Creating A Digital Elevation Model using Sentinel-1 Data

Data Recipe

Create a DEM using Sentinel-1 Data

This data recipe guides you through creating a Digital Elevation Model (DEM) from two Sentinel-1 SLC scenes.

Table of Contents

Background

• Pair Selection for DEMs
• More Details for Pair Selection
• Tradeoffs of DEMs Created with Sentinel’s C-Band

Prerequisites

• Materials List

Steps

• Unwrap an Interferogram with SNAPHU

Steps

Opening Data in Sentinel-1 Toolbox

• Open the Products
• View the Products
• Visualize a Band

Coregister the Data

• Coregister the Images

Interferogram Formation and Coherence Estimation

• Form the Interferogram

Visualize Interferometric Phase

• TOPS Deburst

Multi-looking and Phase Filtering

• Phase Filtering

Unwrap an Interferogram with SNAPHU

• Export to SNAPHU
• Install a Linux VM
• Unwrap an Interferogram with SNAPHU
• Move Files to PC/Mac

Open the Files in Sentinel-1 Toolbox

• Snaphu Import

Geocode the DEM

• Terrain Correction

Details

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