Tuning the CARIS implementation of CUBE for Patagonian Waters.pdf

Table of Contents
Dedications.....................................................................................................................ii
Abstract......................................................................................................................... iii
Resumen..........................................................................................................................v
Acknowledgements ...................................................................................................... vii
Table of Contents ........................................................................................................ viii
List of Tables...................................................................................................................x
List of Figures ................................................................................................................xi
List of Symbols, Nomenclature or Abbreviations......................................................... xiii
1. INTRODUCTION.......................................................................................................1
1.1 Problem Statement...............................................................................................1
1.2 Background..........................................................................................................1
1.3 Research Objectives.............................................................................................4
1.4 Objectives............................................................................................................4
1.4.1 Set-up.............................................................................................................5
1.4.2 CUBE configuration testing. ..........................................................................5
1.5 Results obtained in this Thesis. ............................................................................7
1.6 Thesis Outline......................................................................................................9
2. MULTIBEAM PRINCIPLES, DATA CHARACTERISTIC- PROCESSING AND
PERFORMANCE....................................................................................................11
2.1 Multibeam echosounder background. .................................................................11
2.2 Beamwidth, Resolution and Beam Samples........................................................14
2.3 Principles of data acquisition of ATLAS FANSWEEP 20..................................15
2.4 Chilean multibeam system configuration............................................................17
2.5 Data processing of ATLAS FANSWEEP 20 in HIPS.........................................19
2.6 Performance of a multibeam echosounder. .........................................................21
2.6.1 Sea bottom mistracking. ...............................................................................22
3. ENVIRONMENT OF THE PATAGONIAN FJORDS AND CHANNELS................27
3.1 Geomorphology of the Patagonian Channels and fjords......................................27
3.1.1 North Patagonia Area. ..................................................................................29
3.1.2 Central Patagonian Area...............................................................................31
3.1.3 South Patagonian Area. ................................................................................32
4. BATHYMETRIC DATA CLEANING ......................................................................33
4.1 Interactive Editing..............................................................................................33
4.2 Semi-automatic method......................................................................................34
4.2.1 Filters contained in CARIS HIPS and SIPS 6.1. ...........................................35
4.2.1.1 Swath Filter............................................................................................35
4.2.1.2 HIPS Total Propagated Error (TPE) filter. ..............................................36
4.2.1.3 HIPS “CUBE” filter. ..............................................................................37
viii