https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.8 2026-04-29T10:52:37.449Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/fe4a246b-4614-422b-8ca5-0481ee417318 POTENTIAL DENSITY Measurement of water density taking water's compressibility intoaccount, provided no heat exchange of the water sample with itssurroundings. This is important because of the potential temperaturechange of water at varying levels of pressure. That is, under highpressure, water is warmer (less potentially dense) than that same sampleof water at low pressure (lower potential temperature and thus morepotentially dense).