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  • 1
    Publication Date: 2021-02-04
    Description: Advective flows of seawater and fresh groundwater through coastal aquifers form a unique ecohydrological interface, the subterranean estuary (STE). Here, freshly produced marine organic matter and oxygen mix with groundwater, which is low in oxygen and contains aged organic carbon (OC) from terrestrial sources. Along the groundwater flow paths, dissolved organic matter (DOM) is degraded and inorganic electron acceptors are successively used up. Because of the different DOM sources and ages, exact degradation pathways are often difficult to disentangle, especially in high-energy environments with dynamic changes in beach morphology, source composition, and hydraulic gradients. From a case study site on a barrier island in the German North Sea, we present detailed biogeochemical data from freshwater lens groundwater, seawater, and beach porewater samples collected over different seasons. The samples were analyzed for physico-chemistry (e.g., salinity, temperature, dissolved silicate), (reduced) electron acceptors (e.g., oxygen, nitrate, and iron), and dissolved organic carbon (DOC). DOM was isolated and molecularly characterized via soft-ionization ultra-high-resolution mass spectrometry, and molecular formulae were identified in each sample. We found that the islands’ freshwater lens harbors a surprisingly high DOM molecular diversity and heterogeneity, possibly due to patchy distributions of buried peat lenses. Furthermore, a comparison of DOM composition of the endmembers indicated that the Spiekeroog high-energy beach STE conveys chemically modified, terrestrial DOM from the inland freshwater lens to the coastal ocean. In the beach intertidal zone, porewater DOC concentrations, lability of DOM and oxygen concentrations, decreased while dissolved (reduced) iron and dissolved silicate concentrations increased. This observation is consistent with the assumption of a continuous degradation of labile DOM along a cross-shore gradient, even in this dynamic environment. Accordingly, molecular properties of DOM indicated enhanced degradation, and “humic-like” fluorescent DOM fraction increased along the flow paths, likely through accumulation of compounds less susceptible to microbial consumption. Our data indicate that the high-energy beach STE is likely a net sink of OC from the terrestrial and marine realm, and that barrier islands such as Spiekeroog may act as efficient “digestors” of organic matter.
    Electronic ISSN: 2296-7745
    Topics: Biology
    Published by Frontiers Media
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  • 2
  • 3
    Publication Date: 2024-02-14
    Description: Subterranean estuaries are connective zones between inland aquifers and the open sea where terrestrial freshwater and circulating seawater mix and undergo major biogeochemical changes. They are biogeochemical reactors that modify groundwater chemistry prior to discharge into the sea. We propose that subterranean estuaries of high-energy beaches are particularly dynamic environments, where the effect of the dynamic boundary conditions propagates tens of meters into the subsurface, leading to strong spatio-temporal variability of geochemical conditions. We hypothesize that they form a unique habitat with an adapted microbial community unlike other typically more stable subsurface environments. So far, however, studies concerning subterranean estuaries of high-energy beaches have been rare and therefore their functioning, and their importance for coastal ecosystems, as well as for carbon, nutrient and trace element cycling, is little understood. We are addressing this knowledge gap within the interdisciplinary research project DynaDeep by studying the combined effect of surface (hydro- and morphodynamics) on subsurface processes (groundwater flow and transport, biogeochemical reactions, microbiology). A unique subterranean estuary observatory was established on the northern beach of the island of Spiekeroog facing the North Sea, serving as an exemplary high-energy research site and model system. It consists of fixed and permanent infrastructure such as a pole with measuring devices, multi-level groundwater wells and an electrode chain. This forms the base for autonomous measurements, regular repeated sampling, interdisciplinary field campaigns and experimental work, all of which are integrated via mathematical modelling to understand and quantify the functioning of the biogeochemical reactor. First results show that the DynaDeep observatory is collecting the intended spatially and temporally resolved morphological, sedimentological and biogeochemical data. Samples and data are further processed ex-situ and combined with experiments and modelling. Ultimately, DynaDeep aims at elucidating the global relevance of these common but overlooked environments.
    Type: Article , PeerReviewed
    Format: text
    Format: video
    Format: image
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  • 4
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    PANGAEA
    In:  Institute for Chemistry and Biology of the Marine Environment, Carl-von-Ossietzky University of Oldenburg, Germany
    Publication Date: 2023-07-17
    Description: Data presented here were collected during the cruise UT201606 (Project HAB DK/Limfjord) with the RV Uthörn from Bremerhaven to Bremerhaven (June 13, 2016 to June 30, 2016) , with station work in the German Bight, the Limfjord and the Baltic Sea. In total, 44 vertical CTD-hauls were conducted. The CTD system used was a Sea-Bird Electronics Inc. SBE 19plus, attached to a SBE 55 Carousel Water Sampler containing 6 x 4-liter bottles. The system was equipped with: single temperature and conductivity probe (SBE 7245), a pressure sensor (Digiquartz), and a fluoroscence sensor (Wetlabs FLNTU, SN 0773). The sensors were pre-calibrated by the manufacturers. The data were recorded with the Seasave 7.22.2 software and processed using SeaBird SBE Data Processing software. Data were despiked, and also visually checked. The ship position was derived from the shipboard GPS-system. The time zone is given in UTC.
    Keywords: Baltic Sea; Conductivity; CTD, Sea-Bird, SBE 19plus; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Event label; Fluorometer; Fluorometer, WET Labs FLNTU, SN 773; Kattegat; Latitude of event; Longitude of event; North Sea; Pressure, water; Pressure sensor, Digiquartz; Salinity; Temperature, water; Temperature, water, potential; The Great Belt; UT1606; UT1606/01-1; UT1606/02-1; UT1606/03-1; UT1606/04-1; UT1606/05-1; UT1606/06-1; UT1606/07-1; UT1606/08-1; UT1606/09-1; UT1606/10-1; UT1606/11-1; UT1606/12-1; UT1606/13-1; UT1606/14-1; UT1606/15-1; UT1606/16-1; UT1606/17-1; UT1606/18-1; UT1606/19-1; UT1606/20-1; UT1606/21-1; UT1606/22-1; UT1606/23-1; UT1606/24-1; UT1606/25-1; UT1606/26-1; UT1606/27-1; UT1606/28-1; UT1606/29-1; UT1606/30-1; UT1606/31-1; UT1606/32-1; UT1606/33-1; UT1606/34-1; UT1606/35-1; UT1606/36-1; UT1606/37-1; UT1606/38-1; UT1606/39-1; UT1606/40-1; UT1606/41-1; UT1606/42-1; UT1606/43-1; UT1606/44-1; Uthörn
    Type: Dataset
    Format: text/tab-separated-values, 20629 data points
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  • 5
    Publication Date: 2024-03-06
    Description: Data presented here were collected during the cruise MSM56 with MARIA S MERIAN from Longyearbyen, Svalbard to Reykjavik, Iceland (July 2nd, 2016 - July 25th, 2016). In total, 133 underwater light profiles were collected at 68 stations (with at least three repititions), using a free-falling hyperspectral light profiler. The system used was a SEABIRD HyperPro II (SN 143, former Satlantic), equipped with a irradiance sensor to measure downwelling irradiance (Ed, SN 392) and a radiance sensor for upwelling radiance (Lu, SN 323). A reference unit was attached to the ship to measure the above water irradiance (Es, SN 393). The sensors were pre-calibrated by the manufacturer. Data were recorded with the SatView software (V 2.9.5_7) and processed from raw to Level1, 1b, 2, 2s to Level 3a using the ProSoft Processing software (V 7.7.19_2). Measured data were binned in 0.5 m depth intervals. A dark correction was made automatically based on shutter measurements by the instrument. Measurements with a tilt higher than 5° were not taken into account during processing. Spectra were interpolated to 1 nm intervals. For each station the hyperspectral profiles for each parameter cover the wavelength range from 400-700 nm, for Ed and Es in [W/m² nm], for Lu in [W/m² nm sr]. For Ed, Lu and Es descriptive statistics are given including min, max, mean, median and standard deviation of the tilt and the photosynthetically active radiation PAR [µmol photons/m² s (sr)], integrated from 400 - 700 nm. Statistics are not given for profiles which do not reach the 1% PAR depth. To allow an assignment of above water conditions to the respective depth measurements, Es spectra were given as a function of depth, recalculated from data Level2s. The profiler measurements were only conducted during daylight. Raw data are available on request from the principal investigator. Chief Scientist of MSM56: Dr. Koch, B. P., Alfred-Wegener-Institute, Helmholtz Centre for Polar and Marine Research
    Keywords: Arnarfjörður; Ed; Es; hyperspectral; ICBM; Iceland Sea; Institut für Chemie und Biologie des Meeres; irradiance; Kongsfjorden; Lu; North Greenland Sea; radiance; Scoresby Sound; underwater light field
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 6
    Publication Date: 2024-03-06
    Keywords: Arnarfjörður; DATE/TIME; DEPTH, water; ELEVATION; Es; Event label; hyperspectral; Hyperspectral free falling profiler, Sea-Bird, HyperPro II [SN: 143 / SN: 392 / SN: 323 / SN: 393]; ICBM; Iceland Sea; Identification; Institut für Chemie und Biologie des Meeres; Integrated value (400 - 700 nm); irradiance; Kongsfjorden; LATITUDE; Light/Optics; LIOP; LONGITUDE; Maria S. Merian; MSM56; MSM56_551-11; MSM56_553-4; MSM56_554-4; MSM56_556-7; MSM56_557-10; MSM56_558-6; MSM56_559-7; MSM56_560-7; MSM56_561-4; MSM56_562-3; MSM56_563-3; MSM56_564-4; MSM56_568-4; MSM56_569-6; MSM56_570-7; MSM56_571-5; MSM56_572-8; MSM56_574-4; MSM56_575-4; MSM56_580-7; MSM56_582-12; MSM56_584-8; MSM56_586-9; MSM56_588-3; MSM56_590-8; MSM56_592-10; MSM56_593-5; MSM56_594-3; MSM56_595-16; MSM56_595-28; MSM56_595-35; MSM56_595-8; MSM56_598-7; MSM56_599-8; MSM56_601-8; MSM56_603-10; MSM56_604-7; MSM56_605-8; MSM56_606-9; MSM56_607-4; MSM56_608-6; MSM56_609-4; MSM56_610-6; North Greenland Sea; Radiation, photosynthetically active; Scoresby Sound; Spectral irradiance, above water at 400 nm; Spectral irradiance, above water at 401 nm; Spectral irradiance, above water at 402 nm; Spectral irradiance, above water at 403 nm; Spectral irradiance, above water at 404 nm; Spectral irradiance, above water at 405 nm; Spectral irradiance, above water at 406 nm; Spectral irradiance, above water at 407 nm; Spectral irradiance, above water at 408 nm; Spectral irradiance, above water at 409 nm; Spectral irradiance, above water at 410 nm; Spectral irradiance, above water at 411 nm; Spectral irradiance, above water at 412 nm; Spectral irradiance, above water at 413 nm; Spectral irradiance, above water at 414 nm; Spectral irradiance, above water at 415 nm; Spectral irradiance, above water at 416 nm; Spectral irradiance, above water at 417 nm; Spectral irradiance, above water at 418 nm; Spectral irradiance, above water at 419 nm; Spectral irradiance, above water at 420 nm; Spectral irradiance, above water at 421 nm; Spectral irradiance, above water at 422 nm; Spectral irradiance, above water at 423 nm; Spectral irradiance, above water at 424 nm; Spectral irradiance, above water at 425 nm; Spectral irradiance, above water at 426 nm; Spectral irradiance, above water at 427 nm; Spectral irradiance, above water at 428 nm; Spectral irradiance, above water at 429 nm; Spectral irradiance, above water at 430 nm; Spectral irradiance, above water at 431 nm; Spectral irradiance, above water at 432 nm; Spectral irradiance, above water at 433 nm; Spectral irradiance, above water at 434 nm; Spectral irradiance, above water at 435 nm; Spectral irradiance, above water at 436 nm; Spectral irradiance, above water at 437 nm; Spectral irradiance, above water at 438 nm; Spectral irradiance, above water at 439 nm; Spectral irradiance, above water at 440 nm; Spectral irradiance, above water at 441 nm; Spectral irradiance, above water at 442 nm; Spectral irradiance, above water at 443 nm; Spectral irradiance, above water at 444 nm; Spectral irradiance, above water at 445 nm; Spectral irradiance, above water at 446 nm; Spectral irradiance, above water at 447 nm; Spectral irradiance, above water at 448 nm; Spectral irradiance, above water at 449 nm; Spectral irradiance, above water at 450 nm; Spectral irradiance, above water at 451 nm; Spectral irradiance, above water at 452 nm; Spectral irradiance, above water at 453 nm; Spectral irradiance, above water at 454 nm; Spectral irradiance, above water at 455 nm; Spectral irradiance, above water at 456 nm; Spectral irradiance, above water at 457 nm; Spectral irradiance, above water at 458 nm; Spectral irradiance, above water at 459 nm; Spectral irradiance, above water at 460 nm; Spectral irradiance, above water at 461 nm; Spectral irradiance, above water at 462 nm; Spectral irradiance, above water at 463 nm; Spectral irradiance, above water at 464 nm; Spectral irradiance, above water at 465 nm; Spectral irradiance, above water at 466 nm; Spectral irradiance, above water at 467 nm; Spectral irradiance, above water at 468 nm; Spectral irradiance, above water at 469 nm; Spectral irradiance, above water at 470 nm; Spectral irradiance, above water at 471 nm; Spectral irradiance, above water at 472 nm; Spectral irradiance, above water at 473 nm; Spectral irradiance, above water at 474 nm; Spectral irradiance, above water at 475 nm; Spectral irradiance, above water at 476 nm; Spectral irradiance, above water at 477 nm; Spectral irradiance, above water at 478 nm; Spectral irradiance, above water at 479 nm; Spectral irradiance, above water at 480 nm; Spectral irradiance, above water at 481 nm; Spectral irradiance, above water at 482 nm; Spectral irradiance, above water at 483 nm; Spectral irradiance, above water at 484 nm; Spectral irradiance, above water at 485 nm; Spectral irradiance, above water at 486 nm; Spectral irradiance, above water at 487 nm; Spectral irradiance, above water at 488 nm; Spectral irradiance, above water at 489 nm; Spectral irradiance, above water at 490 nm; Spectral irradiance, above water at 491 nm; Spectral irradiance, above water at 492 nm; Spectral irradiance, above water at 493 nm; Spectral irradiance, above water at 494 nm; Spectral irradiance, above water at 495 nm; Spectral irradiance, above water at 496 nm; Spectral irradiance, above water at 497 nm; Spectral irradiance, above water at 498 nm; Spectral irradiance, above water at 499 nm; Spectral irradiance, above water at 500 nm; Spectral irradiance, above water at 501 nm; Spectral irradiance, above water at 502 nm; Spectral irradiance, above water at 503 nm; Spectral irradiance, above water at 504 nm; Spectral irradiance, above water at 505 nm; Spectral irradiance, above water at 506 nm; Spectral irradiance, above water at 507 nm; Spectral irradiance, above water at 508 nm; Spectral irradiance, above water at 509 nm; Spectral irradiance, above water at 510 nm; Spectral irradiance, above water at 511 nm; Spectral irradiance, above water at 512 nm; Spectral irradiance, above water at 513 nm; Spectral irradiance, above water at 514 nm; Spectral irradiance, above water at 515 nm; Spectral irradiance, above water at 516 nm; Spectral irradiance, above water at 517 nm; Spectral irradiance, above water at 518 nm; Spectral irradiance, above water at 519 nm; Spectral irradiance, above water at 520 nm; Spectral irradiance, above water at 521 nm; Spectral irradiance, above water at 522 nm; Spectral irradiance, above water at 523 nm; Spectral irradiance, above water at 524 nm; Spectral irradiance, above water at 525 nm; Spectral irradiance, above water at 526 nm; Spectral irradiance, above water at 527 nm; Spectral irradiance, above water at 528 nm; Spectral irradiance, above water at 529 nm; Spectral irradiance, above water at 530 nm; Spectral irradiance, above water at 531 nm; Spectral irradiance, above water at 532 nm; Spectral irradiance, above water at 533 nm; Spectral irradiance, above water at 534 nm; Spectral irradiance, above water at 535 nm; Spectral irradiance, above water at 536 nm; Spectral irradiance, above water at 537 nm; Spectral irradiance, above water at 538 nm; Spectral irradiance, above water at 539 nm; Spectral irradiance, above water at 540 nm; Spectral irradiance, above water at 541 nm; Spectral irradiance, above water at 542 nm; Spectral irradiance, above water at 543 nm; Spectral irradiance, above water at 544 nm; Spectral irradiance, above water at 545 nm; Spectral irradiance, above water at 546 nm; Spectral irradiance, above water at 547 nm; Spectral irradiance, above water at 548 nm; Spectral irradiance, above water at 549 nm; Spectral irradiance, above water at 550 nm; Spectral irradiance, above water at 551 nm; Spectral irradiance, above water at 552 nm; Spectral irradiance, above water at 553 nm; Spectral irradiance, above water at 554 nm; Spectral irradiance, above water at 555 nm; Spectral irradiance, above water at 556 nm; Spectral irradiance, above water at 557 nm; Spectral
    Type: Dataset
    Format: text/tab-separated-values, 2594589 data points
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  • 7
    Publication Date: 2024-03-06
    Keywords: Arnarfjörður; DATE/TIME; DEPTH, water; Ed; ELEVATION; Event label; hyperspectral; Hyperspectral free falling profiler, Sea-Bird, HyperPro II [SN: 143 / SN: 392 / SN: 323 / SN: 393]; ICBM; Iceland Sea; Identification; Institut für Chemie und Biologie des Meeres; Integrated value (400 - 700 nm); irradiance; Kongsfjorden; LATITUDE; Light/Optics; LIOP; LONGITUDE; Maria S. Merian; MSM56; MSM56_551-11; MSM56_553-4; MSM56_554-4; MSM56_556-7; MSM56_557-10; MSM56_558-6; MSM56_559-7; MSM56_560-7; MSM56_561-4; MSM56_562-3; MSM56_563-3; MSM56_564-4; MSM56_568-4; MSM56_569-6; MSM56_570-7; MSM56_571-5; MSM56_572-8; MSM56_574-4; MSM56_575-4; MSM56_580-7; MSM56_582-12; MSM56_584-8; MSM56_586-9; MSM56_588-3; MSM56_590-8; MSM56_592-10; MSM56_593-5; MSM56_594-3; MSM56_595-16; MSM56_595-28; MSM56_595-35; MSM56_595-8; MSM56_598-7; MSM56_599-8; MSM56_601-8; MSM56_603-10; MSM56_604-7; MSM56_605-8; MSM56_606-9; MSM56_607-4; MSM56_608-6; MSM56_609-4; MSM56_610-6; North Greenland Sea; Radiation, photosynthetically active; Scoresby Sound; Spectral irradiance, downward at 400 nm; Spectral irradiance, downward at 401 nm; Spectral irradiance, downward at 402 nm; Spectral irradiance, downward at 403 nm; Spectral irradiance, downward at 404 nm; Spectral irradiance, downward at 405 nm; Spectral irradiance, downward at 406 nm; Spectral irradiance, downward at 407 nm; Spectral irradiance, downward at 408 nm; Spectral irradiance, downward at 409 nm; Spectral irradiance, downward at 410 nm; Spectral irradiance, downward at 411 nm; Spectral irradiance, downward at 412 nm; Spectral irradiance, downward at 413 nm; Spectral irradiance, downward at 414 nm; Spectral irradiance, downward at 415 nm; Spectral irradiance, downward at 416 nm; Spectral irradiance, downward at 417 nm; Spectral irradiance, downward at 418 nm; Spectral irradiance, downward at 419 nm; Spectral irradiance, downward at 420 nm; Spectral irradiance, downward at 421 nm; Spectral irradiance, downward at 422 nm; Spectral irradiance, downward at 423 nm; Spectral irradiance, downward at 424 nm; Spectral irradiance, downward at 425 nm; Spectral irradiance, downward at 426 nm; Spectral irradiance, downward at 427 nm; Spectral irradiance, downward at 428 nm; Spectral irradiance, downward at 429 nm; Spectral irradiance, downward at 430 nm; Spectral irradiance, downward at 431 nm; Spectral irradiance, downward at 432 nm; Spectral irradiance, downward at 433 nm; Spectral irradiance, downward at 434 nm; Spectral irradiance, downward at 435 nm; Spectral irradiance, downward at 436 nm; Spectral irradiance, downward at 437 nm; Spectral irradiance, downward at 438 nm; Spectral irradiance, downward at 439 nm; Spectral irradiance, downward at 440 nm; Spectral irradiance, downward at 441 nm; Spectral irradiance, downward at 442 nm; Spectral irradiance, downward at 443 nm; Spectral irradiance, downward at 444 nm; Spectral irradiance, downward at 445 nm; Spectral irradiance, downward at 446 nm; Spectral irradiance, downward at 447 nm; Spectral irradiance, downward at 448 nm; Spectral irradiance, downward at 449 nm; Spectral irradiance, downward at 450 nm; Spectral irradiance, downward at 451 nm; Spectral irradiance, downward at 452 nm; Spectral irradiance, downward at 453 nm; Spectral irradiance, downward at 454 nm; Spectral irradiance, downward at 455 nm; Spectral irradiance, downward at 456 nm; Spectral irradiance, downward at 457 nm; Spectral irradiance, downward at 458 nm; Spectral irradiance, downward at 459 nm; Spectral irradiance, downward at 460 nm; Spectral irradiance, downward at 461 nm; Spectral irradiance, downward at 462 nm; Spectral irradiance, downward at 463 nm; Spectral irradiance, downward at 464 nm; Spectral irradiance, downward at 465 nm; Spectral irradiance, downward at 466 nm; Spectral irradiance, downward at 467 nm; Spectral irradiance, downward at 468 nm; Spectral irradiance, downward at 469 nm; Spectral irradiance, downward at 470 nm; Spectral irradiance, downward at 471 nm; Spectral irradiance, downward at 472 nm; Spectral irradiance, downward at 473 nm; Spectral irradiance, downward at 474 nm; Spectral irradiance, downward at 475 nm; Spectral irradiance, downward at 476 nm; Spectral irradiance, downward at 477 nm; Spectral irradiance, downward at 478 nm; Spectral irradiance, downward at 479 nm; Spectral irradiance, downward at 480 nm; Spectral irradiance, downward at 481 nm; Spectral irradiance, downward at 482 nm; Spectral irradiance, downward at 483 nm; Spectral irradiance, downward at 484 nm; Spectral irradiance, downward at 485 nm; Spectral irradiance, downward at 486 nm; Spectral irradiance, downward at 487 nm; Spectral irradiance, downward at 488 nm; Spectral irradiance, downward at 489 nm; Spectral irradiance, downward at 490 nm; Spectral irradiance, downward at 491 nm; Spectral irradiance, downward at 492 nm; Spectral irradiance, downward at 493 nm; Spectral irradiance, downward at 494 nm; Spectral irradiance, downward at 495 nm; Spectral irradiance, downward at 496 nm; Spectral irradiance, downward at 497 nm; Spectral irradiance, downward at 498 nm; Spectral irradiance, downward at 499 nm; Spectral irradiance, downward at 500 nm; Spectral irradiance, downward at 501 nm; Spectral irradiance, downward at 502 nm; Spectral irradiance, downward at 503 nm; Spectral irradiance, downward at 504 nm; Spectral irradiance, downward at 505 nm; Spectral irradiance, downward at 506 nm; Spectral irradiance, downward at 507 nm; Spectral irradiance, downward at 508 nm; Spectral irradiance, downward at 509 nm; Spectral irradiance, downward at 510 nm; Spectral irradiance, downward at 511 nm; Spectral irradiance, downward at 512 nm; Spectral irradiance, downward at 513 nm; Spectral irradiance, downward at 514 nm; Spectral irradiance, downward at 515 nm; Spectral irradiance, downward at 516 nm; Spectral irradiance, downward at 517 nm; Spectral irradiance, downward at 518 nm; Spectral irradiance, downward at 519 nm; Spectral irradiance, downward at 520 nm; Spectral irradiance, downward at 521 nm; Spectral irradiance, downward at 522 nm; Spectral irradiance, downward at 523 nm; Spectral irradiance, downward at 524 nm; Spectral irradiance, downward at 525 nm; Spectral irradiance, downward at 526 nm; Spectral irradiance, downward at 527 nm; Spectral irradiance, downward at 528 nm; Spectral irradiance, downward at 529 nm; Spectral irradiance, downward at 530 nm; Spectral irradiance, downward at 531 nm; Spectral irradiance, downward at 532 nm; Spectral irradiance, downward at 533 nm; Spectral irradiance, downward at 534 nm; Spectral irradiance, downward at 535 nm; Spectral irradiance, downward at 536 nm; Spectral irradiance, downward at 537 nm; Spectral irradiance, downward at 538 nm; Spectral irradiance, downward at 539 nm; Spectral irradiance, downward at 540 nm; Spectral irradiance, downward at 541 nm; Spectral irradiance, downward at 542 nm; Spectral irradiance, downward at 543 nm; Spectral irradiance, downward at 544 nm; Spectral irradiance, downward at 545 nm; Spectral irradiance, downward at 546 nm; Spectral irradiance, downward at 547 nm; Spectral irradiance, downward at 548 nm; Spectral irradiance, downward at 549 nm; Spectral irradiance, downward at 550 nm; Spectral irradiance, downward at 551 nm; Spectral irradiance, downward at 552 nm; Spectral irradiance, downward at 553 nm; Spectral irradiance, downward at 554 nm; Spectral irradiance, downward at 555 nm; Spectral irradiance, downward at 556 nm; Spectral irradiance, downward at 557 nm; Spectral irradiance, downward at 558 nm; Spectral irradiance, downward at 559 nm; Spectral irradiance, downward at 560 nm; Spectral irradiance, downward at 561 nm; Spectral irradiance, downward at 562 nm; Spectral irradiance, downward at 563 nm; Spectral irradiance, downward at 564 nm; Spectral irradiance, downward at 565 nm; Spectral irradiance, downward at 566 nm; Spectral irradiance, downward at 567 nm; Spectral irradiance, downward at 568 nm; Spectral irradiance, downward at 569 nm;
    Type: Dataset
    Format: text/tab-separated-values, 2228445 data points
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  • 8
    Publication Date: 2024-03-06
    Keywords: DATE/TIME; DEPTH, water; ELEVATION; Event label; Hyperspectral free falling profiler, Sea-Bird, HyperPro II [SN: 143 / SN: 392 / SN: 323 / SN: 393]; ICBM; Iceland Sea; Identification; Institut für Chemie und Biologie des Meeres; Integrated value (400 - 700 nm); LATITUDE; Light/Optics; LIOP; LONGITUDE; Maria S. Merian; MSM56; MSM56_551-11; MSM56_553-4; MSM56_554-4; MSM56_556-7; MSM56_557-10; MSM56_558-6; MSM56_559-7; MSM56_560-7; MSM56_561-4; MSM56_562-3; MSM56_563-3; MSM56_564-4; MSM56_568-4; MSM56_569-6; MSM56_570-7; MSM56_571-5; MSM56_572-8; MSM56_574-4; MSM56_575-4; MSM56_580-7; MSM56_582-12; MSM56_584-8; MSM56_586-9; MSM56_588-3; MSM56_590-8; MSM56_592-10; MSM56_593-5; MSM56_594-3; MSM56_595-16; MSM56_595-28; MSM56_595-35; MSM56_595-8; MSM56_598-7; MSM56_599-8; MSM56_601-8; MSM56_603-10; MSM56_604-7; MSM56_605-8; MSM56_606-9; MSM56_607-4; MSM56_608-6; MSM56_609-4; MSM56_610-6; North Greenland Sea; Radiation, photosynthetically active; Spectral radiance, upward at 400 nm; Spectral radiance, upward at 401 nm; Spectral radiance, upward at 402 nm; Spectral radiance, upward at 403 nm; Spectral radiance, upward at 404 nm; Spectral radiance, upward at 405 nm; Spectral radiance, upward at 406 nm; Spectral radiance, upward at 407 nm; Spectral radiance, upward at 408 nm; Spectral radiance, upward at 409 nm; Spectral radiance, upward at 410 nm; Spectral radiance, upward at 411 nm; Spectral radiance, upward at 412 nm; Spectral radiance, upward at 413 nm; Spectral radiance, upward at 414 nm; Spectral radiance, upward at 415 nm; Spectral radiance, upward at 416 nm; Spectral radiance, upward at 417 nm; Spectral radiance, upward at 418 nm; Spectral radiance, upward at 419 nm; Spectral radiance, upward at 420 nm; Spectral radiance, upward at 421 nm; Spectral radiance, upward at 422 nm; Spectral radiance, upward at 423 nm; Spectral radiance, upward at 424 nm; Spectral radiance, upward at 425 nm; Spectral radiance, upward at 426 nm; Spectral radiance, upward at 427 nm; Spectral radiance, upward at 428 nm; Spectral radiance, upward at 429 nm; Spectral radiance, upward at 430 nm; Spectral radiance, upward at 431 nm; Spectral radiance, upward at 432 nm; Spectral radiance, upward at 433 nm; Spectral radiance, upward at 434 nm; Spectral radiance, upward at 435 nm; Spectral radiance, upward at 436 nm; Spectral radiance, upward at 437 nm; Spectral radiance, upward at 438 nm; Spectral radiance, upward at 439 nm; Spectral radiance, upward at 440 nm; Spectral radiance, upward at 441 nm; Spectral radiance, upward at 442 nm; Spectral radiance, upward at 443 nm; Spectral radiance, upward at 444 nm; Spectral radiance, upward at 445 nm; Spectral radiance, upward at 446 nm; Spectral radiance, upward at 447 nm; Spectral radiance, upward at 448 nm; Spectral radiance, upward at 449 nm; Spectral radiance, upward at 450 nm; Spectral radiance, upward at 451 nm; Spectral radiance, upward at 452 nm; Spectral radiance, upward at 453 nm; Spectral radiance, upward at 454 nm; Spectral radiance, upward at 455 nm; Spectral radiance, upward at 456 nm; Spectral radiance, upward at 457 nm; Spectral radiance, upward at 458 nm; Spectral radiance, upward at 459 nm; Spectral radiance, upward at 460 nm; Spectral radiance, upward at 461 nm; Spectral radiance, upward at 462 nm; Spectral radiance, upward at 463 nm; Spectral radiance, upward at 464 nm; Spectral radiance, upward at 465 nm; Spectral radiance, upward at 466 nm; Spectral radiance, upward at 467 nm; Spectral radiance, upward at 468 nm; Spectral radiance, upward at 469 nm; Spectral radiance, upward at 470 nm; Spectral radiance, upward at 471 nm; Spectral radiance, upward at 472 nm; Spectral radiance, upward at 473 nm; Spectral radiance, upward at 474 nm; Spectral radiance, upward at 475 nm; Spectral radiance, upward at 476 nm; Spectral radiance, upward at 477 nm; Spectral radiance, upward at 478 nm; Spectral radiance, upward at 479 nm; Spectral radiance, upward at 480 nm; Spectral radiance, upward at 481 nm; Spectral radiance, upward at 482 nm; Spectral radiance, upward at 483 nm; Spectral radiance, upward at 484 nm; Spectral radiance, upward at 485 nm; Spectral radiance, upward at 486 nm; Spectral radiance, upward at 487 nm; Spectral radiance, upward at 488 nm; Spectral radiance, upward at 489 nm; Spectral radiance, upward at 490 nm; Spectral radiance, upward at 491 nm; Spectral radiance, upward at 492 nm; Spectral radiance, upward at 493 nm; Spectral radiance, upward at 494 nm; Spectral radiance, upward at 495 nm; Spectral radiance, upward at 496 nm; Spectral radiance, upward at 497 nm; Spectral radiance, upward at 498 nm; Spectral radiance, upward at 499 nm; Spectral radiance, upward at 500 nm; Spectral radiance, upward at 501 nm; Spectral radiance, upward at 502 nm; Spectral radiance, upward at 503 nm; Spectral radiance, upward at 504 nm; Spectral radiance, upward at 505 nm; Spectral radiance, upward at 506 nm; Spectral radiance, upward at 507 nm; Spectral radiance, upward at 508 nm; Spectral radiance, upward at 509 nm; Spectral radiance, upward at 510 nm; Spectral radiance, upward at 511 nm; Spectral radiance, upward at 512 nm; Spectral radiance, upward at 513 nm; Spectral radiance, upward at 514 nm; Spectral radiance, upward at 515 nm; Spectral radiance, upward at 516 nm; Spectral radiance, upward at 517 nm; Spectral radiance, upward at 518 nm; Spectral radiance, upward at 519 nm; Spectral radiance, upward at 520 nm; Spectral radiance, upward at 521 nm; Spectral radiance, upward at 522 nm; Spectral radiance, upward at 523 nm; Spectral radiance, upward at 524 nm; Spectral radiance, upward at 525 nm; Spectral radiance, upward at 526 nm; Spectral radiance, upward at 527 nm; Spectral radiance, upward at 528 nm; Spectral radiance, upward at 529 nm; Spectral radiance, upward at 530 nm; Spectral radiance, upward at 531 nm; Spectral radiance, upward at 532 nm; Spectral radiance, upward at 533 nm; Spectral radiance, upward at 534 nm; Spectral radiance, upward at 535 nm; Spectral radiance, upward at 536 nm; Spectral radiance, upward at 537 nm; Spectral radiance, upward at 538 nm; Spectral radiance, upward at 539 nm; Spectral radiance, upward at 540 nm; Spectral radiance, upward at 541 nm; Spectral radiance, upward at 542 nm; Spectral radiance, upward at 543 nm; Spectral radiance, upward at 544 nm; Spectral radiance, upward at 545 nm; Spectral radiance, upward at 546 nm; Spectral radiance, upward at 547 nm; Spectral radiance, upward at 548 nm; Spectral radiance, upward at 549 nm; Spectral radiance, upward at 550 nm; Spectral radiance, upward at 551 nm; Spectral radiance, upward at 552 nm; Spectral radiance, upward at 553 nm; Spectral radiance, upward at 554 nm; Spectral radiance, upward at 555 nm; Spectral radiance, upward at 556 nm; Spectral radiance, upward at 557 nm; Spectral radiance, upward at 558 nm; Spectral radiance, upward at 559 nm; Spectral radiance, upward at 560 nm; Spectral radiance, upward at 561 nm; Spectral radiance, upward at 562 nm; Spectral radiance, upward at 563 nm; Spectral radiance, upward at 564 nm; Spectral radiance, upward at 565 nm; Spectral radiance, upward at 566 nm; Spectral radiance, upward at 567 nm; Spectral radiance, upward at 568 nm; Spectral radiance, upward at 569 nm; Spectral radiance, upward at 570 nm; Spectral radiance, upward at 571 nm; Spectral radiance, upward at 572 nm; Spectral radiance, upward at 573 nm; Spectral radiance, upward at 574 nm; Spectral radiance, upward at 575 nm; Spectral radiance, upward at 576 nm; Spectral radiance, upward at 577 nm; Spectral radiance, upward at 578 nm; Spectral radiance, upward at 579 nm; Spectral radiance, upward at 580 nm; Spectral radiance, upward at 581 nm; Spectral radiance, upward at 582 nm; Spectral radiance, upward at 583 nm; Spectral radiance, upward at 584 nm; Spectral radiance, upward at 585 nm; Spectral radiance, upward at 586 nm; Spectral radiance, upward at 587 nm; Spectral radiance, upward at 588 nm; Spectral radiance, upward at 589 nm; Spectral
    Type: Dataset
    Format: text/tab-separated-values, 2214694 data points
    Location Call Number Expected Availability
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  • 9
    Publication Date: 2024-02-16
    Description: The data presented here were collected during the cruise M179/2 (CoastCarb) with RV Meteor from Punta Arenas (Chile) to Montevideo (Uruguay) (January, 18th, 2022 to February 20th, 2022). In total, 49 vertical CTD-hauls were conducted. The CTD system used was a Sea-Bird Electronics Inc. SBE 911plus probe (SN 09-1266). The CTD was attached to a SBE 32 Carousel Water Sampler containing 24 10-liter Ocean Test Equipment Inc. bottles. The system was equipped with double temperature (SBE 3) and conductivity sensors (SBE 4), a pressure sensor (Digiquartz) an oxygen optode (Aanderaa Optode 4831F), an altimeter (Benthos), and a combined chlorophyll fluorometer and turbidity meter (WET Labs ECO_AFL FL). The sensors were pre-calibrated by the respective manufacturers. Data were recorded with the Seasave V 7.26.7.107 software and processed using the SeaBird SBE Data Processing software. The ship position was derived from the shipboard GPS-system linked to the CTD data. The time zone is given in UTC. Raw data on request. The data was checked for quality and plausibility. Since no calibration of the sensors was performed at the end of the cruise, the quality control was performed as follows. For the parameters that were measured redundant (temperature, potential temperature, salinity, conductivity, and density) the difference to each measurement point was calculated and the respective σ2 normal distribution was calculated. All values falling within the 95% interval were marked with QF 2, and the other values were marked with QF 5. For the oxygen measurements, a manual visual inspection was performed and the values were marked accordingly. The two optical parameters fluorescence and turbidity were marked with QF 2 throughout, since natural outliers can occur here due to particles.
    Keywords: Chilean Patagonia; Conductivity; CTD, Sea-Bird, SBE 911plus; measured with Fluorometer, WET Labs, ECO-AFL/FL; CTD, Sea-Bird, SBE 911plus [SN: 09-1266]; CTD, Sea-Bird, SBE 911plus [SN: 09-1266]; measured with Oxygen optode, Aanderaa, 483F; CTD/Rosette; CTD-RO; DATE/TIME; Density, sigma-theta (0); DEPTH, water; Event label; FjordFlux; fjords; Fluorescence; LATITUDE; LONGITUDE; M179/2; M179/2_10-1; M179/2_1-1; M179/2_11-1; M179/2_12-1; M179/2_13-1; M179/2_14-1; M179/2_15-1; M179/2_16-1; M179/2_17-1; M179/2_18-1; M179/2_19-1; M179/2_20-1; M179/2_2-1; M179/2_22-1; M179/2_23-1; M179/2_24-1; M179/2_25-1; M179/2_26-1; M179/2_27-1; M179/2_28-1; M179/2_29-2; M179/2_30-1; M179/2_3-1; M179/2_31-1; M179/2_32-1; M179/2_33-1; M179/2_34-1; M179/2_35-1; M179/2_36-1; M179/2_37-1; M179/2_38-2; M179/2_40-1; M179/2_4-1; M179/2_41-2; M179/2_42-1; M179/2_43-1; M179/2_44-1; M179/2_45-1; M179/2_46-1; M179/2_47-1; M179/2_48-1; M179/2_49-1; M179/2_50-1; M179/2_5-1; M179/2_51-1; M179/2_7-1; M179/2_8-1; M179/2_9-1; Meteor (1986); Number of scans; oceanography; Oxygen; Pressure, water; Quality flag; Quality flag, conductivity; Quality flag, density; Quality flag, oxygen; Quality flag, potential water temperature; Quality flag, salinity; Quality flag, turbidity; Quality flag, water temperature; Salinity; South Atlantic Ocean; South Pacific Ocean; subpolar; Temperature; Temperature, water; Temperature, water, potential; Turbidity (Nephelometric turbidity unit)
    Type: Dataset
    Format: text/tab-separated-values, 15363488 data points
    Location Call Number Expected Availability
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  • 10
    facet.materialart.
    Unknown
    PANGAEA
    In:  Institute for Chemistry and Biology of the Marine Environment, Carl-von-Ossietzky University of Oldenburg, Germany
    Publication Date: 2024-04-15
    Description: Data presented here were collected during the cruise MSM56 (Project MECAF) with the RV Maria S. Merian from Longyearbyen, Svalbard, Norway to Reykjavik, Iceland (July 01, 2016 to July 23, 2016). In total, 56 vertical CTD-hauls were conducted with the onboard CTD: in general, a deep cast up to bottom depth. The CTD system used was a Sea-Bird Electronics Inc. SBE 911plus, attached to a SBE 32 Carousel Water Sampler containing 24x 10-liter bottles. The system was equipped with: double temperature and conductivity probes, a pressure sensor (Digiquartz), an oxygen sensor (SBE 43), an altimeter (Benthos) and a chlorophyll fluorometer combined with a turbidity sensor (WET Labs ECO-AFL/FL). The sensors were pre-calibrated by the manufacturers for the ECO- AFL/FL additionally a post-cruise-calibration was done by the manufacturer. The data were recorded with the Seasave V 7.22 software and processed using SeaBird SBE Data Processing software. Data are visually checked. The ship position was derived from the shipboard GPS-system linked to the CTD data. The time zone is given in UTC. Salinity was quality checked by reference samples [n=20], measured with an Optimare Precision Salinometer (OPS S/N 003) 4 month after the cruise (S1: R² 0.9571).
    Keywords: Altimeter; Calculated; Conductivity; CTD, SEA-BIRD SBE 911plus, SN 5708 / SN 4261; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; derived from SBE43 oxygen sensor; Elevation of event; Event label; Fluorescence, chlorophyll; Fluorometer; Fluorometer, WET Labs ECO AFL/FL; Height above sea floor/altitude; Iceland Sea; Latitude of event; Longitude of event; Maria S. Merian; microFlu chl-a, Trios, SN 106A; MSM56; MSM56_551-1; MSM56_553-1; MSM56_554-1; MSM56_555-1; MSM56_556-1; MSM56_557-3; MSM56_558-1; MSM56_559-1; MSM56_560-1; MSM56_561-1; MSM56_562-1; MSM56_563-1; MSM56_564-1; MSM56_565-1; MSM56_566-1; MSM56_567-1; MSM56_568-1; MSM56_569-1; MSM56_570-1; MSM56_571-1; MSM56_572-2; MSM56_574-1; MSM56_575-1; MSM56_576-1; MSM56_577-1; MSM56_578-1; MSM56_579-1; MSM56_580-1; MSM56_582-1; MSM56_583-1; MSM56_584-1; MSM56_585-1; MSM56_586-1; MSM56_588-1; MSM56_590-1; MSM56_592-1; MSM56_593-1; MSM56_594-1; MSM56_595-1; MSM56_595-10; MSM56_595-22; MSM56_595-30; MSM56_598-1; MSM56_599-1; MSM56_600-1; MSM56_601-2; MSM56_602-1; MSM56_603-2; MSM56_604-1; MSM56_605-1; MSM56_606-2; MSM56_607-1; MSM56_608-1; MSM56_609-1; MSM56_610-1; MSM56_612-1; North Greenland Sea; Number of observations; Oxygen; Pressure, water; Pressure sensor, Digiquartz; Radiation, photosynthetically active; Salinity; Temperature, water; Turbidity (Nephelometric turbidity unit)
    Type: Dataset
    Format: text/tab-separated-values, 831582 data points
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