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  • Marine Biological Laboratory (Woods Hole, Mass.)  (1,768)
  • Deutsches GeoForschungsZentrum GFZ
  • English  (1,948)
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  • 1
    Publication Date: 2021-08-13
    Description: Abstract
    Description: Infrared-Spectrometry on Cutting Samples of the KTB Main Hole (Drill Section HB1), 7-5590 m.
    Keywords: German Continental Deep Drilling Program ; Land based ; CO2 ; H2O ; infrared spectrometry ; total carbon
    Language: English
    Type: Dataset , Dataset
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  • 2
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    Deutsches GeoForschungsZentrum GFZ
    Publication Date: 2021-08-13
    Description: Abstract
    Description: The qualitative and quantitative phase analyses were performed in the KTB field laboratory by x-ray powder diffraction using SIEMENS D 500 diffractometer. During early stages of the KTB project a new method for quantitative phase analysis was developed (see references below). The method is based on the comparison of the diffraction spectrum of the unknown sample with those of pure minerals. The powder diffraction data of the minerals are stored in a database built up of 250 natural minerals separated from various types of igneous and metamorphic rocks. The complete analyses (radiation: Cu K alpha, lambda: 1,5405Å, stepwidth: 0,01°, counting time 2 sec/step, angle 2-80°) was carried out automatically including computations. The results of this quantitative phase analysis were used e.g. to check thin section petrography (and vice versa) and to construct a \"mineralogical rock composition log\".
    Keywords: German Continental Deep Drilling Program ; Land based ; Accessories ; Al2SiO5 ; Amphiboles ; Biotites ; Carbonates ; Chlorite ; Clinopyroxene ; Date of Sampling ; Epidote ; Garnet ; Olivine ; Orthopyroxene ; Oxyde Ores ; Plagioclases ; Potassium Feldspars ; Quartz ; Serpentine ; Spinels ; Sulfidic Ores ; White Mica ; X-ray diffraction ; Zeolite
    Language: English
    Type: Dataset , Dataset
    Format: 60459 DataPoints
    Format: text/tab-separated-values
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  • 3
    Publication Date: 2021-08-16
    Description: Abstract
    Description: C/N mass ratios remain constant throughout MIS 3 and into MIS 2, with values between 6.3 and 8.9, indicating no significant terrestrial input of organic matter (Fig. 3). Low %TOC values during the interstadial increase from 0.4 to 0.7 between 57.8 and 43.7 kyr BP with a concurrent gradual increase in δ13C(organic) amid oscillations between −23.2‰ and −26.1‰ (Fig. 3). %TOC falls to 0.4 between 40.9 and 39.4 kyr BP whereas δ13C(organic) remains high at c. 24‰ with a peak value of −23.6‰ at 39.4 kyr BP. The subsequent two-stage increase in %TOC from 39 to 37.9 kyr BP and between 37.3 and 36.9 kyr BP is marked by a period of δ13C(organic) lowering to c. −26.6‰ before δ13C(organic) increases after 37.9 kyr BP to −24.8‰, values comparable to those prior to the %TOC decline at 40.9 kyr BP.
    Keywords: Vereshchagin Long Cores Expedition 2001 ; R/V Vereshchagin ; δ13C ; age (calendar years) ; AMS ; calculation ; Carbon/Nitrogen ratio ; correlation of paleointensity records ; total organic carbon ; AMS
    Language: English
    Type: Dataset , Dataset
    Format: 400 Datapoints
    Format: text/tab-separated-values
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  • 4
    Publication Date: 2022-05-13
    Description: Abstract
    Description: Down-core variations of the high-resolution magnetic susceptibility (0.1 cm steps)have been obtained for kasten and pilot cores from sites CON01-603 and CON01-605. This allowed the transfer of AMS 14C dating performed on kasten cores to the performed on kasten cores to the pilot cores subjected to paleomagnetic investigations. Note the discrepancies in the magnetic susceptibility curves from the pilot core from site CON 01-605 (Vydrino Shoulder) measured in 2001 and 2003, respectively (right). Several large peaks visible in the first measurement from 2001 (dashed lines) disappeared after a 2-year-long storage. This is a first hint for the presence the ferromagnetic, chemically unstable greigite.
    Keywords: Vereshchagin Long Cores Expedition 2001 ; R/V Vereshchagin ; magnetic susceptibility ; loop sensor
    Language: English
    Type: Dataset , Dataset
    Format: 9666 Datapoints
    Format: text/tab-separated-values
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  • 5
    Publication Date: 2022-11-29
    Description: Abstract
    Description: In August and September 2013, 17 shallow ocean bottom seismograph (S-OBS) stations and 8 land stations had been deployed on and around Muostakh Island (Laptev Sea, Russia) for a time period of 24 days. The specifically designed underwater recording equipment consists of a low-power digital recorder, a standard 4.5Hz 3-component geophone, and a battery pack. These components are enclosed in a watertight cylindrical container safe for operation down to 100m water depth. Land stations were also equipped with 4.5 Hz 1C-geophones as well as with batteries. All instruments recorded continuously with 200 samples per second (sps). The stations were deployed along two profiles covering a region of 8km x 8 km. The tilt of the geophone inside the S-OBS influences the sensor characteristics. Since the orientation and tilt at the ocean bottom was unknown, approximately every 24 hours a calibration signal (a sequence of step-functions) was applied to the sensors of the ocean stations. This might be used to recover the actual sensor characteristics (eigenfrequency and damping). The dataset contains 1) a info-folder with a) a README file; b) a file containing the times when calibration signals occurred (format: recorder_ID - date - time); c) the station table (ASCII; recorder_ID - latitude - longitude - (water)depth); d) a map of the region with the locations of the stations; 2) raw CUBE-formatted data; 3) converted mini-seed-formatted data (hourly files).
    Keywords: Seismology ; Laptev Sea (Russia) ; Cryosphere ; Solid Earth ; Permafrost
    Language: English
    Type: Dataset , temporary seismological network
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  • 6
    Publication Date: 2022-11-29
    Description: Abstract
    Description: A temporary seismic array was installed in combination with a meteorological station in the Dead Sea valley, Jordan. Within the scope of the HGF virtual institute DESERVE we operated 15 temporary seismic stations between February 2014 and February 2015 together with a nearby meteorological station close to the east coast of the Dead Sea. The main aim was to acquire data to study the influence of wind on seismic records and retrieve related meteorological parameters. The study area is scarcely populated and has ideal meteorological conditions to study periodically occurring winds.
    Keywords: Seismology ; Array ; Noise ; Wind
    Language: English
    Type: Dataset , controlled source data
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  • 7
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    Marine Biological Laboratory (Woods Hole, Mass.) | Arizona Board of Regents
    In:  Viktor Hamburger Papers, Box 1, Folder 23, Marine Biological Laboratory Archives
    Publication Date: 2023-01-12
    Description: Typewritten letter, 1 page
    Description: About fixatives he uses
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
    Format: application/pdf
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  • 8
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    Marine Biological Laboratory (Woods Hole, Mass.) | Arizona Board of Regents
    In:  Viktor Hamburger Papers, Box 1, Folder 10, Marine Biological Laboratory Archives
    Publication Date: 2023-01-12
    Description: Request for recommendation letter for Judy Brunso-Bechtold
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
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  • 9
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    Marine Biological Laboratory (Woods Hole, Mass.) | Arizona Board of Regents
    In:  Viktor Hamburger Papers, Box 1, Folder 9, Marine Biological Laboratory Archives
    Publication Date: 2023-01-12
    Description: Recommendation letter for Anne Bekoff for a position at the University of Colorado
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
    Format: application/pdf
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  • 10
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    Marine Biological Laboratory (Woods Hole, Mass.)
    In:  Viktor Hamburger Papers, Box 1, Folder 31
    Publication Date: 2023-01-12
    Description: Handwritten note, 1 page
    Description: Notes on discussion with Gottlieb regarding "Main difference of opinion: Behavior patternsÄ appear suddenly, with antecedents. As against gradual development..."
    Description: Correspondence
    Keywords: People
    Repository Name: Woods Hole Open Access Server
    Language: English
    Type: Text
    Format: image/tiff
    Format: application/pdf
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