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Browsing Water Resources Research Center by Author "Lepley, Larry K"

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WRRCTMR No.25 Algae an an Indicator of Fresh Water Coastal Out flow in Hawaii

Brilliande, Timothy W; Lepley, Larry K (Water Resources Research Center, University of Hawaii at Manoa, 1971-02)

Zonation of algal communities in the intertidal areas of the Hawaiian islands has been correlated with zones of reduced salinity caused by submarine fresh-water springs. Laboratory salinity tolerance experiments showed ...
WRRCTR No.18 Remote Sensing of Hawaiian Coastal Springs Using Multispectral and Infrared Techniques

Lepley, Larry K; Palmer, Leonard A (Water Resources Research Center, University of Hawaii at Manoa, 1967-08)

Two remote sensing techniques of measuring offshore ground-water spring discharge that have been studied are: (i) multispectral photography, and (ii) infrared thermometry. During the summer of 1967, exposure factors for ...
WRRCTR No.25 Reflectivity of Electromagnetic Waves at an Air-Water Interface for Pure and Sea Water

Lepley, Larry K; Adams, William M (Water Resources Research Center, University of Hawaii at Manoa, 1968-12)

Compilation of the optical properties of electromagnetic waves incident on pure (chemically pure) or sea water shows an abrupt divergence of behavior for the two water types at about the 3-centimeter wavelength. From ...
WRRCTR No.26 Infrared Images of the Kau and Puna Coastlines on Hawaii

Adams, William M; Lepley, Larry K (Water Resources Research Center, University of Hawaii at Manoa, 1968-12)

An infrared scanner covering the 200 to 540-nanometer wavelength region has been flown over the coastline of the Puna and Kau Districts on the island of Hawaii. The images were monitored in real-time and recorded on film. ...
WRRCTR No.48 Direct Determination of the Electromagnetic Reflection Properties of Smooth Brackish Water to the Continuous Spectrum from 108 to 4 x 109 Hertz

Lepley, Larry K; Adams, William M (Water Resources Research Center, University of Hawaii at Manoa, 1971-05)

A new geophysical technique for the remote measurement of the electromagnetic properties of natural surfaces was investigated. Theoretical and laboratory work has produced evidence for the validity of the use of ultra-high ...