South Bronx CBX

3D Terrain · CV Segmentation · Ensemble · Trauma

Main Layer — CBX Trench Visual
CFD Pollution Dispersion
CV Enclosure Heatmap
CV Points (click → overlay)
Context Layers
3D Buildings (Mapbox)
Vulnerability (Gaussian)
Trauma / 311 Points
CV vs Model Δ Error
Building Coverage Score

South Bronx Crossway

Under buildings (avg enc)76.2%
Deep canyon ( sky <30%)57.7%
Avg sky visibility23.8%
Pts w/ building height >088.7%
CFD — Pollution Dispersion Scale
CleanModerate PM2.5Max Trap
Thermal Scale (Enclosure)
Open Sky0.5 encDeep Trench
Ensemble Model R²=0.9761

Feature Importance

Asthma Rate (61.6%)
Climate Vuln Index (24.6%)
Trauma Intensity (10.2%)
CV Morphology (1.7%)
Buildings explain only 1.7% of vulnerability.
Health & climate are dominant drivers.
Priority Zones

Intervention Ranking

#1 fid=41 asthma=355.80.745
#2 fid=6 asthma=355.80.723
#3 fid=17 asthma=287.90.666
#4 fid=52 asthma=266.20.662
#5 fid=29 asthma=199.50.525
Trauma Categories
● Noise (311)40
● Health35
● Air Quality19
● Displacement39
CBX Terrain Visual
CBX_Trench_Visual.html
Community Atlas — The Trench
Idling Atlas — Regulatory Problem
— pt 0/71
CBX TRENCH VISUAL — 3D TERRAIN (FWCBX.TIF)
Building Coverage
76.2%
crossway under buildings
Deep Canyon Points
57.7%
sky <30% (41/71 pts)
Ensemble R²
0.9761
RF+XGB+GB weighted
Max Vulnerability
0.745
fid=41 asthma=355.8
Trauma Events
133
noise/health/air/displace
CBX Trench Visual — Key Finding
76.2% of South Bronx street-level sky blocked by buildings. CV morphology = 1.7% of vulnerability variance. Health outcomes dominate.