Southern Terra Cognita
Discrete Global Grids
These pages provide
resources for a new class of data structures for geospatial applications, which we call "Discrete Global
Grids" (DGGs). In particular these pages contain information on DGGs
developed using the Icosahedral Snyder Equal Area (ISEA) projection.
These pages are created and maintained by Kevin Sahr of the
Department of Computer Science at
Southern Oregon University. The
information in these pages is based on the work of
an extended community of DGG researchers.
Please send Kevin an email
if you have questions about our research, information to add,
or if you would like to be informed when these pages are updated.
The following resources are currently available:
This research was sponsored in part by the environmental statistics research
project
conducted as part of the Environmental Monitoring and Assessment Program
(EMAP). EMAP is a research effort of the United States Environmental
Protection Agency directed at improving monitoring and assessment
methodology. Although the research is conducted wholly or in part by the
U.S. Environmental Protection Agency under cooperative agreement CR821672
with Oregon State University and under contract 1B0250NATA, it has not been subjected to the Agency's
peer and administrative review, and hence does not necessarily reflect the
views of the Agency.
Additional funding has been provided by the Biodiversity Research Consortium
under cooperative agreement PNW-92-0283 with the USDA Forest Service.