deep geological disposal (of radioactive waste)
Technical term used in nuclear waste management policy and geology. Refers to burying high-level radioactive waste in stable deep underground rock formations.
In Japan, deep geological disposal of high-level radioactive waste is under consideration.
Debate continues among experts about the safety of deep geological disposal.
地層処分 is a broader term for geological disposal, while 深地層処分 specifically emphasizes disposal in deep geological layers (typically >300m).
Compound of 深 (deep), 地層 (geological stratum), and 処分 (disposal). A modern technical term coined for nuclear waste management.