%PDF-1.4 % 1 0 obj << /Type /Pages /Count 2 /Kids [ 2 0 R 119 0 R ] >> endobj 2 0 obj << /Type /Page /Parent 1 0 R /Resources << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Font << /QuickPDFFcb465228 75 0 R /QuickPDFFf2f3e454 118 0 R >> >> /Contents [ 5 0 R ] /MediaBox [ 0 0 595.2756 841.8898 ] /CropBox [ 0 0 595.2756 841.8898 ] >> endobj 3 0 obj << /Type /Catalog /Pages 1 0 R /Metadata 121 0 R >> endobj 4 0 obj << /Producer (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /Creator (Debenu Quick PDF Library 11.15 \(www.debenu.com\)) /CreationDate (D:20170615105942+02'00') /ModDate (D:20170615105944+02'00') >> endobj 5 0 obj << /Length 3121 /LC /iSQP >> stream 0 Tr /QuickPDFFf2f3e454 14 Tf 0 0 0 rg 100 Tz 0 Tw 0 Tc 0 Ts BT 1 0 0 1 57.6988 770.8329 Tm (Multi-Transducer Sediment Echo Sounder for 3D Documentation of Submerged)Tj 1 0 0 1 77.9288 752.1709 Tm (Archaeological Sites a Case Study at a Prehistoric Pile Dwelling at Lake)Tj 1 0 0 1 241.8408 733.5089 Tm (Mondsee \(Austria\))Tj ET /QuickPDFFf2f3e454 11 Tf 0 0 0 rg BT 1 0 0 1 245.0853 703.0447 Tm (Erwin Heine \(Austria\))Tj ET /QuickPDFFf2f3e454 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 661.3218 Tm 15.996 TL (Key words: )' ET /QuickPDFFcb465228 12 Tf 0 0 0 rg BT 1 0 0 1 141.7323 661.3218 Tm 15.768 TL (Hydrography; lakes; archaeology; sediment structure; archaeological)' (underwater prospection)' ET /QuickPDFFf2f3e454 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 618.8021 Tm 15.996 TL (SUMMARY)' ET /QuickPDFFcb465228 10 Tf 0 0 0 rg BT 1 0 0 1 56.6929 163.8497 Tm 13.14 TL (__________________________________________________________________________________________)' ()' (Multi-Transducer Sediment Echo Sounder for 3D Documentation of Submerged Archaeological Sites a Case Study at)' (a Prehistoric Pile Dwelling at Lake Mondsee \(Austria\) \(9012\))' (Erwin Heine \(Austria\))' ()' (FIG Working Week 2017)' (Surveying the world of tomorrow - From digitalisation to augmented reality)' (Helsinki, Finland, May 29June 2, 2017)' ET /QuickPDFFcb465228 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 590.4557 Tm 15.768 TL (A test of high end hydrographic surveying equipment of different manufacturers were carried out at)' (the prehistoric pile dwelling See at Lake Mondsee \(Austria\), regarding high-resolution echo)' (sounding and detection of embedded archaeological objects. The pile field is situated in a small bay)' (near the lake outlet, where the core area of the site is about 100m long, 40 m wide and between 1 m)' (and 8 m deep. )' ()' (Multi beam echo sounder systems \(Kongsberg, Teledyne, R2sonic\), motion sensors and positioning)' (systems \(iXblue, Leica, SBG, Septentrio\) as well as a unique multi-transducer sediment echo)' (sounder \(Innomar\) were tested during a three weeks measurement campaign in May 2016. )' ()' (Bottom coverage, resolution and accuracy were subjects of the investigation as well as the ability to)' (return more than a single point from a ping \(multi detection\), which is actually useful when)' (surveying a surface with features sticking out of the ground, like piles. )' ()' (Special attention was given to the parametric narrow-beam sub-bottom profiler \(SBP\) Innomar)' (SES2000 quattro. This recently developed device consists of four transducers arranged as a line)' (array of one meter length for high across-track data density. An area with an extension of 140 m x)' (40 m was measured using a survey line spacing of one meter. )' ()' (Data gridding of about 160 SBP-echograms resulted in a 3D volume model \(voxel model\) with a)' (grid cell size of 25 cm x 25 cm x 1 cm. This uniform lattice can now be visualized in 3D with any)' (common volume rendering program. )' ()' (Dynamical views as well as time slices enable a proper visualization of sediment structures and the )' ET endstream endobj 6 0 obj << /Length 316 /Filter /FlateDecode >> stream xMRKnCAۿSpk`y^Uu[jIɒT%C/:b}Rx\%=
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