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Major Bedrock Aquifers Within 300 Feet of Ground Surface
Entry ID:
IGDNR_ALLST_AQMB300
Summary
Abstract:
This map shows the distribution of major bedrock aquifer units within 300 feet
of ground surface containing potable water in Illinois. Major aquifers are capable of yielding 70 gallons of water per minute. Potable water contains less than 2,500 milligrams per liter of total dissolved solids. Bedrock aquifers within 300 feet of ground surface cover most of northern Illinois ... ![]()
Related URL
Data Set Citation
Dataset Originator/Creator:
W. Emery, C. Fowler, T. Haran, J. Key, J. Maslanik, T. Scambos
Dataset Title:
AVHRR Polar Pathfinder Twice-Daily 1.25 km EASE-Grid Composites
Dataset Release Date:
2000-12-01
Dataset Release Place:
Boulder, CO U.S.A.
Dataset Publisher:
National Snow and Ice Data Center (NSIDC)
Online Resource:
http://nsidc.org/data/nsidc-0065.html
Temporal Coverage
Start Date:
1992-04-01
Stop Date:
1998-12-31
Location Keywords
Data Resolution
Temporal Resolution:
Twice daily
Temporal Resolution Range: Hourly - < Daily Science Keywords
ISO Topic Category
Platform
Project
Quality
Channel data are accurate to within approximately +/- 0.2 percent based on sensor noise level of 0.4 data number (DN). Temperatures are accurate to within approximately 2 degrees Kelvin. Relative albedos in adjacent grid cells are accurate to within approximately 5 percent. However, absolute albedo values are approximate. Accuracies for the products are difficult to determine, given the limited ...
![]() Data Set Progress
IN WORK
Data Center
Distribution
Distribution Media:
8 mm tape, ftp
Distribution Size:
varies. see Summary
Distribution Format:
1-byte and 2-byte integer grids. Ice motion data are in ASCII text format.
Personnel
Publications/References
Cracknell, A.P. 1997. The Advanced Very High Resolution Radiometer. London: Taylor & Francis. Csiszar, I. and G. Gutman. 1999. Mapping global land surface albedo from NOAA AVHRR. Journal of Geophysical Research 104(D6):6215-6228. Emery, W.J., C.W. Fowler, and J.A. Maslanik. 1995. Satellite remote sensing of ice motion, in Oceanographic Applications of Remote Sensing, M. Ikeda and F.W. Dobson ...
![]() Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date:
2000-06-07
Last DIF Revision Date:
2011-08-01
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