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Chesapeake Bay Program

Phytoplankton

Phytoplankton Data Sets

Data is currently available for three year groups with the year being broken in half with one data set representing Jan-Jun and the other July-Dec. The Zipped files contain all the data collected for that time period in ASCII format.

 † Picoplankton Data included as separate file from this data forward. Previously was included in plankton data file


When the above files are unzipped they will produce some or all of the following files:

1. vaph*.dat - Plankton Sampling Data
2. vaph*.eve - Plankton Environmental Data
3. vapp*.dat - Picoplankton Sampling Data
4. vapp*.eve - Picoplankton Environmental Data
5. vamzd*.qaqc - QA/QC
6. vaph*.txt - Text Documentation