geohub zambia
# π GeoHub Zambia β Geospatial Intelligence Platform
**Version:** 9.0 | **Updated:** 2026-04-14
**Data Source:** NSDI Zambia Β· GRID3 2022 Β· CHIRPS 2020β2025
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## π Project Overview
GeoHub Zambia is a full-featured, browser-based GIS dashboard for Zambia's 116 NSDI districts across 10 provinces. It combines real satellite-derived climate data with interactive mapping, spatial analysis, and data export tools β all as a static web application.
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## β
Completed Features (v9.0)
### πΊοΈ Map Viewer (`map.html`) β Core
- Interactive Leaflet map centred on Zambia (EPSG:4326 Β· WGS 84)
- 116 NSDI GRID3 districts with circle markers, popups, info panels
- Province labelling, water bodies, mining sites, city capitals
- Four basemaps: Street (OSM), Satellite (Esri), Terrain (OpenTopo), Dark (CartoDB)
- Coordinate systems: DD, DMS, UTM, MGRS β live display + converter
- Right-click context menu, bookmarks panel, coordinate hub
- Population heatmap overlay, province border layer, coordinate grid
- Scale bar, north arrow, zoom/reset controls
### π¨ Layer Control & Dynamic Legends
- **9 thematic overlay layers** with individual opacity sliders:
- ποΈ DEM / Elevation (simulated from district centroids)
- πΏ LULC (FAO LCCS national classes)
- π‘οΈ LST Temperature (province monthly avg 2022β2025)
- π§οΈ Rainfall 4-station baseline (CHIRPS 2023)
- π¦οΈ **Rainfall 2020β2025 CHIRPS** β (real uploaded CSV data)
- γ°οΈ Elevation Contours (200 m interval)
- π Flood Risk Zones (elevation + proximity model)
- π± NDVI Vegetation Index (simulated from forest cover)
- ποΈ **Drought Risk Index** β (raster stats 2020β2025)
- Dynamic legend panel with gradient/class tabs per active layer
- Group headers: Environmental | Climate (Real Data) | Risk / Hazard
### π Click-to-Query & Hover Tooltips
- Hover tooltip: district name, population, density + thematic values
- Multi-tab query panel (7 tabs: District, DEM, LULC, LST Temp, Rainfall, CHIRPS, Drought, Flood, NDVI)
- Full attribute tables, progress bars β¦