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GIS / Remote Sensing

Normalized Difference Snow Index (NDSI)

Published on May 17, 2020
NDSI is a measure of the relative magnitude of the reflectance difference between visible (green) and shortwave infrared (SWIR).

Integrate Google Earth Engine(GEE), Pandas framework and Matplotlip - Spatial Data Mining

Published on Apr 04, 2020
Discovery Pattern in Spatial data, extract potentially useful information from data stored in images and visualize the result in dynamic charts.

Learn Google Earth Engine from Scratch

Published on Sep 18, 2020
Google Earth Engine is a geospatial processing service with the motto "To organize the world's information and make it universally accessible and useful."

Generate Slope Elevation data from SRTM - Python API

Published on Apr 11, 2020
Digital elevation data is an international research effort that obtained digital elevation models on a near-global scale. This SRTM V3 product (SRTM Plus) is provided by NASA JPL at a resolution of 1 arc-second (approximately 30m).

Calculate NDVI and export

Published on May 19, 2020
Normalized Difference Vegetation Index (NDVI) quantifies vegetation by measuring the difference between near-infrared (which vegetation strongly reflects) and red light (which vegetation absorbs).

Land Cover Mapping - Part 2

Published on May 31, 2020
The surface of the Earth is continuously changing at many levels; local, regional, national, and global scales. Changes in land use and land cover are pervasive, rapid, and can have significant impacts on people, the economy, and the environment.

Land Cover Mapping - Part 1

Published on May 31, 2020
The surface of the Earth is continuously changing at many levels; local, regional, national, and global scales. Changes in land use and land cover are pervasive, rapid, and can have significant impacts on people, the economy, and the environment.

Supervised Classification in GEE

Published on May 10, 2020
Supervised classification is the technique most often used for the quantitative analysis of remote sensing image data.

All you need to know about NDVI

Published on May 07, 2020
The Normalized Difference Vegetation Index is a simple indicator of photosynthetically active biomass or, in layman’s terms, a calculation of vegetation health.

All you need to know about EVI

Published on May 11, 2020
EVI is similar to Normalized Difference Vegetation Index (NDVI) and can be used to quantify vegetation greenness. However, EVI corrects for some atmospheric conditions and canopy background noise and is more sensitive in areas with dense vegetation.

Google earth engine with python

Published on May 07, 2020
In addition to the web-based IDE Google Earth Engine also provides a Python API that can be used on your local machine.

20 year Time-series change of Mega projects

Published on Jun 09, 2020
20 year Time series analysis of megaproject using Landsat satellite.

All you need to know about NDWI: Normalized Difference Water Index

Published on May 12, 2020
The Normalized Difference Water Index (NDWI) is remote sensing derived index estimating the leaf water content at the canopy level.

NDVI time series with Google Earth Engine

Published on Sep 19, 2020
Time series animations of Earth observation imagery are captivating and engaging. In this tutorial, you'll learn how to generate an animated GIF.

Calculate NDVI from Sentinel-2 with Python API

Published on May 07, 2020
Normalized Difference Vegetation Index (NDVI) quantifies vegetation by measuring the difference between near-infrared (which vegetation strongly reflects) and red light (which vegetation absorbs).