%PDF-1.4 % 1 0 obj << /Type /Pages /Count 2 /Kids [ 2 0 R 117 0 R ] >> endobj 2 0 obj << /Type /Page /Parent 1 0 R /Resources << /ProcSet [ /PDF /Text /ImageB /ImageC /ImageI ] /Font << /QuickPDFF6828ec53 72 0 R /QuickPDFFaaed1b12 116 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 119 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:20160523123351+02'00') /ModDate (D:20160523123354+02'00') >> endobj 5 0 obj << /Length 3271 /LC /iSQP >> stream 0 Tr /QuickPDFFaaed1b12 14 Tf 0 0 0 rg 100 Tz 0 Tw 0 Tc 0 Ts BT 1 0 0 1 56.7958 770.8329 Tm (Reconstruction of Geodetic Reference Frame After the 2011 off the Pacific Coast)Tj 1 0 0 1 229.1778 752.1709 Tm (of Tohoku Earthquake)Tj ET /QuickPDFFaaed1b12 11 Tf 0 0 0 rg BT 1 0 0 1 139.6393 717.2179 Tm (Basara Miyahara, Takashi Toyofuku and Tomoaki Furuya \(Japan\))Tj ET /QuickPDFFaaed1b12 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 675.495 Tm 15.996 TL (Key words: )' ET /QuickPDFF6828ec53 12 Tf 0 0 0 rg BT 1 0 0 1 141.7323 675.495 Tm 15.768 TL (GNSS/GPS; Reference frames; Crustal deformation)' ET /QuickPDFFaaed1b12 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 647.1486 Tm 15.996 TL (SUMMARY)' ET /QuickPDFF6828ec53 10 Tf 0 0 0 rg BT 1 0 0 1 56.6929 150.7097 Tm 13.14 TL (__________________________________________________________________________________________)' ()' (Reconstruction of Geodetic Reference Frame After the 2011 off the Pacific Coast of Tohoku Earthquake \(8180\))' (Basara Miyahara, Takashi Toyofuku and Tomoaki Furuya \(Japan\))' ()' (FIG Working Week 2016)' (Recovery from Disaster)' (Christchurch, New Zealand, May 26, 2016)' ET /QuickPDFF6828ec53 12 Tf 0 0 0 rg BT 1 0 0 1 56.6929 618.8021 Tm 15.768 TL (A huge earthquake struck wide areas of eastern part of Japan on March 11th 2011. The earthquake,)' (named the 2011 off the Pacific coast of Tohoku Earthquake, occurred large coseismic crustal)' (deformation over the area. GNSS Earth Observation Network System of Japan, GEONET, detected)' (the crustal deformation soon after the earthquake. The deformation was so huge that all the)' (positions of geodetic control points, including GEONET CORS stations, triangulation control)' (points and leveling benchmarks, were largely changed. As a result, the coordinates were no more)' (consistent with those of Survey Results, which were authorized by the government for survey)' (use. Responding this inconsistency, the Geospatial Information Authority of Japan \(GSI\))' (immediately decided to stop providing the Survey Results and publicly announced it on March 14,)' (2011. )' ()' (The Survey Results were extremely important for prompt and safe reconstruction and rehabilitation)' (works after the earthquake. Therefore, reconstruction of geodetic reference frame, which was)' (prerequisite for revision of the Survey Results, was strongly required to revise the Survey Results as)' (soon as possible. However, large postseismic deformation up to several tens of centimeters a day at)' (maximum just after the earthquake was detected by GEONET. This deformation implied that if GSI)' (reconstructed the geodetic reference frame of Japan just after the earthquake, it would become)' (inconsistent with actual coordinates in a short time because of the continuing large postseismic)' (deformation. In order to cope with the contradiction, GSI verified the optimal timing for calculation)' (of the new coordinates by estimating the amount of the future accumulated postseismic deformation)' (from coordinate time series of GEONET stations. Based on the estimation, GSI decided to publish)' (the new Survey Results of GEONET stations on May 31, 2011 and those of triangulation control)' (points and leveling bench marks were also published on October 31, 2011 )' ET endstream endobj 6 0 obj << /Length 316 /Filter /FlateDecode >> stream xMRKnCAۿSpk`y^Uu[jIɒT%C/:b}Rx\%=
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