Bathymetrie der METEOR-Reise M 176
Bathymetry of METEOR cruise M 176

Fahrtleiter
Chief Scientist		 Dr. Jörg Geldmacher
Vermessungszeitraum
Survey Period 		2021/07/31 - 2021/08/29
Auslaufhafen
Port of Departure 		Emden / Germany
Einlaufhafen
Port of Arrival 		Emden / Germany
Institution GEOMAR
Positionierungssystem
Positioning System
Primäre Navigation
Prime Navaid 		CNAV-DGPS
Sekundäre Navigation
Secondary Navaids 		-
Fehlerabschätzung
Accuracy Assessment 		<5m. Permanent checks by nautical officers and computer staff. No corrections.
Horizontales Datum
Horizontal Datum 		WGS 84
Tiefenbestimmungssystem
Bathymetric System 		SIMRAD EM122, ATLAS PARASOUND
Vertikales Datum
Vertical Datum 		Sea Level.
Datendistribution
Dataset Distribution
Verteiler
Distributor 		Bundesamt für Seeschifffahrt und Hydrographie
Neptunallee 5, 18057 Rostock
Datenmedium
Data Medium 		Compact Disc - CD
Digital Versatile Disc - DVD
File Transfer Protocol - FTP
Zitat
Citation 		Bathymetriedaten der Reise M176 des Forschungsschiffes Meteor.
Herausgeber: GEOMAR | Helmholtz-Zentrum für Ozeanforschung, Kiel 2021
DOD-Referenz
DOD-Reference 		20210019


Datensatz M176.202107.A
Dataset M176.202107.A		 Eingangsdatum: 2021/09/07
Date of Receipt
Datenart
Data Type 		Datenmenge
Data Amount 		Lotungskilometer
Surveyed Kilometres 		Seegebiet
Sea Area
Multibeam Data, Binary 5850 MByte 3850 Survey line M176
Datenformat
Data Format 		Datenprozessierung
Data Processing 		Schallgeschwindigkeitskorrektur
Sound Velocity Correction
SIMRAD EM122 (ALL) No tidal corrections. No filters are used. During M176 the EM122 had huge problems with receiver data quality (even during perfect weather condtions), which is apparently caused by age-related wear and tear of the system. Sound velocity from XSVP.


Datensatz M176.202107.B
Dataset M176.202107.B		 Eingangsdatum: 2021/09/07
Date of Receipt
Datenart
Data Type 		Datenmenge
Data Amount 		Lotungskilometer
Surveyed Kilometres 		Seegebiet
Sea Area
Sediment Acoustic Data, Binary 10202 MByte (ASD.ACF-PHF)
10195 MByte (ASD.ACF-SLF)
108 MByte (PS3-PHF)
213 MByte (SEGY-PHF)
127 MByte (SEGY-SLF)		 - Survey line M176
Datenformat
Data Format 		Datenprozessierung
Data Processing 		Schallgeschwindigkeitskorrektur
Sound Velocity Correction
ATLAS PARASOUND (ASD.ACF & PS3 & SEGY) No information. No information.