NISAR SAR Data Processing in ArcGIS Pro | GCOV vs GUNW Explained!

NISAR is one of the most advanced Earth observation missions, but many users are still confused about which data product to download and how to use it. In this tutorial, I explain everything in a simple and practical way. 🎥 What you'll learn in this video: ✅ How to download NISAR GCOV and GUNW data products ✅ How to open both products directly in ArcGIS Pro ✅ How to visualize the Coherence and Unwrapped Phase images from the GUNW product ✅ How to open and interpret the Covariance image from the GCOV product ✅ Why GUNW has a 20 m spatial resolution while GCOV has an 80 m spatial resolution ✅ Which product is best suited for your research or project 📌 Understanding the Difference 🛰️ GUNW (Geocoded Unwrapped Interferogram – 20 m) This product is designed to measure ground deformation with high spatial detail. It is ideal for: Earthquake deformation Land subsidence Volcano monitoring Landslide studies Glacier movement 🌿 GCOV (Geocoded Covariance Matrix – 80 m) This product focuses on the scattering characteristics of the Earth's surface and is ideal for: Forest and mangrove monitoring Crop and agriculture analysis Wetland mapping Biomass estimation Polarimetric SAR analysis Although GCOV has a coarser spatial resolution, it provides more reliable polarimetric information by reducing speckle noise, making it highly valuable for environmental and land-cover studies. 🎯 By the end of this tutorial, you'll clearly understand which NISAR product to use based on your research objectives and how to start processing it in ArcGIS Pro. Whether you're a student, researcher, GIS analyst, or remote sensing professional, this tutorial will help you confidently begin working with NISAR SAR data. 📺 Watch the full tutorial on my YouTube channel: Space Remote Sensing and GIS If you find the video useful, don't forget to Like 👍, Share 🔄, and Subscribe 🔔 to support more practical GIS and Remote Sensing tutorials.