Mapping the Ocean Floor: Water Bathymetry Data
Have you ever wanted to look deep into the ocean and see its topography? Turns out, you actually can with this list of ocean bathymetry data.
Data Sources
NASA Earth Observatory GIS Data
Since 1999, NASA Earth Observatory has kept a close eye on the environment (fires, atmospheric gases, land use) and global climate change.
How to Download OpenStreetMap Data (OSM)
OpenStreetMap is like the Wikipedia of maps. As “open” is its key philosophy, this is true for OSM data. Learn to download OpenStreetMap data.
Planet Labs Imagery: The Entire Earth, Everyday
Planet Labs (or simply Planet) started with one main idea: To capture our dynamic Earth… Every day. using an ultra-compact, inexpensive CubeSAT satellite.
How to Download USGS Topo Maps for Free
If you’re looking for topographic maps (contours, place names & hydrography) for the United States, the first place to look is the USGS topo maps series.
What Is Esri Tapestry Segmentation?
Esri’s tapestry segmentation data provides insights on lifestyle choices made by customers helping you make more informative business decisions.
10 Best Free Land Cover/Land Use Data
Over the span of your life, how much has the Earth changed? Quite a bit, but you probably just can’t put a number to it. You actually CAN with land cover.
Choosing Between Personal and File Geodatabases
If you’re a bit confused whether or not to use a file geodatabase (*.gdb) or a personal geodatabase (*.mdb)… Here’s everything you need to know.
TerraPop Environmental & Demographic Data
TerraPop delivers internationally comparable environment and demographic data at a global scale – this includes raster, area-level and micro-data.
Lossless Compression vs Lossy Compression
Lossless compression (like JPEG) retains values and lowers file size. However, lossy compression (like LZ77) reduces file size by eliminating redundancy.