Dataset Overview

Raw nutrient data from Lake Kasumigaura at Station 1-4, 6-9, 11-12, for 1977-2015. Data included are chla, secchi, TP, TN, DOC, TSS, NO2, NH4, NO3. See QA QC Notes file.

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Please see GEISHA Project home page on FEMC website at or see the GEISHA website hosted by INRAE at

Data Collection Status

Data collection for this dataset has been completed

Start date


End date



56540 records with 7 fields

Data Availability

Data are available upon request

Preferred Citation

Please contact Ichiro Matsuzaki ( and Jason Stockwell ( if you are interested in the data set

Update Frequency

As needed

Maintenance Plan

Not provided


No links available for this dataset

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Previous Versions
    • Version 2 - 04Jul2021 (created 2021-07-04 by Jason Stockwell)
    • Version 1 - 18Feb2021 (created 2021-02-18 by Jason Stockwell)