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Title | Creator | Institution | Body | Date Last Updated | Resource Type | Coverage | Related Resources | Contributors | Keywords | Rights management | Data & Papers | Related Wikis |
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Experimental alluvial-river and landsliding response to base-level fall | Beaulieu, Olivia P., Wickert, Andrew D., Witte, Elizabeth D., Tofelde, Stefanie | University of Minnesota, Saint Anthony Falls Laboratory |
We observed the incisional response of an alluvial river to base-level fall. We conducted the experiment in a 3.9 × 2.4 × 0.4 m box that we filled with uniform 0.140±0.04 mm sand. We dropped base level by lowering the elevation of an "ocean" pool at the river outlet. As the initial condition, we cut a 10±2 cm wide channel to a steadily increasing depth, from 3±0.5 cm at the inlet, where we supplied water and sediment, to 10±1 cm at the outlet. Input water and sediment discharge were 0.1 L/s and 0.0022 L/s (including pore space), respectively. As base level fell, the river incised and migrated laterally, forming a valley with abandoned terrace surfaces and walls that failed in mass-wasting events as they were undercut. We include a control case with no base-level fall, as well as experiments with 25 mm/hr, 50 mm/hr, 200 mm/hr, 300 mm/hr, and 400 mm/hr of base-level fall. We supply georeferenced overhead photos (0.89 mm resolution, every 20 seconds), digital elevation models (DEMs, 1 mm horizontal resolution, every 15–30 minutes), videos generated from the overhead photos, mapped landslides in GIS vector area (polygon) format, and landslide attributes. Relevant code to process and plot the data, as well as further information on grain size, is available from GitHub and Zenodo.
The data set contains the following items. All files with time-dependent data contain 7-digit time stamps that provide the number of seconds since the start of each experiment.
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Friday, April 24, 2020 | dataset |
Dates Collected: Monday, September 19, 2016 to Wednesday, March 15, 2017 |
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fluvial terraces, landsliding, base level, channel incision | CC-BY-SA 3.0 |
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St. Anthony Falls Laboratory at The University of Minnesota |
Floc growth rate and size as a function of sediment concentration | Kyle Strom | Virginia Tech |
All data in this repository is associated with the following paper: Data from the paper: Tran, D. and Strom, K. (2017). Suspended clays and silts: Are they independent or dependent fractions when it comes to settling in a turbulent suspension? Continental Shelf Research, 138, 81-94, doi: 10.1016/j.csr.2017.02.011. |
Tuesday, May 22, 2018 | dataset |
Location: Geolocation is 37.2301063, -80.42421339999999 Dates Collected: Tuesday, May 22, 2018 |
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Flocculation, Mud | CC-BY |
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Virginia Tech |
TDB_15_1, Tulane Delta Basin | Yu, Liz, Straub, Kyle M. | Tulane University |
TDB-15-1: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.17 l/s), sediment (0.00017 l/s), and long term sea-level rise rate (0.25 mm/hr). Experiment run time was 1170 hr. Experiment used a strongly cohesive sediment that had a wide grain size distribution with a median diameter of 65 microns. Superimposed on the long term sea-level rise were sea-level cycles. The experiment was split into 2 stages. The first stage had sea-level cycles with periods of 98 hrs and amplitudes of 3.06 mm. The second stage had sea-level cycles with periods of 24.5 hrs and amplitudes of 12.25 mm. Experiment performed to explore interaction of autogenic sediment transport with sea-level cycles and resulting stratigraphy with topography monitored every 1 hour of run time. Yu, L., and Straub, K.M., 2017, TDB_15_1, SEAD, http://doi.org/10.5967/M00V89W1. |
Friday, August 18, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Friday, August 18, 2017 |
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experiment, delta, flume | CC0 |
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Tulane University |
TDB_14_2, Tulane Delta Basin | Li, Qi, Straub, Kyle M. | Tulane University |
TDB-14-2: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.17 l/s), sediment (0.00017 l/s), and long term sea-level rise rate (0.25 mm/hr). Experiment run time was 1170 hr. Experiment used a strongly cohesive sediment that had a wide grain size distribution with a median diameter of 65 microns. Superimposed on the long term sea-level rise were sea-level cycles. The experiment was split into 2 stages. The first stage had sea-level cycles with periods of 24.5 hrs and amplitudes of 6.125 mm. The second stage had sea-level cycles with periods of 24.5 hrs and amplitudes of 3.06 mm. Experiment performed to explore interaction of autogenic sediment transport with sea-level cycles and resulting stratigraphy with topography monitored every 1 hour of run time. Li., Q., and Straub, K.M., 2017, TDB_14_2, SEAD, http://doi.org/10.5967/M0RF5S4H. |
Friday, August 18, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Friday, August 18, 2017 |
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experiment, delta, flume | CC0 |
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Tulane University |
TDB_14_1, Tulane Delta Basin | Li, Qi, Straub, Kyle M. | Tulane University |
TDB-14-1: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.17 l/s), sediment (0.00017 l/s), and long term sea-level rise rate (0.25 mm/hr). Experiment run time was 630 hr. Experiment used a strongly cohesive sediment that had a wide grain size distribution with a median diameter of 65 microns. Superimposed on the long term sea-level rise were sea-level cycles with periods of 98 hrs and amplitudes of 24.5 mm. Experiment performed to explore interaction of autogenic sediment transport with sea-level cycles and resulting stratigraphy with topography monitored every 1 hour of run time. Li., Q., and Straub, K.M., 2017, TDB_14_1, SEAD, http://doi.org/10.5967/M0MP51D5. |
Friday, August 18, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Friday, August 18, 2017 |
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experiment, delta, flume | CC0 |
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Tulane University |
TDB_13_1, Tulane Delta Basin | Li, Qi, Straub, Kyle M. | Tulane University |
TDB-13-1: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.17 l/s), sediment (0.00017 l/s), and sea-level rise rate (0.25 mm/hr). Experiment run time was 1000 hr. Experiment was divided into 2 stages. The first stage used a weakly cohesive sediment while the second stage used a moderately cohesive sediment. Both sediment mixtures had wide grain size distributions with a median diameter of 65 microns. Experiment performed to explore autogenic sediment transport and stratigraphy with topography monitored every 1 hour of run time. Li, Q., and Straub, K.M., 2017, TDB_13_1, SEAD, http://doi.org/10.5967/M07D2S7Q. |
Friday, August 18, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Friday, August 18, 2017 |
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experiment, delta, flume | CC0 |
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Tulane University |
TDB_12_1, Tulane Delta Basin | Li, Qi, Straub, Kyle M. | Tulane University |
TDB-12-1: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.17 l/s), sediment (0.00017 l/s), and sea-level rise rate 0.25 (mm/hr). Experiment run time was 1285 hr. Experiment used a strongly cohesive sediment that had a wide grain size distribution with a median diameter of 65 microns. Experiment performed to explore autogenic sediment transport and stratigraphy with topography monitored every 1 hour of run time. Li, Q., and Straub, K.M., 2017, TDB_12_1, SEAD, http://doi.org/10.5967/M03N21GX. |
Friday, August 18, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Friday, August 18, 2017 |
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experiment, delta, flume | CC0 |
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Tulane University |
TDB-11-1, Tulane Delta Basin | Wang, Yinan, Straub, Kyle M. | Tulane University |
TDB-11-1: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.902 l/s), sediment (0.011 l/s), and sea-level rise rate 5 mm/hr). Experiment run time was 77.2 hr. Experiment used non-cohesive sediment that was 70% by volume well sorted quartz sand with a median diameter of 110 microns and 30% by volume crushed coal with a median diameter of 400 microns. Experiment performed to explore autogenic sediment transport and stratigraphy with topography monitored every 2 minutes of run time. Wang, Y., and Straub, K.M., 2017, TDB-11-1, SEAD, http://doi.org/10.5967/M0D50K3T. |
Monday, August 7, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Wednesday, July 6, 2011 to Sunday, January 15, 2012 |
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experiment, delta, Conveyor belt flume | CC0 |
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Tulane University |
TDB-10-2, Tulane Delta Basin | Wang, Yinan, Straub, Kyle M. | Tulane University |
TDB-10-2: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.902 l/s), sediment (0.022 l/s), and sea-level rise rate 10 mm/hr). Experiment run time was 39.3 hr. Experiment used non-cohesive sediment that was 70% by volume well sorted quartz sand with a median diameter of 110 microns and 30% by volume crushed coal with a median diameter of 400 microns. Experiment performed to explore autogenic sediment transport and stratigraphy with topography monitored every 2 minutes of run time. Wang, Y., and Straub, K.M., 2017, TDB-10-2, SEAD, http://doi.org/10.5967/M0W37TFH. |
Monday, August 7, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Monday, December 20, 2010 to Friday, March 18, 2011 |
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experiment, delta, flume | CC0 |
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Tulane University |
TDB-10-1, Tulane Delta Basin | Wang, Yinan, Straub, Kyle M. | Tulane University |
TDB-10-1: Fan-delta experiment performed in Tulane University Delta Basin. Experiment evolved under constant forcings of water (0.451 l/s), sediment (0.011 l/s), and sea-level rise rate 5 mm/hr). Experiment run time was 78.2 hr. Experiment used non-cohesive sediment that was 70% by volume well sorted quartz sand with a median diameter of 110 microns and 30% by volume crushed coal with a median diameter of 400 microns. Experiment performed to explore autogenic sediment transport and stratigraphy with topography monitored every 2 minutes of run time. Wang, Y., and Straub, K.M, 2017, TDB-10-1, SEAD, http://doi.org/10.5967/M0HX19TT. |
Monday, August 7, 2017 | dataset |
Location: Geolocation is 29.9403477, -90.12072790000002 Dates Collected: Tuesday, August 5, 2008 to Monday, September 22, 2008 |
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experiment, delta, flume | CC0 |
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Tulane University |