Thermal stratification gets its vibe from layering temperatures, and these emojis nail that concept. Drop 🌅🌊🧊 to hint at chilly water layers at dawn or use 🌞🌊🔬 when talking about warm surface waters studied in science texts. The combo 🌡️💧🌌 captures the feeling of temperature gradients in vast bodies of water, perfect for academic posts or nature-themed threads.