Dynamics of shallow convection over land : airborne measurements of wind, temperature, humidity and pressure in small cumulus clouds / by Christian Mallaun. Innsbruck, August 2018
Content
[1]Titelblatt
iiiAbstract
vContents
1Part A General Introduction
31 Motivation
42 Goals
63 Shallow Convection
63.1 Conceptual model of shallow convection
73.2 Overview on the dynamics of shallow convection
93.3 Different ways to study shallow convection
104 Setup and calibration of the research aircraft
104.1 Instrumentation of a research aircraft measuring shallow convection
114.2 The meteorological sensor package
134.3 Inflight calibration of the meteorological sensor system
145 Organisation and strategies for the measurement campaigns
145.1 Measurement strategies in shallow convection
165.2 The measurement campaign: TASC 2012 and 2013
186 Content of the PhD thesis
19Part B How to optimise pressure calibration using the tower flyby method
21Abstract
211 Introduction
222 The tower flyby calibration
232.1 Tower flyby method
242.2 Best practice: relative pressure measurement and DGPS
262.3 Data evaluation
273 Example of a pitot-static calibration
283.1 The aircraft: DLR Cessna 208B Grand Caravan ``D-FDLR'' (Caravan)
293.2 The test program
313.3 Evaluation, results and accuracy
344 Conclusion
37Part C Calibration of 3-D wind measurements on a single-engine research aircraft
39Abstract
391 Introduction
412 Wind calculation
463 The research aircraft: Cessna Grand Caravan 208B
514 In-flight calibration
514.1 Static pressure calibration
544.2 Static flow angle calibration
544.2.1 Attack angle calibration
564.2.2 Influence of the flow angles on the pressure
584.2.3 Sideslip angle calibration
594.3 Calculation of the flow angle offsets, b, b
605 Dynamic pressure calibration
646 Error analysis
707 Conclusions
73Part D Subsiding shells and vertical mass flux in warm cumulus clouds over land
75Abstract
751 Introduction
772 Probing shallow convection and the subsiding shell
772.1 The research aircraft
782.2 The measurement campaigns
792.3 Identifying clouds
822.4 Computation of derived variables
843 The subsiding shell in single cloud transects
843.1 The subsiding shell in an example cloud of a low-wind flight
873.2 The subsiding shell in different conditions
884 Properties of the cumulus clouds and the subsiding shells
945 Discussion
966 Conclusions
99Part E Summary and Outlook
107Part F Appendix