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| Created: | Nov 19, 2019 at 6:06 a.m. | |
| Last updated: | Nov 16, 2021 at 6:34 p.m. | |
| Citation: | See how to cite this resource | |
| Content types: | Single File Content |
| Sharing Status: | Public |
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Abstract
Terrestrial Laser Scan (TLS) datasets were collected for various projects pursued by the University of Arizona Critical Zone Observatory located in the Jemez River Basin within the Valles Caldera National Preserve. Three locations were TLS surveyed a total of four times over the course of two years. The locations are the Debris1 alluvial fan, Debris2 alluvial fan, and the BurnZOB small upland basin. The four surveys were completed after the Las Conchas fire in the summer of 2011. The approximate dates for each scan were 8/19/11, 6/4/12, 9/22/12, and 5/14/13.
All TLS data was collected using a Leica C10 scanner set up in the field by Jon Pelletier and Caitlin Orem. All scans were scanned for both points (on the medium scan setting) and photographs (meaning pictures were taken to then extrapolate RGB data from for each point). GPS data was collected in the field with a Leica Real-Time Kinematic Global Positioning System (RTK-GPS) unit. At each scan station at least three permanently located targets were scanned so all scans at a study site could be registered to one point cloud. At least three targets at each study site were surveyed with Real-Time Kinematic Global Positioning System (RTK-GPS) receivers until a temporary accuracy reading of less than 0.01 m was reached in each of the four cardinal directions.
All scans for each individual survey were uploaded to Leica Cyclone so scans could be registered together into one point cloud. GPS data for the base station was processed in Leica Geo Office and imported into Cyclone to georeference the point cloud. Data was then exported from Cyclone in .pts format (columns of x, y, z, intensity, r, g, b). Cloud Compare software was used to take the .pts file to .las.
Horizontal coordinate system is UTM 13N WGS84 METERS.
Vertical coordinate system is NAVD88.
Subject Keywords
Coverage
Spatial
Temporal
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Content
Additional Metadata
| Name | Value |
|---|---|
| czos | Catalina-Jemez |
| czo_id | 4182 |
| citation | The following acknowledgment should accompany any publication or citation of these data - Logistical support and/or data were provided by the NSF-supported Jemez River Basin and Santa Catalina Mountains Critical Zone Observatory EAR-0724958. |
| comments | All collections start early (~7 am) the first day and end mid-afternoon on second day. All collections were done moving from the base of the catchment (near the road) up to the top and then moving along the western slope of the catchment near the road. All surveys were completed in the field and processed by Caitlin Orem. |
| keywords | Terrestrial laser scan, post-wildfire, Las Conchas fire, Valles Caldera, Jemez Mountains, New Mexico |
| subtitle | Terrestrial Laser Scans for Debris 1, Debris 2 and Burn ZOB locations |
| variables | Point Cloud |
| disciplines | GIS / Remote Sensing, Geomorphology |
Related Resources
| This resource is referenced by | Orem C.A. and Pelletier J.D. (2015). Quantifying the time scale of elevated geomorphic response following wildfires using multi-temporal LiDAR data: An example from the Las Conchas fire, Jemez Mountains, New Mexico. Geomorphology 232: 224–238 http://dx.doi.org/10.1016/j.geomorph.2015.01.006 |
| This resource is referenced by | Pelletier J.D. and Orem C.A. (2014). How do sediment yields from post-wildfire debris-laden flows depend on terrain slope, soil burn severity class, and drainage basin area? Insights from airborne-lidar change detection. Earth Surface Processes and Landforms 39(13): 1822–1832 http://dx.doi.org/10.1002/esp.3570 |
Credits
Funding Agencies
This resource was created using funding from the following sources:
| Agency Name | Award Title | Award Number |
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| National Science Foundation | EAR-0724958 |
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.
http://creativecommons.org/licenses/by/4.0/
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