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GTS Bulletin: SMVX01 EDZW - Surface data (details are described in the abstract)

The SMVX01 TTAAii Data Designators decode as: T1 (S): Surface data T1T2 (SM): Main synoptic hour (Remarks from Volume-C: SHIP)

GTS Bulletin: IUKD22 EDZW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The IUKD22 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IU): Upper air T1T2A1 (IUK): Radio soundings from fixed land stations (up to 100 hPa) A2 (D): 90°E - 0° northern hemisphere(The bulletin collects reports from stations: 10113;Norderney;) (Remarks from Volume-C: High resolution 2 sec., BUFR309057) IUKD22 BUFR bulletin available 10113 Norderney from EDZW (Deutscher Wetterdienst) up to 100 hPa. at 00 UTC, 12 UTC, ON DEMAND 06 UTC, 18 UTC

GTS Bulletin: IUKD31 EDZW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The IUKD31 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IU): Upper air T1T2A1 (IUK): Radio soundings from fixed land stations (up to 100 hPa) A2 (D): 90°E - 0° northern hemisphere(The bulletin collects reports from stations: 10238;Bergen;) (Remarks from Volume-C: High resolution 2 sec., BUFR309057) IUKD31 BUFR bulletin available 10238 Bergen from EDZW (Deutscher Wetterdienst) up to 100 hPa. at 00, 06, 12, 18 UTC

GTS Bulletin: IUKD13 EDZW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The IUKD13 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IU): Upper air T1T2A1 (IUK): Radio soundings from fixed land stations (up to 100 hPa) A2 (D): 90°E - 0° northern hemisphere(The bulletin collects reports from stations: 10771;Kümmersbruck;) (Remarks from Volume-C: high resolution 2 sec.)

GTS Bulletin: PWSE10 EDZW - Pictorial information (Binary coded) (details are described in the abstract)

The PWSE10 TTAAii Data Designators decode as: T1 (P): Pictorial information (Binary coded) T1T2 (PW): Wind A1 (S): Southern hemisphere A2 (E): 24 hours forecast T1ii (P10): 100 hPa (Remarks from Volume-C: WAFS W+T H+24 FL 530 (ICAO B))

GTS Bulletin: ISMD01 EDZW - Observational data (Binary coded) - BUFR (details are described in the abstract)

The ISMD01 TTAAii Data Designators decode as: T1 (I): Observational data (Binary coded) - BUFR T1T2 (IS): Surface/sea level T1T2A1 (ISM): Main synoptic observations from fixed land stations A2 (D): 90°E - 0° northern hemisphere(The bulletin collects reports from stations: 10004;UFS TW Ems;10015;Helgoland;10020;List auf Sylt;10035;Schleswig;10055;Fehmarn;10147;Hamburg-Fuhlsbüttel;10162;Schwerin;10184;Greifswald;10200;Emden;10224;Bremen;10270;Neuruppin;10338;Hannover;10361;Magdeburg;10393;Lindenberg;10400;Düsseldorf;10469;Leipzig/Halle;10488;Dresden-Klotzsche;10506;Nürburg-Barweiler;10548;Meiningen;10637;Frankfurt/Main;10685;Hof;10738;Stuttgart-Echterdingen;10763;Nürnberg;10788;Straubing;10852;Augsburg;10946;Kempten;) (Remarks from Volume-C: SYNOP)

Topographische Karte 1 : 50 000

Flächendeckend für Hamburg gibt es 5 Karten (gefaltet). Sie sind weitgehend einheitlich gestaltet und zeichnen sich durch ihre hohe Informationsdichte, Detailreichtum und Genauigkeit aus, z.B. politische Grenzen, Verkehrsnetz, Gewässer- und Geländeformen, Bodenbewachsung, topographische Einzelheiten wie Kirchen, Türme, Windmühlen und trigonometrische Punkte.

L 2526 Hamburg-Wandsbek

Flächendeckend für Hamburg gibt es 5 Karten (gefaltet). Sie sind weitgehend einheitlich gestaltet und zeichnen sich durch ihre hohe Informationsdichte, Detailreichtum und Genauigkeit aus, z.B. politische Grenzen, Verkehrsnetz, Gewässer- und Geländeformen, Bodenbewachsung, topographische Einzelheiten wie Kirchen, Türme, Windmühlen und trigonometrische Punkte.

Grundwassermessstelle DEGM_DENW_040071005: 0 07 100 - HS 115

Stammdaten und Analysedaten zu den Grundwassermessstellen im EUA-Messnetz: Messtelle DEGM_DENW_040071005 (0 07 100 - HS 115)

Radiometric dating reveals sediment dynamics of restored polders and a reference salt marsh: implications for accretion and blue carbon in the Wadden Sea

Salt marshes are valued for their ecosystem services, including blue carbon storage, biodiversity support, and wave attenuation. Reconstructing long-term sedimentation dynamics is essential for assessing accretion rates and blue carbon stocks, and for projecting the future development of salt marsh ecosystems under global change. Radiometric dating, based on lead (²¹⁰Pb) and cesium (¹³⁷Cs) profiles, is a suitable method for this purpose. We applied it to soil cores from restored polders and a reference salt marsh in the souther part of the German Wadden Sea. A total of three soil cores (topsoil down to a maximum depth of 90 cm) were collected from two former polders, restored 15 years ago (recently grazed) and 30 years ago (managed, ungrazed), and from a reference salt marsh with similar geomorphological settings. Cores were taken by driving a tube (10 cm in diameter) into the soil, and sampling-related compaction was corrected. Cores were cut into 2 cm slices, dried to constant weight at 105 °C, and ground to <630 µm. Homogenized, sealed samples were analyzed at Laboratory of Radioisotopes, University of Göttingen after an equilibration period of 28 days, using a high-purity germanium detector (ORTEC C-Series PROFILE GEM Coaxial P-type, Ametek GmbH, Meerbusch, Germany; relative efficiency 30%, resolution 1.9 keV at 1.33 MeV) with a counting time of 69 h. Energy and efficiency calibration was performed with a commercially available multi-gamma standard solution (No. 7603, Eckert & Ziegler Isotope Products, Valencia, CA, USA). Activities of ²¹⁰Pb, ²¹⁴Pb, ²¹⁴Bi, ¹³⁷Cs, and ²⁴¹Am were determined from the peaks of discrete gamma energy lines using LabVision (v. 3.2.7.0, AMETEK/ORTEC). The measurements revealed distinct ¹³⁷Cs peaks, most likely corresponding to the 1986 Chernobyl accident and the nuclear weapons tests of the 1950s, while ²¹⁰Pb activity decreased with soil depth in all cores. Radiometric dating of soil cores from restored polders and the reference salt marsh thus provides valuable data for comparing the sediment dynamics of restored polders with those of a natural salt marsh.

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