AirborneHydroMapping. New possibilities in bathymetric and topographic survey
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1 AirborneHydroMapping New possibilities in bathymetric and topographic survey
2 NIRAS og AHM, projekt for Statens Kartverk Dataíndsamling i kystsonen med LiDAR system NIRAS, DANMARK Etablert i 1956 Ingeniørfirma med ca ansatte Introduserte i samarbeid med AHM luftbåren undervands laserscanning /green LiDAR i Danmark i AHM, ØSTERRIKE Etablert i 2010 Specialiseret i Airborne Hydro Mapping Stærke relationer til forskningsmiljø og scanner industri Har dybdekartlagt mer enn 1200km elv og 350km kyst Samarbejde med NIRAS i start 2013
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5 AIRBORNE HYDROMAPPING ( ) Layout needs from water engineering side: - Shallow water applications - High point density - Good geometrical resolution - Usage of sensor for topographic and bathymetric side - Multiple signal detection - Light weight and compact sensor Markus Aufleger. WASSERBAU INNSBRUCK 5
6 FFG-Project Airborne Hydromapping A lot of work... : Markus Aufleger. WASSERBAU INNSBRUCK 6
7 What s topo-bathymetry? side side A seamless, geometric information from land to water
8 Areas affected by changes: Shallow water areas Shallow water: 0m 10m Cross-sections are the classic way of survey by using different sensor! Dangerous High in cost and time Prohibited or protected areas Many different sensors
9 Areas affected by changes: Shallow water areas Shallow water: 0m 10m Cross-sections are the classic way of survey by using different sensor! Classic ALS: not water penetrating laser beam Dangerous High in cost and time Prohibited or protected areas Many different sensors
10 ????? A lot of work for? inconsistent, non spatial,? and still missing data!?? 10
11 Survey altitude ~500m AGL High resolution bathymetric survey - Hydromapping Point density >20points/m² Accuracy under water ~5cm 532nm, water penetrating laser beam Shallow water areas The entire foreland Only deeper areas need to be captured by echo sounders
12 Only two sensors Only one calibration Spatial data 12
13 Bathymetric survey: Baltic Sea coast, Germany Hydromapping July 2012 ~ points Clear water conditions Depth down to 8 m Sonar July 2012 Depth down to 10 m
14 Bathymetric survey: Baltic Sea coast, Germany Water surface & classified points
15 Bathymetric survey: Baltic Sea coast, Germany Combined topographic and bathymetric map
16 Bathymetric survey: Baltic Sea coast, Germany Detecting and reconstruction the water surface
17 Bathymetric survey: Baltic Sea coast, Germany Combined topographic and bathymetric surface model
18 Bathymetric survey: Baltic Sea coast, Germany Comparison hydromapping and sonar data 2012
19 Bathymetric survey: Baltic Sea coast, Germany Comparison hydromapping and sonar data 2012
20 Bathymetric survey: Baltic Sea coast, Germany Comparison hydromapping and sonar data 2012
21 Bathymetric survey: Baltic Sea coast, Germany Looking for underwater vegetation
22 Bathymetric survey: Baltic Sea coast, Germany Looking for underwater vegetation
23 Bathymetric survey: Baltic Sea coast, Germany Looking for underwater vegetation
24 North Sea Tidal areas and high turbidity Influences of water surface changes / flowing turbidity
25 Bathymetric survey: Rheinfelden, Germany 6 km long section of the Rhine river Hydromapping April 2012 ~ points Increased turbidity due to construction work Depth down to 3,5 m Sonar December 2011 January & May points Depth 3-25 m
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27 HydroVISH features: + point cloud classification + cross section extraction + water surface + riparian water line + contour plots and break lines + splats visualization + DSM, numerical models +...
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29 HydroVISH features: + point cloud classification + cross section extraction + water surface + riparian water line + contour plots and break lines + splats visualization + DSM, numerical models +...
30 HydroVISH features: + point cloud classification + cross section extraction + water surface + riparian water line + contour plots and break lines + splats visualization + DSM, numerical models +...
31 Inclination & beam divergence - 20 backward - footprint size: 50cm These two issues guarantee: - good geometrical resolution - better view underneath vegetation and manmade structures - capture also vertical structures and facades HydroVISH features: + point cloud classification + cross section extraction + water surface + riparian water line + contour plots and break lines + splats visualization + DSM, numerical models +...
32 Bathymetric survey: Riparian areas Inclination & beam divergence: Improved look underneath vegetation
33 20 inclination Advantage of not looking nadir
34 Bathymetric survey Lech: River survey and small object detection and changes: - New hydraulic model - Input for groundwater model - Planning on riparian structures - Static behavior of dike structures - Monitoring of ecologic measures - Monitoring of sedimentation and changes of natural Lech riverbed - Monitoring of dike structures
35 Bathymetric survey 2014: Lake Constance, Germany - Lake bottom structure - Harbor maintenance - Reed analysis - Diving charts - Waste water inlets into lake - Morphologic studies in estuary areas
36 Latest hydromapping tasks Morphology, waterline during flood, oil tank leakage
37 Latest hydromapping tasks Morphology, waterline during flood, oil tank leakage
38 ISAR in München Vorher Nachher
39 Morphologic changes between flood flows (2011/2013)
40 End user solutions on topobathymetric datasets New hydraulic possibilities: Combined management and visualization of data and process results: Numeric and processing results are visualized on measured data
41 End user solutions on topobathymetric datasets New hydraulic possibilities: Combined management and visualization of data and process results: Numeric and processing results are visualized on measured data
42 End user solutions on topobathymetric datasets New hydraulic possibilities: Combined management and visualization of data and process results: Numeric and processing results are visualized on measured data
43 End user solutions on topobathymetric datasets New hydraulic possibilities: Combined management and visualization of data and process results: Numeric and processing results are visualized on measured data
44 Ice&SnowMapping
45 Ice&SnowMapping
46 LandMapping
47 LandMapping
48 LandMapping
49 LandMapping Frafjord valley
50 LandMapping Infrastructure data: measurement in each directions, including facades
51 LandMapping
52 LandMapping
53 LandMapping Old way of representing a DSM
54 LandMapping DSM now representing everything in 3D (Volumemodel) Infrastructure planning Infrastructure 3D volume models out of pointclouds for architects
55 Solardachanalyse LandMapping Infrastructure analysis high point density / geometrical resolution
56 Solardachanalyse LandMapping Infrastructure analysis extracting details
57 Solardachanalyse LandMapping Infrastructure analysis extracting details (solar potential, snow load calculation, detecting illegal changes in infrastructure Size, orientation and inclination of roof tops
58 Solardachanalyse LandMapping Infrastructure analysis extracting details (solar potential, snow load calculation, detecting illegal changes in infrastructure Detecting roof windows, solar panals
59 NatureMapping
60 NatureMapping Multisensor data survey for topographic and bathymetric purposes - Green Lidar (entire topographic and bathymetric dataset from one source) - Thermal- Camera (groundwater, detection of water inlets, temp. distributions) - 4K video taping - RGB-Camera (Aerial pictures) High-resolution laser pointclouds as basic and applicable dataset for further multisensor data handling
61 AHM GmbH & AHM Software&Research GmbH HydroVISH
62 HydroVISH Viewer Data Viewer, Data Viewer in combination with GIS for municipalities Viewer: representing morphological changes during two periods
63 HydroVISH Viewer Data Viewer, Data Viewer in combination with GIS for municipalities
64 AHM GmbH & AHM Software development GmbH Data Capturing - Speed/Performance - Economic / Ecologic (small CO 2 -footprint) - Silent in operation - No direct access to ecologic & protected areas Cut-outs for cross-sections Walking in protected areas (even more than one time) Protection of plants No disturbance of animals/birds No contact with water zones Data Captured - High resolution survey - Documentation (survey&picture) - Multisensor concept for different research topics Turbidity Morphology Vegetation (land and under water) Water detection (shallow water zones) Habitat structures (insects, fish, small animals) Floodplain structures
65 AHM GmbH & AHM Software development GmbH academic spin-off and company Foundation: November 2010 Head quarters: Innsbruck, Austria Employees: 12 + students Management: F. Steinbacher, M. Aufleger, University of Innsbruck i2b-award Winner Austria 2010: Best technical development and business concept 2013: Innovationspreis 2013
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