Introduction to Normalized Difference Water Index (NDWI) скачать в хорошем качестве

Introduction to Normalized Difference Water Index (NDWI)

The Normalized Difference Water Index (NDWI) is a remote sensing technique used to assess water content in various surfaces, primarily focusing on vegetation and water bodies. Developed by McFeeters in 1996, NDWI utilizes the spectral reflectance properties of water and vegetation to differentiate between them effectively. The index is calculated using the formula: NDWI = (Green – NIR)/(Green + NIR) where NIR represents near-infrared reflectance. Positive NDWI values typically indicate the presence of water, while negative values suggest dry land or vegetation. NDWI is particularly useful in monitoring water bodies, assessing drought conditions, and analyzing changes in land use. It enhances the visibility of water features in satellite imagery, making it easier for researchers and environmental managers to track water resources over time. The index can be applied in various fields, including hydrology, agriculture, and environmental management, providing critical insights into water availability and distribution. By employing NDWI, stakeholders can make informed decisions regarding water conservation and resource management, especially in regions facing water scarcity. Its simplicity and effectiveness make NDWI a valuable tool for remote sensing applications globally. This video is I\an introduction to Normalized Difference Water Index normalized difference water index, water index, how to normalized difference water index, normalize difference water index, modified normalized difference water index, normalised difference water index, modified normalized difference water index tutorial, normalized difference vegetation index, normalised difference vegetation index,normalized water detection index, normalized difference moisture index, normalized difference salinity index, normalized difference turbidity index, ndwi Buy me a coffee: https://buymeacoffee.com/geojay For business and enquiries: WhatsApp+2347065365193 or Email: geojaygis@gmail.com TikTok: https://www.tiktok.com/@geojaygissolu... Twitter/X:   / geojay_gis   Subscribe for more videos:    / @geojaygissolution4856   Related videos Calculate NDVI from Landsat image in ArcGIS:    • Calculate NDVI from Landsat image in ArcGIS   How to do correlation between NDVI and population density in Excel:    • How to do correlation between NDVI and pop...   Calculate NDVI using QGIS and Landsat 8 Images:    • Calculate NDVI using QGIS and Landsat 8 Im...