Horizontal variability and boundary-layer modeling
Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fro...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Barr, Sumner [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
1975 |
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| Schlagwörter: |
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| Anmerkung: |
© D. Reidel Publishing Company 1975 |
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| Übergeordnetes Werk: |
Enthalten in: Boundary layer meteorology - Kluwer Academic Publishers, 1970, 8(1975), 2 vom: März, Seite 163-172 |
|---|---|
| Übergeordnetes Werk: |
volume:8 ; year:1975 ; number:2 ; month:03 ; pages:163-172 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF00241335 |
|---|
| Katalog-ID: |
OLC206091955X |
|---|
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| 520 | |a Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. | ||
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| 650 | 4 | |a Vertical Scale | |
| 650 | 4 | |a Scale Height | |
| 650 | 4 | |a Horizontal Scale | |
| 650 | 4 | |a Vertical Diffusion | |
| 700 | 1 | |a Kreitzberg, Carl W. |4 aut | |
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10.1007/BF00241335 doi (DE-627)OLC206091955X (DE-He213)BF00241335-p DE-627 ger DE-627 rakwb eng 550 VZ 16,13 ssgn Barr, Sumner verfasserin aut Horizontal variability and boundary-layer modeling 1975 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Company 1975 Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. Advection Vertical Scale Scale Height Horizontal Scale Vertical Diffusion Kreitzberg, Carl W. aut Enthalten in Boundary layer meteorology Kluwer Academic Publishers, 1970 8(1975), 2 vom: März, Seite 163-172 (DE-627)129610410 (DE-600)242879-9 (DE-576)015105679 0006-8314 nnns volume:8 year:1975 number:2 month:03 pages:163-172 https://doi.org/10.1007/BF00241335 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_154 GBV_ILN_201 GBV_ILN_601 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2012 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4307 GBV_ILN_4311 AR 8 1975 2 03 163-172 |
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10.1007/BF00241335 doi (DE-627)OLC206091955X (DE-He213)BF00241335-p DE-627 ger DE-627 rakwb eng 550 VZ 16,13 ssgn Barr, Sumner verfasserin aut Horizontal variability and boundary-layer modeling 1975 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Company 1975 Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. Advection Vertical Scale Scale Height Horizontal Scale Vertical Diffusion Kreitzberg, Carl W. aut Enthalten in Boundary layer meteorology Kluwer Academic Publishers, 1970 8(1975), 2 vom: März, Seite 163-172 (DE-627)129610410 (DE-600)242879-9 (DE-576)015105679 0006-8314 nnns volume:8 year:1975 number:2 month:03 pages:163-172 https://doi.org/10.1007/BF00241335 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_154 GBV_ILN_201 GBV_ILN_601 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2012 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4307 GBV_ILN_4311 AR 8 1975 2 03 163-172 |
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10.1007/BF00241335 doi (DE-627)OLC206091955X (DE-He213)BF00241335-p DE-627 ger DE-627 rakwb eng 550 VZ 16,13 ssgn Barr, Sumner verfasserin aut Horizontal variability and boundary-layer modeling 1975 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Company 1975 Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. Advection Vertical Scale Scale Height Horizontal Scale Vertical Diffusion Kreitzberg, Carl W. aut Enthalten in Boundary layer meteorology Kluwer Academic Publishers, 1970 8(1975), 2 vom: März, Seite 163-172 (DE-627)129610410 (DE-600)242879-9 (DE-576)015105679 0006-8314 nnns volume:8 year:1975 number:2 month:03 pages:163-172 https://doi.org/10.1007/BF00241335 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_154 GBV_ILN_201 GBV_ILN_601 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2012 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4307 GBV_ILN_4311 AR 8 1975 2 03 163-172 |
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10.1007/BF00241335 doi (DE-627)OLC206091955X (DE-He213)BF00241335-p DE-627 ger DE-627 rakwb eng 550 VZ 16,13 ssgn Barr, Sumner verfasserin aut Horizontal variability and boundary-layer modeling 1975 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Company 1975 Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. Advection Vertical Scale Scale Height Horizontal Scale Vertical Diffusion Kreitzberg, Carl W. aut Enthalten in Boundary layer meteorology Kluwer Academic Publishers, 1970 8(1975), 2 vom: März, Seite 163-172 (DE-627)129610410 (DE-600)242879-9 (DE-576)015105679 0006-8314 nnns volume:8 year:1975 number:2 month:03 pages:163-172 https://doi.org/10.1007/BF00241335 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_154 GBV_ILN_201 GBV_ILN_601 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2012 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4307 GBV_ILN_4311 AR 8 1975 2 03 163-172 |
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10.1007/BF00241335 doi (DE-627)OLC206091955X (DE-He213)BF00241335-p DE-627 ger DE-627 rakwb eng 550 VZ 16,13 ssgn Barr, Sumner verfasserin aut Horizontal variability and boundary-layer modeling 1975 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © D. Reidel Publishing Company 1975 Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. Advection Vertical Scale Scale Height Horizontal Scale Vertical Diffusion Kreitzberg, Carl W. aut Enthalten in Boundary layer meteorology Kluwer Academic Publishers, 1970 8(1975), 2 vom: März, Seite 163-172 (DE-627)129610410 (DE-600)242879-9 (DE-576)015105679 0006-8314 nnns volume:8 year:1975 number:2 month:03 pages:163-172 https://doi.org/10.1007/BF00241335 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_11 GBV_ILN_21 GBV_ILN_22 GBV_ILN_40 GBV_ILN_70 GBV_ILN_154 GBV_ILN_201 GBV_ILN_601 GBV_ILN_2006 GBV_ILN_2010 GBV_ILN_2012 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4305 GBV_ILN_4307 GBV_ILN_4311 AR 8 1975 2 03 163-172 |
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Enthalten in Boundary layer meteorology 8(1975), 2 vom: März, Seite 163-172 volume:8 year:1975 number:2 month:03 pages:163-172 |
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Horizontal variability and boundary-layer modeling |
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Horizontal variability and boundary-layer modeling |
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Barr, Sumner Kreitzberg, Carl W. |
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horizontal variability and boundary-layer modeling |
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Horizontal variability and boundary-layer modeling |
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Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. © D. Reidel Publishing Company 1975 |
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Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. © D. Reidel Publishing Company 1975 |
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Abstract Micrometeorologists have traditionally set aside consideration of horizontal variability and have studied boundary-layer structure with horizontal homogeneity. The numerical forecasting of boundary-layer structures, over normally varying terrain and including normal disturbances such as fronts, requires selection of an ‘appropriate’ horizontal scale. A simple analysis of steady-state balance between horizontal advection and vertical diffusion provides estimates of the vertical scale (or depth) of surface-induced features. The scale height is a function of the horizontal scale of the variations. Models neglecting important terrain scales of length below ~ 1000 km can predict down to levels of ~ 0.5 to 1 km while those that neglect important terrain scales below ~ 100 km can predict down to ~ 0.2 to 0.6 km. Below these levels, any predicted features will be dominated by the vertical diffusion so that they are solutions of a one-dimensional boundary-value problem. The boundary-induced advection effects dominate free atmosphere advection effects in the lowest few hundred meters as well. This means that if mesoscale advections are resolved and terrain influences are strong, the predictions in the layer ~ 0.2 to 0.8 km can provide mesoscale detail without mesoscale initial conditions above the surface, because the surface forcing will dominate the solution. © D. Reidel Publishing Company 1975 |
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Horizontal variability and boundary-layer modeling |
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