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Md Sabbir Islam
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Maps

Maps from my research and projects, newest first. Click any map to see it full size.

Walking access to public open space in Dhaka2026

Share of residents in each Dhaka ward who live within a 400 m walk of a public open space. Data: OpenStreetMap, WorldPop 2025. Method: Network-based walking distance. Tools: QGIS.

Kutupalong-Balukhali Refugee Camp2026

Mean density of structures per km² in each camp of the Kutupalong-Balukhali refugee camp complex, Cox's Bazar, Bangladesh. Structures include shelters, latrines, clinics and learning centers, not population. Data: OpenStreetMap. Tools: QGIS.

Maritime Traffic Density in the Bay of Bengal (2015-2021)2015-2021

Data: World Bank & IMF, Global Shipping Traffic Density (AIS). Method: Log-scaled density classification. Tools: Python (rasterio, geopandas, matplotlib).

The void in the Sundarbans2026

True-colour satellite view of the Sundarbans mangrove forest, where tidal channels carry sediment into the Bay of Bengal. Data: ESA Copernicus Sentinel-2 (Level-2A) from Microsoft Planetary Computer.

Tree Cover Loss in Southeastern Bangladesh (2001-2025)2026

Data: University of Maryland, Hansen Global Forest Change v1.13. Method: Annual loss year classification (30 m, canopy ≥30% forest baseline).

Elevation, southeastern Bangladesh2026

Bandarban, Rangamati, Khagrachhari, Chittagong and Cox's Bazar. ALOS World 3D 30 m DEM.

Zero Hour Index, Jamuna-Padma char corridor2026

Where flood peaks, failed road access and submerged mobile towers leave char settlements isolated. RIMES Mapathon 2026.

Crop suitability, Bangladesh2026

Five suitability classes from BARC data, weighted overlay.

Prevailing 10 m wind, 20232026

ERA5 reanalysis via Open-Meteo, with wind roses for Dhaka, Khulna and Chattogram.

Cyclone tracks and exposure corridor2026

12 major storm tracks from 1970 to 2024 turned into a severity-weighted exposure corridor. Tools: Geopandas, scipy, matplotlib.

Cycling accessibility from Korail, Dhaka2026

2,000 sampled points routed with OpenRouteService, cubic spline interpolation.

Cold wave, 29 December 20252025

Daily minimum temperature from BMD data, made with my temperature map generator. Lowest: Nikli, 9.8 °C.

Surface water temperature, Pabna District2025

Satellite thermal analysis of rivers and water bodies. Mean 25.39 °C, range 22.6 to 33.7 °C.

Flood delineation, Sylhet and Sunamganj, 20232025

Flooded area mapped from Copernicus Sentinel-1 radar imagery.

Groundwater depth, Pabna District2025

Depth to water interpolated from observation wells, 1.2 to 10.4 m.

Stream order of the Padma River basin2025

Stream orders 1 to 4 derived from a DEM, with the watershed boundary. QGIS.

More maps

  • Sea level rise simulation, Bangladesh

    SRTM 30 m DEM, bathtub inundation model, Python.

  • Nepal flash flood, before and after

    Betrawati-Gerkhu reach, Nuwakot District. Sentinel-2.

  • Land use and land cover, Dhaka District

    Sentinel-2 classification.

  • Landsat image of Bangladesh

    Country-wide Landsat composite.

  • Earthquake hazard from recent events, Bangladesh

    USGS events, IDW interpolation in ArcMap.

  • Landsat 8 harmonic modeling, Pabna District

    Time series harmonic regression.