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  • 1
    facet.materialart.
    Unknown
    Intercomparison of Cosmic-Ray Neutron Sensors andWater Balance Monitoring in an Urban Environment (2017)
    Copernicus
    Details
    Publication Date: 2017-07-07
    Description: Sensor-to-sensor variability is a source of error common to all geoscientific instruments, which needs to be assessed before comparative and applied research can be performed with multiple sensors. Consistency among sensor systems is especially critical when the signal is an integral value that covers a large volume within complex, urban terrain. Cosmic-Ray Neutron Sensors (CRNS) are a recent technology that is used to monitor large-scale environmental water storages, for which a rigorous comparison study of numerous co-located sensors has never been performed. In this work, nine stationary CRNS probes of type CRS1000 were installed in relative proximity on a grass patch surrounded by complex urban terrain. While the dynamics of the neutron count rates were found to be similar, offsets of a few percent from the absolute average neutron count rates were found. Technical adjustments of the individual detection parameters brought all instruments into good agreement. Furthermore, the arrangement of multiple sensors allowed to find a critical integration time of 6 hours above which all sensors showed consistent dynamics in the data and their RMSE fell below 1 % of gravimetric water content. The residual differences between the nine signals indicated local effects of the complex urban terrain at the scale of several meters. Mobile CRNS measurements and spatial neutron transport simulations in the surrounding area (25 ha) have revealed that CRNS detectors are sensitive to sub-footprint heterogeneity despite their large averaging volume. The paved and sealed areas in the footprint furthermore damp the dynamics of the CRNS soil moisture product. We developed strategies to correct for the sealed-area effect based on theoretical insights about the spatial sensitivity of the sensor. This procedure not only led to reliable soil moisture estimation in drying periods, it further revealed a strong signal of interception and evaporation water that emerged over the sealed ground during and shortly after rain events. The presented arrangement offered a unique opportunity to demonstrate the CRNS performance in complex terrain, and the results indicate great potential for further applications in urban water sciences.
    Electronic ISSN: 2193-0872
    Topics: Geosciences
    Published by Copernicus on behalf of European Geosciences Union.
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  • 2
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    Unknown
    Intercomparison of cosmic-ray neutron sensors and water balance monitoring in an urban environment (2018)
    Copernicus
    Details
    Publication Date: 2018-03-09
    Description: Sensor-to-sensor variability is a source of error common to all geoscientific instruments that needs to be assessed before comparative and applied research can be performed with multiple sensors. Consistency among sensor systems is especially critical when subtle features of the surrounding terrain are to be identified. Cosmic-ray neutron sensors (CRNSs) are a recent technology used to monitor hectometre-scale environmental water storages, for which a rigorous comparison study of numerous co-located sensors has not yet been performed. In this work, nine stationary CRNS probes of type “CRS1000” were installed in relative proximity on a grass patch surrounded by trees, buildings, and sealed areas. While the dynamics of the neutron count rates were found to be similar, offsets of a few percent from the absolute average neutron count rates were found. Technical adjustments of the individual detection parameters brought all instruments into good agreement. Furthermore, we found a critical integration time of 6 h above which all sensors showed consistent dynamics in the data and their RMSE fell below 1 % of gravimetric water content. The residual differences between the nine signals indicated local effects of the complex urban terrain on the scale of several metres. Mobile CRNS measurements and spatial simulations with the URANOS neutron transport code in the surrounding area (25 ha) have revealed substantial sub-footprint heterogeneity to which CRNS detectors are sensitive despite their large averaging volume. The sealed and constantly dry structures in the footprint furthermore damped the dynamics of the CRNS-derived soil moisture. We developed strategies to correct for the sealed-area effect based on theoretical insights about the spatial sensitivity of the sensor. This procedure not only led to reliable soil moisture estimation during dry-out periods, it further revealed a strong signal of intercepted water that emerged over the sealed surfaces during rain events. The presented arrangement offered a unique opportunity to demonstrate the CRNS performance in complex terrain, and the results indicated great potential for further applications in urban climate research.
    Print ISSN: 2193-0856
    Electronic ISSN: 2193-0864
    Topics: Geosciences
    Published by Copernicus on behalf of European Geosciences Union.
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  • 3
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    Unknown
    Investigating the consequences of climate change under different land‐use regimes: a novel experimental infrastructure (2019)
    Wiley
    Details
    Publication Date: 2019-03-01
    Electronic ISSN: 2150-8925
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Published by Wiley on behalf of Ecological Society of America.
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  • 4
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    Spectral particulate absorption and attenuation coefficients derived from unterwater measurements from Lake Geiseltal (Germany) during the Inland Water Remote Sensing Validation Campaign 2017 (2023)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: Measurements were taken from Wetlabs AC-S a spectral absoption and attenuation sensor and Wetlabs FL3W an underwater fluorometer with three channels(chlorophyll, pycoerythrin, CDOM flurorescence). Data is quality assured. The measured parameters from AC-S are attenuation and absorption coefficients (latter with scattering error). Results of attenuation channel used, results of absorption channel not used. Data are corrected for temperature and salinity, blank measurements of HE488 was used for blanking, remaining temperature effects are removed manual, choosen a correct temperature differences. Detector angle error of attenuation channel not corrected. All results are averages of measurements over 10-20 min. Total scattering coefficients provided, from AC-S attenuation minus PSICAM absorption results. The measured parameters from FL3W are using calibration of manufacturer. All results are averages of measurements over 10-20 min. For both sensors no standard deviations provided, but data are available.
    Keywords: AC-S; Attenuation coefficient, 402 nm; Attenuation coefficient, 404 nm; Attenuation coefficient, 406 nm; Attenuation coefficient, 408 nm; Attenuation coefficient, 410 nm; Attenuation coefficient, 412 nm; Attenuation coefficient, 414 nm; Attenuation coefficient, 416 nm; Attenuation coefficient, 418 nm; Attenuation coefficient, 420 nm; Attenuation coefficient, 422 nm; Attenuation coefficient, 424 nm; Attenuation coefficient, 426 nm; Attenuation coefficient, 428 nm; Attenuation coefficient, 430 nm; Attenuation coefficient, 432 nm; Attenuation coefficient, 434 nm; Attenuation coefficient, 436 nm; Attenuation coefficient, 438 nm; Attenuation coefficient, 440 nm; Attenuation coefficient, 442 nm; Attenuation coefficient, 444 nm; Attenuation coefficient, 446 nm; Attenuation coefficient, 448 nm; Attenuation coefficient, 450 nm; Attenuation coefficient, 452 nm; Attenuation coefficient, 454 nm; Attenuation coefficient, 456 nm; Attenuation coefficient, 458 nm; Attenuation coefficient, 460 nm; Attenuation coefficient, 462 nm; Attenuation coefficient, 464 nm; Attenuation coefficient, 466 nm; Attenuation coefficient, 468 nm; Attenuation coefficient, 470 nm; Attenuation coefficient, 472 nm; Attenuation coefficient, 474 nm; Attenuation coefficient, 476 nm; Attenuation coefficient, 478 nm; Attenuation coefficient, 480 nm; Attenuation coefficient, 482 nm; Attenuation coefficient, 484 nm; Attenuation coefficient, 486 nm; Attenuation coefficient, 488 nm; Attenuation coefficient, 490 nm; Attenuation coefficient, 492 nm; Attenuation coefficient, 494 nm; Attenuation coefficient, 496 nm; Attenuation coefficient, 498 nm; Attenuation coefficient, 500 nm; Attenuation coefficient, 502 nm; Attenuation coefficient, 504 nm; Attenuation coefficient, 506 nm; Attenuation coefficient, 508 nm; Attenuation coefficient, 510 nm; Attenuation coefficient, 512 nm; Attenuation coefficient, 514 nm; Attenuation coefficient, 516 nm; Attenuation coefficient, 518 nm; Attenuation coefficient, 520 nm; Attenuation coefficient, 522 nm; Attenuation coefficient, 524 nm; Attenuation coefficient, 526 nm; Attenuation coefficient, 528 nm; Attenuation coefficient, 530 nm; Attenuation coefficient, 532 nm; Attenuation coefficient, 534 nm; Attenuation coefficient, 536 nm; Attenuation coefficient, 538 nm; Attenuation coefficient, 540 nm; Attenuation coefficient, 542 nm; Attenuation coefficient, 544 nm; Attenuation coefficient, 546 nm; Attenuation coefficient, 548 nm; Attenuation coefficient, 550 nm; Attenuation coefficient, 552 nm; Attenuation coefficient, 554 nm; Attenuation coefficient, 556 nm; Attenuation coefficient, 558 nm; Attenuation coefficient, 560 nm; Attenuation coefficient, 562 nm; Attenuation coefficient, 564 nm; Attenuation coefficient, 566 nm; Attenuation coefficient, 568 nm; Attenuation coefficient, 570 nm; Attenuation coefficient, 572 nm; Attenuation coefficient, 574 nm; Attenuation coefficient, 576 nm; Attenuation coefficient, 578 nm; Attenuation coefficient, 580 nm; Attenuation coefficient, 582 nm; Attenuation coefficient, 584 nm; Attenuation coefficient, 586 nm; Attenuation coefficient, 588 nm; Attenuation coefficient, 590 nm; Attenuation coefficient, 592 nm; Attenuation coefficient, 594 nm; Attenuation coefficient, 596 nm; Attenuation coefficient, 598 nm; Attenuation coefficient, 600 nm; Attenuation coefficient, 602 nm; Attenuation coefficient, 604 nm; Attenuation coefficient, 606 nm; Attenuation coefficient, 608 nm; Attenuation coefficient, 610 nm; Attenuation coefficient, 612 nm; Attenuation coefficient, 614 nm; Attenuation coefficient, 616 nm; Attenuation coefficient, 618 nm; Attenuation coefficient, 620 nm; Attenuation coefficient, 622 nm; Attenuation coefficient, 624 nm; Attenuation coefficient, 626 nm; Attenuation coefficient, 628 nm; Attenuation coefficient, 630 nm; Attenuation coefficient, 632 nm; Attenuation coefficient, 634 nm; Attenuation coefficient, 636 nm; Attenuation coefficient, 638 nm; Attenuation coefficient, 640 nm; Attenuation coefficient, 642 nm; Attenuation coefficient, 644 nm; Attenuation coefficient, 646 nm; Attenuation coefficient, 648 nm; Attenuation coefficient, 650 nm; Attenuation coefficient, 652 nm; Attenuation coefficient, 654 nm; Attenuation coefficient, 656 nm; Attenuation coefficient, 658 nm; Attenuation coefficient, 660 nm; Attenuation coefficient, 662 nm; Attenuation coefficient, 664 nm; Attenuation coefficient, 666 nm; Attenuation coefficient, 668 nm; Attenuation coefficient, 670 nm; Attenuation coefficient, 672 nm; Attenuation coefficient, 674 nm; Attenuation coefficient, 676 nm; Attenuation coefficient, 678 nm; Attenuation coefficient, 680 nm; Attenuation coefficient, 682 nm; Attenuation coefficient, 684 nm; Attenuation coefficient, 686 nm; Attenuation coefficient, 688 nm; Attenuation coefficient, 690 nm; Attenuation coefficient, 692 nm; Attenuation coefficient, 694 nm; Attenuation coefficient, 696 nm; Attenuation coefficient, 698 nm; Attenuation coefficient, 700 nm; Attenuation coefficient, 702 nm; Attenuation coefficient, 704 nm; Attenuation coefficient, 706 nm; Attenuation coefficient, 708 nm; Attenuation coefficient, 710 nm; Attenuation coefficient, 712 nm; Attenuation coefficient, 714 nm; Attenuation coefficient, 716 nm; Attenuation coefficient, 718 nm; Attenuation coefficient, 720 nm; Attenuation coefficient, 722 nm; Attenuation coefficient, 724 nm; Attenuation coefficient, 726 nm; Attenuation coefficient, 728 nm; Attenuation coefficient, 730 nm; Attenuation coefficient, 732 nm; Attenuation coefficient, 734 nm; Attenuation coefficient, 736 nm; Attenuation coefficient, 738 nm; Attenuation coefficient, 740 nm; Chlorophyll a; Chlorophyll a, standard deviation; DATE/TIME; Event label; Fluorometer, WET Labs, FL3; Geiseltalsee-0808_AC-S; Geiseltalsee-0826_AC-S; Geiseltalsee-1227_AC-S; Germany; Inland Water Remote Sensing Validation Campaign 2017; IWRSVC-2017; Organic matter, colored dissolved; Organic matter, colored dissolved, standard deviation; Phycoerythrin; Phycoerythrin, standard deviation; Principal investigator; Spectral Absorption and Attenuation Sensor, AC-S; Spectrophotometer, WET Labs, Inc., AC-S; Total scattering coefficient, 400 nm; Total scattering coefficient, 402 nm; Total scattering coefficient, 404 nm; Total scattering coefficient, 406 nm; Total scattering coefficient, 408 nm; Total scattering coefficient, 410 nm; Total scattering coefficient, 412 nm; Total scattering coefficient, 414 nm; Total scattering coefficient, 416 nm; Total scattering coefficient, 418 nm; Total scattering coefficient, 420 nm; Total scattering coefficient, 422 nm; Total scattering coefficient, 424 nm; Total scattering coefficient, 426 nm; Total scattering coefficient, 428 nm; Total scattering coefficient, 430 nm; Total scattering coefficient, 432 nm; Total scattering coefficient, 434 nm; Total scattering coefficient, 436 nm; Total scattering coefficient, 438 nm; Total scattering coefficient, 440 nm; Total scattering coefficient, 442 nm; Total scattering coefficient, 444 nm; Total scattering coefficient, 446 nm; Total scattering coefficient, 448 nm; Total scattering coefficient, 450 nm; Total scattering coefficient, 452 nm; Total scattering coefficient, 454 nm; Total scattering coefficient, 456 nm; Total scattering coefficient, 458 nm; Total scattering coefficient, 460 nm; Total scattering coefficient, 462 nm; Total scattering coefficient, 464 nm; Total scattering coefficient, 466 nm; Total scattering coefficient, 468 nm; Total scattering coefficient, 470 nm; Total scattering coefficient, 472 nm; Total scattering coefficient, 474 nm; Total scattering coefficient, 476 nm; Total scattering coefficient, 478 nm; Total scattering coefficient, 480 nm; Total scattering coefficient, 482 nm; Total scattering coefficient, 484 nm; Total scattering coefficient, 486 nm; Total scattering coefficient, 488 nm; Total scattering coefficient, 490 nm; Total scattering coefficient, 492 nm; Total scattering coefficient, 494 nm; Total scattering coefficient, 496 nm; Total scattering
    Type: Dataset
    Format: text/tab-separated-values, 1044 data points
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  • 5
    facet.materialart.
    Unknown
    Spectral particulate absorption and attenuation coefficients derived from unterwater measurements within intercalibration campaign from Lake Süßer See (Germany) during the Inland Water Remote Sensing Validation Campaign 2017 (2023)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: Measurements were taken from Wetlabs AC-S a spectral absoption and attenuation sensor and Wetlabs FL3W an underwater fluorometer with three channels(chlorophyll, pycoerythrin, CDOM flurorescence). Data is quality assured. The measured parameters from AC-S are attenuation and absorption coefficients (latter with scattering error). Results of attenuation channel used, results of absorption channel not used. Data are corrected for temperature and salinity, blank measurements of HE488 was used for blanking, remaining temperature effects are removed manual, choosen a correct temperature differences. Detector angle error of attenuation channel not corrected. All results are averages of measurements over 10-20 min. Total scattering coefficients provided, from AC-S attenuation minus PSICAM absorption results. The measured parameters from FL3W are using calibration of manufacturer. All results are averages of measurements over 10-20 min. For both sensors no standard deviations provided, but data are available.
    Keywords: AC-S; Attenuation coefficient, 400 nm; Attenuation coefficient, 402 nm; Attenuation coefficient, 404 nm; Attenuation coefficient, 406 nm; Attenuation coefficient, 408 nm; Attenuation coefficient, 410 nm; Attenuation coefficient, 412 nm; Attenuation coefficient, 414 nm; Attenuation coefficient, 416 nm; Attenuation coefficient, 418 nm; Attenuation coefficient, 420 nm; Attenuation coefficient, 422 nm; Attenuation coefficient, 424 nm; Attenuation coefficient, 426 nm; Attenuation coefficient, 428 nm; Attenuation coefficient, 430 nm; Attenuation coefficient, 432 nm; Attenuation coefficient, 434 nm; Attenuation coefficient, 436 nm; Attenuation coefficient, 438 nm; Attenuation coefficient, 440 nm; Attenuation coefficient, 442 nm; Attenuation coefficient, 444 nm; Attenuation coefficient, 446 nm; Attenuation coefficient, 448 nm; Attenuation coefficient, 450 nm; Attenuation coefficient, 452 nm; Attenuation coefficient, 454 nm; Attenuation coefficient, 456 nm; Attenuation coefficient, 458 nm; Attenuation coefficient, 460 nm; Attenuation coefficient, 462 nm; Attenuation coefficient, 464 nm; Attenuation coefficient, 466 nm; Attenuation coefficient, 468 nm; Attenuation coefficient, 470 nm; Attenuation coefficient, 472 nm; Attenuation coefficient, 474 nm; Attenuation coefficient, 476 nm; Attenuation coefficient, 478 nm; Attenuation coefficient, 480 nm; Attenuation coefficient, 482 nm; Attenuation coefficient, 484 nm; Attenuation coefficient, 486 nm; Attenuation coefficient, 488 nm; Attenuation coefficient, 490 nm; Attenuation coefficient, 492 nm; Attenuation coefficient, 494 nm; Attenuation coefficient, 496 nm; Attenuation coefficient, 498 nm; Attenuation coefficient, 500 nm; Attenuation coefficient, 502 nm; Attenuation coefficient, 504 nm; Attenuation coefficient, 506 nm; Attenuation coefficient, 508 nm; Attenuation coefficient, 510 nm; Attenuation coefficient, 512 nm; Attenuation coefficient, 514 nm; Attenuation coefficient, 516 nm; Attenuation coefficient, 518 nm; Attenuation coefficient, 520 nm; Attenuation coefficient, 522 nm; Attenuation coefficient, 524 nm; Attenuation coefficient, 526 nm; Attenuation coefficient, 528 nm; Attenuation coefficient, 530 nm; Attenuation coefficient, 532 nm; Attenuation coefficient, 534 nm; Attenuation coefficient, 536 nm; Attenuation coefficient, 538 nm; Attenuation coefficient, 540 nm; Attenuation coefficient, 542 nm; Attenuation coefficient, 544 nm; Attenuation coefficient, 546 nm; Attenuation coefficient, 548 nm; Attenuation coefficient, 550 nm; Attenuation coefficient, 552 nm; Attenuation coefficient, 554 nm; Attenuation coefficient, 556 nm; Attenuation coefficient, 558 nm; Attenuation coefficient, 560 nm; Attenuation coefficient, 562 nm; Attenuation coefficient, 564 nm; Attenuation coefficient, 566 nm; Attenuation coefficient, 568 nm; Attenuation coefficient, 570 nm; Attenuation coefficient, 572 nm; Attenuation coefficient, 574 nm; Attenuation coefficient, 576 nm; Attenuation coefficient, 578 nm; Attenuation coefficient, 580 nm; Attenuation coefficient, 582 nm; Attenuation coefficient, 584 nm; Attenuation coefficient, 586 nm; Attenuation coefficient, 588 nm; Attenuation coefficient, 590 nm; Attenuation coefficient, 592 nm; Attenuation coefficient, 594 nm; Attenuation coefficient, 596 nm; Attenuation coefficient, 598 nm; Attenuation coefficient, 600 nm; Attenuation coefficient, 602 nm; Attenuation coefficient, 604 nm; Attenuation coefficient, 606 nm; Attenuation coefficient, 608 nm; Attenuation coefficient, 610 nm; Attenuation coefficient, 612 nm; Attenuation coefficient, 614 nm; Attenuation coefficient, 616 nm; Attenuation coefficient, 618 nm; Attenuation coefficient, 620 nm; Attenuation coefficient, 622 nm; Attenuation coefficient, 624 nm; Attenuation coefficient, 626 nm; Attenuation coefficient, 628 nm; Attenuation coefficient, 630 nm; Attenuation coefficient, 632 nm; Attenuation coefficient, 634 nm; Attenuation coefficient, 636 nm; Attenuation coefficient, 638 nm; Attenuation coefficient, 640 nm; Attenuation coefficient, 642 nm; Attenuation coefficient, 644 nm; Attenuation coefficient, 646 nm; Attenuation coefficient, 648 nm; Attenuation coefficient, 650 nm; Attenuation coefficient, 652 nm; Attenuation coefficient, 654 nm; Attenuation coefficient, 656 nm; Attenuation coefficient, 658 nm; Attenuation coefficient, 660 nm; Attenuation coefficient, 662 nm; Attenuation coefficient, 664 nm; Attenuation coefficient, 666 nm; Attenuation coefficient, 668 nm; Attenuation coefficient, 670 nm; Attenuation coefficient, 672 nm; Attenuation coefficient, 674 nm; Attenuation coefficient, 676 nm; Attenuation coefficient, 678 nm; Attenuation coefficient, 680 nm; Attenuation coefficient, 682 nm; Attenuation coefficient, 684 nm; Attenuation coefficient, 686 nm; Attenuation coefficient, 688 nm; Attenuation coefficient, 690 nm; Attenuation coefficient, 692 nm; Attenuation coefficient, 694 nm; Attenuation coefficient, 696 nm; Attenuation coefficient, 698 nm; Attenuation coefficient, 700 nm; Attenuation coefficient, 702 nm; Attenuation coefficient, 704 nm; Attenuation coefficient, 706 nm; Attenuation coefficient, 708 nm; Attenuation coefficient, 710 nm; Attenuation coefficient, 712 nm; Attenuation coefficient, 714 nm; Attenuation coefficient, 716 nm; Attenuation coefficient, 718 nm; Attenuation coefficient, 720 nm; Attenuation coefficient, 722 nm; Attenuation coefficient, 724 nm; Attenuation coefficient, 726 nm; Attenuation coefficient, 728 nm; Attenuation coefficient, 730 nm; Attenuation coefficient, 732 nm; Attenuation coefficient, 734 nm; Attenuation coefficient, 736 nm; Attenuation coefficient, 738 nm; Attenuation coefficient, 740 nm; Chlorophyll a; Chlorophyll a, standard deviation; DATE/TIME; Event label; Fluorometer, WET Labs, FL3; Germany; Inland Water Remote Sensing Validation Campaign 2017; IWRSVC-2017; Organic matter, colored dissolved; Organic matter, colored dissolved, standard deviation; Phycoerythrin; Phycoerythrin, standard deviation; Principal investigator; Spectral Absorption and Attenuation Sensor, AC-S; Spectrophotometer, WET Labs, Inc., AC-S; Suessersee-0901_AC-S; Suessersee-0912_AC-S; Suessersee-0945_AC-S; Suessersee-1033_AC-S; Total scattering coefficient, 400 nm; Total scattering coefficient, 402 nm; Total scattering coefficient, 404 nm; Total scattering coefficient, 406 nm; Total scattering coefficient, 408 nm; Total scattering coefficient, 410 nm; Total scattering coefficient, 412 nm; Total scattering coefficient, 414 nm; Total scattering coefficient, 416 nm; Total scattering coefficient, 418 nm; Total scattering coefficient, 420 nm; Total scattering coefficient, 422 nm; Total scattering coefficient, 424 nm; Total scattering coefficient, 426 nm; Total scattering coefficient, 428 nm; Total scattering coefficient, 430 nm; Total scattering coefficient, 432 nm; Total scattering coefficient, 434 nm; Total scattering coefficient, 436 nm; Total scattering coefficient, 438 nm; Total scattering coefficient, 440 nm; Total scattering coefficient, 442 nm; Total scattering coefficient, 444 nm; Total scattering coefficient, 446 nm; Total scattering coefficient, 448 nm; Total scattering coefficient, 450 nm; Total scattering coefficient, 452 nm; Total scattering coefficient, 454 nm; Total scattering coefficient, 456 nm; Total scattering coefficient, 458 nm; Total scattering coefficient, 460 nm; Total scattering coefficient, 462 nm; Total scattering coefficient, 464 nm; Total scattering coefficient, 466 nm; Total scattering coefficient, 468 nm; Total scattering coefficient, 470 nm; Total scattering coefficient, 472 nm; Total scattering coefficient, 474 nm; Total scattering coefficient, 476 nm; Total scattering coefficient, 478 nm; Total scattering coefficient, 480 nm; Total scattering coefficient, 482 nm; Total scattering coefficient, 484 nm; Total scattering coefficient, 486 nm; Total scattering coefficient, 488 nm; Total scattering coefficient, 490 nm; Total scattering coefficient, 492 nm; Total scattering coefficient, 494 nm; Total
    Type: Dataset
    Format: text/tab-separated-values, 1396 data points
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  • 6
    facet.materialart.
    Unknown
    Spectral particulate absorption and attenuation coefficients derived from unterwater measurements from Lake Süßer See (Germany) during the Inland Water Remote Sensing Validation Campaign 2017 (2023)
    PANGAEA
    Details
    Publication Date: 2023-06-27
    Description: Measurements were taken from Wetlabs AC-S a spectral absoption and attenuation sensor and Wetlabs FL3W an underwater fluorometer with three channels(chlorophyll, pycoerythrin, CDOM flurorescence). Data is quality assured. The measured parameters from AC-S are attenuation and absorption coefficients (latter with scattering error). Results of attenuation channel used, results of absorption channel not used. Data are corrected for temperature and salinity, blank measurements of HE488 was used for blanking, remaining temperature effects are removed manual, choosen a correct temperature differences. Detector angle error of attenuation channel not corrected. All results are averages of measurements over 10-20 min. Total scattering coefficients provided, from AC-S attenuation minus PSICAM absorption results. The measured parameters from FL3W are using calibration of manufacturer. All results are averages of measurements over 10-20 min. For both sensors no standard deviations provided, but data are available.
    Keywords: AC-S; Attenuation coefficient, 400 nm; Attenuation coefficient, 402 nm; Attenuation coefficient, 404 nm; Attenuation coefficient, 406 nm; Attenuation coefficient, 408 nm; Attenuation coefficient, 410 nm; Attenuation coefficient, 412 nm; Attenuation coefficient, 414 nm; Attenuation coefficient, 416 nm; Attenuation coefficient, 418 nm; Attenuation coefficient, 420 nm; Attenuation coefficient, 422 nm; Attenuation coefficient, 424 nm; Attenuation coefficient, 426 nm; Attenuation coefficient, 428 nm; Attenuation coefficient, 430 nm; Attenuation coefficient, 432 nm; Attenuation coefficient, 434 nm; Attenuation coefficient, 436 nm; Attenuation coefficient, 438 nm; Attenuation coefficient, 440 nm; Attenuation coefficient, 442 nm; Attenuation coefficient, 444 nm; Attenuation coefficient, 446 nm; Attenuation coefficient, 448 nm; Attenuation coefficient, 450 nm; Attenuation coefficient, 452 nm; Attenuation coefficient, 454 nm; Attenuation coefficient, 456 nm; Attenuation coefficient, 458 nm; Attenuation coefficient, 460 nm; Attenuation coefficient, 462 nm; Attenuation coefficient, 464 nm; Attenuation coefficient, 466 nm; Attenuation coefficient, 468 nm; Attenuation coefficient, 470 nm; Attenuation coefficient, 472 nm; Attenuation coefficient, 474 nm; Attenuation coefficient, 476 nm; Attenuation coefficient, 478 nm; Attenuation coefficient, 480 nm; Attenuation coefficient, 482 nm; Attenuation coefficient, 484 nm; Attenuation coefficient, 486 nm; Attenuation coefficient, 488 nm; Attenuation coefficient, 490 nm; Attenuation coefficient, 492 nm; Attenuation coefficient, 494 nm; Attenuation coefficient, 496 nm; Attenuation coefficient, 498 nm; Attenuation coefficient, 500 nm; Attenuation coefficient, 502 nm; Attenuation coefficient, 504 nm; Attenuation coefficient, 506 nm; Attenuation coefficient, 508 nm; Attenuation coefficient, 510 nm; Attenuation coefficient, 512 nm; Attenuation coefficient, 514 nm; Attenuation coefficient, 516 nm; Attenuation coefficient, 518 nm; Attenuation coefficient, 520 nm; Attenuation coefficient, 522 nm; Attenuation coefficient, 524 nm; Attenuation coefficient, 526 nm; Attenuation coefficient, 528 nm; Attenuation coefficient, 530 nm; Attenuation coefficient, 532 nm; Attenuation coefficient, 534 nm; Attenuation coefficient, 536 nm; Attenuation coefficient, 538 nm; Attenuation coefficient, 540 nm; Attenuation coefficient, 542 nm; Attenuation coefficient, 544 nm; Attenuation coefficient, 546 nm; Attenuation coefficient, 548 nm; Attenuation coefficient, 550 nm; Attenuation coefficient, 552 nm; Attenuation coefficient, 554 nm; Attenuation coefficient, 556 nm; Attenuation coefficient, 558 nm; Attenuation coefficient, 560 nm; Attenuation coefficient, 562 nm; Attenuation coefficient, 564 nm; Attenuation coefficient, 566 nm; Attenuation coefficient, 568 nm; Attenuation coefficient, 570 nm; Attenuation coefficient, 572 nm; Attenuation coefficient, 574 nm; Attenuation coefficient, 576 nm; Attenuation coefficient, 578 nm; Attenuation coefficient, 580 nm; Attenuation coefficient, 582 nm; Attenuation coefficient, 584 nm; Attenuation coefficient, 586 nm; Attenuation coefficient, 588 nm; Attenuation coefficient, 590 nm; Attenuation coefficient, 592 nm; Attenuation coefficient, 594 nm; Attenuation coefficient, 596 nm; Attenuation coefficient, 598 nm; Attenuation coefficient, 600 nm; Attenuation coefficient, 602 nm; Attenuation coefficient, 604 nm; Attenuation coefficient, 606 nm; Attenuation coefficient, 608 nm; Attenuation coefficient, 610 nm; Attenuation coefficient, 612 nm; Attenuation coefficient, 614 nm; Attenuation coefficient, 616 nm; Attenuation coefficient, 618 nm; Attenuation coefficient, 620 nm; Attenuation coefficient, 622 nm; Attenuation coefficient, 624 nm; Attenuation coefficient, 626 nm; Attenuation coefficient, 628 nm; Attenuation coefficient, 630 nm; Attenuation coefficient, 632 nm; Attenuation coefficient, 634 nm; Attenuation coefficient, 636 nm; Attenuation coefficient, 638 nm; Attenuation coefficient, 640 nm; Attenuation coefficient, 642 nm; Attenuation coefficient, 644 nm; Attenuation coefficient, 646 nm; Attenuation coefficient, 648 nm; Attenuation coefficient, 650 nm; Attenuation coefficient, 652 nm; Attenuation coefficient, 654 nm; Attenuation coefficient, 656 nm; Attenuation coefficient, 658 nm; Attenuation coefficient, 660 nm; Attenuation coefficient, 662 nm; Attenuation coefficient, 664 nm; Attenuation coefficient, 666 nm; Attenuation coefficient, 668 nm; Attenuation coefficient, 670 nm; Attenuation coefficient, 672 nm; Attenuation coefficient, 674 nm; Attenuation coefficient, 676 nm; Attenuation coefficient, 678 nm; Attenuation coefficient, 680 nm; Attenuation coefficient, 682 nm; Attenuation coefficient, 684 nm; Attenuation coefficient, 686 nm; Attenuation coefficient, 688 nm; Attenuation coefficient, 690 nm; Attenuation coefficient, 692 nm; Attenuation coefficient, 694 nm; Attenuation coefficient, 696 nm; Attenuation coefficient, 698 nm; Attenuation coefficient, 700 nm; Attenuation coefficient, 702 nm; Attenuation coefficient, 704 nm; Attenuation coefficient, 706 nm; Attenuation coefficient, 708 nm; Attenuation coefficient, 710 nm; Attenuation coefficient, 712 nm; Attenuation coefficient, 714 nm; Attenuation coefficient, 716 nm; Attenuation coefficient, 718 nm; Attenuation coefficient, 720 nm; Attenuation coefficient, 722 nm; Attenuation coefficient, 724 nm; Attenuation coefficient, 726 nm; Attenuation coefficient, 728 nm; Attenuation coefficient, 730 nm; Attenuation coefficient, 732 nm; Attenuation coefficient, 734 nm; Attenuation coefficient, 736 nm; Attenuation coefficient, 738 nm; Attenuation coefficient, 740 nm; Chlorophyll a; Chlorophyll a, standard deviation; DATE/TIME; Event label; Fluorometer, WET Labs, FL3; Germany; Inland Water Remote Sensing Validation Campaign 2017; IWRSVC-2017; Organic matter, colored dissolved; Organic matter, colored dissolved, standard deviation; Phycoerythrin; Phycoerythrin, standard deviation; Principal investigator; Spectral Absorption and Attenuation Sensor, AC-S; Spectrophotometer, WET Labs, Inc., AC-S; Suessersee-1207_AC-S; Suessersee-1406_AC-S; Total scattering coefficient, 400 nm; Total scattering coefficient, 402 nm; Total scattering coefficient, 404 nm; Total scattering coefficient, 406 nm; Total scattering coefficient, 408 nm; Total scattering coefficient, 410 nm; Total scattering coefficient, 412 nm; Total scattering coefficient, 414 nm; Total scattering coefficient, 416 nm; Total scattering coefficient, 418 nm; Total scattering coefficient, 420 nm; Total scattering coefficient, 422 nm; Total scattering coefficient, 424 nm; Total scattering coefficient, 426 nm; Total scattering coefficient, 428 nm; Total scattering coefficient, 430 nm; Total scattering coefficient, 432 nm; Total scattering coefficient, 434 nm; Total scattering coefficient, 436 nm; Total scattering coefficient, 438 nm; Total scattering coefficient, 440 nm; Total scattering coefficient, 442 nm; Total scattering coefficient, 444 nm; Total scattering coefficient, 446 nm; Total scattering coefficient, 448 nm; Total scattering coefficient, 450 nm; Total scattering coefficient, 452 nm; Total scattering coefficient, 454 nm; Total scattering coefficient, 456 nm; Total scattering coefficient, 458 nm; Total scattering coefficient, 460 nm; Total scattering coefficient, 462 nm; Total scattering coefficient, 464 nm; Total scattering coefficient, 466 nm; Total scattering coefficient, 468 nm; Total scattering coefficient, 470 nm; Total scattering coefficient, 472 nm; Total scattering coefficient, 474 nm; Total scattering coefficient, 476 nm; Total scattering coefficient, 478 nm; Total scattering coefficient, 480 nm; Total scattering coefficient, 482 nm; Total scattering coefficient, 484 nm; Total scattering coefficient, 486 nm; Total scattering coefficient, 488 nm; Total scattering coefficient, 490 nm; Total scattering coefficient, 492 nm; Total scattering coefficient, 494 nm; Total scattering coefficient, 496 nm; Total
    Type: Dataset
    Format: text/tab-separated-values, 698 data points
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  • 7
    facet.materialart.
    Unknown
    Spectral particulate absorption and attenuation coefficients derived from unterwater measurements from Kelbra Reservoir (Germany) during the Inland Water Remote Sensing Validation Campaign 2017 (2023)
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    Details
    Publication Date: 2023-06-27
    Description: Measurements were taken from Wetlabs AC-S a spectral absoption and attenuation sensor and Wetlabs FL3W an underwater fluorometer with three channels(chlorophyll, pycoerythrin, CDOM flurorescence). Data is quality assured. The measured parameters from AC-S are attenuation and absorption coefficients (latter with scattering error). Results of attenuation channel used, results of absorption channel not used. Data are corrected for temperature and salinity, blank measurements of HE488 was used for blanking, remaining temperature effects are removed manual, choosen a correct temperature differences. Detector angle error of attenuation channel not corrected. All results are averages of measurements over 10-20 min. Total scattering coefficients provided, from AC-S attenuation minus PSICAM absorption results. The measured parameters from FL3W are using calibration of manufacturer. All results are averages of measurements over 10-20 min. For both sensors no standard deviations provided, but data are available.
    Keywords: AC-S; Attenuation coefficient, 400 nm; Attenuation coefficient, 402 nm; Attenuation coefficient, 404 nm; Attenuation coefficient, 406 nm; Attenuation coefficient, 408 nm; Attenuation coefficient, 410 nm; Attenuation coefficient, 412 nm; Attenuation coefficient, 414 nm; Attenuation coefficient, 416 nm; Attenuation coefficient, 418 nm; Attenuation coefficient, 420 nm; Attenuation coefficient, 422 nm; Attenuation coefficient, 424 nm; Attenuation coefficient, 426 nm; Attenuation coefficient, 428 nm; Attenuation coefficient, 430 nm; Attenuation coefficient, 432 nm; Attenuation coefficient, 434 nm; Attenuation coefficient, 436 nm; Attenuation coefficient, 438 nm; Attenuation coefficient, 440 nm; Attenuation coefficient, 442 nm; Attenuation coefficient, 444 nm; Attenuation coefficient, 446 nm; Attenuation coefficient, 448 nm; Attenuation coefficient, 450 nm; Attenuation coefficient, 452 nm; Attenuation coefficient, 454 nm; Attenuation coefficient, 456 nm; Attenuation coefficient, 458 nm; Attenuation coefficient, 460 nm; Attenuation coefficient, 462 nm; Attenuation coefficient, 464 nm; Attenuation coefficient, 466 nm; Attenuation coefficient, 468 nm; Attenuation coefficient, 470 nm; Attenuation coefficient, 472 nm; Attenuation coefficient, 474 nm; Attenuation coefficient, 476 nm; Attenuation coefficient, 478 nm; Attenuation coefficient, 480 nm; Attenuation coefficient, 482 nm; Attenuation coefficient, 484 nm; Attenuation coefficient, 486 nm; Attenuation coefficient, 488 nm; Attenuation coefficient, 490 nm; Attenuation coefficient, 492 nm; Attenuation coefficient, 494 nm; Attenuation coefficient, 496 nm; Attenuation coefficient, 498 nm; Attenuation coefficient, 500 nm; Attenuation coefficient, 502 nm; Attenuation coefficient, 504 nm; Attenuation coefficient, 506 nm; Attenuation coefficient, 508 nm; Attenuation coefficient, 510 nm; Attenuation coefficient, 512 nm; Attenuation coefficient, 514 nm; Attenuation coefficient, 516 nm; Attenuation coefficient, 518 nm; Attenuation coefficient, 520 nm; Attenuation coefficient, 522 nm; Attenuation coefficient, 524 nm; Attenuation coefficient, 526 nm; Attenuation coefficient, 528 nm; Attenuation coefficient, 530 nm; Attenuation coefficient, 532 nm; Attenuation coefficient, 534 nm; Attenuation coefficient, 536 nm; Attenuation coefficient, 538 nm; Attenuation coefficient, 540 nm; Attenuation coefficient, 542 nm; Attenuation coefficient, 544 nm; Attenuation coefficient, 546 nm; Attenuation coefficient, 548 nm; Attenuation coefficient, 550 nm; Attenuation coefficient, 552 nm; Attenuation coefficient, 554 nm; Attenuation coefficient, 556 nm; Attenuation coefficient, 558 nm; Attenuation coefficient, 560 nm; Attenuation coefficient, 562 nm; Attenuation coefficient, 564 nm; Attenuation coefficient, 566 nm; Attenuation coefficient, 568 nm; Attenuation coefficient, 570 nm; Attenuation coefficient, 572 nm; Attenuation coefficient, 574 nm; Attenuation coefficient, 576 nm; Attenuation coefficient, 578 nm; Attenuation coefficient, 580 nm; Attenuation coefficient, 582 nm; Attenuation coefficient, 584 nm; Attenuation coefficient, 586 nm; Attenuation coefficient, 588 nm; Attenuation coefficient, 590 nm; Attenuation coefficient, 592 nm; Attenuation coefficient, 594 nm; Attenuation coefficient, 596 nm; Attenuation coefficient, 598 nm; Attenuation coefficient, 600 nm; Attenuation coefficient, 602 nm; Attenuation coefficient, 604 nm; Attenuation coefficient, 606 nm; Attenuation coefficient, 608 nm; Attenuation coefficient, 610 nm; Attenuation coefficient, 612 nm; Attenuation coefficient, 614 nm; Attenuation coefficient, 616 nm; Attenuation coefficient, 618 nm; Attenuation coefficient, 620 nm; Attenuation coefficient, 622 nm; Attenuation coefficient, 624 nm; Attenuation coefficient, 626 nm; Attenuation coefficient, 628 nm; Attenuation coefficient, 630 nm; Attenuation coefficient, 632 nm; Attenuation coefficient, 634 nm; Attenuation coefficient, 636 nm; Attenuation coefficient, 638 nm; Attenuation coefficient, 640 nm; Attenuation coefficient, 642 nm; Attenuation coefficient, 644 nm; Attenuation coefficient, 646 nm; Attenuation coefficient, 648 nm; Attenuation coefficient, 650 nm; Attenuation coefficient, 652 nm; Attenuation coefficient, 654 nm; Attenuation coefficient, 656 nm; Attenuation coefficient, 658 nm; Attenuation coefficient, 660 nm; Attenuation coefficient, 662 nm; Attenuation coefficient, 664 nm; Attenuation coefficient, 666 nm; Attenuation coefficient, 668 nm; Attenuation coefficient, 670 nm; Attenuation coefficient, 672 nm; Attenuation coefficient, 674 nm; Attenuation coefficient, 676 nm; Attenuation coefficient, 678 nm; Attenuation coefficient, 680 nm; Attenuation coefficient, 682 nm; Attenuation coefficient, 684 nm; Attenuation coefficient, 686 nm; Attenuation coefficient, 688 nm; Attenuation coefficient, 690 nm; Attenuation coefficient, 692 nm; Attenuation coefficient, 694 nm; Attenuation coefficient, 696 nm; Attenuation coefficient, 698 nm; Attenuation coefficient, 700 nm; Attenuation coefficient, 702 nm; Attenuation coefficient, 704 nm; Attenuation coefficient, 706 nm; Attenuation coefficient, 708 nm; Attenuation coefficient, 710 nm; Attenuation coefficient, 712 nm; Attenuation coefficient, 714 nm; Attenuation coefficient, 716 nm; Attenuation coefficient, 718 nm; Attenuation coefficient, 720 nm; Attenuation coefficient, 722 nm; Attenuation coefficient, 724 nm; Attenuation coefficient, 726 nm; Attenuation coefficient, 728 nm; Attenuation coefficient, 730 nm; Attenuation coefficient, 732 nm; Attenuation coefficient, 734 nm; Attenuation coefficient, 736 nm; Attenuation coefficient, 738 nm; Attenuation coefficient, 740 nm; Chlorophyll a; Chlorophyll a, standard deviation; Comment; DATE/TIME; Fluorometer, WET Labs, FL3; Germany; Inland Water Remote Sensing Validation Campaign 2017; IWRSVC-2017; Kelbra-1033_AC-S; Organic matter, colored dissolved; Organic matter, colored dissolved, standard deviation; Phycoerythrin; Phycoerythrin, standard deviation; Principal investigator; Spectral Absorption and Attenuation Sensor, AC-S; Spectrophotometer, WET Labs, Inc., AC-S
    Type: Dataset
    Format: text/tab-separated-values, 179 data points
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  • 8
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    In-situ soil moisture and -temperature time series measurements during SwabianMOSES campaign 2021 (2022)
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    Publication Date: 2024-03-28
    Description: As part of the hydro-meteorological measurement campaign SwabianMOSES 2021 time-domain transmission soil moisture sensors and temperature sensors with custom-made logger systems were used to measure time series of these soil state variables. The aim of these investigations was to provide data on physical soil properties used in a cross-disciplinary approach for a better understanding of hydro-meteorological extremes (such as high precipitation events and droughts). Each measurement site consisted of sensors at three depths with two sensors each. Logger systems were installed at six different observation sites which were distributed across the whole campaign target area in the vicinity of the Swabian Jura in Germany. Decisions on the specific installation depths were made during the installation at the respective sites based on the constitution of the local soil profiles. Installation protocols with a brief soil profile description and photos are part of this dataset. The dataset contains the values of location and time (UTC), soil temperature (in °C), relative permittivity and soil moisture (in % vol) derived from permittivity. Determination of soil moisture was done using the formula of Topp et al. (1980). As sensors, the SMT100 soil moisture sensor with integrated temperature measurement were used. All sensors were installed within the upper 50cm below ground. The exact depths for each sensor are listed in the comments.
    Keywords: 2021_MOSES_Swabian; Baden-Wuerttemberg; DATE/TIME; Event label; Field measurements; hail; In-Situ Measurements; Modular Observation Solutions for Earth Systems; MOSES; MOSES_1_Rottenburg; MOSES_3_Haigerloch; MOSES_42_Steinlach; MOSES_61_Grossbettlingen; MOSES_63_Reutlingen-Betzingen; MOSES_70_Lauswiesen; MULT; Multiple investigations; Permittivity, relative; Sampling on land; SMT100; Soil moisture; Soil Moisture; Soil moisture and temperature sensor, SMT100, Truebner GmbH; soil moisture content; soil permittivity; soil temperature; Swabian MOSES; TDT; Temperature, soil; weather extremes
    Type: Dataset
    Format: text/tab-separated-values, 4561020 data points
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  • 9
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    Inland Water Remote Sensing Validation Campaign 2017 (2023)
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    Publication Date: 2024-04-23
    Description: In this measurement campaign of five water bodies (lakes and reservoirs) several German research groups organised a joint effort to collect a data set for testing, evaluating, and potentially improving the abilities of satellite-based monitoring of water quality in standing waters. The strategy of the campaign is summarised in Figure 1 (documentation "Conceptual design of Inland Water Remote Sensing Validation Campaign 2017") and consists of three independently measured categories of data: (i) satellite-based monitoring, (ii) in situ monitoring, and (iii) bio-optical characterisation. The latter aspect, in particular, was intended in order to go beyond classical comparison of satellite-based and in-situ observations and to enable a more process-oriented and physically-based assessment of the observations made during the satellite overcasts. We concentrated our work on one week in summer 2017 and organised a synoptically measurement campaign on five lakes in Central Germany (Lake Arendsee, Lake Geiseltalsee, Kelbra Reservoir, Rappbode Reservoir, Lake Süßer See, see Tab. 1 in documentation "Main physical and limnological characteristics of the five water bodies from Inland Water Remote Sensing Validation Campaign 2017") based on various field and lab methods. The synoptically approach required the equipment of five sampling teams that are able to work independently from each other. Field- instruments used during the campaign (which required to be available in five sets) had been compared with each other in a separate intercalibration day. All lab-based measurements took place at the central lab of the Helmholtz-Centre for Environmental Research in Magdeburg using methods as outlined in Friese et al. (2014). The five water bodies were intentionally chosen because they reflect a broad range of temperate standing waters with respect to size, depth, trophic state, and the occurrence of cyanobacterial blooms. In addition, also natural and artificial water bodies are reflected by this set of lakes/reservoirs. To our knowledge, this is one of the rare multiple-teams efforts in remote sensing research on water quality making the collection of data in terms of their synoptic evaluation and broad methodological basis particularly useful and valuable.
    Keywords: IWRSVC-2017
    Type: Dataset
    Format: 9 datasets
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  • 10
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    Results of lake water analysis from Lake Geiseltal in Saxony-Anhalt during the Inland Water Remote Sensing Validation Campaign 2017 (2023)
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    Publication Date: 2024-04-23
    Description: Lake Geiseltal is the largest lake of Saxony-Anhalt and the largest artificial lake of Germany (max. depth 78 m; mean depth 22.8 m; volume 423 Mio. m³; surface area 1853 ha) and can be classified as oligotrophic. It was created by the excavation of lignite in several former surface mines starting at industrial scale in 1906 (formerly only small-scale mining dated back to 1698; Knochenhauer 1996). Mining stopped 1993 after 1.4*109 tons of lignite and the same mass of overburden were excavated. To stabilize the slopes of the residual mine pits and to avoid acidification from mine drainage, a planned, large scale flooding of the residual mine pits started in 2003 by pumping water from River Saale that was cleaned up by sand filtration before (Fritz et al. 2001). In 2011, the flooding of the lake was completed (LMBV 2018). Algal productivity in the lake is low and water transparency high, the littoral compartments along the shores harbor large stocks of submerged macrophytes. This publication series includes datasets collected on Lake Geiseltal during the Inland Water Remote Sensing Validation Campaign 2017 (Bumberger et al. 2023).
    Type: Dataset
    Format: application/zip, 7 datasets
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