Topographically-defined Floodplains: Relative inundation for conservation and restoration planning in the Lake Champlain Basin, Vermont

25 May 2022
The Topographically-defined Floodplains were generated from high-resolution topographic data along rivers draining greater than 2 square miles in the Vermont portion of the Lake Champlain Basin. These floodplains are intended for planning and research use by government, academic, commercial and non-governmental agencies; they are not a substitute for FEMA Flood Insurance Rate Maps and are not intended for regulatory use. A greater geospatial coverage of floodplains in the basin will support analyses of floodplain and wetland processes and restoration and conservation planning for improved water quality, enhanced flood and climate resilience, and expanded habitat and ecosystem functions. Lateral extents of flooding for storms of recurrence intervals ranging from 2 to 500 years are represented in the dataset.

VT Building Footprints Geospatial Data Standard

11 February 2021
This standard applies to Vermont’s master building footprints geospatial dataset as managed by the defined Data Steward. Objectives • Define a data standard that supports use of data which models building footprints in multiple contexts; contexts include emergency management, planning, and analysis. NOTE: This standard and the associated statewide building footprints dataset is NOT intended for uses such as property assessment and site engineering. • Define a data standard that supports a workflow which merges best-available building-footprint data from multiple sources into a single dataset stewarded by VT Enhanced 911 Board; sources include local governments, RPCs (regional planning commissions), lidar, aerial imagery, and the public domain. • Define a data standard that supports availability of high-quality building footprint data–in terms of shape integrity and attribute integrity.


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