{"accessLevel": "public", "bureauCode": ["010:12"], "contactPoint": {"@type": "vcard:Contact", "fn": "John (William) Lund", "hasEmail": "mailto:jlund@usgs.gov"}, "description": "This Data Release contains four child items that represent sequential data processing and modeling steps. \n<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. \n<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. \n<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. \n<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.", "distribution": [{"@type": "dcat:Distribution", "accessURL": "https://doi.org/10.5066/P1492CKA", "description": "Landing page for access to the data", "format": "XML", "mediaType": "application/http", "title": "Digital Data"}, {"@type": "dcat:Distribution", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.68276185d4be02693eeaad8f.xml", "format": "XML", "mediaType": "text/xml", "title": "Original Metadata"}], "identifier": "http://datainventory.doi.gov/id/dataset/USGS_68276185d4be02693eeaad8f", "keyword": ["Daymet", "Delaware", "Illinois", "Indiana", "Linear Discriminant Analysis", "Machine Learning", "New Jersey", "New York", "Pennsylvania", "Principal Component Analysis", "USGS:68276185d4be02693eeaad8f", "climatologyMeteorologyAtmosphere", "datasets", "environment", "geoscientificInformation", "inlandWaters", "sediment transport", "streamflow", "turbidity"], "modified": "2025-11-19T00:00:00Z", "publisher": {"@type": "org:Organization", "name": "U.S. Geological Survey"}, "spatial": "-92.3730, 36.3151, -71.5430, 44.6530", "theme": ["geospatial"], "title": "Quantification of event sediment dynamics from 2007 to 2023 for statistical analyses and Machine Learning application in the Delaware and Illinois River Basins"}