Batch collection of environmental data modeling workflow for gridded land surface models (LSMs) through DEM acquisition and HMS Restful API tailored for VELMA initialization. This dataset is associated with the following publication: Venable, K., J. Johnston, and S. Leduc. Streamlining land surface model Initialization: Automated data retrieval for VELMA using HMS REST API and GDAL. ENVIRONMENTAL MODELLING & SOFTWARE. Elsevier Science, New York, NY, 191: 106492, (2025).