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🌍 Landwatch 🚀

Welcome to the Landwatch — an innovative web-based application designed to seamlessly connect space-based satellite data with ground-based observations. Whether you’re a scientist, student, land manager, or an earth enthusiast, our app allows you to track Landsat satellite overpasses, access critical real-time environmental data, and compare it directly with your own measurements — all in one place.

🔥 Features

  • Track Landsat Overpasses
    Define a target location and receive notifications when Landsat satellites (Landsat 8 & 9) will pass over your area.

  • Access Surface Reflectance Data
    Instantly access and download Landsat Surface Reflectance (SR) data for your location to monitor changes in Earth's surface.

  • Compare with Ground-Based Observations
    Compare satellite SR data with your own field measurements to validate and explore environmental changes in real-time.

  • Interactive Map Integration
    Select your target location on a dynamic map, and visualize the Landsat scene extent, including a 3x3 grid of 9 Landsat pixels centered on your location.

  • Customizable Notifications
    Set custom alerts based on lead time for satellite passes and cloud coverage thresholds to get data tailored to your needs.

  • Visualize Spectral Data
    Display and analyze Landsat SR data in graph form to better understand the spectral signature of Earth's surface.

  • Download Data
    Export valuable Landsat SR data and metadata, including acquisition date, satellite info, cloud cover, and more, in CSV format.

🌟 Why is it Important?

The Landsat Explorer app merges the powerful capabilities of Landsat satellite data, creating a bridge between space and Earth. Whether you're in the classroom or out in the field, this tool empowers you to:

  • Enhance Remote Sensing Education
    Compare your own spectral measurements with real satellite data, fostering a deeper understanding of Earth's changes.

  • Support Scientific Discovery
    Assist researchers, land managers, and citizen scientists in tracking environmental trends and validating satellite observations.

  • Empower Global Citizenship
    Give users an informed, hands-on approach to understanding and monitoring the planet in real-time.

🚀 How to Get Started

  1. Clone the Repository 
    git clone https://github.com/exe-0535/landwatch.git

🖥️ Launch Server

  1. Install Dependencies 
    cd landwatch -> BACKEND 
pip install -r requirements.txt
  2. Run Server 
    cd BACKEND -> src
python manage.py makemigrations
python manage.py migrate
python manage.py runserver 8001
    Make sure that the port is 8001

🗄️ How to Run Client

  1. Install Dependencies 
    cd landwatch -> FRONTEND 
npm install
  2. Run Client 
    npm run dev
  3. Open App http://localhost:3000/

🔧 Tech Stack

  • Frontend: React, Next.js, Leaflet.js (for interactive maps)
  • Backend: Python, Django
  • API: NASA Earthdata API (for Landsat SR data retrieval)
  • Database: PostgreSQL (for storing user preferences and notifications)

🛠️ Future Features

  • Enhanced Data Filtering: Add more granular options for data retrieval based on specific time spans, cloud cover, and image quality.
  • Advanced Data Export Options: Allow users to export data in more formats, including GeoTIFF and JSON.

📄 License

This project is licensed under the Apache-2.0 License. See the LICENSE file for details.

Bring the cosmos to your fingertips.
Explore Earth, one Landsat pass at a time. 🌍🚀