Ocean Chlorophyll Heatmap - NASA Space Apps 2025

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🌊 Chlorophyll Heatmap Visualisation

NASA MODIS Aqua Satellite Data (2003-2023)
Smooth Heatmap Overlay

Smooth gradient heatmap derived from NASA satellite chlorophyll-a measurements, processed through spatial interpolation and Gaussian smoothing to create continuous ocean-only overlays with continental masking.

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📅 Time Period

🎯 Time Navigation

Spring 2003 Winter 2023

🎬 Playback Controls

⚡ Playback Speed

Speed: 1.0s

0.1s 3.0s

Visualisation: Ocean-Only Heatmap

Resolution: 512x256 texture

Filtering: Deep ocean areas

Time Range: 21 years

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🧬 Chlorophyll-a Concentration

Very Low
0.001 Low
0.01 Medium
0.1 High
1.0 Very High
10+ mg/m³

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🛰️ NASA Space Apps Challenge 2025

🎮 Controls:
• Mouse: Rotate globe
• Wheel: Zoom in/out

WebGL Globe | NASA Ocean Colour