NDLI: An investigation to improve the menhaden fishery prediction and detection model through the application of erts-a data (Document No: 19730021571)

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An investigation to improve the menhaden fishery prediction and detection model through the application of erts-a data (Document No: 19730021571)

Content Provider	NASA Technical Reports Server (NTRS)
Copyright Year	1973
Description	The author has identified the following significant results. Linear regression of secchi disc visibility against number of sets yielded significant results in a number of instances. The variability seen in the slope of the regression lines is due to the nonuniformity of sample size. The longer the period sampled, the larger the total number of attempts. Further, there is no reason to expect either the influence of transparency or of other variables to remain constant throughout the season. However, the fact that the data for the entire season, variable as it is, was significant at the 5% level, suggests its potential utility for predictive modeling. Thus, this regression equation will be considered representative and will be utilized for the first numerical model. Secchi disc visibility was also regressed against number of sets for the three day period September 27-September 29, 1972 to determine if surface truth data supported the intense relationship between ERTS-1 identified turbidity and fishing effort previously discussed. A very negative correlation was found. These relationship lend additional credence to the hypothesis that ERTS imagery, when utilized as a source of visibility (turbidity) data, may be useful as a predictive tool.
File Size	1177624
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19730021571
Archival Resource Key	ark:/13960/t4fn5xx6j
Language	English
Publisher Date	1973-09-01
Access Restriction	Open
Subject Keyword	Geophysics Earth Resources Program Mississippi Delta La Fishes Turbidity Surface Temperature Mathematical Models Ocean Surface 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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