Bathymetry, Hydrodynamics, and Sediment Partitioning at the Qinnguata Kuussua Fjord Delta Front (Southwest Greenland)

This dataset contains all observational, remote sensing, and modeling products used to evaluate sediment transport processes and delta-front morphology at the Qinnguata Kuussua fjord delta in Southwest Greenland. The data support the analyses presented in the manuscript “Greenland's Deltas Build Land but Shed Sand” (in review) and span satellite shoreline mapping, hydroacoustic surveys, water column measurements, sediment texture analyses, and sediment budget modeling. The dataset includes: Shoreline Analysis List of Landsat imagery used to extract shoreline positions Matlab code for shoreline extraction and shoreline change visualization File: Kangerlussuaq_shoreline_extract-master Multibeam Echosounder (MBES) Data Raw bathymetry and metadata for surveys acquired at the subaqueous channel and delta front (file: MBES_raw) Bathymetric dynamic surface (file: MBES_Dynamic_Surface) Acoustic Doppler Current Profiler (ADCP) Data Processed velocity profiles (file: Greenland-ADCP-Processing-main) Analysis scripts https://github.com/NCSU-CHAZ/Greenland-Data-Processing Geometric Sediment Mass Balance Model Model inputs and Python code used to estimate sediment partitioning between topset storage and deep-water bypass (file: Kangerlussuaq_Mass_Balance_Model) River Discharge and Tide Data Qinnguata Kuussua (Watson River) discharge time series and fjord tide predictions (file: Kangerlussuaq_Discharge_Tides) Code used for visualization Conductivity-Temperature-Depth (CTD) Profiles Water-column structure and turbidity measurements collected over the delta front (file: Kangerlussuaq_CTD) Grain Size Data Laser diffraction grain size distributions from subaqueous channel sediment samples Scripts used to visualize grain-size distribution Bedform-Derived Velocity Estimates Code used to calculate near-bed flow speeds from MBES bedform geometries (file: Bedform-derived velocity) Bathymetry Transects Single-beam and multibeam transects over the delta front (MBES_SBES_Transects) Scripts for visualization ArcticDEM-Based Topography ArcticDEM elevation products for the delta (file: Kangerlussuaq_ArcticDEM) Processing and visualization scripts