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CalCOFI release v2026.04.06

2026-04-06 · 27 tables · 361,200,542 rows · 1 KB

tablerowssize
bottle_measurement.parquet11,135,60085.0 MB
bottle.parquet895,37113.8 MB
cast_condition.parquet235,5131.5 MB
casts.parquet35,6441.9 MB
cruise_summary.parquet6918 KB
cruise.parquet69117 KB
ctd_cast.parquet6,065,096291.2 MB
ctd_measurement/ 98 parts236,782,29414.68 GB
ctd_summary/ 97 parts104,828,7684.95 GB
dataset.parquet56 KB
dic_measurement.parquet16,391164 KB
dic_sample.parquet4,39135 KB
dic_summary.parquet15,786128 KB
grid.parquet218122 KB
ichthyo.parquet830,87321.1 MB
invert_net.parquet7,463222 KB
invert.parquet23,830257 KB
lookup.parquet263 KB
measurement_type.parquet1046 KB
net.parquet76,5122.2 MB
segment.parquet60,4134.0 MB
ship.parquet482 KB
site.parquet61,1042.0 MB
species.parquet1,14446 KB
taxa_rank.parquet411 KB
taxon.parquet3,34870 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/v2026.04.06/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/v2026.04.06/parquet/obs_ctd_full/**/*.parquet', hive_partitioning = true) LIMIT 10;