A sodar-based investigation of the atmospheric boundary layer:
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| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Freiburg [Breisgau]
Meteorologisches Inst.
2003
|
| Series: | Berichte des Meteorologischen Institutes der Universität Freiburg
8 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XXIV, 233 S. Ill., graph. Darst., Kt. |
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| 100 | 1 | |a Haggagy, Mahmoud El-Nouby Adam |d 1969- |e Verfasser |0 (DE-588)124878067 |4 aut | |
| 245 | 1 | 0 | |a A sodar-based investigation of the atmospheric boundary layer |c Mahmoud El-Nouby Adam Haggagy. [Meteorologisches Institut der Albert-Ludwigs-Universität Freiburg. Hrsg.: Helmut Mayer und Andreas Matzarakis] |
| 246 | 1 | 3 | |a A sodar based investigation of the atmospheric boundary layer |
| 246 | 1 | |a A sodar-based investigation of the atmospheric boundary layer | |
| 264 | 1 | |a Freiburg [Breisgau] |b Meteorologisches Inst. |c 2003 | |
| 300 | |a XXIV, 233 S. |b Ill., graph. Darst., Kt. | ||
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| 490 | 1 | |a Berichte des Meteorologischen Institutes der Universität Freiburg |v 8 | |
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| 650 | 4 | |a Boundary layer (Meteorology) |z Germany | |
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Record in the Search Index
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| adam_text | Titel: A sodar based investigation of the atmospheric boundary layer
Autor: Haggagy, Mahmoud El-Nouby Adam
Jahr: 2003
Ill
TABLE OF CONTENTS
Acknowledgements I
Table of contents III
Summary X
Zusammenfassung XVII
1 Introduction 1
2 Literature review 5
2.1 Acoustic remote sensing 5
2.2 Sodar studies of atmospheric stability 6
2.3 Turbulence of the atmospheric boundary layer 8
3 Objectives and applications of the present study 11
3.1 Necessity of the present study 12
3.2 Objectives of the present study 13
3.3 Appl ication of the present work 14
4 Theoretical concepts 16
4.1 Atmospheric boundary layer 16
4.1.1 Wind and flow 17
4.1.2 Turbulence 18
4.1.2.1 Turbulence kinetic energy 19
4.1.2.2 Turbulence intensity 22
IV
4.1.2.3 Free and forced convection 23
4.1.3 Depth and structure of the atmospheric boundary layer 25
4.1.3.1 Mixed layer 26
4.1.3.2 Residual layer 28
4.1.3.3 Stable boundary layer 28
4.1.4 Atmospheric stability 29
4.1.5 Micrometeorological variables 30
4.1.5.1 Friction velocity 30
4.1.5.2 Monin-Obukhov length 31
4.1.5.3 Convective velocity scale 32
4.1.5.4 Roughness length 32
4.2 Sound propagation in the atmosphere 33
4.3 Theory of the sodar measurement 38
4.3.1 Physical principle of the method 38
4.3.2 Sodar system configurations 41
5 Measurements, data processing and experimental sites 43
5.1 Measurements 43
5.1.1 Principles of sodar measurement 43
5.1.1.1 Beam pattern 43
5.1.1.2 Backscatter 44
5.1.1.3 Doppler shift 44
5.1.1.4 Height determination 45
5.1.1.5 Signal analysis 46
5.1.1.6 Limitation of sodar operation 47
V
5.1.2 Accuracy of sodar measurements 47
5.1.3 Instrumentation: Description of the FAS64 49
5.1.4 Description of the software: FASrun program 53
5.2 Data processing 54
5.3 Experimental sites 57
6 Results 59
6.1 Hartheim: Scots pine forest 60
6.1.1 Global solar radiation, wind direction, and wind speed variation 60
6.1.1.1 Global solar radiation 60
6.1.1.2 Wind direction 61
6.1.1.3 Horizontal wind speed 61
6.1.1.4 Vertical wind speed component 61
6.1.2 Atmospheric stability classification 61
6.1.3 Variance of horizontal and vertical wind speed 68
6.1.4 Turbulence kinetic energy 68
6.1.5 Turbulence intensity 69
6.1.5.1 Variation of turbulence intensity with wind directions under
neutral conditions 69
6.1.5.2 Turbulence intensity under different stratifications 69
6.1.6 Relationship between normalized standard deviations
of velocity components and z/L 69
6.2 Bremgarten: Grassland 80
6.2.1 Global solar radiation, wind direction, and wind speed variation 80
6.2.1.1 Global solar radiation 80
6.2.1.2 Wind direction speed 80
VI
6.2.1.3 Horizontal wind speed 80
6.2.1.4 Vertical wind speed component 81
6.2.2 Atmospheric stability classification 81
6.2.3 Variance of horizontal and vertical wind speed 81
6.2.4 Turbulence kinetic energy 82
6.2.5 Turbulence intensity 88
6.2.5.1 Variation of turbulence intensity with wind directions
under neutral conditions 88
6.2.5.2 Turbulence intensity under different stratifications 88
6.2.6 Relationship between normalized standard deviations
of velocity components and z/L 89
6.3 Blankenhomsberg: Vineyard 100
6.3.1 Global solar radiation, wind direction, and wind speed variation 100
6.3.1.1 Global solar radiation 100
6.3.1.2 Wind direction 100
6.3.1.3 Horizontal wind speed 100
6.3.1.4 Vertical wind speed component 101
6.3.2 Atmospheric stability classification 101
6.3.3 Variance of horizontal and vertical wind speed 101
6.3.4 Turbulence kinetic energy 108
6.3.5 Turbulence intensity 108
6.3.5.1 Variation of turbulence intensity with wind directions
under neutral conditions 108
6.3.5.2 Turbulence intensity under different stratifications 109
6.3.5.3 Relationship between normalized standard deviations
of velocity components and z/L 109
VII
6.4 Oberbarenburg: Norway spruce forest 120
6.4.1 Global solar radiation, wind direction, and wind speed variation 120
6.4.1.1 Global solar radiation 120
6.4.1.2 Wind direction 120
6.4.1.3 Horizontal wind speed 120
6.4.1.4 Vertical wind speed component 120
6.4.2 Atmospheric stability classification 121
6.4.3 Variance of horizontal and vertical wind speed 126
6.4.4 Turbulence kinetic energy 126
6.4.5 Turbulence intensity 127
6.4.5.1 Variation of turbulence intensity with wind directions
under neutral conditions 127
6.4.5.2 Turbulence intensity under different stratifications 127
6.4.6 Relationship between normalized standard deviations
of velocity components and z/L 127
6.5 Melpitz: Grassland 139
6.5.1 Global solar radiation, wind direction, and wind speed variation 139
6.5.1.1 Global solar radiation 139
6.5.1.2 Wind direction 139
6.5.1.3 Horizontal wind speed 139
6.5.1.4 Vertical wind speed component 140
6.5.2 Atmospheric stability classification 146
6.5.3 Variance of horizontal and vertical wind speed 146
6.5.4 Turbulence kinetic energy 147
6.5.5 Turbulence intensity 147
VIII
6.5.5.1 Variation of turbulence intensity with wind directions
under neutral conditions
6.5.5.2 Turbulence intensity under different stratifications
6.6 Freiburg: Urban area
6.6.1 Global solar radiation, wind direction, and wind speed variation
6.6.1.1 Global solar radiation
6.6.1.2 Wind direction
6.6.1.3 Horizontal wind speed
6.6.1.4 Vertical wind speed component
6.6.2 Variance of horizontal and vertical wind speed
6.6.3 Turbulence kinetic energy
7 General discussion 171
7.1 Global solar radiation, wind direction, and wind speed variation 171
7.1.1 Global solar radiation 171
7.1.2 Wind direction 172
7.1.3 Wind speed components 173
7.2 Atmospheric stability classification 174
7.3 Variance of horizontal and vertical wind speed 174
7.4 Turbulence kinetic energy 176
7.5 Turbulence intensity components 178
7.5.1 Variation of turbulence intensity components with
wind directions under neutral conditions 179
7.5.2 Turbulence intensity under different stratifications 181
7.6 Relationship between normalized standard deviations of
velocity components and z/L. under unstable conditions 183
IX
7.6.1 Horizontal component 183
7.6.2 Verticat component 185
7.7 Profile of normalized variance of vertical wind speed component 185
8 Conclusions 202
References 207
List of abbreviations and symbols 219
List of captions for figures 223
List of captions for tables 231
Curriculum vitae
|
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| dewey-full | 551.51/5 |
| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 551 - Geology, hydrology, meteorology |
| dewey-raw | 551.51/5 |
| dewey-search | 551.51/5 |
| dewey-sort | 3551.51 15 |
| dewey-tens | 550 - Earth sciences |
| discipline | Geologie / Paläontologie Geographie |
| format | Thesis Book |
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| spelling | Haggagy, Mahmoud El-Nouby Adam 1969- Verfasser (DE-588)124878067 aut A sodar-based investigation of the atmospheric boundary layer Mahmoud El-Nouby Adam Haggagy. [Meteorologisches Institut der Albert-Ludwigs-Universität Freiburg. Hrsg.: Helmut Mayer und Andreas Matzarakis] A sodar based investigation of the atmospheric boundary layer A sodar-based investigation of the atmospheric boundary layer Freiburg [Breisgau] Meteorologisches Inst. 2003 XXIV, 233 S. Ill., graph. Darst., Kt. txt rdacontent n rdamedia nc rdacarrier Berichte des Meteorologischen Institutes der Universität Freiburg 8 Zugl.: Freiburg (Breisgau), Univ., Diss., 2003 Atmospheric turbulence Germany Boundary layer (Meteorology) Germany Atmosphärische Grenzschicht (DE-588)4192517-8 gnd rswk-swf Sodar (DE-588)4467063-1 gnd rswk-swf Deutschland (DE-588)4113937-9 Hochschulschrift gnd-content Atmosphärische Grenzschicht (DE-588)4192517-8 s Sodar (DE-588)4467063-1 s DE-604 Berichte des Meteorologischen Institutes der Universität Freiburg 8 (DE-604)BV012272853 8 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010511404&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Haggagy, Mahmoud El-Nouby Adam 1969- A sodar-based investigation of the atmospheric boundary layer Berichte des Meteorologischen Institutes der Universität Freiburg Atmospheric turbulence Germany Boundary layer (Meteorology) Germany Atmosphärische Grenzschicht (DE-588)4192517-8 gnd Sodar (DE-588)4467063-1 gnd |
| subject_GND | (DE-588)4192517-8 (DE-588)4467063-1 (DE-588)4113937-9 |
| title | A sodar-based investigation of the atmospheric boundary layer |
| title_alt | A sodar based investigation of the atmospheric boundary layer A sodar-based investigation of the atmospheric boundary layer |
| title_auth | A sodar-based investigation of the atmospheric boundary layer |
| title_exact_search | A sodar-based investigation of the atmospheric boundary layer |
| title_full | A sodar-based investigation of the atmospheric boundary layer Mahmoud El-Nouby Adam Haggagy. [Meteorologisches Institut der Albert-Ludwigs-Universität Freiburg. Hrsg.: Helmut Mayer und Andreas Matzarakis] |
| title_fullStr | A sodar-based investigation of the atmospheric boundary layer Mahmoud El-Nouby Adam Haggagy. [Meteorologisches Institut der Albert-Ludwigs-Universität Freiburg. Hrsg.: Helmut Mayer und Andreas Matzarakis] |
| title_full_unstemmed | A sodar-based investigation of the atmospheric boundary layer Mahmoud El-Nouby Adam Haggagy. [Meteorologisches Institut der Albert-Ludwigs-Universität Freiburg. Hrsg.: Helmut Mayer und Andreas Matzarakis] |
| title_short | A sodar-based investigation of the atmospheric boundary layer |
| title_sort | a sodar based investigation of the atmospheric boundary layer |
| topic | Atmospheric turbulence Germany Boundary layer (Meteorology) Germany Atmosphärische Grenzschicht (DE-588)4192517-8 gnd Sodar (DE-588)4467063-1 gnd |
| topic_facet | Atmospheric turbulence Germany Boundary layer (Meteorology) Germany Atmosphärische Grenzschicht Sodar Deutschland Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=010511404&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV012272853 |
| work_keys_str_mv | AT haggagymahmoudelnoubyadam asodarbasedinvestigationoftheatmosphericboundarylayer |