1、Surveying in Surveying in Soft Soft Mud Mud Bed Bed-Best Use the Best Use the Multibeam EchosounderMultibeam EchosounderAlex Evaristo da SilvaMarch 12,2024Oceanology International 2024Alex Evaristo da SilvaOceanographerPhD Environmental OceanographyGeophysics specialist at UMI SAN,a Brazilian compan
2、y,founded in1999,specialized in integrated solutions in management of port works(asdredging),hydro-oceanographic,geotechnical and geophysical surveys,nautical signaling,environment,maritime operations and demolition.Since,more thanused by the Brazilian Navy to updatethe nautical chart.Hydrography at
3、 UMI SANR2 SONIC 2024 and 2022Trimble APPLANIX I2NS Type II WaveMasterR2Sonic I2NS Integrated Inertial Navigation SystemLiDAR VLP-16 Puck Lite da VelodyneODOM ECHOTRAC MKIII,CVM,CV100Teledyne ECHOTRAC E204125 Edge Tech Side Scan SonarApplied Acoustic Systems(Boomer A301,CSP-D)Hydrographic softwareHy
4、drography at UMI SANUMI SAN has its own vessels;Boats for hydroceanographic survey that includes workstation foranalysis and data processing in real time,with high autonomy for longexpeditions in open sea in boarding regime(24 hours);Moonpool;Autonomous Surface Vehicles(OCEAN SL40)Solar energy.R2 So
5、nic recommendations What means the Best Use of the Multibeam Echosounder?NORMAM 501 Brazilian NavyGood quality of Multibeam Hydrographic SurveyCan be used for updating nautical documents(Special Order)What means the Best Use of the Multibeam Echosounder?What is the challenge of surveying over muddy?
6、Quality degradation of multibeam data(mismatching)Spikes(spurious depth)causing gaps on surface“W”or“V”-shaped featureDouble bottomAcquisition Parameters TestStudy Areaperformed between 2020 and 2023 along 14 different ports in BrazilMultibeam sonar 2022 or 2024 R2 Sonic modelVisual analysis of mudM