2026-10-14T15:15:29Z https://api.figshare.com/v2/oai

oai:figshare.com:article/33973303 2026-09-24T12:09:26Z category_30428 category_30434 category_30488 category_30506 portal_989 item_type_3 month_year_09_2026

Historical dataset: Secchi Disk Data Collection for the North Sea and Baltic Sea 1902-1999 ICES (11907875) ICES resources Technologies and data Baltic Sea (ICES Ecoregion) Greater North Sea (ICES Ecoregion) Dataset Historical data Oceanography Secchi Disk data Historical dataset <p dir="ltr">This data collection is the result of a Secchi depth data mining study for the North Sea – Baltic Sea region. It covers the period from 1902 to 1999. The study was completed in 2002. The earliest Secchi depth measurement retrieved in this study dates back to 1902 for the Baltic Sea, while the bulk of the measurements were gathered after 1970. </p> 2026-09-24T12:09:26Z Dataset Dataset 10.17895/ices.pub.33973303.v1 https://figshare.com/articles/dataset/Historical_dataset_Secchi_Disk_Data_Collection_for_the_North_Sea_and_Baltic_Sea_1902-1999/33973303 CC BY 4.0