Month: January 2019
How to calculate NDVI using Erdas Imagen
How to calculate NDVI using Erdas Imagen A vegetation index is a transformation that can be used to map the “greenness” of vegetation. The Normalized Difference Vegetation Index (NDVI) is a normal... Read More
Runoff Generation: Raster Calculation in ArcGIS
Runoff Generation Raster Calculation in ArcGIS ASCII stands for American Standard Code for Information Interchange. Runoff generation at a point depends on Rainfall intensity or amount Antecedent con... Read More
Introduction and creating a Layer Stack in ERDAS Imagen
In this lab we will start using the ERDAS Imagine version 2013 image processing software package to learn some basic operations. We will also become familiar with the sentinel data to be used in futur... Read More
WEHA LABS was selected one of the Top 10 Hydrology blog & Top 60 GIS Blogs by Feedspot
WEHA LABS was selected one of the Top 10 Hydrology blog & Top 60 GIS Blogs by Feedspot I am just started WEHA LABS back in December of this year with the aim of creating a technical blog about sof... Read More
Groundwater flow modeling using MODFLOW:Typical example of Inserting DEM in to simulation
When studying the groundwater flow, one of the main factors that influence its behavior is the topography. Nowadays, we can obtain this topography information from several sources, being GeoTiff,JPG, ... Read More