LCZO -- Sediment Transport -- Mameyes Watershed -- (2010-2012)
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Abstract

Radio Frequency Identification tagged cobble survey data from the Rio Mameyes .
Tagged tracers with positions overtime. Additional documentation is presented within the dataset file.

Sediment transport is an intrinsically stochastic process, and measurement of bed load in the environment is further complicated by the unsteady nature of river flooding. Here we present a methodology for analyzing sediment tracer data with unsteady forcing. We define a dimensionless impulse by integrating the cumulative excess shear velocity for the duration of measurement, normalized by grain size. We analyze the dispersion of a plume of cobble tracers in a very flashy stream over two years. The mean and variance of transport distance collapse onto well-defined linear and power-law relations, respectively, when plotted against cumulative dimensionless impulse. Data suggest that the asymptotic limit of bed load tracer dispersion is super diffusive, in line with a broad class of geophysical flows exhibiting strong directional asymmetry (advection), thin-tailed step lengths and heavy-tailed waiting times. The impulse framework justifies the use of quasi-steady flow approximations for long-term river evolution modeling.

Subject Keywords

Deleting all keywords will set the resource sharing status to private.

Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Rio Mameyes, Mameyes Watershed
Longitude
-65.7639°
Latitude
18.3742°

Temporal

Start Date:
End Date:

Content

ReadMe.md

LCZO -- Sediment Transport -- Mameyes Watershed -- (2010-2012)

OVERVIEW

Description/Abstract

Radio Frequency Identification tagged cobble survey data.

Creator/Author

Phillips, C.B.

CZOs

Luquillo

Contact

Miguel Leon, Miguel.Leon@unh.edu

Subtitle

Mameyes RFID Tracer data



SUBJECTS

Disciplines

Geomorphology

Topics

Sediment Transport

Keywords

Sediment tracers|sediment transport|RFID PIT|bed load transport

Variables

Tagged tracers with positions overtime. Additional documentation is presented within the dataset file.

Variables ODM2

tagged tracer position overtime



TEMPORAL

Date Start

2010-05-28

Date End

2012-06-20



SPATIAL

Field Areas

Rio Mameyes

Location

Mameyes Watershed

North latitude

18.374167

South latitude

18.374167

West longitude

-65.763889

East longitude

-65.763889



REFERENCE

Citation

Phillips, C.B. Mameyes RFID Tracer data. 2013.

CZO ID

2633



Additional Metadata

Name Value
czos Luquillo
czo_id 2633
keywords Sediment tracers, sediment transport, RFID PIT, bed load transport
subtitle Mameyes RFID Tracer data
variables Tagged tracers with positions overtime. Additional documentation is presented within the dataset file.
disciplines Geomorphology

Related Resources

This resource is referenced by Phillips, C. B., R. L., Martin, and D. J., Jerolmack (2013) Impulse framework for unsteady flows reveals super-diffusive bed load transport, Geophysical Research Letters. DOI:10.1002/grl.50323

How to Cite

Phillips, C. (2020). LCZO -- Sediment Transport -- Mameyes Watershed -- (2010-2012), HydroShare, http://www.hydroshare.org/resource/a7ef5030f2c24df8b7a2d449901298a4

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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