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Luftbilder Hamburg - DOP Zeitreihe Wattenmeer

Die Zeitreihe zeigt Luftbildaufnahmen (Digitale Orthophotos) des FHH-zugehörigen Wattenmeers, einschließlich der Inseln. Die Aufnahmen erfolgen etwa alle 6 Jahre über eine Flugzeugbefliegung und bieten mit einer Auflösung von 0,2 m eine beeindruckende Detailgenauigkeit. Die Daten stehen als Dienst (WMS-t) sowie als Downloaddateien zur Verfügung. Empfehlung: Ein Download ist nicht immer notwendig. Für viele Anwendungen reicht die Einbindung des Dienstes über ein GIS oder Geoportal völlig aus. Das ist nicht nur performanter, sondern spart auch eine Menge Speicherplatz.

Naturschutzgebiete (Landkreis Göttingen)

Rechtsgrundlage: Naturschutzgebiet § 23 BNatSchG und § 16 NAGBNatSchG. Schutzintensität: hoch. Naturschutzgebiete sind rechtsverbindlich festgesetzte Gebiete, in denen ein besonderer Schutz von Natur und Landschaft in ihrer Ganzheit oder in einzelnen Teilen erforderlich ist 1. Zur Erhaltung, Entwicklung oder Wiederherstellung von Lebensstätten, Biotopen oder Lebensgemeinschaften bestimmter wild lebender Tier- und Pflanzenarten, 2. aus wissenschaftlichen, naturgeschichtlichen oder landeskulturellen Gründen oder 3. wegen ihrer Seltenheit, besonderen Eigenart oder hervorragenden Schönheit. Verordnete Naturschutzgebiete (NSG) im Landkreis Göttingen sind: NSG "Bachtäler im Kaufunger Wald" als Kernzone für die Umsetzung eines Teils des gleichnamigen FFH-Gebiets Nr. 143; NSG "Butterberg und Hopfenbusch bei Bartolfelde" als Umsetzung des FFH-Gebiets Nr. 405 "Butterberg/Hopfenbusch"; NSG "Ballertasche" als Umsetzung des gleichnamigen FFH-Gebiets Nr. 141; NSG "Finnenbruch, Großes Butterloch und Schwimmende Insel"; NSG "Gipskarstgebiet bei Bad Sachsa "; NSG "Gipskarstlandschaft bei Ührde"; NSG "Gipskarstlandschaft Hainholz" als Umsetzung des FFH-Gebiets Nr. 133 "Gipskartsgebiet bei Osterode"; NSG "Göttinger Wald" als Umsetzung des gleichnamigen FFH-Gebiets Nr. 138; NSG "Großer Leinebusch"; NSG Oderaue"; NSG "Ossenberg-Fehrenbusch"; NSG "Rhumeaue, Ellerniederung, Schmalau und Thiershäuser Teiche" als Umsetzung des FFH-Gebiets Nr. 134 "Sieber, Oder, Rhume"; NSG "Seeanger, Retlake, Suhletal" als Umsetzung des gleichnamigen FFH-Gebiets Nr. 139 und eines Teils des Vogelschutzgebiets V 19; NSG "Seeburger See" als Umsetzung des gleichnamigen FFH-Gebietes Nr. 140 und eines Teils des Vogelschutzgebiets V 19; NSG "Siebertal"; NSG "Staufenberg"; NSG "Steinberg bei Scharzfeld"; NSG "Teufelsbäder"; NSG "Totenberg"; NSG "Weper, Gladeberg und Aschenburg" als Kernzone für die Umsetzung eines Teils des gleichnamigen FFH-Gebiets Nr. 132; NSG "Bratental" (Stadt GÖ nachrichtlich); NSG "Stadtwald Göttinger u. Kerstlingeröder Feld" (Stadt GÖ nachrichtlich). Für die NSG, die der Umsetzung von FFH-Gebieten dienen, wurden teilweise Lebensraumtypen (LRT), Erhaltungszustände (EHZ) und Fortpflanzungs- und Ruhestätten (F+R) definiert, die Bestandteil des jeweiligen Schutzzwecks sind.

Methane concentration and diffusive flux in the Northern Sea off Heligoland in 2024

As part of the MOSES Project, in April 2023 methane measurements were started in the north-western part of the island Heligoland in the German Bight (North Sea). The objective was to complement the measurements of the Sternfahrten to identify the carbon cycle and its flow from the start of the Elbe river into the North Sea. Therefore, a Contros methane sensor for dissolved methane was deployed under water at about 10 to 12 meter depth (depending on the tide) close to the underwater observatory (UW-OBS) MarGate (54°11' N, 7°52' E), from the COSYNA Project. To ensure correct values latter was cleaned frequently from growing organisms by scientific divers. The present data contains the data from 2024, the second year running the sensors. Based on the concentrations of dissolved methane the methane emissions (diffusive flux) was calculated.

Chlorophyll a, extracellular polymeric substance concentration and 16S rRNA gene copy numbers in saltmarsh sediments in response to a storm surge

Samples were taken to study the effect of storm surges on ecosystem functioning of salt marsh microbial communities. Sediment samples were collected from experimental salt marsh islands located in the back-barrier tidal flats of Spiekeroog Island, German North Sea (53°45′N, 7°43′E). The islands consist of three elevation zones (0.7 m, 1.0 m, and 1.3 m above mean sea level), corresponding to pioneer zone, lower salt marsh, and upper salt marsh. Six islands were sampled (three initially bare; three transplanted with lower salt marsh sediment and vegetation). Sampling was conducted in September 2022 (pre-disturbance), March 2023 (post-winter storm surges), and August 2023 (recovery phase). Surface sediments (upper 2 cm) were collected using syringe cores. Pooled samples were analyzed for chlorophyll a as a proxy for microphytobenthos biomass using ethanol extraction and spectrophotometric pigment analysis. Extracellular polymeric substances (EPS) were quantified using EDTA extraction followed by phenol–sulfuric acid carbohydrate analysis. DNA was extracted from sediment subsamples using a Qiagen PowerSoil kit. Prokaryotic abundance was estimated by quantitative PCR targeting the 16S rRNA gene (primers 519F/907R), using an Escherichia coli 16S rRNA gene standard curve. The dataset includes chlorophyll a concentrations (µg g⁻¹ dry sediment), EPS carbohydrate concentrations, and prokaryotic 16S rRNA gene copy numbers for all sampling times, elevations, and treatments.

DavisShip system (DShip) measurements in NetCDF format including weather station, thermosalinograph, ferrybox and navigation system gathered during Polarstern cruise PS147

The ship campaign PS147 (Atlantic Transit) with the German research vessel Polarstern took place from 12 March to 14 April 2025. The transit proceeded from Stanley, Falkland Islands, to Bremerhaven, Germany, with a stopover in Mindelo, Cape Verde, dividing the campaign into two sections, PS147/1 and PS147/2. During the voyage, several climate zones were crossed, including the Intertropical Convergence Zone (ITCZ). Here, we present data from the ship-integrated instruments within the DavisShip system (DShip), including meteorological parameters from the weather station as well as ship position and orientation from the navigation system. These data form part of a series of standardized datasets of atmospheric observations collected during the PS147 campaign.

Continuous meteorological observations at DynaCom automatic weather station, Spiekeroog, Germany, 2025-01 to 2025-12

Data presented here were collected between January 2025 to December 2025 within the research unit DynaCom (Spatial community ecology in highly dynamic landscapes: From island biogeography to metaecosystems, https://uol.de/dynacom/ ) of the Universities of Oldenburg, Göttingen, and Münster, the iDiv Leipzig and the Nationalpark Niedersächsisches Wattenmeer. Experimental islands and saltmarsh enclosed plots were created in the back barrier tidal flat and in the saltmarsh zone of the island of Spiekeroog. Meteorological data were collected near the experimental setup, with a locally installed weather station located approximately 500m north of the southern shoreline. The weather station system used here was a ClimaSensor US 4.920x.00.00x that was pre-calibrated by the manufacturer (Adolf Thies GmbH & Co. KG, D-Göttingen). Data were recorded and saved within the Processcontrol Weather (c) -4H- JENA engineering GmbH (v20.1.0.1 2020) software in a sampling interval of 1 min, with an averaging time of 10 s. Date and time were given in UTC and the position was derived from the internal GPS system. Data handling was performed according to Zielinski et al. (2018): Post-processing of collected data was done using MATLAB (R2024b). Quality control was performed by (a) erasing data covering maintenance activities, (b) removing outliers, defined as data exhibiting changes of more than two standard deviations within one time step, and (c) visually checks.

ATKIS Basis-DLM (Präsentationsdienst)

Das ATKIS Basis-DLM bildet die topographischen Objekte einer Landschaft in Form von Vektordaten und unterschiedlichen Attributwerten ab. Die vorliegende Präsentation dient der Veranschaulichung der Strukturen dieses komplexen Datenmodells.

Continuous current observations near DynaCom experimental islands in the back-barrier tidal flat, Spiekeroog, Germany, 2019-11 to 2023-09

Data presented here were collected between November 2019 to September 2023 within the research unit DynaCom (Spatial community ecology in highly dynamic landscapes: From island biogeography to metaecosystems, https://uol.de/dynacom/ ) involving the Universities of Oldenburg, Göttingen, and Münster, the iDiv Leipzig and the Nationalpark Niedersächsisches Wattenmeer. Experimental islands and saltmarsh enclosed plots were established in the back-barrier tidal flat and in the saltmarsh zone of the island of Spiekeroog (Germany). A recording current meter (RCM; SEAGUARD® Recording Current Meter, Aanderaa Data Instruments AS, Bergen/Norway) was installed in the back-barrier tidal flat near the experimental islands. The sensor was bottom-mounted in a shallow tidal creek (0.59 m NHN) using a steel girder buried in the sediment, which caused the sensor to be exposed during low tide. All low-tide data have been removed from the dataset. The system was equipped with a ZPulse Doppler Current Sensor (DCS), a conductivity sensor, an oxygen optode, and two analogue sensors for chlorophyll-a and turbidity (16445). All sensors were pre-calibrated by the manufacturer. Recorded data were internally logged until readout with the SeaGuard Studio software (V1.5.23). Salinity was derived in the SeaGuard Studio software using temperature-dependent, nonlinear seawater conductivity compensation following the Practical Salinity Scale (PSS-78). Subsequent data processing was done using MATLAB (R2024b). Turbidity and chlorophyll-a data were excluded from the final dataset, as the recorded signals show implausible values and did not pass quality-control criteria. Post-processing and quality control included (a) the removal of low tide data, data covering maintenance activities, and data affected by biofouling, (b) the removal of implausible values, c) an outlier detection using the Hampel filter method, and (d) visual checks. Identified outlier were removed and synchronously removed across all associated parameters of the respective sensor.

Oxygen consumption rate, organic carbon and grain size data for intertidal sediments and oxygen concentration of pore waters data of Spiekeroog Island North Beach, May 2022 to April 2023

The permeable sandy sediments of beach aquifers receive a high input of electron acceptors, such as oxygen (O2), as well as fresh organic matter through seawater infiltration, driving the biogeochemical turnover in the subterranean estuary. Here, we experimentally determined seasonal sedimentary O2 consumption rates of intertidal sediments along a transect in the seawater infiltration zone at Spiekeroog Island North Beach, Germany, and present the data together with measurements of organic carbon and grain sizes, oxygen concentration of pore waters and beach topography. The samples were taken down to 1 m depth during two-monthly sampling campaigns from May 2022 to April 2023. Preliminary investigations of O2 consumption rates took place in in March, June and August 2017. Sediment and porewater sampling procedures were carried out as described by Massmann et al. (2023). O2 consumption rates were determined in slurry incubations of the retrieved sediments using gas tight vials (Labco Exetainer® 12 ml) equipped with O2 sensor spots (Pyroscience, OXSP5). Incubations were carried out in the dark at in situ temperatures, and vials were mounted on a rotating wheel to mimic porewater advection. The sediment's total organic carbon content was determined in a CS analyser (Eltra CS 800). Additionally, the fine fraction of the sediment was washed out and the organic carbon content of the fine sediments was measured in a CHNSO analyser (Hekatech Euro EA). The grain size distribution of the sediments was detemined using dynamic image analysis (Sympatec QICPIC). The O2 concentration in the pore water along the transect was measured immediately after the sample was taken using a flow-through oxygen optode (Pyroscience, OXFTC). The data was collected to investigate the impact of seasonal inputs and filtration efficiency on the O2 consumption during seawater infiltration into the permeable sands of beach aquifers.

Beach topography data of Spiekeroog Island North Beach, May 2022 to April 2023

Sandy beaches are highly dynamic land-ocean transition zones. For two-monthly sampling campaigns from May 2022 to April 2023, the beach topography along a sampling transect in the seawater infiltration zone at Spiekeroog Island North Beach, Germany, was obtained using Digital Elevation Models (DEMs) derived from aerial imagery during drone flights and manual Real-Time-Kinematic (RTK) differential GPS-surveys. In December 2022, the data was obtained using differential GPS measurements (Stonex S9 III Plus GNSS) because of unfavorable conditions for drone flights. These measurements were carried out in connection with sediment and pore water sampling along the transect during the campaigns. The data was collected to investigate the impact of morphodynamics on the O2 consumption during seawater infiltration into the permeable sands of beach aquifers.

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