Abraham Coiman

Agronomist Specialized in Geomatics


Abraham Coiman is an agronomist specialized in geomatics. His research interests include Geographical Information System (GIS), Remote Sensing and Geographical Data Science. With a bachelor’s degree in Agronomy and a postgraduate diploma in Geomatics, he has more than ten years of experience in using Geospatial Information Technology, GIS and Remote Sensing tools.

His professional and scientific experience includes spatial analysis using ArcGIS and QGIS, Remote Sensing image analysis using ENVI, eCognition and Google Earth Engine, creating highly accurate maps, building web mapping applications using ArcGIS online and open source software, and geospatial analysis using data science tools.


  • Geographical Information System
  • Remote Sensing
  • Geographical Data Science


  • PGDip in Geomatics, 2018

    Central University of Venezuela

  • BSc in Agronomy, 1999

    Central University of Venezuela




Remote Sensing


Data Science






Web Mapping




GIS and Remote Sensing Technician

Geomatik Consulting

Jan 2019 – Present Maracay - Venezuela
Using Geographical Data Science techniques and methods to retrieve, analyze, and visualize geospatial data for environmental management.Classification and analysis of Remote Sensing images using Machine Learning techniques.

GIS Web Developer

Geomatik Consulting

Nov 2015 – Dec 2018 Maracay - Venezuela
Full-stack GIS Web development, this included developing client and server-side applications using PostGIS, GeoServer, and OpenLayer, as well as managing, visualizing, and sharing geospatial data.

GIS Technician

Bolivarian Government of Aragua State

May 2014 – Jul 2018 Maracay - Venezuela
Developing Web mapping applications using ArcGIS online. Cleaning and processing geospatial data using ArcGIS for Desktop and QGIS.

GIS and Remote Sensing Technician

Geomatik Consulting

Jan 2011 – May 2014 Maracay - Venezuela
Using Remote Sensing and GIS to extract geospatial data for environmental and mining management.


Applied Data Science with Python Specialization

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Statistics with Python Specialization

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Python for Everybody Specialization

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Working with Geospatial Data in R

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Landscape Ecology

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Binary Classification Machine Learning. Case Study Loan Prediction

The aim of this exercise is to use Machine Learning techniques to predict loan eligibility based on customer details.

Retrieving, Analyzing and Visualizing georeferenced data

This post will show you how to map earthquakes from a database using standard Python libraries.


Web Maps

Web mapping applications for environmental and territorial management.

Story Map

Land Use and Land Cover Changes in Zamora municipality, Aragua state, Venezuela.

Geoportal INSAI

Leveraging the national plant protection and animal health system in Venezuela.

Mining Geoportal

Central repository for mining data in Venezuela.


Research Article International Journal of Environment and Geoinformatics

We used GIS and Remote Sensing to estimate LULC changes and the shoreline growth of the Valencia lake in Venezuela.

Tesis de Especialización en Geomática

Evaluación de los cambios del uso y cobertura de la tierra, municipio Zamora, estado Aragua Venezuela.


  • Maracay, Aragua, Venezuela
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