NDLI: Evaluation of erts data for certain hydrological uses (Document No: 19730017626)

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Evaluation of erts data for certain hydrological uses (Document No: 19730017626)

Content Provider	NASA Technical Reports Server (NTRS)
Author	McGinnis, D. F.
Copyright Year	1973
Description	The author has identified the following significant results. Melting ice has been detected in Lake Erie by comparison of visible and near infrared differential reflectance. This melting condition is confirmed by meteorological ground truth data and concurrent NOAA-2 thermal infrared data. Using near-synchronous ERTS-1 data, it was possible to determine the approximate ground resolution of NOAA-2 very high resolution radiometer by comparing the smallest identifiable ice crack in the imagery and measuring the same crack on the ERTS-1 image. It was determined that photointerpretation and analysis of a single Lake Erie image can, under certain conditions, provide meaningful data on ice dynamics. ERTS-1 imagery is effective for icepack monitoring of the Great Lakes, but the sampling interval of 18 days imposes a severe limitation. Maps of the snow cover in the American River basin for 16 March 1973 have been prepared using all four bands.
File Size	198465
Page Count	7
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19730017626
Archival Resource Key	ark:/13960/t48q0sf4w
Language	English
Publisher Date	1973-05-01
Access Restriction	Open
Subject Keyword	Geophysics Lake Ice Earth Resources Program Ice Mapping Great Lakes North America Multispectral Photography Photointerpretation Data Processing California Snow Cover Satellite-borne Photography Ice Formation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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