ESRI GIS and Mapping Software: Data
http://www.esri.com/data/index.html

ESRI


ESRI provides a collection of links to a variety of data products. The site supports various applications of GIS analysis with a wide range of data products in ESRI-compatible formats.

This resource is referenced here:
Subject: Geography:Geospatial
Resource Type: Datasets and Tools:Tools, Scientific Resources:Collection, Datasets and Tools:Datasets with Tools
Special Interest: GIS
Data Derived: Data Derived
Data Source: Synthetic/Model Data, Observational Data
Earth System Topics: Surface Processes
Science Background Required: Basic scientific background required