Glacier Change Detection in GRASS GIS

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Purpose

The purpose of this tutorial is to visualize and assess the change in the extent of a marine-terminating glacier in the Canadian Arctic over time. To assess the change in extent, this tutorial will demonstrate how to classify the snow/ice cover in Landsat 8/9 images using a generic Normalized Difference Snow Index (NDSI) technique. This tutorial is

Introduction

Software Download and Instillation

Data Sources

Methods

Set Up

Import Data

Calculate NDSI

Time Series Change Detection with Landsat 8/9

Change Detection with Sentinel 2

Conclusion