The China Historical Geographic Information System (CHGIS) project was launched on January 8th 2001, with funding from the Luce Foundation. The CHGIS will establish a database of historical administrative units for different periods in Chinese… Read more.
OPEN
Posted:
Posted:
The goal of this initiative is to develop a digital data base that contains all available bathymetric data north of 64 degrees North, for use by mapmakers, researchers, and others whose work requires a detailed and acurate knowledge of the depth and… Read more.
Posted:
The National Snow and Ice Data Center offers hundreds of data products and services to researchers, commercial applications users, and others worldwide, most often at no cost, thanks to the generosity of our data providers.