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PANGAEA.
Data Publisher for Earth & Environmental Science

Miller, Ian (2019): Beach profile data for the Elwha River Delta, 2013-10-04 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.901554, In: Miller, I (2019): Beach Profile Data for the Elwha River Delta, 2011-2018 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.901486

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Abstract:
Data were collected using GNSS survey methods, with a differential GPS operating in Real Time Kinematic (RTK) mode. Data from prior to 2013 were typically collected with a Magellan ProMark 3 traditional RKT-DGPS system (i.e. local base station and rover), with the base station sited on survey control markers installed in 1996, with survey control coordinates referenced to NAD83(CORS91). Starting in 2013 survey data were typically collected with an AshTech ProMark 200 RTK-DGPS system connected to the Washington State Reference Network. Survey data collected between January and November 2013 are referenced to NAD83(CORS96), and after November 2013 to NAD83(2011).
Vertical data for surveys in 2012 and 2013 are referenced to NAVD88, presumably using Geoid96 (the survey control documentation does not specific a geoid). For all subsequent surveys the vertical data are referenced to NAVD88(Geoid09). No conversion were applied to these data to account for variations in horizontal or vertical coordinate system adjustments through time, but an error analysis suggests a standard deviation for the elevation data of between 0.03 and 0.05 m across the entire sampling period (2011-2018).
All survey data were collected with the GNSS system mounted on a 2.05 m rover pole, held level as a transect line was traced in a cross-shore orientation on the beach.
The associated text files include the horizontal (HRMS) and vertical (VRMS) root-mean-square errors estimated by the GNSS system, as well as the RTK-DGPS status reported by the GNSS system at the time each point was collected. Times are referenced to local Pacific time (either PST or PDT).
Keyword(s):
Beach Nourishment; Elwha; Shoreline Change
Related to:
Gelfenbaum, Guy; Stevens, Andrew W; Miller, Ian; Warrick, Jonathan A; Ogston, Andrea S; Eidam, Emily (2015): Large-scale dam removal on the Elwha River, Washington, USA: Coastal geomorphic change. Geomorphology, 246, 649-668, https://doi.org/10.1016/j.geomorph.2015.01.002
Coverage:
Median Latitude: 49.555324 * Median Longitude: -125.938484 * South-bound Latitude: 49.555085 * West-bound Longitude: -125.938775 * North-bound Latitude: 49.557019 * East-bound Longitude: -125.935763
Date/Time Start: 2013-10-04T09:16:14 * Date/Time End: 2013-10-04T09:52:31
Minimum ELEVATION: 0.49 m a.s.l. * Maximum ELEVATION: 5.27 m a.s.l.
Event(s):
Elwha_River_Delta * Latitude: 49.560000 * Longitude: -125.930000 * Method/Device: GNSS Receiver (GNSS)
Comment:
Portions of these data have been published previously, including in Gelfenbaum et al. 2015.
Size:
336 data points

Data

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


Latitude

Longitude

Elevation [m a.s.l.]

Date/Time

HRMS [m]

VRMS [m]

Status

Description
49.5570190-125.93576314.222013-10-04T09:160.0240.032FIXEDTESTMON1
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49.5554060-125.93871853.722013-10-04T09:330.0120.020FIXEDPROF132
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49.5553959-125.93869444.392013-10-04T09:330.0130.021FIXEDPROF132
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49.5553283-125.93861824.602013-10-04T09:340.0150.024FIXEDPROF132
49.5553238-125.93861304.602013-10-04T09:340.0240.044FIXEDPROF132
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49.5553080-125.93859344.602013-10-04T09:340.0180.031FIXEDPROF132
49.5553053-125.93858844.762013-10-04T09:340.0160.026FIXEDPROF132
49.5553023-125.93858464.712013-10-04T09:340.0210.027FIXEDPROF132
49.5553010-125.93858414.672013-10-04T09:340.0300.038FIXEDPROF132
49.5552965-125.93858204.322013-10-04T09:340.0190.029FIXEDPROF132
49.5552946-125.93857754.182013-10-04T09:340.0150.026FIXEDPROF132
49.5552926-125.93856994.122013-10-04T09:350.0190.034FIXEDPROF132
49.5552905-125.93856273.982013-10-04T09:350.0280.051FIXEDPROF132
49.5552873-125.93855373.882013-10-04T09:350.0230.042FIXEDPROF132
49.5552818-125.93854713.812013-10-04T09:350.0230.039FIXEDPROF132
49.5552763-125.93854253.802013-10-04T09:350.0260.046FIXEDPROF132
49.5552724-125.93853663.692013-10-04T09:350.0250.045FIXEDPROF132
49.5552679-125.93852913.772013-10-04T09:350.0300.053FIXEDPROF132
49.5552618-125.93852333.732013-10-04T09:350.0260.048FIXEDPROF132
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49.5552077-125.93844722.932013-10-04T09:350.0330.060FIXEDPROF132
49.5552009-125.93843822.792013-10-04T09:350.0350.062FIXEDPROF132
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49.5551886-125.93841202.452013-10-04T09:350.0360.067FIXEDPROF132
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49.5551517-125.93838611.702013-10-04T09:350.0410.075FIXEDPROF132
49.5551457-125.93837691.622013-10-04T09:350.0440.080FIXEDPROF132
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49.5551329-125.93835761.422013-10-04T09:350.0450.082FIXEDPROF132
49.5551213-125.93834181.152013-10-04T09:370.0200.026FIXEDPROF132
49.5551200-125.93834091.132013-10-04T09:370.0330.042FIXEDPROF132
49.5551186-125.93833771.112013-10-04T09:370.0220.033FIXEDPROF132
49.5551152-125.93833221.032013-10-04T09:370.0130.019FIXEDPROF132
49.5551114-125.93832640.972013-10-04T09:370.0130.020FIXEDPROF132
49.5551081-125.93831980.932013-10-04T09:370.0180.030FIXEDPROF132
49.5551039-125.93831340.802013-10-04T09:370.0160.028FIXEDPROF132
49.5550994-125.93830730.702013-10-04T09:370.0120.020FIXEDPROF132
49.5550947-125.93830080.662013-10-04T09:370.0170.030FIXEDPROF132
49.5550930-125.93829660.642013-10-04T09:370.0150.025FIXEDPROF132
49.5550887-125.93829060.562013-10-04T09:370.0130.021FIXEDPROF132
49.5550855-125.93828760.492013-10-04T09:370.0140.023FIXEDPROF132
49.5570189-125.93576374.212013-10-04T09:520.0300.038FIXEDTESTMON1