J. William Lund Se Jong Cho Grady Ball Scott Hamshaw 20251119 publication St. Paul, MN U.S. Geological Survey https://doi.org/10.5066/P1492CKA This Data Release contains four child items that represent sequential data processing and modeling steps. <Child item 1> Data Preparation contains data inputs and processing steps for select sites in the Delaware and Illinois River Basins (DRB/IRB). This child item includes five sub folders: site info, streamflow and turbidity time-series, climatological information, basin shape statistics, and basin characteristics and attributes. <Child Item 2> Streamflow Event Delineation and Analysis contains scripts that process data from Child Item 1 to delineate hydrological events, calculates hysteresis indices among other variables, generate hysteresis loops, hydrographs, and climographs, and produce event summary files classifying events into 5, 7, or 9 Hysteresis Index - Concentration Index (HI-CI) classes. <Child item 3> Statistical Analysis contains Principal Component Analysis (PCA) and Linear Discriminant Analysis (LDA) scripts to analyze regional and event variables related to hysteresis. <Child item 4> Machine Learning Application contains machine learning scripts using XGBoost classification models to train and test prediction of 5, 7, or 9 HI-CI classes. This research aims to improve understanding of the complex sediment transport process and can lead to more informed inferences about sediment dynamics, hydrology, source, and in channel processes as well as improved predictions of sediment transport. Delaware River Basin (DRB) and Illinois River Basin (IRB) are two Integrated Water Science (IWS) basins with a wide range of environmental, hydrologic, and landscape settings and human stressors of water resources. USGS stream gaging at 35 watersheds within these two regional basins were selected to evaluate the storm events and the corresponding sediment and hydrodynamic observations. Citations included in each child item 20070101 20231231 ground condition Complete None planned -92.3730 -71.5430 44.6530 36.3151 ISO 19115 Topic Category inlandWaters climatologyMeteorologyAtmosphere geoscientificInformation environment None Machine Learning Daymet Principal Component Analysis Linear Discriminant Analysis USGS Thesaurus sediment transport turbidity datasets streamflow USGS Metadata Identifier USGS:68276185d4be02693eeaad8f Common geographic areas Illinois Indiana New York New Jersey Pennsylvania Delaware No access constraints. Please see 'Distribution Information' for details. These data are marked with a Creative Common CC0 1.0 Universal License. These data are in the public domain and do not have any use constraints. Users are advised to read the dataset's metadata thoroughly to understand appropriate use and data limitations. John (William) Lund USGS - MIDCONTINENT REGION Hydrologist mailing and physical

Upper Midwest Water Science Center - University of Minnesota

St. Paul MN 55108 763-272-8690 jlund@usgs.gov Verified that attribute values were within expected bounds. Verified that data values were consistent with the value ranges of the source data. Data set is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details. A formal accuracy assessment of the horizontal positional information in the data set has not been conducted. A formal accuracy assessment of the vertical positional information in the data set has either not been conducted, or is not applicable. Processing described for each dataset in the Entity and Attribute section for each child item. 2025 U.S. Geological Survey - ScienceBase mailing address

Mail Stop 302

Denver CO 80225 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/P1492CKA None 20251119 John (William) Lund USGS - MIDCONTINENT REGION Hydrologist mailing and physical

Upper Midwest Water Science Center - University of Minnesota

St. Paul MN 55108 763-272-8690 jlund@usgs.gov FGDC Content Standard for Digital Geospatial Metadata FGDC-STD-001-1998