thumb|Pocosin wetland in North Carolina
thumb|Pocosin wetland in North Carolina
Pocosin is a type of palustrine wetland with deep, acidic, sandy, peat soils. Groundwater saturates the soil except during brief seasonal dry spells and during prolonged droughts. Pocosin soils are nutrient-deficient (oligotrophic), especially in phosphorus.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).