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Projected
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Linear Unit: Meter (1.000000)
WGS_1984_UTM_Zone_10N
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continuous
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Esri ArcGIS 12.8.0.29751
ParadiseCut_20211117_dom.crf
1
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37.807831
37.759519
Purpose:
Primary purpose is to quantify floating and submerged aquatic vegetation in the channel.
Survey Date and Time:
Data was collected on 11/17/2021 1030-1245 PST
Imagery Acquisition:
The imagery was collected using a DJI Mavic 2 Pro UAS, operating at 250’ above ground level, along one single flight line following the center line of Paradise Cut from the weir on the San Joaquin River road to River’s End. The field collection was controlled by a DJI Smart Controller running the DJI Pilot app.
Software Processing:
Images were imported into ArcGIS Pro 2.8.2 using the Ortho Mapping workspace tool, block adjusted, and an Orthomosaic was generated. No external control points were used for this project.
Adjustment summary from ArcGIS Pro:
Number of Adjusted Images 2710
Number of Tie Points 18730416
Number of Solution Points 6632049
Mean Reprojection Error / Sigma Naught (pixel) 0.27 / 0.40
Ground Resolution (m/pixel) 0.018
Adjustment Type Frame
Ground Control Points Involved in Adjustment No
This is an official DWR Image Service, which meets all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.2, dated September 10, 2021. DWR makes no warranties or guarantees — either expressed or implied — as to the completeness, accuracy, or correctness of the data. DWR neither accepts nor assumes liability arising from or for any incorrect, incomplete, or misleading subject data. This Image Service was published on 8/19/2021, by Arina Ushakova of the DWR Division of Engineering, who may be contacted at 916-902-9588, or at arina.ushakova@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official DWR point of contact as available and appropriate.
Paradise Cut
Delta
California
orthomosaic
UAV
Primary purpose is to quantify floating and submerged aquatic vegetation in the channel. Data was collected on 11/17/2021 1030-1245 PST.
Michael Baldwin, P.E., California Department of Water Resources, NCRO
public domain
Raster Dataset
dataset
EPSG
9.8.8(3.0.1)
2
1
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Band_1
255.000000
0.000000
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Band_2
255.000000
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Band_3
255.000000
0.000000
8
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