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Continuous meteorological observations at station Ny-Ålesund (2024-11)
No full textThe meteorological observatory Neumayer continuously acquires meteorological parameters. Measurements are taken on or near the meteorological 10m-mast, located some 300m south-east of the main station building. Co-located there are BSRN (Baseline Surface Radiation Network) measurements taken. The measurement interval of the raw data is approximately 6s. Data is quality controlled: All measurements are checked daily on site and again prior to publication according to BSRN standards. Knowingly affected or erroneous data is removed
Master tracks in different resolutions from POLAR 6 flight P6-253_Polarmonitor_2024_2408210401
No full textMaster tracks in different resolutions from POLAR 6 flight P6-253_Polarmonitor_2024_2408200301
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High time resolution records of sulfur and insoluble particle concentrations from five ice cores from Greenland and one from Antarctica between 1530 and 1710 CE and inferred volcanic contributions
No full textWe report high time resolution (i.e. close to monthly) non-sea-salt sulfur concentrations from six ice cores including WDC (Antarctica) and Summit2015, Summit2023, NEEM-2011-S1, TUNU2013, and B19 (Greenland) analyzed using inductively coupled plasma mass spectrometry (ICPMS) at the Desert Research Institute. For Summit 2015, Summit 2023, B19 and TUNU2013 we also provide mass concentration records of insoluble particles (5-10 μm) using an inline Abakus® laser particle counter. Additional details about the ice-core sites and analytical procedures are provided in the Supporting Data of Gabriel et al., (2025) and in the references below citing the original publications. From three monthly resolved records (WDC, Summit15, NEEM-2011-S1) we infer a mean annual cycle of background sulfur concentrations using the median across the same months in a volcanically quiescent time (1530-1580 CE) while omitting months influenced by smaller volcanic eruptions. We then subtract this mean background cycle from the total sulfur concentrations to derive volcanic sulfur concentrations (ng/g) and volcanic sulfate depositions rates (kg km-2 month-1) at nominal monthly resolution. These records are used alongside ice-core crypto-tephra to characterize volcanic eruption sources and to disentangle individual volcanic sulfur depositions on the polar ice sheets arising from temporal clusters of volcanic eruptions such as in the 1590s, 1600s, 1640s, 1660s and 1690s CE
Biogeochemistry of dissolved organic matter in a mangrove-fringed estuary in Amazonia
No full textWe studied dissolved organic matter (DOM) dynamics in a mangrove-fringed estuary in North Brazil, linking DOM composition to redox conditions at its formation sites. By combining molecular analyses with nutrient and trace metal data, we highlight the outwelling of recalcitrant DOM as a significant contributor to coastal carbon storage and present a novel molecular index (ISuP) for distinguishing DOM sources in complex coastal ecosystems. This dataset contains dissolved organic matter (DOM) molecular data from ultrahigh-resolution mass spectrometry (Fourier-transform ion cyclotron resonance mass spectrometer, FT-ICR-MS), molecular indices calculated from the FT-ICR-MS data (ISuP and ITerr) and environmental data, including dissolved organic carbon (DOC), nutrient (NOx and phosphate), and trace metal (Fe,Mn, Ba) data. Water samples were collected along a mangrove-fringed estuary near Bragança in Pará State (Brazil). Furthermore, it contains porewater samples from eight locations in the mangrove forest and tidal water samples from a mangrove creek, as described in Knoke et al. (2024)
Late Maastrichtian-early Paleocene iron (Fe) intensity data from ODP Site 208-1262, South Atlantic
No full textIron (Fe) intensity records measured by X-Ray Fluorescence (XRF) from ODP Site 1262 (Walvis Ridge, South Atlantic) covering the late Maastrichtian to early Paleocene (65.6 to 67.1 Ma). These data were measured between 2004 and 2007 and compiled to assess the magnitude of calcium carbonate dissolution at ODP Site 1262 during the Late Maastrichtian warming event and K/Pg boundary interval, since Fe is a proxy for clay content in the sediment
Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV METEOR during cruise M204
No full textRaw multibeam bathymetry data were collected aboard RV METEOR during cruise M204 using a 12kHz Kongsberg EM 122 multibeam echosounder. The expedition took place during 2024-09-27 – 2024-10-20 from Bridgetown (Barbados) to Las Palmas (Spain) in the Central Atlantic. The major aims of M204 Transformers III is to gain new insights into the seismic activity and geological processes at this largely unexplored plate boundary. Data were recorded outside EEZ in international waters. Sound velocity profiles (SVP) were applied on the data for calibration. Please see environmental data and the cruise report for details. The data are unprocessed and can therefore contain incorrect depth measurements (artifacts) if not further processed. Note that refraction errors may occur when no proper SVP is applied. Data acquisition was done by GEOMAR Helmholtz Centre for Ocean Research, provision of the data is supported by the DAM Underway Project and published according to the FAIR principles
Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV METEOR during cruise M151
No full textRaw multibeam bathymetry data were collected using the ship's own Kongsberg EM122 multibeam echosounder during the RV METEOR cruise M151 (ATHENA). The cruise took place between 2018-10-06 and 2018-10-31 (Ponta Delgada, Portugal – Funchal, Portugal). The research was conducted along the slopes of the Azores Islands, of Atlantis Seamount and of Great Meteor Seamount (including the western Little Meteor Seamount). Detailed bathymetric mapping of the slope and plateau areas was conducted using the deep-water EM122 and the shallow-water EM710, along with sub-bottom profiling, to provide information for subsequent ROV dives and sampling. Additionally, sound velocity profiles (SVP) were collected using CTD and expendable sound velocity probes. The data are archived at the Federal Maritime and Hydrographic Agency of Germany (Bundesamt für Seeschifffahrt und Hydrographie, BSH) and provided to PANGAEA database for data curation and publication. Data are unprocessed and therefore contain incorrect depth measurements (artifacts). Data can be processed e.g. with the open source software package MB-System (Caress, D. W., and D. N. Chayes, MB-System: Mapping the Seafloor, http://www.mbari.org/products/research-software/mb-system/, 2022)
Processed physical properties measured on sediment core GeoB19911-2
No full textSound knowledge about the petrophysical characteristics of a sediment core is a prerequisite for any subsequent paleoenvironmental study relying on sediment proxies. Physical properties of whole-round sediment cores are acquired as a first step of sediment core description, prior to slicing of sediment cores into two halves. Here, we present processed physical-properties data of core GeoB19911-2 acquired with a Geotek MSCL-S system on the unsplit core, retrieved during RV Maria S. Merian expedition MSM44 to West Greenland/Baffin Bay in summer 2015. Cores were processed according to the standard protocol given by the manufacturer Geotek Ltd