The dramatic and, in some cases damaging environmental changes sweeping Africa's lakes are brought into sharp focus in a new atlas. Produced by the United Nations Environment Programme (UNEP), the Atlas of African Lakes compares and contrasts spectacular satellite images of the past few decades with contemporary ones. The Atlas covers the rapid shrinking of Lake Songor in Ghana, partly as a result of intensive salt production, and the extraordinary changes in the Zambezi river system as a result of the building of the Cabora Basa dam site, beside more familiar images of the near 90 per cent shrinkage of Lake Chad. ...
This publication contains a number of case studies with satellite data taken over various time periods to give environmental assessments and early warning information about the potential consequences of development planning both for humans and the natural environment. The case studies cover: the Itaipâ Dam and Iguazâ River; Papua (Irian Jaya) in Indonesia; Lake Chad; Atatèrk Dam and Harran Plain; and the Sundarbans.
Call Number: Evans Map Room DVD-ROM G 3741.A4 2004 .U5
Contains a set of imagery as well as a set of lines and/or polygons used to create compressed county mosaics of Coos, Carroll, and Grafton counties generated by the 2003 and 2004 National Agricultural Imagery Programs.
The Digital Coast was developed to meet the unique needs of the coastal management community. This site provides not only coastal data, but also the tools, training, and information needed to make these data truly useful. Content comes from many sources, all of which are vetted by NOAA. Data sets range from economic data to satellite imagery. The site contains visualization tools, predictive tools, and tools that make data easier to find and use.
In addition to their scientific value, many satellite images are simply intriguing to look at. Satellites capture an incredible variety of views of Earth. See the mesmerizing beauty of river deltas, mountains, and other sandy, salty, and icy landscapes. ...
NASA's EOSDIS provides the capability to interactively browse over 900 global, full-resolution satellite imagery layers and then download the underlying data. Many of the imagery layers are updated daily and are available within three hours of observation - essentially showing the entire Earth as it looks "right now". This supports time-critical application areas such as wildfire management, air quality measurements, and flood monitoring. Arctic and Antarctic views of many products are also available for a "full globe" perspective.
The FAO GeoNetwork provides Internet access to interactive maps, satellite imagery and related spatial databases maintained by the FAO and its partners. Its purpose is to improve access to and integrated use of spatial data and information.
Geospatial Enterprise Operations serves the Farm Production and Conservation (FPAC) Mission Area with best-in-class innovative customer-focused geospatial information and solutions that are accessible, current, and authoritative.
Global Map is fundamental digital geospatial information covering the whole land of the globe. It was an effort central to the Global Mapping Project. Global Map data were developed under the cooperation of National Geospatial Information Authorities (NGIAs) of respective countries and regions. The project has now folded into UNEP.
The USGS Global Visualization Viewer (GloVis) is a quick and easy online search and order tool for selected satellite and aerial data. GloVis Next is the new generation of GloVis. GloVis will be retired in 2017.
IPUMS Terra provides global-scale data on human population characteristics, land use, land cover, climate and other environmental characteristics. It makes these data interoperable across time and space, disseminates them to the public and to multiple research communities, and preserves these precious resources for future generations.
"Staff from the National Snow and Ice Data Center (NSIDC) and the University of New Hampshire have assembled a digital image map and a snow-grain-size image of the Antarctic continent and surrounding islands."
Their mission is to help you picture climate and environmental changes as they occur on our home planet. You can browse and download imagery of satellite data from NASA's constellation of Earth Observing System satellites. There are over 50 different global datasets represented with daily, weekly, and monthly snapshots, and images are available in a variety of formats including JPEG, PNG, Google Earth, and GeoTIFF.
The fundamental goal of the NLI Program is to provide the Federal Government and the public with a primary source of remotely sensed data and applications and to be a leader in defining the future of land remote sensing, nationally and internationally.