{"model":"HCLV4_grouped_monthly_static_meta_areaaux_64d","source_file":"basin_embeddings_full.npz","source_sha256":"2268e352c6cc42cfd020247a62997c0b6b652921820a6058004942011b8e4923","basins":9067,"years":[1985,1986,1987,1988,1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022,2023,2024],"dimensions":64,"spaces":["embeddings","hydrologic_repr"],"dtype":"little-endian float32","coverage":"Contiguous United States (CONUS); Alaska, Hawaii and territories are not included.","mean":"L2-normalized mean of annual unit vectors, recomputed separately in each space.","similarity":"Cosine similarity in the selected full 64-dimensional space; no PCA used for ranking.","geometry":"GAGES-II basin boundaries, pre-simplified at 0.01 degrees with topology preservation; rounded to 5 decimal places for display. Click hit tests use these display boundaries.","overlap":"Recorded strong overlap pairs: intersection / minimum basin area in EPSG:5070. Minimum recorded score is 0.5012679346012283. Absence of a link does not establish disjointness.","pca":"PCA on period means; fixed axes across years; 2\u201398 percentile color stretch fitted to means.","change":"1 minus cosine between 1985 and 2024 annual vectors; representation change, not a measured physical trend."}