Global Change Master Directory

The Global Change Master Directory holds more than 28,000 data set descriptions, known as DIFs (Directory Interchange Format). This format is compatible with the Federal Geographic Data Committee's (FGDC) standard and the international ISO 19115 standard. The purpose of the directory is to provide users with information on the availability of data and services that will meet their needs, along with efficient access to those data and services. Links are provided, when available, to connect directly to the data or services of interest.

Global Change Master Directory

The Global Change Master Directory holds more than 28,000 data set descriptions, known as DIFs (Directory Interchange Format). This format is compatible with the Federal Geographic Data Committee's (FGDC) standard and the international ISO 19115 standard. The purpose of the directory is to provide users with information on the availability of data and services that will meet their needs, along with efficient access to those data and services. Links are provided, when available, to connect directly to the data or services of interest.