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  • 2020-2024  (7)
Document type
Keywords
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Years
Year
  • 1
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    Unknown
    A 1300-year microfaunal record from the Beaufort Sea shelf indicates exceptional climate-related environmental changes over the last two centuries (2023)
    Elsevier BV
    In:  EPIC3Palaeogeography Palaeoclimatology Palaeoecology, Elsevier BV, 625, pp. 111670-111670, ISSN: 0031-0182
    Details
    Publication Date: 2023-07-03
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
    Location Call Number Limitation Availability
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    PAPER (OA)
  • 2
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    Spatial and annual patterns of grain size and organic matter content in an intertidal area, St. Lawrence Estuary, Canada (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-13
    Description: The data presents field sampling undertaken at Nazareth tidal flat and marsh located west of Rimouski on the southern shore of Lower St. Lawrence Estuary (Canada). Three cross shore transects (A, B, C) were established with a total of 29 stations covering high marsh, low marsh, mudflat and sandflat. Grain size distribution and organic matter content (loss on ignition) of surface scrape sediments were analyzed in summer 2016 and summer 2018.
    Keywords: A1; A2; A3; A4; A5; A6; A7; A8; A9; B1; B10; B2; B3; B4; B5; B6; B7; B8; B9; Biofilms; Biostabilization; C1; C10; C2; C3; C4; C5; C6; C7; C8; C9; Campaign; Clay minerals; Cohesive Strength Meter (CSM); Elevation of event; Erosion Thresholds; Event label; Geometric method of moments; Grain size, mean; Gravel; Intertidal cohesive sediments; Latitude of event; Longitude of event; Loss on ignition; Median, grain size; MULT; Multiple investigations; Sand; Silt; Sorting; St.Lawrence_A1; St.Lawrence_A2; St.Lawrence_A3; St.Lawrence_A4; St.Lawrence_A5; St.Lawrence_A6; St.Lawrence_A7; St.Lawrence_A8; St.Lawrence_A9; St.Lawrence_B1; St.Lawrence_B10; St.Lawrence_B2; St.Lawrence_B3; St.Lawrence_B4; St.Lawrence_B5; St.Lawrence_B6; St.Lawrence_B7; St.Lawrence_B8; St.Lawrence_B9; St.Lawrence_C1; St.Lawrence_C10; St.Lawrence_C2; St.Lawrence_C3; St.Lawrence_C4; St.Lawrence_C5; St.Lawrence_C6; St.Lawrence_C7; St.Lawrence_C8; St.Lawrence_C9; St. Lawrence Estuary, lower
    Type: Dataset
    Format: text/tab-separated-values, 522 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Spatial and annual patterns of erosion threshold in an intertidal area, St. Lawrence Estuary, Canada (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-24
    Description: The data presents field sampling undertaken at Nazareth tidal flat and marsh located west of Rimouski on the southern shore of Lower St. Lawrence Estuary (Canada). Three cross shore transects (A, B, C) were established with a total of 29 stations covering high marsh, low marsh, mudflat and sandflat. The erodability of sediment was measured with a cohesive strength meter (CSM Mk IV) in terms of critical erosion threshold (n=5). Measurements for the annual changes in critical erosion threshold were conducted in three consecutive summers on transects A, B, C in 2016 (9-11 August), 2017 (23-25 August) and on transect B in 2018 (6 September).
    Keywords: A1; A2; A3; A4; A5; A6; A7; A8; A9; Analytical method; B1; B10; B2; B3; B4; B5; B6; B7; B8; B9; Biofilms; Biostabilization; C1; C10; C2; C3; C4; C5; C6; C7; C8; C9; Campaign; Cohesive Strength Meter (CSM); Critical erosion threshold; DATE/TIME; Elevation of event; Erosion Thresholds; Event label; File name; Intertidal cohesive sediments; Latitude of event; Longitude of event; MULT; Multiple investigations; Replicate; St.Lawrence_A1; St.Lawrence_A2; St.Lawrence_A3; St.Lawrence_A4; St.Lawrence_A5; St.Lawrence_A6; St.Lawrence_A7; St.Lawrence_A8; St.Lawrence_A9; St.Lawrence_B1; St.Lawrence_B10; St.Lawrence_B2; St.Lawrence_B3; St.Lawrence_B4; St.Lawrence_B5; St.Lawrence_B6; St.Lawrence_B7; St.Lawrence_B8; St.Lawrence_B9; St.Lawrence_C1; St.Lawrence_C10; St.Lawrence_C2; St.Lawrence_C3; St.Lawrence_C4; St.Lawrence_C5; St.Lawrence_C6; St.Lawrence_C7; St.Lawrence_C8; St.Lawrence_C9; St. Lawrence Estuary, lower; Transmission of light
    Type: Dataset
    Format: text/tab-separated-values, 2441 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Seasonal and spatial variations in the erosion threshold of intertidal sediments at St. Lawrence Estuary, Canada (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-24
    Description: Erosion threshold (n=5) of surface sediment was measured with a cohesive strength meter (CSM Mk IV) to determine seasonal and spatial changes in sediment erodibility at Nazareth tidal flat and marsh located west of Rimouski on the southern shore of Lower St. Lawrence Estuary (Canada). Multiple field campaigns were conducted at three cross shore transects (A, B, C) in summer 2016 (8, 9, 10 August), summer 2017 (23, 24, 25 August), with subsequent campaigns at B Transect in autumn 2017 (22, 25 November), winter 2018 (16, 20 February), spring 2018 (30 May), and summer 2018 (6 September). The data presented here does not contain the summer field campaigns, which was published in the context of annual variations in sediment erodibility (Waqas et al., 2019, https://doi.org/10.1594/PANGAEA.911769).
    Keywords: Analytical method; B1; B10; B2; B3; B4; B5; B5a; B5b; B6; B7; B8; B9; Campaign; Cohesive Strength Meter (CSM); Critical erosion threshold; DATE/TIME; Elevation of event; Erosion Thresholds; Event label; File name; Intertidal cohesive sediments; Latitude of event; Longitude of event; MULT; Multiple investigations; Replicate; St.Lawrence_B1; St.Lawrence_B10; St.Lawrence_B2; St.Lawrence_B3; St.Lawrence_B4; St.Lawrence_B5; St.Lawrence_B5a; St.Lawrence_B5b; St.Lawrence_B6; St.Lawrence_B7; St.Lawrence_B8; St.Lawrence_B9; St. Lawrence Estuary, lower; Transmission of light
    Type: Dataset
    Format: text/tab-separated-values, 889 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Seasonal and spatial distributions of grain size and organic matter content across an intertidal area at St. Lawrence Estuary, Canada (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: Grain size distribution and organic matter content (loss on ignition) of surface scrape sediments were analyzed in summer 2016, autumn 2017, and summer 2018 at Nazareth tidal flat and marsh located west of Rimouski on the southern shore of Lower St. Lawrence Estuary (Canada). Surface sediment samples for analysis of grain size and organic matter content were collected at each site within 1 m radius of CSM measurements using a spatula to scrape the top 2-3 cm of sediments. The combustible organic matter content (loss on ignition, LOI) of the surface sediments was determined after: (1) drying at 60°C for 24 h until no weight change occurred; (2) placing in oven at 450°C for 16 h. For grain size analysis, the coarse and the fine grain size distributions were processed with Gradistat (Blott and Pye, 2001) to compute median grain size (d50), mean grain size, and sorting using the geometric moment method. The sorting is calculated similarly to a standard deviation. Cross-shore transect B was sampled in November 2017 for which, the data is presented here. The data for summer 2016, summer 2017, and summer 2018 was published in the context of annual variations in sediment biostabilization (Waqas et al., 2019, doi:10.1594/PANGAEA.911771)
    Keywords: B1; B2; B3; B4; B5; B6; B7; B8; B9; Campaign; CamsizerXT (Retsch Technology), statistical analysis GRADISTAT package (Blott and Pye, 2001); Clay minerals; Elevation of event; Event label; Geometric method of moments; Grain Size; Grain size, mean; Gravel; Intertidal cohesive sediments; Latitude of event; Longitude of event; Median, grain size; MULT; Multiple investigations; organic matter; Sand; Silt; Sorting; St.Lawrence_B1; St.Lawrence_B2; St.Lawrence_B3; St.Lawrence_B4; St.Lawrence_B5; St.Lawrence_B6; St.Lawrence_B7; St.Lawrence_B8; St.Lawrence_B9; St. Lawrence Estuary, lower
    Type: Dataset
    Format: text/tab-separated-values, 72 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Spatial and annual patterns of biofilms in an intertidal area, St. Lawrence Estuary, Canada (2020)
    PANGAEA
    Details
    Publication Date: 2024-01-08
    Description: The data presents field sampling undertaken at Nazareth tidal flat and marsh located west of Rimouski on the southern shore of Lower St. Lawrence Estuary (Canada). Three cross shore transects (A, B, C) were established with a total of 29 stations covering high marsh, low marsh, mudflat and sandflat. Small sediment cores (n=3) were taken for quantifying EPS (EPS SALINE & EPS EDTA) and pigment concentration (Chlorophyll a and Phaeopigments) using 60 ml syringes (36 mm ϕ). Measurements for the annual changes in Chl a and EPS concentrations were conducted in three consecutive summers on transects A, B, C in 2016 (9-11 August), 2017 (23-25 August) and on transect B in 2018 (6 September).
    Keywords: A1; A2; A3; A4; A5; A6; A7; A8; A9; B1; B10; B2; B3; B4; B5; B6; B7; B8; B9; Biofilms; Biostabilization; C1; C10; C2; C3; C4; C5; C6; C7; C8; C9; Chlorophyll a, areal concentration; Chlorophyll a/phaeopigments ratio; Chlorophyll a per unit sediment mass; Chloroplastic pigment equivalents; Chloroplastic pigment equivalents per area; Cohesive Strength Meter (CSM); DATE/TIME; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Erosion Thresholds; Event label; Extrapolymeric substances; Intertidal cohesive sediments; Latitude of event; Longitude of event; MULT; Multiple investigations; Phaeopigments, areal concentration; Phaeopigments per unit sediment mass; Replicate; St.Lawrence_A1; St.Lawrence_A2; St.Lawrence_A3; St.Lawrence_A4; St.Lawrence_A5; St.Lawrence_A6; St.Lawrence_A7; St.Lawrence_A8; St.Lawrence_A9; St.Lawrence_B1; St.Lawrence_B10; St.Lawrence_B2; St.Lawrence_B3; St.Lawrence_B4; St.Lawrence_B5; St.Lawrence_B6; St.Lawrence_B7; St.Lawrence_B8; St.Lawrence_B9; St.Lawrence_C1; St.Lawrence_C10; St.Lawrence_C2; St.Lawrence_C3; St.Lawrence_C4; St.Lawrence_C5; St.Lawrence_C6; St.Lawrence_C7; St.Lawrence_C8; St.Lawrence_C9; St. Lawrence Estuary, lower
    Type: Dataset
    Format: text/tab-separated-values, 7964 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Unknown
    Seasonal and spatial distributions of biofilm proxy parameters across an intertidal area at St. Lawrence Estuary, Canada (2020)
    PANGAEA
    Details
    Publication Date: 2024-01-08
    Description: The biofilm influence on sediment stabilization was determined by quantifying pigment contents (Chlorophyll a and Phaeopigments) and extra polymeric substances (EPSSaline, EPSEDTA) in surface sediment at Nazareth tidal flat and marsh located west of Rimouski on the southern shore of Lower St. Lawrence Estuary (Canada). Small sediment cores (n=3) were taken using 60 ml syringes (36 mm ϕ) and preserved in liquid nitrogen until further processing. The cores were sectioned on a cryo-macrotome (Leica CM3600 XP) in 1 mm slices down to 3 mm. Multiple field campaigns were conducted at three cross shore transects (A, B, C) in summer 2016 (8, 9, 10 August), summer 2017 (23, 24, 25 August), with subsequent campaigns at B Transect in autumn 2017 (22, 25 November), winter 2018 (16, 20 February), spring 2018 (30 May), and summer 2018 (6 September). The data presented here does not contain the summer field campaigns, which was published in the context of annual variations in sediment biostabilization (Waqas et al., 2019, https://doi.org/10.1594/PANGAEA.911765).
    Keywords: B1; B10; B2; B3; B4; B5; B5b; B6; B7; B8; B9; Biofilms; Biostabilization; Campaign; Chlorophyll a, areal concentration; Chlorophyll a/phaeopigments ratio; Chlorophyll a per unit sediment mass; Chloroplastic pigment equivalents; Chloroplastic pigment equivalents per area; DATE/TIME; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; Extrapolymeric substances; Intertidal cohesive sediments; Latitude of event; Longitude of event; MULT; Multiple investigations; Phaeopigments, areal concentration; Phaeopigments per unit sediment mass; Replicate; St.Lawrence_B1; St.Lawrence_B10; St.Lawrence_B2; St.Lawrence_B3; St.Lawrence_B4; St.Lawrence_B5; St.Lawrence_B5b; St.Lawrence_B6; St.Lawrence_B7; St.Lawrence_B8; St.Lawrence_B9; St. Lawrence Estuary, lower; Station label
    Type: Dataset
    Format: text/tab-separated-values, 3311 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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