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	   gmd:Hierarchy_Level_Name:  Enhanced-Resolution SSM/I and AMSR-E Daily Polar Brightness Temperatures
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	      Date:  2014-08-28
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	               gmd:title:  Enhanced-Resolution SSM/I and AMSR-E Daily Polar Brightness Temperatures
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	                     gmd:date:  2011
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	                  gmd:Date:  2011-08-11
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	         gmd:Abstract:  
	
	            This data set contains enhanced-resolution brightness temperatures produced 
	            using the Scatterometer Image Reconstruction (SIR) algorithm developed by the 
	            Microwave Earth Remote Sensing (MERS) group at Brigham Young University (BYU). 
	            Enhanced-resolution brightness temperature images for the Arctic and Antarctic 
	            were generated using antenna temperature data from the Special Sensor 
	            Microwave/Imager (SSM/I) and the Advanced Microwave Scanning Radiometer - 
	            Earth Observing System (AMSR-E) instrument. SSM/I images are available for 
	            1995 through 2008, and AMSR-E images are available for 2002 through 2010. All 
	            available measurements for a single day are averaged into twice-daily gridded 
	            files for three different equal-area spatial coverages: Northern Hemisphere, 
	            Southern Hemisphere, and full global. The spatial resolution is 12.5 km for 
	            SSM/I channels 19 and 22 GHz, 7.5 km for 37 GHz, and 2.5 km for the 85 GHz 
	            channel. For AMSR-E, the resolution is 12.5 km for the 6, 10, 18, and 23 GHz 
	            channels; 7.5 km for the 36 GHz channel; and 2.5 km for the 89 GHz channel. 
	            Software for reading the SIR-formatted SSM/I and AMSR-E data is also 
	            available. As scatterometer and radiometer data complement each other, these 
	            enhanced-resolution radiometer data, together with SIR format scatterometer 
	            data available from BYU, will facilitate polar research that combines 
	            information from both radiometers and scatterometers. Data are stored as 
	            scaled 2-byte integers in binary arrays with a 512-byte header and are 
	            available via FTP.
	         gmd:Purpose:  Scientific Research
	         gmd:Credit:  Long, D. G. and J. Stroeve. 2011. Enhanced-Resolution SSM/I and AMSR-E Daily Polar Brightness Temperatures. [indicate subset used]. Boulder, Colorado USA: NASA DAAC at the National Snow and Ice Data Center. 
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	            gmd:individualName:  David G. Long
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	                     gmd:city:  Provo
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	            gmd:individualName:  Julienne Stroeve
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	            gmd:keyword:  Geographic Region > Polar
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