The note of Nori unfurls a fascinating olfactory tapestry, predominantly a distinctive marine and savory aroma, often described as a "green oceanic" scent. It possesses an initial crispness, a dry, almost papery texture that quickly evolves into a complex umami richness. Imagine the bracing salinity of fresh sea air mingled with the verdant, slightly earthy quality of seaweed. There's often a delicate roasted nuance, reminiscent of toasted sesame or slightly nutty grains, which adds depth and a comforting warmth. Beneath this, subtle iodine facets can emerge, evoking the briny depths of the ocean without being overtly "fishy" if handled masterfully. Its intensity can range from a transparent, effervescent marine whisper to a more pronounced, almost leathery-green character. It typically behaves as a captivating heart note, bridging brighter top notes with deeper, grounding base notes, offering excellent projection and a surprising longevity that keeps the composition intriguing for hours.