Why Environmental Consultants Use LiDAR

Traditional field surveys provide ground-truth data but are limited in coverage and repeatability. LiDAR complements fieldwork by providing:

terrain

Complete Site Coverage

Including inaccessible areas: wetlands, steep slopes, dense vegetation

forest

Vegetation Structure

Quantitative data not easily measured by hand: canopy height, understory density

history

Baseline Documentation

For change detection and long-term monitoring

gavel

Defensible Data

For regulatory submittals and legal proceedings

hub

GIS Integration

For spatial analysis and environmental modeling

Habitat Mapping & Vegetation Analysis

LiDAR excels at characterizing vegetation structure across large areas. Environmental consultants use classified point clouds to:

  • Map vegetation height classes (low, medium, high vegetation)
  • Identify tree crowns and canopy gaps for forest structure analysis
  • Calculate canopy height models (CHM) by subtracting DTM from DSM
  • Detect hedgerows and fencelines that serve as wildlife corridors
  • Quantify understory vegetation using multi-return penetration

This structural information feeds directly into habitat suitability models for species of concern.

Lidarvisor - DTM - Hillshade rural area

Wetland Delineation & Water Features

Accurate wetland boundaries require precise topographic data. LiDAR provides:

  • Water body segmentation from classified point clouds
  • High-resolution DTMs for identifying subtle topographic breaks
  • Slope analysis for drainage pattern identification
  • Microtopography mapping critical for hydric soil predictions

Combined with field verification, LiDAR-derived boundaries are defensible in regulatory reviews and jurisdictional determinations.

Environmental Impact Assessment (EIA)

Impact assessments require comprehensive baseline documentation. LiDAR supports EIA by providing:

Pre-Construction Baseline

Terrain models for comparison and change monitoring.

Vegetation Inventory

Complete data across the project footprint for impact quantification.

Sensitive Area Mapping

Steep slopes, drainage ways, riparian zones identified automatically.

Visual Impact Analysis

3D surface models for stakeholder presentations and planning.

Disturbance Calculations

Quantified area and volume metrics for mitigation planning.

Erosion & Sediment Analysis

Erosion risk assessment relies on accurate terrain characterization:

  • Slope maps identify areas prone to erosion
  • DTMs enable flow accumulation modeling
  • Repeat surveys quantify erosion and deposition volumes
  • Channel morphology analysis for stream restoration

Riparian & Corridor Analysis

Linear features like streams and wildlife corridors require special attention:

  • Buffer zone vegetation characterization
  • Stream bank height and stability assessment
  • Floodplain mapping for regulatory compliance
  • Connectivity analysis for habitat fragmentation studies
Lidarvisor - Slope Map - River valley slopes
Lidarvisor - DTM - Hillshade valley terrain

LiDAR Products for Environmental Work

Environmental projects typically require several derived products from the classified point cloud:

DTM (Digital Terrain Model)

Wetland boundaries, drainage analysis, erosion modeling

DSM (Digital Surface Model)

Canopy coverage, visual impact, total vegetation height

Canopy Height Model

Habitat structure, forest inventory, species modeling

Slope Map

Erosion risk, habitat gradients, drainage direction

Hillshade

Terrain visualization, report graphics, field navigation

Classified Point Cloud

Custom analysis, 3D visualization, data archive

Contour Lines

Traditional mapping, CAD integration, construction docs

Tree Crowns/Tops

Individual tree inventory, species counts, canopy gaps

Processing LiDAR for Environmental Projects

Environmental consultants often acquire LiDAR data from drone surveys, public repositories, or contracted flights. Regardless of source, the raw point cloud requires processing before it becomes useful.

Traditional Approach

Desktop software with manual parameter tuning for classification, separate tools for raster generation, and extensive QC review. This workflow requires specialized training and significant time investment.

Streamlined with Lidarvisor

Upload your point cloud and receive classified data plus derived products (DTM, DSM, slope, contours, vegetation layers) without parameter adjustment. Minutes, not days.

What Lidarvisor Classifies

Lidarvisor’s AI-powered classification identifies 12 feature classes relevant to environmental work:

terrain

Ground

For terrain models and wetland boundaries

park

Vegetation

Low, medium, high for habitat structure

water

Water

For wetland and water body mapping

home

Building

For infrastructure impact assessment

grass

Hedge

For corridor and boundary vegetation

fence

Fence/Wall

For property and habitat boundaries

Additional classes (wire, pole, tower, vehicle, bridge deck, roof objects) support infrastructure-related environmental assessments. All outputs include the classified point cloud for QC review in your preferred GIS software.

Workflow Example: Habitat Assessment

01

Data Acquisition

Drone survey or download from public sources (USGS 3DEP, state repositories)

02

Point Cloud Classification

Upload to Lidarvisor for automatic processing

03

Product Generation

Export DTM, vegetation layers, and canopy height model

04

GIS Analysis

Import products into ArcGIS or QGIS for habitat modeling

05

Field Verification

Ground-truth key findings with site visits

06

Reporting

Generate maps and statistics for deliverables

Lidarvisor compresses steps 2-3 from hours or days into minutes, letting consultants focus on analysis and interpretation rather than data wrangling.

Data Sources for Environmental Projects

Environmental consultants access LiDAR data from multiple sources:

  • Custom drone surveys — Highest resolution, project-specific timing
  • USGS 3DEP — Free coverage across much of the United States
  • State and county GIS portals — Often higher resolution than federal data
  • NOAA Digital Coast — Coastal areas and bathymetric data
  • International repositories — UK Environment Agency, European national surveys

Combining sources allows cost-effective coverage: use public data for regional context and commission custom flights for critical project areas.

Ready to Streamline Your Environmental LiDAR Workflow?

Start with a test project. Upload a point cloud from a recent site to see how automated classification and product generation can accelerate your work. Process up to 10 hectares at no cost.