John Francis Ropek this nuclear submarine, Ropek was involved in pioneering oceanographic studies under the polar ice cap of the North Pole, resulting in the report "Characteristics of Polar Ice Observed During the 1957 Arctic Cruise of the USS Nautilus" (Defense Technical Information Center 1958). As a scientist he published many technical papers, such as "US Navy Hydrographic Office synoptic and prognostic wave charts" (US Navy Hydrographic Office 1955), and "An Application of Naval Oceanographic Development to Inland Waters" (Defense Technical Information Center 1967). Later, Ropek was deputy director of the prediction division of the Naval Oceanographic Office. Late in life he lived
Lake North Pole Lake North Pole Lake North Pole, also known as The North Pool, is a small, shallow lake near the North Pole, and is currently the northernmost lake in the world. It came into existence in 2002, occurring each year, then freezing over in the winter. The lake, which is approximately one foot deep, is composed almost entirely of fresh water melted from the ice beneath. A web camera is stationed beside the lake to monitor changes. It was built by the Polar Science Center. On July 26, 2013, the depth was estimated to be approximately 40 cm. Members of the