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Waqas, Atif; Neumeier, Urs; Rochon, André (2020): Seasonal and spatial variations in the erosion threshold of intertidal sediments at St. Lawrence Estuary, Canada [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.921404

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Published: 2020-08-10DOI registered: 2020-09-03

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Abstract:
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).
Keyword(s):
Cohesive Strength Meter (CSM); Erosion Thresholds; Intertidal cohesive sediments
Related to:
Waqas, Atif; Neumeier, Urs; Rochon, André (2020): Seasonal changes in sediment erodibility associated with biostabilization in a subarctic intertidal environment, St. Lawrence Estuary, Canada. Estuarine, Coastal and Shelf Science, 245, 106935, https://doi.org/10.1016/j.ecss.2020.106935
Waqas, Atif; Neumeier, Urs; Rochon, André (2020): Spatial and annual patterns of erosion threshold in an intertidal area, St. Lawrence Estuary, Canada [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.911769
Coverage:
Median Latitude: 48.446538 * Median Longitude: -68.566827 * South-bound Latitude: 48.442337 * West-bound Longitude: -68.569947 * North-bound Latitude: 48.452196 * East-bound Longitude: -68.564470
Date/Time Start: 2017-11-22T00:00:00 * Date/Time End: 2018-05-30T00:00:00
Minimum Elevation: -1.3 m * Maximum Elevation: 2.3 m
Event(s):
St.Lawrence_B1 (B1)  * Latitude: 48.442337 * Longitude: -68.564470 * Elevation: 2.3 m * Location: St. Lawrence Estuary, lower * Method/Device: Multiple investigations (MULT)
St.Lawrence_B2 (B2)  * Latitude: 48.442965 * Longitude: -68.564915 * Elevation: 1.6 m * Location: St. Lawrence Estuary, lower * Method/Device: Multiple investigations (MULT)
St.Lawrence_B3 (B3)  * Latitude: 48.443752 * Longitude: -68.565270 * Elevation: 0.5 m * Location: St. Lawrence Estuary, lower * Method/Device: Multiple investigations (MULT)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Event labelEventWaqas, Atif
Latitude of eventLatitudeWaqas, Atif
Longitude of eventLongitudeWaqas, Atif
Elevation of eventElevationmWaqas, Atif
CampaignCampaignWaqas, Atif
DATE/TIMEDate/TimeWaqas, AtifGeocode
ReplicateReplWaqas, Atif
File nameFile nameWaqas, Atif
Analytical methodAnalyt methodWaqas, AtifCSM-Test
10 Transmission of lightTransmission%Waqas, Atif
11 Critical erosion thresholdPSI critpsiWaqas, AtifVertical jet pressure
12 Critical erosion thresholdTAU critPaWaqas, AtifHorizontal shear stress
Size:
889 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Event

Latitude

Longitude

Elevation [m]

Campaign

Date/Time

Repl

File name

Analyt method
10 
Transmission [%]
11 
PSI crit [psi]
12 
TAU crit [Pa]
St.Lawrence_B1 48.4423-68.56452Autumn 20172017-11-2517S1589.0335.2907.526
St.Lawrence_B148.4423-68.56452Autumn 20172017-11-2528S1693.1046.49011.107
St.Lawrence_B2 48.4430-68.56492Autumn 20172017-11-2511S1683.172.9921.810
St.Lawrence_B248.4430-68.56492Autumn 20172017-11-2522S1390.292.3671.456
St.Lawrence_B248.4430-68.56492Autumn 20172017-11-2533S1387.422.8971.757
St.Lawrence_B248.4430-68.56492Autumn 20172017-11-2544S1387.683.0331.834
St.Lawrence_B248.4430-68.56492Autumn 20172017-11-2555S1391.1210.8855.505
St.Lawrence_B248.4430-68.56492Autumn 20172017-11-2566S1389.326.0403.430
St.Lawrence_B3 48.4438-68.56530Autumn 20172017-11-22187S1383.461.5520.978
St.Lawrence_B348.4438-68.56530Autumn 20172017-11-22288S1389.122.2681.405
St.Lawrence_B348.4438-68.56530Autumn 20172017-11-22389S1386.321.8571.162
St.Lawrence_B4 48.4446-68.56570Autumn 20172017-11-22182S1384.741.6741.052
St.Lawrence_B448.4446-68.56570Autumn 20172017-11-22283S1373.262.7041.660
St.Lawrence_B448.4446-68.56570Autumn 20172017-11-22384S1376.662.4661.522
St.Lawrence_B448.4446-68.56570Autumn 20172017-11-22485S1368.521.6471.036
St.Lawrence_B448.4446-68.56570Autumn 20172017-11-22586S1376.941.6211.020
St.Lawrence_B5 48.4455-68.56630Autumn 20172017-11-22177S1393.994.0962.345
St.Lawrence_B548.4455-68.56630Autumn 20172017-11-22278S1392.911.4220.899
St.Lawrence_B548.4455-68.56630Autumn 20172017-11-22379S1391.281.3450.851
St.Lawrence_B548.4455-68.56630Autumn 20172017-11-22480S1388.791.9601.223
St.Lawrence_B548.4455-68.56630Autumn 20172017-11-22581S1358.691.9011.188
St.Lawrence_B6 48.4463-68.5667-0Autumn 20172017-11-22171S1388.141.6431.033
St.Lawrence_B648.4463-68.5667-0Autumn 20172017-11-22272S1373.291.6121.014
St.Lawrence_B648.4463-68.5667-0Autumn 20172017-11-22374S1384.181.7361.089
St.Lawrence_B648.4463-68.5667-0Autumn 20172017-11-22475S1381.541.5700.988
St.Lawrence_B648.4463-68.5667-0Autumn 20172017-11-22576S1380.041.1050.703
St.Lawrence_B7 48.4479-68.5675-1Autumn 20172017-11-22156S1362.041.0580.674
St.Lawrence_B748.4479-68.5675-1Autumn 20172017-11-22257S1385.351.0680.680
St.Lawrence_B748.4479-68.5675-1Autumn 20172017-11-22358S1372.580.9250.591
St.Lawrence_B748.4479-68.5675-1Autumn 20172017-11-22459S1391.260.7560.485
St.Lawrence_B748.4479-68.5675-1Autumn 20172017-11-22560S1380.831.4720.929
St.Lawrence_B8 48.4492-68.5683-1Autumn 20172017-11-22161S1384.401.7371.090
St.Lawrence_B848.4492-68.5683-1Autumn 20172017-11-22262S1390.781.6301.025
St.Lawrence_B848.4492-68.5683-1Autumn 20172017-11-22363S1379.831.1740.746
St.Lawrence_B848.4492-68.5683-1Autumn 20172017-11-22464S1386.921.3950.882
St.Lawrence_B848.4492-68.5683-1Autumn 20172017-11-22565S1388.381.8841.178
St.Lawrence_B9 48.4507-68.5692-1Autumn 20172017-11-22166S1375.382.6281.616
St.Lawrence_B948.4507-68.5692-1Autumn 20172017-11-22267S1385.611.2760.809
St.Lawrence_B948.4507-68.5692-1Autumn 20172017-11-22368S1391.902.6901.651
St.Lawrence_B948.4507-68.5692-1Autumn 20172017-11-22469S1388.102.0091.253
St.Lawrence_B948.4507-68.5692-1Autumn 20172017-11-22570S1389.391.6031.008
St.Lawrence_B348.4438-68.56530Winter 20182018-02-16120S1372.990.4740.306
St.Lawrence_B348.4438-68.56530Winter 20182018-02-16221S1383.630.7610.488
St.Lawrence_B348.4438-68.56530Winter 20182018-02-16322S1387.551.3760.870
St.Lawrence_B348.4438-68.56530Winter 20182018-02-16423S1385.541.3390.848
St.Lawrence_B348.4438-68.56530Winter 20182018-02-16524S1388.944.5092.654
St.Lawrence_B448.4446-68.56570Winter 20182018-02-16117S1358.232.7531.688
St.Lawrence_B448.4446-68.56570Winter 20182018-02-16218S1365.092.6751.643
St.Lawrence_B448.4446-68.56570Winter 20182018-02-16319S1371.220.5530.356
St.Lawrence_B5a Winter 20182018-02-16111S1340.582.6241.613
St.Lawrence_B5aWinter 20182018-02-16212S1346.920.8410.538
St.Lawrence_B5aWinter 20182018-02-16313S1374.770.3880.250
St.Lawrence_B5aWinter 20182018-02-16416S1333.610.8510.545
St.Lawrence_B5b Winter 20182018-02-2012S1369.461.5170.957
St.Lawrence_B5bWinter 20182018-02-2023S1369.181.1420.726
St.Lawrence_B5bWinter 20182018-02-2034S1310.170.6500.418
St.Lawrence_B5bWinter 20182018-02-2045S1370.090.9550.610
St.Lawrence_B5bWinter 20182018-02-2056S1326.081.6701.049
St.Lawrence_B5bWinter 20182018-02-2067S1363.020.4240.274
St.Lawrence_B648.4463-68.5667-0Winter 20182018-02-1617S1352.630.6880.442
St.Lawrence_B648.4463-68.5667-0Winter 20182018-02-1628S1363.940.3490.226
St.Lawrence_B648.4463-68.5667-0Winter 20182018-02-1639S1348.800.6100.392
St.Lawrence_B748.4479-68.5675-1Winter 20182018-02-2018S1356.520.7940.509
St.Lawrence_B748.4479-68.5675-1Winter 20182018-02-2029S1344.920.2850.185
St.Lawrence_B748.4479-68.5675-1Winter 20182018-02-20310S1336.671.0530.671
St.Lawrence_B748.4479-68.5675-1Winter 20182018-02-20411S1373.440.8610.551
St.Lawrence_B748.4479-68.5675-1Winter 20182018-02-20512S1375.090.9280.593
St.Lawrence_B848.4492-68.5683-1Winter 20182018-02-1612S1318.790.3650.236
St.Lawrence_B848.4492-68.5683-1Winter 20182018-02-1623S1347.210.1850.120
St.Lawrence_B848.4492-68.5683-1Winter 20182018-02-1634S1381.540.6720.431
St.Lawrence_B848.4492-68.5683-1Winter 20182018-02-1645S1387.860.6470.416
St.Lawrence_B848.4492-68.5683-1Winter 20182018-02-1656S1387.700.9860.629
St.Lawrence_B948.4507-68.5692-1Winter 20182018-02-20113S1366.960.8570.548
St.Lawrence_B948.4507-68.5692-1Winter 20182018-02-20214S1352.011.2020.764
St.Lawrence_B948.4507-68.5692-1Winter 20182018-02-20315S1335.761.1040.702
St.Lawrence_B948.4507-68.5692-1Winter 20182018-02-20416S1336.210.1900.123
St.Lawrence_B948.4507-68.5692-1Winter 20182018-02-20517S1359.050.7440.477
St.Lawrence_B148.4423-68.56452Spring 20182018-05-30153S1684.0055.55011.509
St.Lawrence_B148.4423-68.56452Spring 20182018-05-30254S1674.0020.4408.100
St.Lawrence_B148.4423-68.56452Spring 20182018-05-30355S1672.0019.6707.950
St.Lawrence_B148.4423-68.56452Spring 20182018-05-30456S1685.0019.3907.890
St.Lawrence_B148.4423-68.56452Spring 20182018-05-30557S1684.0027.8108.980
St.Lawrence_B248.4430-68.56492Spring 20182018-05-30147S1387.005.8643.172
St.Lawrence_B248.4430-68.56492Spring 20182018-05-30248S1687.0017.0907.390
St.Lawrence_B248.4430-68.56492Spring 20182018-05-30349S1686.0017.2107.420
St.Lawrence_B248.4430-68.56492Spring 20182018-05-30450S1687.007.9704.320
St.Lawrence_B248.4430-68.56492Spring 20182018-05-30551S1686.0027.4508.950
St.Lawrence_B248.4430-68.56492Spring 20182018-05-30652S1685.0012.1305.950
St.Lawrence_B348.4438-68.56530Spring 20182018-05-30143S1382.001.3900.880
St.Lawrence_B348.4438-68.56530Spring 20182018-05-30244S1384.001.7201.080
St.Lawrence_B348.4438-68.56530Spring 20182018-05-30345S1385.003.4702.090
St.Lawrence_B348.4438-68.56530Spring 20182018-05-30446S1384.001.3800.870
St.Lawrence_B448.4446-68.56570Spring 20182018-05-30138S1374.001.1800.750
St.Lawrence_B448.4446-68.56570Spring 20182018-05-30239S1372.001.5100.950
St.Lawrence_B448.4446-68.56570Spring 20182018-05-30340S1379.001.3300.840
St.Lawrence_B448.4446-68.56570Spring 20182018-05-30441S1381.001.3800.870
St.Lawrence_B448.4446-68.56570Spring 20182018-05-30542S1380.001.0600.670
St.Lawrence_B548.4455-68.56630Spring 20182018-05-30132S1383.002.4201.490
St.Lawrence_B548.4455-68.56630Spring 20182018-05-30233S1384.003.1501.910
St.Lawrence_B548.4455-68.56630Spring 20182018-05-30334S1383.001.7501.100
St.Lawrence_B548.4455-68.56630Spring 20182018-05-30435S1381.002.6001.600
St.Lawrence_B548.4455-68.56630Spring 20182018-05-30537S1381.001.6401.030
St.Lawrence_B648.4463-68.5667-0Spring 20182018-05-3016S1368.001.2200.770
St.Lawrence_B648.4463-68.5667-0Spring 20182018-05-3027S1380.001.0600.670
St.Lawrence_B648.4463-68.5667-0Spring 20182018-05-3038S1383.001.1200.710
St.Lawrence_B648.4463-68.5667-0Spring 20182018-05-3049S1372.000.6110.390
St.Lawrence_B648.4463-68.5667-0Spring 20182018-05-30510S1377.001.3700.870
St.Lawrence_B748.4479-68.5675-1Spring 20182018-05-30111S1384.001.0500.660
St.Lawrence_B748.4479-68.5675-1Spring 20182018-05-30212S1382.001.1000.700
St.Lawrence_B748.4479-68.5675-1Spring 20182018-05-30313S1372.000.5300.340
St.Lawrence_B748.4479-68.5675-1Spring 20182018-05-30414S1374.000.7700.490
St.Lawrence_B748.4479-68.5675-1Spring 20182018-05-30515S1383.001.2300.780
St.Lawrence_B848.4492-68.5683-1Spring 20182018-05-30116S1381.001.3700.860
St.Lawrence_B848.4492-68.5683-1Spring 20182018-05-30217S1385.001.0200.650
St.Lawrence_B848.4492-68.5683-1Spring 20182018-05-30318S1382.001.2100.760
St.Lawrence_B848.4492-68.5683-1Spring 20182018-05-30419S1381.001.0900.690
St.Lawrence_B848.4492-68.5683-1Spring 20182018-05-30520S1387.001.1100.700
St.Lawrence_B948.4507-68.5692-1Spring 20182018-05-30126S1384.002.0201.260
St.Lawrence_B948.4507-68.5692-1Spring 20182018-05-30227S1383.002.0201.260
St.Lawrence_B948.4507-68.5692-1Spring 20182018-05-30328S1384.002.4301.500
St.Lawrence_B948.4507-68.5692-1Spring 20182018-05-30430S1381.001.0900.690
St.Lawrence_B948.4507-68.5692-1Spring 20182018-05-30531S1377.001.3100.830
St.Lawrence_B10 48.4522-68.5699-1Spring 20182018-05-30121S1377.001.6601.040
St.Lawrence_B1048.4522-68.5699-1Spring 20182018-05-30222S1382.001.8801.170
St.Lawrence_B1048.4522-68.5699-1Spring 20182018-05-30323S1383.001.4000.880
St.Lawrence_B1048.4522-68.5699-1Spring 20182018-05-30424S1384.001.0900.690
St.Lawrence_B1048.4522-68.5699-1Spring 20182018-05-30525S1381.001.3800.870