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DALPGIS · GIS Consultant

Geographic data turned into decisions, web apps and automated workflows

I'm Daniel León, a civil engineer and GIS consultant. I build ArcGIS Online web apps, automate geoprocessing with Python, and deliver remote sensing and spatial analysis for teams in Latin America and beyond.

Daniel León

Daniel León
Civil Engineer · GIS Consultant
Founder of DALPGIS

DALPGIS · Daniel León — GIS Consultant portfolio

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What I can do for you

SURE Venezuela: a unified geospatial response platform for the June 2026 earthquakesFeatured

Web GIS & ArcGIS Online

SURE Venezuela: a unified geospatial response platform for the June 2026 earthquakes

A public ArcGIS Hub site that brings damage reports, viewers and field forms together so responders and citizens work from one map.

ArcGIS HubSurvey123Instant AppsExperience Builder
Where to build solar on Viti Levu, Fiji: a suitability modelFeatured

Spatial Analysis

Where to build solar on Viti Levu, Fiji: a suitability model

A weighted raster model ranking 10,688 km² of Fiji's main island and finding 1,379 km² suitable for photovoltaic infrastructure.

ArcGIS ProQGISRaster algebraGlobal Solar Atlas
Fire monitoring app for the central Llanos with Google Earth EngineFeatured

Remote Sensing & GEE

Fire monitoring app for the central Llanos with Google Earth Engine

A web app that counts fire hotspots and tracks carbon monoxide for any state, year and month, with charts generated on demand.

Google Earth EngineJavaScriptVIIRS
Real-time climate station monitoring with an automated ArcGIS notebookFeatured

Automation & Spatial Data

Real-time climate station monitoring with an automated ArcGIS notebook

A dashboard that shows which weather stations are online and what they measure, fed automatically by a scheduled notebook task.

ArcGIS OnlineArcGIS NotebooksPythonExperience Builder
Property portfolio dashboard scored for walkability, biking and transitFeatured

Web GIS & ArcGIS Online

Property portfolio dashboard scored for walkability, biking and transit

An ArcGIS dashboard that turns 585 properties into a story: how walkable, bikeable and transit-friendly each location is.

ArcGIS DashboardsArcGIS OnlineArcadeLiving Atlas
Water and sewer system viewer built with Experience BuilderFeatured

Web GIS & ArcGIS Online

Water and sewer system viewer built with Experience Builder

An interactive viewer that characterizes a water-supply system over aerial imagery so the utility team can inspect parcels and networks.

ArcGIS Experience BuilderArcGIS OnlineWeb MapImagery
Site layout plans for landfill gas risk assessmentsFeatured

Cartography

Site layout plans for landfill gas risk assessments

Print-ready A3 site plans and cross-sections showing monitoring wells, waste extents and site boundaries over aerial imagery.

QGISArcGIS ProAerial imageryLayout design
Drive-time service areas around a business locationFeatured

Spatial Analysis

Drive-time service areas around a business location

A 5- to 30-minute service-area map that shows which neighbourhoods a site can reach and how much population lives inside each ring.

ArcGIS ProNetwork AnalystService Area

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