This video tutorial is a good example to merge or mosaic raster image.
Merge raster images into a single image using Arcgis
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This video tutorial is a good example to merge or mosaic raster image.
I obtained a good tutorial to supervised image classification using ArcMap. The tutorial as follows:
Update (2/5/2020)!
I found a good tutorial to classify the Landsat 8 images from the download step until the classification step. The tutorial video as follows:
This video link (source) gives a good example on how to download free Landsat 8 by using Google Earth and EarthExplorer. The steps are as follows:
This is a good explanation of considering the effect of tidal on the flood simulation using the HEC-RAS model.