The Texas Tribune has published a map showing the place of disposal wells where waste-water, frequently from hydraulic fracturing sites, is existence disposed of inward the state. Texas Disposal Wells visualizes the place of 7,000 disposal wells inward Texas.
The map uses hexagonal binning to highlight the issue of wells inside an area.. You tin post away zoom inward on the map to sentiment the place of the private wells.
The Texas Tribune uses the Mapbox platform. Mapbox has written a overnice tutorial on how to purpose hexagonal binning alongside Mapbox created maps. Binning: an Alternative to Pointmaps explains how the costless in addition to opened upwards beginning QuantumGIS tool tin post away last used to practice a hexagon density layer, which y'all tin post away thus overlay on elevation of a Mapbox map.
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