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usgs.gov

Yes and no. It depends on which glaciers you are considering. Parts of the Antarctic Continent have had continuous glacier cover for perhaps as long as 20 million years. Other areas, such as valley glaciers of the Antarctic Peninsula and glaciers of the Transantarctic Mountains may date from the early Pleistocene. For Greenland, ice cores and related data suggest that all of southern Greenland and most of northern Greenland were ice-free during the last interglacial period, approximately 125,000 years ago. Then, climate was as much as 3-5o Fahrenheit warmer than the interglacial period we currently live in. Although the higher mountains of Alaska have hosted glaciers for as much as the past 4 million years, temperate glaciers in Alaska are generally much, much younger. Many formed as recently as the start of the Little Ice Age, approximately 700 years ago. Others may ...

webgis.com

webgis brings you leading information and resources for geographical information systems. free digital terrain data, lulc data, dlg data, books, videos, software and more.

esri.com

You have a right to opt out of any selling of your personal information. Esri does not sell your personal information, so we do not offer a choice to opt out.

nmfs.noaa.gov

Learn how NOAA Fisheries supports the development of both farm-raised and wild-captured resources to meet growing demand for sustainable seafood.

uno.edu

The University of New Orleans is a place for those who know the future is not something you wait for... it is something you build.

geojobs.org

gis jobs and reuseme posting site.

gisconnection.com

gis connection - gis jobs, resumes and links

gis.sc.gov

information on the south carolina geographic information council as well as other gis activities around the state