175/bams-d-18-0167.1.

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Abstract Currently major efforts are underway toward refining the horizontal resolution (or grid spacing) of climate models to about 1 km, using both global and regional climate models (GCMs and RCMs). Several groups have succeeded in conducting kilometer-scale multiweek GCM simulations and decadelong continental-scale RCM simulations. There is the well-founded hope that this increase in resolution represents a quantum jump in climate modeling, as it enables replacing the parameterization of moist convection by an explicit treatment. It is expected that this will improve the simulation of the

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Mittermaier, M. P., and G. Csima. "Ensemble versus Deterministic Performance at the Kilometer Scale." Weather and Forecasting 32, no. 5 (2017): 1697–709. http://dx.doi.org/10.1175/waf-d-16-0164.1.

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Abstract What is the benefit of a near-convection-resolving ensemble over a near-convection-resolving deterministic forecast? In this paper, a way in which ensemble and deterministic numerical weather prediction (NWP) systems can be compared is demonstrated using a probabilistic verification framework. Three years’ worth of raw forecasts from the Met Office Unified Model (UM) 12-member 2.2-km Met Office Global and Regional Ensemble Prediction System (MOGREPS-UK) ensemble and 1.5-km Met Office U.K. variable resolution (UKV) deterministic configuration were compared, utilizing a range of forecas

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Ban, Nikolina, Cécile Caillaud, Erika Coppola, et al. "The first multi-model ensemble of regional climate simulations at kilometer-scale resolution, part I: evaluation of precipitation." Climate Dynamics 57, no. 1-2 (2021): 275–302. http://dx.doi.org/10.1007/s00382-021-05708-w.

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AbstractHere we present the first multi-model ensemble of regional climate simulations at kilometer-scale horizontal grid spacing over a decade long period. A total of 23 simulations run with a horizontal grid spacing of $$\sim $$ ∼ 3 km, driven by ERA-Interim reanalysis, and performed by 22 European research groups are analysed. Six different regional climate models (RCMs) are represented in the ensemble. The simulations are compared against available high-resolution precipitation observations and coarse resolution ($$\sim $$ ∼ 12 km) RCMs with parameterized convection. The model simulations

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Valcheva, Rilka, Ivan Popov, and Nikola Gerganov. "Convection-Permitting Future Climate Simulations for Bulgaria under the RCP8.5 Scenario." Atmosphere 15, no. 1 (2024): 91. http://dx.doi.org/10.3390/atmos15010091.

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In recent decades, climate change has become a critical global issue with far-reaching consequences for regional climates and ecosystems. While regional climate models provide valuable information, there is a growing need for high-resolution simulations to assess local impacts. This paper addresses this gap by presenting the first simulation of a 3 km convection-permitting (CP) scenario simulation for Bulgaria. The main aim of this study is to assess different precipitation indices and their future changes for Bulgaria under the Representative Concentration Pathway 8.5 (RCP8.5) scenario follow

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Pay, M. T., F. Martínez, M. Guevara, and J. M. Baldasano. "Air quality forecasts at kilometer scale grid over Spanish complex terrains." Geoscientific Model Development Discussions 7, no. 2 (2014): 2293–334. http://dx.doi.org/10.5194/gmdd-7-2293-2014.

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Abstract. CALIOPE-AQFS represents the current state-of-the-art in air quality forecasting systems running at high resolution over high performance computing platforms. It provides 48 h forecast of main pollutants over Spain at 4 km horizontal resolution, and over the most populated areas with complex terrains in Spain (Barcelona, Madrid and Andalucia domains) at 1 km. Increased horizontal resolution from 4 km to 1 km over the aforementioned domains leads to finer texture and more realistic concentration maps, justified by the increase of NO2/O3 spatial correlation coefficients from 0.79/0.69 (

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Zeman, Christian, Nils P. Wedi, Peter D. Dueben, Nikolina Ban, and Christoph Schär. "Model intercomparison of COSMO 5.0 and IFS 45r1 at kilometer-scale grid spacing." Geoscientific Model Development 14, no. 7 (2021): 4617–39. http://dx.doi.org/10.5194/gmd-14-4617-2021.

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Abstract. The increase in computing power and recent model developments allow for the use of global kilometer-scale weather and climate models for routine forecasts. At these scales, deep convective processes can be partially resolved explicitly by the model dynamics. Next to horizontal resolution, other aspects such as the applied numerical methods, the use of the hydrostatic approximation, and time step size are factors that might influence a model's ability to resolve deep convective processes. In order to improve our understanding of the role of these factors, a model intercomparison betwe

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Bauville, Arthur, and Stefan M. Schmalholz. "Thermo-mechanical model for the finite strain gradient in kilometer-scale shear zones." Geology 41, no. 5 (2013): 567–70. http://dx.doi.org/10.1130/g33953.1.

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Valcheva, Rilka, and Ivan Popov. "Kilometer-Scale Regional Modeling of Precipitation Projections for Bulgaria Using HPC Discoverer." Atmosphere 16, no. 7 (2025): 814. https://doi.org/10.3390/atmos16070814.

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The main goal of this study is to present future changes in various precipitation indices at a kilometer-scale resolution for Bulgaria on an annual and seasonal basis. Numerical simulations were conducted using the Non-Hydrostatic Regional Climate Model version 4 (RegCM4-NH) following the Coordinated Regional Climate Downscaling Experiment Flagship Pilot Study protocol for three 10-year periods (1995–2004, 2041–2050, and 2090–2099), with horizontal grid resolutions of 15 km and 3 km, on the petascale supercomputer HPC Discoverer at Sofia Tech Park. Data from the Hadley Centre Global Environmen

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Valcheva, Rilka, Ivan Popov, and Nikola Gerganov. "Convection-Permitting Regional Climate Simulation over Bulgaria: Assessment of Precipitation Statistics." Atmosphere 14, no. 8 (2023): 1249. http://dx.doi.org/10.3390/atmos14081249.

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With increasing computational power, the regional climate modeling community is moving to higher resolutions of a few kilometers, named convection-permitting (CP) simulations. This study aims to present an assessment of precipitation metrics simulated with the non-hydrostatic regional climate model RegCM-4.7.1 at CP scale for a decade-long period (2001–2010) for Bulgaria. The regional climate simulation at 15 km grid spacing uses ERA-Interim (0.75° × 0.75°) re-analysis as the driving data and parametrized deep convection. The kilometer-scale simulation at 3 km horizontal grid spacing is nested

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Pay, M. T., F. Martínez, M. Guevara, and J. M. Baldasano. "Air quality forecasts on a kilometer-scale grid over complex Spanish terrains." Geoscientific Model Development 7, no. 5 (2014): 1979–99. http://dx.doi.org/10.5194/gmd-7-1979-2014.

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Abstract. The CALIOPE Air Quality Forecast System (CALIOPE-AQFS) represents the current state of the art in air quality forecasting systems of high-resolution running on high-performance computing platforms. It provides a 48 h forecast of NO2, O3, SO2, PM10, PM2.5, CO, and C6H6 at a 4 km horizontal resolution over all of Spain, and at a 1 km horizontal resolution over the most populated areas in Spain with complex terrains (the Barcelona (BCN), Madrid (MAD) and Andalusia (AND) domains). Increased horizontal resolution from 4 to 1 km over the aforementioned domains leads to finer textures and m

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Dissertationen zum Thema "Kilometer-scale model"

Kretzschmar, Jan. "Improving the representation of Arctic clouds in atmospheric models across scales using observations." 2021. https://ul.qucosa.de/id/qucosa%3A75240.

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With a nearly twice as strongly pronounced temperature increase compared to that of the Northern Hemisphere, the Arctic is especially susceptible to global climate change. The effect of clouds on the Arctic warming is especially uncertain, which is caused by misrepresented cloud microphysical processes in atmospheric models. This thesis aims at employing a scale- and definition-aware comparison of models and observations and will propose changes how to better parameterize Arctic clouds in atmospheric models. In the first part of this thesis, ECHAM6, which is the atmospheric component of the MP

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Buchteile zum Thema "Kilometer-scale model"

Gu, Zhuowei, Dali Wang, Dawei Gao, Yunhe Feng, and Qinglei Cao. "Flexible User-Defined Domain Decomposition in Kilometer-Scale E3SM Land Model Simulation." In Lecture Notes in Computer Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-97626-1_12.

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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by SARA J. TRIPP, MICHAEL J. HILL, HEATHER A. CALKINS, et al. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch42.

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<em>Abstract</em>.—Blue catfish <em>Ictalurus furcatus</em> are a commercially and recreationally important species throughout their range, in which many states have differing management strategies. Before management strategies can be implemented to achieve specific goals, understanding seasonal habitat use and movement patterns is necessary to determine the appropriate spatial scale for management. Therefore, we determined the extent and timing of blue catfish movement in the upper Mississippi River (UMR). During fall 2006 through spring 2010, 92 blue catfish (ranging

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Liu, J., and Q. Zhang. "Quantitative analysis of variability in modal frequencies of a kilometer-scale cable-stayed bridge during operating phase." In Bridge Maintenance, Safety, Management and Life Extension. CRC Press, 2014. http://dx.doi.org/10.1201/b17063-388.

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Konferenzberichte zum Thema "Kilometer-scale model"

Wei, Junlin, Xiang Han, Jiangfeng Yu, et al. "A Performance-Portable Kilometer-Scale Global Ocean Model on ORISE and New Sunway Heterogeneous Supercomputers." In SC24: International Conference for High Performance Computing, Networking, Storage and Analysis. IEEE, 2024. https://doi.org/10.1109/sc41406.2024.00009.

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Kemp, L. J., W. J. Otto, and O. J. Waals. "Conceptual Design and Model Tests for a Mid-Water Floating Hyperloop Tunnel." In ASME 2020 39th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/omae2020-18785.

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Abstract Aviation has a significant impact on the global emission of greenhouse gasses. On the Northern Atlantic route alone there are over 2,500 crossings daily. This illustrates the high demand for connecting people. It is expected that this demand will only increase in the future, which will increase the emissions due to aviation even further. An alternative way for connecting people can be the hyperloop, which obtains comparable speeds while using a fraction of the energy. For intercontinental connections a tunnel would be necessary. In this study, a conceptual design of a mid-water floati

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Lei, Jun-Qing, Xian-Qing Zhang, Shu-Lun Guo, Zu-Wei Huang, and Wu-Qin Wang. "Mechanics analysis of long span railroad cable-stayed bridge under effect of vertical loads." In IABSE Congress, Christchurch 2021: Resilient technologies for sustainable infrastructure. International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/christchurch.2021.0554.

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<p>This paper aims to explore the challenge of the design of over one-kilometer-long span road-rail cable-stayed bridge. Because of the large live load and the weight of the structure itself, it has important theoretical significance and engineering application value to study the design parameters of the long Road-Rail cable-stayed bridge with a main span of over 1000 m. The main content of this paper is to study the Steel Road-Rail Cable-stayed Bridge with a main span of 1200 m. The finite element model is established by large-scale analysis software to calculate the response of the str

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Libby, S. A. "Modelling Faults as Fracture Swarms to Introduce Multi-Scale Heterogeneity." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0934.

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ABSTRACT: Faults modify the geomechanical and hydrogeological properties of their host rock. Consequently, proper characterization of faults is relevant to a wide range of sectors including energy, storage and sequestration, mining and geotechnical. Although faults may be conceptualized as simple surfaces when considered at their full scale, a detailed view reveals a heterogeneous structure with damage zones and anastomosing fault cores. Consequently, simulations of whole fault systems can achieve reasonable results by modelling the faults as simple surfaces, but where model applications requi

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Jana, R., P. S. Rajagopal, A. Vinod Kumar, V. D. Puranik, and A. Runchal. "Limited Area Air Quality Modeling in Geographic Scale Through Flow Field Validation in Hilly Terrain." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17681.

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The turbulent motion of atmosphere adjoined to the earth’s surface is caused by the surface friction and buoyancy force in a short time scale which is of the order of few seconds to minutes. This interactive layer is atmospheric boundary layer with several detailed features viz., roughness layer, surface layer for small eddies, mixed layer for large eddies, which may extend vertically more than a kilometer under deep convective condition. The surface layer is primarily characterised through several scaling parameters, viz., roughness length, momentum flux and sensible heat flux as triggering f

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Hartisch, Jennifer, Jorge L. Chau, Ralph Latteck, Toralf Renkwitz, Miguel Urco, and Marius Zecha. "Observations of Kilometer-Scale Instabilities in the Polar Summer Mesosphere Resembling Varicose Mode Flows." In XXXVth URSI General Assembly and Scientific Symposium. URSI – International Union of Radio Science, 2023. http://dx.doi.org/10.46620/ursigass.2023.2676.nvmh8306.

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Liu, Xingyi, Quanyu Zhou, Leibo Zhang, et al. "Rolling Optimization Shift Strategy of Heavy Truck Considering Power Interruption in Shift Process." In SAE 2024 Vehicle Powertrain Diversification Technology Forum. SAE International, 2025. https://doi.org/10.4271/2025-01-7036.

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<div class="section abstract"><div class="htmlview paragraph">The optimization of gear shifting is a critical process in heavy-duty trucks for adjusting engine operating points, enabling a multi-objective balance between power, fuel efficiency, and comfort. However, this process is challenged by the nonlinear characteristics of engine fuel consumption, power interruptions during AMT (Automated Manual Transmission) shifts, and uncertainties in driving conditions. This study proposes a rolling optimization shift strategy for heavy trucks equipped with AMT, based on a multi-scale pred

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Merletti, German, Siyavash Motealleh, Peter Armitage, et al. "Dynamic-To-Static Permeability Ratio Provides Valuable Insights of Reservoir Architecture and Heterogeneity in Complex Hydraulically Fractured Reservoirs." In 2024 SPWLA 65th Annual Symposium. Society of Petrophysicists and Well Log Analysts, 2024. https://doi.org/10.30632/spwla-2024-0041.

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Matrix permeability is a key parameter to predict reservoir deliverability and ultimate recovery in tight gas reservoirs. Since it is a multiscale property, its values can significantly change with the scale of the medium under investigation. Well-log evaluation and core measurements provide pore- to meter-scale static measurements exclusively representative of the borehole vicinity, whereas well testing provides kilometer-scale dynamic permeability under multiple assumptions such as rock and fluid properties. This paper demonstrates how discrepancies between static and dynamic calculations of

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Wattana, Piyarat, Subin Somdee, Surachai Lamsunthia, Jutharat Wondee, and Surasak Chonchirdsin. "The Pilot Recycled Drill Cuttings Road: Utilisation of Onshore Drill Cuttings Waste for Road Application." In SPE Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/210748-ms.

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Abstract This project focuses on development of method to recycle the onshore drill cuttings waste and use them in road application. The hazardous characteristics of the drill cuttings waste are also tested and evaluated to address concerns in both safety and environment aspects. The project goals are to recycle drill cuttings waste into new use, reduce environmental footprint and waste management cost, as well as promote corporate social responsibility and sustainability development. Potential use of drill cuttings contaminated with synthetic based mud as part of material for road application

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Clasen Repollés, V., D. Jiang, A. P. Rinaldi, et al. "Modeling Coupled Hydro-Mechanical Processes During Hydraulic Stimulation at the Bedretto Underground Laboratory." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0774.

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ABSTRACT: In the framework of Enhanced Geothermal Systems (EGS), hydraulic stimulations play an important role in increasing the permeability of the host rock, facilitating more efficient heat extraction. However, these stimulations unavoidably induce reactivation of faults and earthquakes. The induced seismicity serves as proxy for the enhanced fracture network's spatial extent, but at the same time could pose a risk to nearby populations if the earthquakes' magnitude is large. To address this challenge, understanding the coupled physical processes generating fault reactivation and seismicity

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