| 摘要 |
PURPOSE:To decide a material and a soil in the bottom of the sea, by a method wherein the bottom of the sea is irradiated with light with a wavelength of 2,000Angstrom -8,000Angstrom , and spectral distribution analyzer performs a spectrometry on light reflected by the material in the bottom of the sea, and its albedo curve is compared with that of a known material in the bottom of the sea. CONSTITUTION:A probing chip 1 is positioned on a sea surface above the bottom of the sea to be probed, and through operation of a winch connected to a probing device A, the device is suspended by means of a wire 2 in a suspension condition until the device A is lowered in close to the bottom of the sea. A condition of the device being suspended and moved in close to the bottom of the sea 7 can be observed in a ship by means of a submarine television camera 5. When it reaches a given probing position, and if the bottom of the sea 7 is irradiated through operation of a luminous device 3 from the inside of the ship, a collector 4 paired with the device 3 collects light reflected by a material in the bottom of the sea, it performs a spectrometry of a reflection absorption spectral distribution, it converts it into an electric signal to transmit it to a recorder 6 on the ship through a cable 2 by means of a telemeter, and this allows the formation of an albedo curve diagram. The curve is compared with a known albedo characteristics curve to decide a material in the bottom of the sea in a probing position. |
