Adam R. Mosbrucker Matthew C. Gyves Leif E. Olson 20221213 remote-sensing image https://doi.org/10.5066/P9CN4UW6 Two empirical simple linear regression models were developed from SedCam imagery and concurrent physical sediment samples over a 20-month period at the East Branch Brandywine Creek gage (USGS 01480870). The image files included here are a subset, used in the calibration dataset for these regression models. Models relate the explanatory variable, Rmax (maximum digital number of the red band, which peaks at a wavelength of 590 nanometers) to point and cross-sectional mean sample response variables (milligrams per liter). These regression models predict suspended-sediment concentration from a non-contact sediment surrogate technique to improve surface water monitoring operations. Files include Nikon Electronic Format (.NEF) raw files, Adobe Photoshop sidecar (.xmp) files, and post-processed (.tif) files for ten frames. Data were collected to further development of the SedCam method, a suspended-sediment surrogate using close-range remote sensing imagery of a river surface. Files include Nikon Electronic Format (.NEF) raw files, Photoshop sidecar (.xmp) files, and post-processed (.tif) files for ten frames. Imagery was acquired with a Nikon D850 digital single-lens reflex camera. Sidecar files store changes made to the out-of-camera raw files. Descriptive statistics from 3-band post-processed files are used in suspended-sediment surrogate regression models. 20200604 20210923 ground condition Complete None planned Brandywine Creek -75.8300 -75.5200 39.9900 39.7300 ISO 19115 Topic Category inlandWaters None DEM digital elevation model topography elevation data photogrammetry volcanic landforms volcano geomorphology sediment hydrology USGS Metadata Identifier USGS:636c3ee1d34ed907bf6abbb6 None Delaware River East Branch Brandywine Creek PA USA None. Please see 'Distribution Info' for details. This data release has been approved for release and publication by the U.S. Geological Survey (USGS). Although these data have been subjected to rigorous review and are substantially complete, the USGS reserves the right to revise these data pursuant to further analysis and review. The USGS provides these geographic data "as is." The USGS makes no guarantee or warranty concerning the accuracy of information contained in these geographic data. The USGS further makes no warranties, either expressed or implied, as to any other matter whatsoever, including, without limitation, the condition of the product or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers at the USGS, no warranty, expressed or implied, is made by the USGS regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty. In no event shall the USGS nor the U.S. Government have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on these geographic data or arising out of delivery, installation, operation, or support by USGS. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. The USGS strongly recommends that careful attention be paid to the metadata file associated with these data. Any derivative products utilizing these data shall clearly indicate their source. If users modify these data in any way, they are obligated to describe the types of modifications they have performed. User specifically agrees not to misrepresent these data, nor to imply that changes they made were approved by the USGS. Users should be aware that temporal changes may have occurred since this dataset was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of its limitations. Users should be aware that temporal changes may have occurred since this dataset was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of its limitations. Acknowledgement of the U.S. Geological Survey would be appreciated in products derived from these data. If any errors are detected, please notify Adam Mosbrucker (amosbrucker@usgs.gov). Adam Mosbrucker U.S. Geological Survey, ALASKA REGION Geologist mailing address

1300 SE Cardinal Court Bldg. 10

Vancouver WA 98683 US 360-993-8975 360-993-8980 amosbrucker@usgs.gov Imagery and metadata files were produced by Adam R. Mosbrucker using USGS data. Microsoft Windows 10 (Build 19044.2130); Adobe Photoshop (22.5.3) with Camera Raw plug-in (14.0.1.952) No formal attribute accuracy tests were conducted. This dataset includes out-of-camera raw image files, processing steps, and exported post-processed image files. This dataset is representative of the conditions only at time and place of image acquisition. No formal positional accuracy tests were conducted. No formal positional accuracy tests were conducted. USGS used Adobe Photoshop Camera Raw to manually set white balance of the .NEF file using the calibration card within the frame. The card was then cropped out of the image before a 32-bit .tif file was exported. 2022 Adam Mosbrucker U.S. Geological Survey, ALASKA REGION Geologist mailing address

1300 SE Cardinal Court Bldg. 10

Vancouver WA 98683 US 360-993-8975 360-993-8980 amosbrucker@usgs.gov U.S. Geological Survey GS ScienceBase mailing address

Denver Federal Center, Building 810, Mail Stop 302

Denver CO 80225 United States 1-888-275-8747 sciencebase@usgs.gov Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty. Digital Data https://doi.org/10.5066/P9CN4UW6 None 20221213 Adam Mosbrucker U.S. Geological Survey, ALASKA REGION Geologist mailing address

1300 SE Cardinal Court Bldg. 10

Vancouver WA 98683 US 360-993-8975 360-993-8980 amosbrucker@usgs.gov FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata FGDC-STD-001.1-1999