Google Maps and Google Earth are very common platforms today to explore maps and satellite images of the earth. But there are many other ways to explore the earth. Some are listed here. 1. Earth Explorer This map is developed by USGS helpful to obtain earth imagery across available geo-spatial data types. Users can navigate via interactive map or text search to obtain Landsat satellite imagery, Radar data, UAS data, digital line graphs, digital elevation model data, aerial photos, Sentinel satellite data, some commercial satellite imagery including IKONOS and OrbView3, land cover data, digital map data from the National Map, and many other datasets. Users can search by exact location via the interactive map or input specific coordinates to view what data types are available. 2. Sentinel Hub This platform developed by Sinergise has Sentinel, Landsat, and other Earth observation imagery easily accessible for browsing, visualization and analysi...
The topography of Kathmandu valley has changed a lot over the years. The rapid urbanization specially after 2070's has made Kathmandu valley a concrete hub with overall change of the land use pattern and drinage pattern. The narrowing of river channels, enroachment of small tributaries has disurbed the water path flow increasing the risk of flodding in the valley. The topography and land use of Kathmandu valley aroun 1994 can be seen in the following Topographic maps: