nansen bottle การใช้

They are generally used in pairs in Nansen bottles.
The sea temperature at the water sampling depth is recorded by means of a reversing thermometer fixed to the Nansen bottle.
Ocean heat content can be computed using temperature measurements obtained by a Nansen bottle, an ARGO float, or ocean acoustic tomography.
A second messenger can be arranged to be released by the inverting mechanism, and slide down the cable until it reaches another Nansen bottle.
One of Nansen's lasting contributions to oceanography was his work designing instruments and equipment; the " Nansen bottle " for taking deep water samples remained in use into the 21st century, in a version updated by Shale Niskin.