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Multibeam bathymetry processed data (EM 1002 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM62/2

Swath sonar bathymetry data used for that dataset was recorded during RV MARIA S. MERIAN cruise MSM62/2 using Kongsberg EM1002 multibeam echosounder. The cruise took place between 23.03.2017 and 27.03.2017 in the Baltic Sea. The cruise aimed to investigate the impact of the Littorina transgression on the inflow of saline waters into the western Baltic and assessed the potential for future diminution of ventilation in the central and northern deeper basins due to isostatic uplift [CSR]. CI Citation: Paul Wintersteller (seafloor-imaging@marum.de) as responsible party for bathymetry raw data ingest and approval. During the MSM62/2 cruise, the moonpooled KONGSBERG EM1002 multibeam echosounder (MBES) was utilized to perform bathymetric mapping in shallow depths. The echosounder has a curved transducer in which 111 beams are formed for each ping while the seafloor is detected using amplitude and phase information for each beam sounding. For further information on the system, consult https://www.km.kongsberg.com/. Postprocessing and products were conducted by the Seafloor-Imaging & Mapping group of MARUM/FB5, responsible person Paul Wintersteller (seafloor-imaging@marum.de). The open source software MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, https://www.mbari.org/products/research-software/mb-system, 2017) was utilized for this purpose. A sound velocity correction profile was applied to the MSM62/2 data; there were no further corrections for roll, pitch and heave applied during postprocessing. A tide correction was applied, based on the Oregon State University (OSU) tidal prediction software (OTPS) that is retrievable through MB-System. CTD measurements during the cruise were sufficient to represent the changes in the sound velocity throughout the study area. Using Mbeditviz, artefacts were cleaned manually. NetCDF (GMT) grids of the edited data as well as statistics were created with mbgrid. The published bathymetric EM1002 grid of the cruise MSM62/2 has a resolution of 15 m. No total propagated uncertainty (TPU) has been calculated to gather vertical or horizontal accuracy. A higher resolution is, at least partly, achievable. The grid extended with _num represents a raster dataset with the statistical number of beams/depths taken into account to create the depth of the cell. The extended _sd -grid contains the standard deviation for each cell. The DTMs projections are given in Geographic coordinate system Lat/Lon; Geodetic Datum: WGS84.

TrilaWatt: Wattflächen (2015-2021)

Definitionen: Watt wird während des Tidehochwassers überflutet und fällt bei Tideniedrigwasser trocken. Eine Abgrenzung der Wattflächen hängt daher vom Verlauf von Tidehochwasser und Tideniedrigwasser ab. Die räumliche und zeitliche Variabilität von Tidehoch- und Tideniedrigwasser führt jedoch zu einer Vielzahl an möglichen Ausdehnungen von Watt auf täglichen, monatlichen, jährlichen oder dekadischen Zeitskalen. Diese bereits große Variabilität wird zusätzlich von der langfristigen Veränderung von Tide und Topographie überlagert. Produkt: Dieser Datensatz aus dem TrilaWatt Projekt beinhaltet die Topographie des Watts für die Deutsche Buch und die Niederlande, basierend auf jahresgemittelten Daten von Tidehoch- und Tideniedrigwasser. Auf dieser Grundlage wurden mittlere Tidehoch- und Tideniedrigwasserlinien sowie deren Unschärfe (±25cm) abgeleitet. Die Intertidalfläche resultiert aus der Verschneidung von jährlich interpolierten Topographie und jährlichen, mittleren Tidehoch- und Tideniedrigwasserdaten des digitalen Zwillings. Zitat für diesen Datensatz Lepper, R., Lorenz, M., Milbradt, P., Pineda Leiva, D. F. (2025): TrilaWatt: Wattflächen (2015-2021) [Data set]. Bundesanstalt für Wasserbau. https://doi.org/10.48437/5a882d-b3a571.   English: This dataset contains the annual topography of the intertidal zone of the Wadden Sea as an intersect of modeled annually averaged tidal high and low water with topography data. Based on the intertidal topography, we estimated annual the characteristic tidal low water line, tidal high water line, and their uncertainty.

Multibeam bathymetry processed data (EM 1002 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM51/1

Swath sonar bathymetry data used for that dataset was recorded during RV MARIA S. MERIAN cruise MSM51/1 using Kongsberg EM1002 multibeam echosounder. The cruise took place between 01.02.2016 and 27.02.2016 in the Baltic Sea. The cruise aimed to perform seismo- and hydroacoustic surveys, sampling of Holocene sediments and to investigate the water column wintertime mixing close to sea-ice limits. These surveys improved the understanding of variations in the ventilation of the deeper Baltic, considering not only external climate forcing but also the effects of postglacial sealevel rise and isostatic uplift [CSR]. CI Citation: Paul Wintersteller (seafloor-imaging@marum.de) as responsible party for bathymetry raw data ingest and approval. During the MSM51-1 cruise, the moonpooled KONGSBERG EM1002 multibeam echosounder (MBES) was utilized to perform bathymetric mapping in shallow depths. 111 beams are formed for each ping while the seafloor is detected using amplitude and phase information for each beam sounding. For further information on the system, consult https://www.km.kongsberg.com/. Postprocessing and products were conducted by the Seafloor-Imaging & Mapping group of MARUM/FB5, responsible person Paul Wintersteller (seafloor-imaging@marum.de). The open source software MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, https://www.mbari.org/products/research-software/mb-system, 2017) was utilized for this purpose. A sound velocity correction profile was applied to the MSM51-1 data; there were no further corrections for roll, pitch and heave applied during postprocessing. A tide correction was applied, based on the Oregon State University (OSU) tidal prediction software (OTPS) that is retrievable through MB-System. CTD measurements during the cruise were sufficient to represent the changes in the sound velocity throughout the study area. Using Mbeditviz, artefacts were cleaned manually. NetCDF (GMT) grids of the edited data as well as statistics were created with mbgrid. The published bathymetric EM1002 grid of the cruise MSM51-1 has a resolution of 15 m. No total propagated uncertainty (TPU) has been calculated to gather vertical or horizontal accuracy. A higher resolution is, at least partly, achievable. The grid extended with _num represents a raster dataset with the statistical number of beams/depths taken into account to create the depth of the cell. The extended _sd -grid contains the standard deviation for each cell. The DTMs projections are given in Geographic coordinate system Lat/Lon; Geodetic Datum: WGS84.

Multibeam bathymetry processed data (EM 1002 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM52

Swath sonar bathymetry data used for that dataset was recorded during RV MARIA S. MERIAN cruise MSM52 using Kongsberg EM1002 multibeam echosounder. The cruise took place between 01.03.2016 and 28.03.2016 in the Baltic Sea. The cruise aimed gapless imagining of the major pre-alpine tectonic lineaments due to the fact that the Glückstadt Graben and the Avalonia-Baltica suture zone run across the southern Baltic [DOI: 10.2312/cr_msm52]. CI Citation: Paul Wintersteller (seafloor-imaging@marum.de) as responsible party for bathymetry raw data ingest and approval. During the MSM52 cruise, the moonpooled KONGSBERG EM1002 multibeam echosounder (MBES) was utilized to perform bathymetric mapping in shallow depths. It has a curved transducer of which 111 beams are formed for each ping while the seafloor is detected using amplitude and phase information for each beam sounding. For further information on the system, consult https://www.km.kongsberg.com/. Generally, the system was acquiring data throughout the entire cruise. Responsible person during this cruise / PI: Laura Frahm. Postprocessing and products were conducted by the Seafloor-Imaging & Mapping group of MARUM/FB5, responsible person Paul Wintersteller (seafloor-imaging@marum.de). The open source software MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, https://www.mbari.org/products/research-software/mb-system, 2017) was utilized for this purpose. A sound velocity correction profile was applied to the MSM52 data; there were no further corrections for roll, pitch and heave applied during postprocessing. A tide correction was applied, based on the Oregon State University (OSU) tidal prediction software (OTPS) that is retrievable through MB-System. CTD measurements during the cruise were sufficient to represent the changes in the sound velocity throughout the study area. Using Mbeditviz, artefacts were cleaned manually. NetCDF (GMT) grids of the edited data as well as statistics were created with mbgrid. The published bathymetric EM1002 grid of the cruise MSM52 has a resolution of 35 m. No total propagated uncertainty (TPU) has been calculated to gather vertical or horizontal accuracy. A higher resolution is, at least partly, achievable. The grid extended with _num represents a raster dataset with the statistical number of beams/depths taken into account to create the depth of the cell. The extended _sd -grid contains the standard deviation for each cell. The DTMs projections are given in Geographic coordinate system Lat/Lon; Geodetic Datum: WGS84.

Multibeam bathymetry processed data (Kongsberg EM2040 working area dataset) of RV ALKOR during cruise AL632, Adlergrund, Baltic Sea

Swath sonar bathymetry data used for that dataset was recorded during RV ALKOR during cruise AL632 using Kongsberg EM2040 multibeam echosounder. The cruise took place between 06.05.2025 - 13.05.2025 in the German Baltic Sea. The approximate average depth of the mapped area is around 18m. To enhance MBES data accuracy, sound velocity profile (SVP) casts were conducted in the vicinity of the working area prior to and after each survey using a CTD. In the case of the Adlergrund_West area the SVP after the survey was applied via the processing software Qimera (https://qps.nl/qimera/#). Data were manually edited for false measurements using Qimera. A raster was calculated and stored in GeoTIFF format with a 0.5 m resolution (negative values), WGS84 as vertical datum and UTM as a projection. Two working areas are located within (Adlergrund West) and adjacent to (Reference Area) the Marine Protected Area Adlergrund. The mapping has been conducted for baseline habitat studies in the area.

Physical oceanography during BALTICA cruise BO615

Conductivity-temperature-depth profiles were measured using a CTD. The CTD was equipped with duplicate sensors for temperature, conductivity and oxygen. All sensors are calibrated irregularly.

Physical oceanography during BALTICA cruise BO617

Conductivity-temperature-depth profiles were measured using a CTD. The CTD was equipped with duplicate sensors for temperature, conductivity and oxygen. All sensors are calibrated irregularly.

Nordsee: Jahr der Maximalhöhe der Gewässersohle

In den Geowissenschaften beschreibt eine Topographie die Erdoberfläche. In aquatischen Systemen wird der Begriff oft synonym zum Begriff “Bathymetrie” für die Höhenlage der Gewässersohle verwendet. Die Maximalhöhe (zmax) bezeichnet die höchsten jemals erfassten Höhenlagen der Gewässersohle (bezogen auf mNHN, Tiefen sind negativ). <strong>Datenerzeugung: </strong>Die Datengenerierung erfolgt auf Basis einer umfassenden Aggregation historischer See- und Landvermessungsdatenbestände aus dem Zeitraum 1812-2024, die unterschiedliche Höhensysteme, Messmethoden und Genauigkeiten umfassen. Für jeden Rasterknoten eines Rastergrids wird anschließend eine zeitliche Punktwolke aller relevanten Messungen aufgebaut. Im Rahmen der Vermessungskampagnen erfolgt die Übertragung der vorliegenden nähesten Messpunkte auf die Rasterpunkte mittels räumlicher Interpolationsverfahren. Abschließend wird durch eine algorithmische Auswertung der Zeitreihen der höchste jemals erfasste Höhenwert identifiziert und als Z-Werte gesetzt. <strong>Produkt: </strong>Es wird ein gerastertes topographisches Modell in der 12 Seemeilen Zone des Wattenmeers (NL, DE, DK) mit einer Rasterauflösung von 10 m als GeoTIFF bereitgestellt. Es repräsentiert nicht die absoluten historischen physikalischen Maxima an jeder Rasterknotenposition, sondern den höchsten in den Vermessungsdaten erfassten Wert pro Rasterknotenposition.

Nordsee: Maximalhöhe der Gewässersohle

In den Geowissenschaften beschreibt eine Topographie die Erdoberfläche. In aquatischen Systemen wird der Begriff oft synonym zum Begriff “Bathymetrie” für die Höhenlage der Gewässersohle verwendet. Die Maximalhöhe (zmax) bezeichnet die höchsten jemals erfassten Höhenlagen der Gewässersohle (bezogen auf mNHN, Tiefen sind negativ). <strong>Datenerzeugung: </strong>Die Datengenerierung erfolgt auf Basis einer umfassenden Aggregation historischer See- und Landvermessungsdatenbestände aus dem Zeitraum 1812-2024, die unterschiedliche Höhensysteme, Messmethoden und Genauigkeiten umfassen. Für jeden Rasterknoten eines Rastergrids wird anschließend eine zeitliche Punktwolke aller relevanten Messungen aufgebaut. Im Rahmen der Vermessungskampagnen erfolgt die Übertragung der vorliegenden nähesten Messpunkte auf die Rasterpunkte mittels räumlicher Interpolationsverfahren. Abschließend wird durch eine algorithmische Auswertung der Zeitreihen der höchste jemals erfasste Höhenwert identifiziert und als Z-Werte gesetzt. <strong>Produkt: </strong>Es wird ein gerastertes topographisches Modell in der 12 Seemeilen Zone des Wattenmeers (NL, DE, DK) mit einer Rasterauflösung von 10 m als GeoTIFF bereitgestellt. Es repräsentiert nicht die absoluten historischen physikalischen Maxima an jeder Rasterknotenposition, sondern den höchsten in den Vermessungsdaten erfassten Wert pro Rasterknotenposition.

TrilaWatt: Topographie (WMS)

Definitionen: In den Geowissenschaften beschreibt eine Topographie die Erdoberfläche. In aquatischen Systemen wird der Begriff oft synonym zum Begriff “Bathymetrie” für die Höhenlage der Gewässersohle verwendet. Im Forschungsprojekt TrilaWatt bezeichnen topographische Daten die subtidale, intertidale und supratidale Höhenverteilung im Bereich der 12 Seemeilen-Zone des Wattenmeers. Datenerzeugung: Die Basis der Datenerzeugung bilden topographische Modelle aus einer umfangreichen Datenbasis von See- und Landvermessungen verschiedenster Datentypen. Diese werden mit einem datengetriebenem Simulationsmodell über räumlich-zeitliche Interpolationsverfahren zusammengelegt. Als Kompromisse zwischen der ständige morphodynamische Aktivität im Wattenmeer und der deutlich geringeren Messfrequenz werden in TrilaWatt topographische Modelle als Jahrestopographien erstellt. Produkt: Für den Zeitraum von 2015 bis einschließlich 2021 wird ein gerastertes topographisches Modell in der 12 Seemeilen Zone des Wattenmeers mit einer gerasterten Auflösung von 10 m in Raum und Zeit zum jeweiligen Gültigkeitszeitraum des 01.07. interpoliert. Das Datenprodukt wird im GeoTIFF Format bereitgestellt. Zur Einschätzung der Unschärfe des topographischen Datensatzes werden zu jedem Datenprodukt Datenquellenkarten veröffentlicht. Weiterhin werden prototypische Topographien für die Jahre 1996-2014 (NL) sowie für 2022 (NL und DE) bereitgestellt. Weitere Produkte: Min-Z/Max-Z, Morphologischer Raum und Morphologischer Drive (2015-2021). Zitat für diesen Datensatz (DOI) - Zeitraum 2015-2021: Milbradt, P., Pineda Leiva, D. F. (2024): TrilaWatt: Topographie (2015-2021) [Dataset]. Bundesanstalt für Wasserbau. https://doi.org/10.48437/366eab-3640c8 Zitat für diesen Datensatz (DOI) - Zeitraum 1996-2014, 2022: Milbradt, P., Pineda Leiva, D. F. (2025): TrilaWatt: Topographie (1996-2014, 2022) [Data set]. Bundesanstalt für Wasserbau. https://doi.org/10.48437/4baaf0-aeaf58 English: Topography describes the study of the forms and features of land surfaces. Topographic data in aquatic systems is often also referred to as bathymetry. TrilaWatt topography data merged a large number of observational data to annual topographies using a data-driven interpolation model. Data are distributed in 10m grids as GeoTIFF files within the 12 nautical mile zone of the Wadden Sea's coast line. Additional products: Min-Z/Max-Z, Bed Elevation Range and morphological Drive (2015-2021). Download A download is located under references (in German: "Verweise und Downloads").

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