8,135 Works

Surface topography and snow depth measured during the ALERT2018 campaign (MAP Last Ice) at station ALERT2018_09

Philipp Anhaus, Christian Katlein, Arttu Jutila & Christian Haas
Measurements of surface topography have been performed using a Terrestrial Laser Scanner (VZ-400i, RIEGL, Horn, Austria) on First-Year-Ice during the ALERT2018 campaign (Multidisciplinary Arctic Program (MAP) - Last Ice) off Alert, Nunavut, Canada in the Lincoln Sea in May 2018. The scans were performed across an approx. 100 times 100 m wide patch. The laser scanner was mounted on a tripod approx. 2 m above the surface and had a wavelength of 1550 nm. The...

Melt pond fraction over Arctic sea ice during 2000-2019

Yifan Ding, Jiping Liu, Xiao Cheng & Shengzhe Chen
This dataset includes melt pond fraction (MPF) over Arctic sea ice during 2000-2019. The spatial coverage of this data is north of 60 °N. The MPF data is projected on a polar stereographic grid with a spatial resolution of 12.5 km and a temporal resolution of 8-day intervals from May 9 to September 6, which is archived in the NetCDF format. This dataset was jointly developed by the Beijing Normal University, University at Albany-State University...

Multibeam bathymetry raw data (Kongsberg EM710 entire data set) of RV METEOR during cruise M76/3b

Antje Boetius
Multibeam bathymetry raw data using the ship's own Kongsberg EM 710 multibeam echosounder was partially recorded during RV METEOR cruise M76/3b. Data were recorded on 7 days between 2020-07-17 and 2020-08-23 in the South Atlantic Ocean.Ancillary sound velocity calibration measurements using sound velocity profiles (SVP) are not part of this dataset publication.Data are unprocessed and therefore may contain incorrect depth measurements without further processing. Data can be processed e.g. with the open source software package...

Total sea-ice thickness measurements during the ALERT2018 campaign (MAP Last Ice) at station ALERT2018_24

Philipp Anhaus, Christian Katlein, Arttu Jutila & Christian Haas
Total sea-ice thickness measurements were obtained using a ground-based electromagnetic sound device (EM31-SH, Geonics Limited, Mississauga, ON, Canada) during walking surveys on First-Year-Ice during the ALERT2018 campaign (Multidisciplinary Arctic Program (MAP) - Last Ice) off Alert, Nunavut, Canada in the Lincoln Sea in May 2018. The walks were along a 100 m transect and across an approx. 100 times 100 m wide patch.

Middle Eocene to early Oligocene biomarker data and TOC% from SE Australia

Vittoria Lauretano, Alan T Kennedy-Asser, Vera A Korasidis, Malcolm W Wallace, Paul J Valdes, Daniel J Lunt, Richard D Pancost & Bernhard David A Naafs

Laboratory measurements of food consumption and preference in Haliotis squamata from Bali, Indonesia, under different temperature regimes: Experiment 2 data

Mark Lenz, An Nisa Nurul Suci, Veronika Mitterwallner & Neviaty P Zamani
To test whether food consumption in Haliotis squamata is a function of temperature (Experiment 1), we produced agar-pellets containing Ulva lactuca powder (Xi'an XiaoCao Botanical Development Co., Ltd, China). For the assays, in which we tested whether the diet composition of H. squamata changes with temperature (Experiment 2), fragments of living macroalgae from the Bay of Tidung Island, Thousand Islands, Indonesia, were used. We collected specimens of the red macroalga Gracilaria salicornia and algae belonging...

Laboratory measurements of food consumption and preference in Haliotis squamata from Bali, Indonesia, under different temperature regimes: Experiment 2 PERMANOVA

Mark Lenz, An Nisa Nurul Suci, Veronika Mitterwallner & Neviaty P Zamani
To test whether food consumption in Haliotis squamata is a function of temperature (Experiment 1), we produced agar-pellets containing Ulva lactuca powder (Xi'an XiaoCao Botanical Development Co., Ltd, China). For the assays, in which we tested whether the diet composition of H. squamata changes with temperature (Experiment 2), fragments of living macroalgae from the Bay of Tidung Island, Thousand Islands, Indonesia, were used. We collected specimens of the red macroalga Gracilaria salicornia and algae belonging...

Large-scale, long-term estimates of stream length impacted by wildfire for the western US

Grady Ball, Peter Regier, Ricardo González-Pinzón & David Van Horn
Wildfires are increasing globally in frequency, severity, and extent, but their impact on aquatic ecosystems, and the resources they provide, remains unclear. Here, we combine remote sensing of burn perimeter and severity, in-situ water quality monitoring, and longitudinal modeling to create the first large-scale, long-term estimates of stream length impacted by wildfire for the western US. We found that wildfires directly impacted ~6% of the total stream length between 1984 and 2014, increasing at a...

Benthic bacterial communities in coastal sandy sediments (Isfjorden, Svalbard)

Katrin Knittel, Sebastian Miksch, Gunter Wegener & Mirja Meiners
Coastal sands are biocatalytic filters for dissolved and particulate organic matter of marine and terrestrial origin. In this study, we accessed the variability of benthic bacterial communities over two annual cycles in Isfjorden (Svalbard, 78°N) sediments, where primary production does not occur during winter. Sandy sediment samples were obtained with a Van Veen grab. Benthic community structure in surface sediments (0-2 cm depth) was studied on the level of cell counts (DAPI staining, CARD-FISH) and...

Seawater carbonate chemistry and maximum quantum yield and relative electron transfer rate of microalgal communities in Antarctic pack ice

Thomas Coad, Andrew McMinn, Daiki Nomura & Andrew Martin
Increased anthropogenic CO2 emissions are causing changes to oceanic pH and CO2 concentrations that will impact many marine organisms, including microalgae. Phytoplankton taxa have shown mixed responses to these changes with some doing well while others have been adversely affected. Here, the photosynthetic response of sea-ice algal communities from Antarctic pack ice (brine and infiltration microbial communities) to a range of CO2 concentrations (400 ppm to 11,000 ppm in brine algae experiments, 400 ppm to...

Amino acid and carbohydrate patterns across Fram Strait during POLARSTERN cruise PS107

Julia Grosse, Eva-Maria Nöthig, Sinhue Torres-Valdés & Anja Engel
Amino acids (AA) and carbohydrates (CHO) are produced by phytoplankton as part of the particulate organic carbon (POC) fraction, and can subsequently be released into the dissolved organic carbon (DOC) pool serving as food for heterotrophs. We investigated changes in quantity and quality of POC and DOC, individual AA and individual CHO across Fram Strait in summer 2017. We evaluate the organic matter processing and show that AA and CHO composition substantially differs between the...

Geochemistry of sediment core PS2498-1

Gerhard Kuhn & Gerhard Bohrmann

Sedimentology of core PS1834-1

Gerhard Kuhn

Susceptibility of sediment core PS2089-2

Gerhard Kuhn

Susceptibility raw data of sediment core PS2256-1

Gerhard Kuhn

Physical properties of sediment core PS58/295-1

Gerhard Kuhn

Physical properties of sediment core PS58/280-2

Gerhard Kuhn

X-ray fluorescence on sediment core POS413_42-4 (raw data from XRF-core scanner)

Frank Lamy

X-ray fluorescence on sediment core MD07-3093 (raw data from XRF-core scanner)

Gerhard Kuhn

X-ray fluorescence on sediment core PG1975-1 (raw data from XRF-core scanner)

Boris K Biskaborn & Bernhard Diekmann

X-ray fluorescence on sediment core PS75/064-1 (raw data from XRF-core scanner)

Rainer Gersonde, Frank Lamy, Silke Steph & Oliver Esper

Linescanner images of sediment core PS56/211-2

Gerhard Kuhn
RGB and Lab raw data: http://hs.pangaea.de/Raw/PS/PS56/PS56_211-2_color.zip

Linescanner images of sediment core MD07-3082

Gerhard Kuhn
RGB and Lab raw data: http://hs.pangaea.de/Raw/MD/MD07/MD07-3082_color.zip

Linescanner images of sediment core PS72/404-4

Jens Matthiessen
RGB and Lab raw data: http://hs.pangaea.de/Raw/PS/PS72/PS72_404-4_color.zip

Linescanner images of sediment core PS75/096-4

Gerhard Kuhn
RGB and Lab raw data: http://hs.pangaea.de/Raw/PS/PS75/PS75_096-4_color.zip

Registration Year

  • 2021
    8,135

Resource Types

  • Dataset
    7,677
  • Collection
    458

Affiliations

  • University of Iowa
    8
  • Bjerknes Centre for Climate Research
    5
  • Alfred Wegener Institute - Wadden Sea Station Sylt
    5
  • Geophysical Institute, University of Bergen
    5
  • Institute of Mineralogy, Leibniz University of Hannover
    4
  • Naturhistorisches Museum Basel
    4
  • MARUM - Center for Marine Environmental Sciences, University Bremen
    4
  • Albrecht-von-Haller-Institut für Pflanzenwissenschaften, Georg-August-Universität
    1
  • Palynologie und Klimadynamik, Georg-August-Universität Göttingen
    1
  • GEOMAR - Helmholtz Centre for Ocean Research Kiel
    1