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CalCOFI release v2026.04.08

2026-04-08 · 28 tables · 357,418,040 rows · 1 KB

tablerowssize
_spatial_attr.parquet40,298121 KB
_spatial.parquet3,37325.0 MB
bottle_measurement.parquet11,135,600113.8 MB
bottle.parquet895,37113.8 MB
cast_condition.parquet235,5131.5 MB
casts.parquet35,6442.0 MB
cruise_summary.parquet6918 KB
cruise.parquet69117 KB
ctd_cast.parquet6,065,096291.2 MB
ctd_measurement/ 98 parts233,008,70914.68 GB
ctd_summary/ 97 parts104,828,7684.95 GB
dataset.parquet56 KB
dic_measurement.parquet16,391189 KB
dic_sample.parquet4,39135 KB
dic_summary.parquet15,786131 KB
grid.parquet218122 KB
ichthyo.parquet841,41723.8 MB
invert.parquet11,815146 KB
lookup.parquet263 KB
measurement_type.parquet1046 KB
net.parquet76,5121.9 MB
segment.parquet60,4134.0 MB
ship.parquet482 KB
site.parquet61,1042.0 MB
species.parquet1,15046 KB
taxa_rank.parquet411 KB
taxon.parquet3,35968 KB
tow.parquet75,5061.8 MB

Sidecars

Machine-readable descriptions of this release.

filesize
RELEASE_NOTES.md2 KB
catalog.json3 KB
index.html10 KB
relationships.json3 KB
Read directly with DuckDB — no download needed. A single-file table:
SELECT * FROM read_parquet('https://storage.googleapis.com/calcofi-db/ducklake/releases/v2026.04.08/parquet/sample.parquet') LIMIT 10;

A partitioned table (note the /**/*.parquet glob and hive_partitioning, which turns the directory names into a real column):
SELECT * FROM read_parquet('https://storage.googleapis.com/calcofi-db/ducklake/releases/v2026.04.08/parquet/obs_ctd_full/**/*.parquet', hive_partitioning = true) LIMIT 10;