Fig. 5: Ocean and subshelf water properties.
From: Thermohaline structure and circulation beneath the Langhovde Glacier ice shelf in East Antarctica
a Locations of the CTD casts (white circles) previously performed by the Japanese Antarctica Research Expedition. The background bedrock topography is from the IBCSO bathymetry48. b Conservative temperature-absolute salinity diagram, showing water properties previously reported in the nearby ocean, and those obtained beneath the ice shelf of Langhovde Glacier in this study (black dot) and January 2012 at BH1804 (red triangle)23. Locations of the CTD casts in the ocean are indicated in Fig. 5a. Also indicated are the meltwater-mixing line44,45 (thick solid blue; gradient of 2.41°C/(g kg−1)), isopycnals (gray), freezing point (dashed black) referenced surface pressure, and the WDW-WW mixing line (dash-dotted orange). The box bounding the subshelf measurements indicates the region enlarged in (c). c Conservative temperature and absolute salinity obtained by subshelf measurements in this study. Marker color represents the depth of the measurement. See Supplementary Fig. 4 for more details of the water properties near the ice–ocean boundary. WDW: Warm Deep Water, MWDW: Modified Warm Deep Water, WW: Winter Water, and ASW: Antarctic Surface Water.
