Juan Alonso Velasquez,
GIS and Spatial Data Analysis Portfolio

Welcome and thank you for deciding to check out a bit of my GIS and Spatial Data Analysis work! Since learning GIS software, it has become one of my favorite skills that I hope to keep using and improving.

Please scroll through projects down below, and click for more information. Please note that some images take time to load. #Carto2026

For the best experience, please take a look at my portfolio on desktop! It has a cartographic section that works best off mobile.

Email: alonsovelasquez235@gmail.com

Last updated
January, 2026

Fundamentals of Geospatial Analysis: GIS Projects

My first semester of my Master’s Program in Environmental Management at Duke’s Nicholas School of the Environment, I took Fundamentals of Geospatial Analysis as part of my Geospatial Analytics certificate. I sharpened my ArcGIS layout design skills and learned numerous new GIS tools. Some examples include different methods of interpolation, least-cost paths, network analysis, raster analysis, terrain analysis, multi-criteria decision analysis, and some different index metrics.

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Barcelona: Short-Term Housing Rentals & Gentrification

A project I had to complete for my Advanced GIS class, I attempted to utilize some heavy duty GIS geoprocessing to assess spatial indicators of gentrification in Barcelona, Spain, and compare them to the geographic distribution of short term housing rentals (Airbnbs) throughout the city.

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RULA-IRES

During summer 2024, I did an internship through the Resilient Urban Latin America (RULA) - International Research Experience for Students (IRES) in Mérida, Mexico, and now I’m part of the Nature-based Solutions for Urban Resilience in the Anthropocene (NATURA) network. Working with local scientists, students, government officials, and locals, my cohort and I did research on how flooding affects residents and the effectiveness of nature-based solutions in mitigating that flooding.

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Protecting Tapirus pinchaque: The Mountain Tapir’s Range and Portected Habitat

For a final paper, I had to write a scientific brief on an issue related to sustainable development. I decided to write mine on the Mountain Tapir, and current protected areas that intersect its habitat throughout its current range. I made some spreads to show the extent of protected Tapir habitat across the three countries it spans to include in my paper. I tried working on my design skills with this one!

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World Ecoregions and Protected Areas: Big Data Analysis

In addition to GIS, I have also done spatial data analysis within Python. Here is a poster showing a big data analysis project where I analyzed the world ecoregions as defined by the World Wildlife Fund (WWF), and assessed how trends in protected areas change across different biomes. It was good practice working with huge datasets!

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Maps for Fun!

I have also utilized GIS as a way to make maps for fun or as gifts for friends and mentors. Feel free to check some of my favorites out!

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