Selected Publications

. Comparing the Accuracy of Interpolated Terrain Elevations Across Spatial Resolution. In the International Journal of Remote Sensing (IJRS) (Under revision), 2018.

. Measuring Distance “As the Horse Runs”: Cross-Scale Comparison of Terrain-Based Metrics. In The 9th International Conference on Geographic Information Science, GIScience 2016, 2016.

PDF Code Source Document

. Voronoi-based Medial Axis Approximation from Samples: Issues and Solutions. In Transactions on Computational Sciences Journal, 2013.

PDF Code Source Document

. Watershed delineation from the medial axis of river networks. In Computers & Geosciences, 2013.

PDF Code Source Document

Selected Talks & Conference Presentations

'Slope-Adjusted Surface Area Computations in Digital Terrain
Aug 13, 2018 1:00 PM
Geomorphometry 2018 conference, the 5th International Conference of the ISG
PDF Slides Code
Cross-Scale Analysis of Sub-Pixel Variations in Digital Elevation Models
Jul 2, 2017 10:00 AM
Advances in Cartography and Giscience 2017 (ICC2017)
PDF Slides Code
Density-Based Stream Network Extraction from Digital Elevation Models
Apr 7, 2016 2:00 PM
10th Annual Hydrologic Sciences Research Symposium
PDF Slides
Digital Elevation Model Approximation from Stream Networks: A Reversed Approach
Jun 7, 2013 10:00 AM
the 2nd International Conference on the Sensors & Models in Photogrammetry and Remote Sensing Conference (SMPR 2013)
PDF Slides

Selected Projects

All PhD MSc BSc Other

Surface Area Computations

Slope-Adjusted Surface Area Computations in Digital Terrain

BSc. Projects (Geomatics)

Course projects in my bachelor (Civil Surveying) –(2006-2010)

Blunder detection in DEMs

Gross error detection in Digital Elevation models Using Metahuristic Algorithms

Equal Area Map Projection

Coded world equal area map projections using python and ArcPy

Hydrologic Flow Accumulation Modeling Using Surface Area

This project presents one possible strategy for the incorporation of surface area into a flow accumulation matrix

MSc Thesis

A Voronoi-base Algorithm for Medial Axis Extraction (Case Study: Watershed Delineation from River Networks)

Metahuristic Optimization Algorithms

Metaheuristic Optimization algorithms: the Genetic, Bee colony, Ant colony, Particle Swarm Optimization, Cat Swarm Optimization, Tabu search, and Hill Climbing.

Stream Extraction from DEM

Automating Flow Accumulation Thresholds for Extracting Stream Networks from Digital Elevation Models

Sub-pixel Variation of Elevation in DEMs

Cross-Scale Analysis of Sub-pixel Variations in Digital Elevation Models

Surface Adjusted Distance

Cross-scale Analysis of Surface Adjusted Distance in Digital Terrian

Teaching

2014-now: Teaching Assistant, Department of Geography, University of Colorado Boulder (Faculty Course Questionnaire (FCQ))

  • GIS Programming - GEOG4303/5303 (Spring 2018); Instructor: Prof. Stefan Leyk Syllabus

  • Cartography, Information Design and Representation - GEOG3053 (2015, 2016, 2017, and Fall 2018), Instructors: Prof. Barbara Buttenfield, Dr. David Parr, Dr. Sara Kelly, Dr. Eric Lovell Syllabus

  • Introduction to GIS - GEOG4103/5103 (Fall 2014, Spring 2015), Instructors: Prof. Barbara Buttenfield, Dr. Chris Anderson Syllabus

Aug 2013 - May 2014: Part-time Instructor, Geomatics Department, Daneshpajoohan University, Isfahan, Iran

  • Introduction to GIS
  • GIS Applications
  • GIS Software
  • Theory of GPS

2011-Feb: Invited lecturer, University of Kerman, GIS and RS department.

  • ArcMap 9.3 software (2-day workshop)

Fall 2011: Teaching Assistant, University of Tehran, School of Surveying.

  • Introduction to GIScience, Dr. Farid Karimipour

Fall 2008: Teaching Assistant, Department of Surveying and Geomatics Engineering, University of Isfahan, Isfahan, Iran - Least Square and Error Adjustment, Dr. Jamal Asgari

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