Flipping through field notebooks…
Knowledge graph centered on Stable isotope sample preservation with 67 nodes and 131 connections. Top connected: climatological variability, Factors Controlling Seasonal Groundwater and Solut, Winter snowpack, groundwater hydrology, evapotranspiration.
ISCO sampler with each bottle filled with 2 cm mineral oil to eliminate evaporation effects between collection and retrieval of samples
Synthesized from method descriptions across 1 paper using this protocol.