Monitoring data
Below is a list of monitoring data at Lake Kasumigaura. (Data that was publicly available through FY2023 is available here. For the correspondence between the previous and new files, see "About the data format change".)
- Please read the Terms of Use before using monitoring data.
- Bacteria, protozoa, picophytoplankton, phytoplankton, primary production and zooplankton data were published in Ecological Research Data Papers (please refer to the notes in the Excel file).
- Fish density data is also available at GBIF under a CC BY 4.0 license.
| No. | Category | Data item | Data period (fiscal year) | Data table | Last date observed | Data | Metadata | Methods | Archive |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Weather | Hourly data Daily data |
1991-Present | Weather Database, Kasumigaura Water Research Station (in Japanese) * Open in a new window |
- | - | - | (18KB) |
- |
| 2 | Water quality | Monitoring data by depth |
2013-2017 | Water quality monitoring data by depth | 2018-03-12 | ZIP (311KB) |
- | - | - |
| 3 | Water quality | Survey data | 1977-2023 | Nutrients, in situ data, Elements, and Others | 2024-03-13 | Excel (2.26MB) |
- | (97KB) |
Version history |
| 4 | Water quality | Survey data | 1988-1996 | DOC | 1996-12-11 | Excel (39KB) |
- | (78KB) |
- |
| 5 | Water quality | Methane | 1990-1996 | Methane | 1996-03-06 | Excel (56KB) |
- | (17KB) |
- |
| 6 | Water quality | Heavy metals | 1989-2008 | Heavy Metals (Fe) | 2008-12-10 | Excel (52KB) |
- | (73KB) |
- |
| 7 | Water quality | Heavy metals | 1989-2008 | Heavy Metals (Cu) | 2008-12-10 | Excel (51KB) |
- | (73KB) |
- |
| 8 | Water quality | Bottom sediments |
1983-1990 | Water content | 1990-04-11 | Excel (75KB) |
- | (16KB) |
- |
| 9 | Water quality | Bottom sediments |
1983-1990 | Heat reduction | 1990-04-11 | Excel (95KB) |
- | (16KB) |
- |
| 10 | Water quality | Bottom sediments |
1983-1990 | Specific gravity | 1990-04-11 | Excel (89KB) |
- | (16KB) |
- |
| 11 | Biological data | Bacteria | 1977-1993 | Bacteria density | 1993-04-07 | Excel (93KB) |
- | (62KB) |
- |
| 12 | Biological data | Bacteria | 1996-2023 | Microbialplankton (Bacteria density) | 2024-03-13 | Excel (56KB) |
(62KB) |
Version history |
|
| 13 | Biological data | Protozoa | 1996-2023 | Microbialplankton (Protozoa density) | 2024-03-13 | Excel (56KB) |
(23KB) |
Version history |
|
| 14 | Biological data | Phytoplankton | 1996-2023 | Microbialplankton (Picophyto-plankton density) | 2024-03-13 | Excel (56KB) |
(91KB) |
Version history |
|
| 15 | Biological data | Cyanobacteria | 1999-2018 | Cyanobacteria rDNA, rRNA density | 2018-12-12 | Excel (91KB) |
- | (229KB) |
Version history |
| 16 | Biological data | Phytoplankton | 1978-2023 | Phytoplankton density | 2024-03-13 | Excel (1.99MB) |
(91KB) |
Version history |
|
| 17 | Biological data | Primary production |
1981-2023 | Primary production | 2024-03-13 | Excel (206KB) |
- | Version history |
|
| 18 | Biological data | Zooplankton | 1980-2023 | Zooplankton density | 2024-03-13 | Excel (394KB) |
(59KB) |
Version history |
|
| 19 | Biological data | Zooplankton | 1980-2023 | Density of Mysida | 2024-03-13 | Excel (55KB) |
(59KB) |
Version history |
|
| 20 | Biological data | Lakeshore plants |
1992 | Results of vegetation research | 1992-08-04 | Excel (39KB) |
- | (20KB) |
- |
| 21 | Biological data | Lakeshore plants |
1992 | St.1 (Furuwatari) | 1992-08-04 | Excel (36KB) |
- | (20KB) |
- |
| 22 | Biological data | Lakeshore plants |
1992 | St.2 (Miho) | 1992-08-04 | Excel (35KB) |
- | (20KB) |
- |
| 23 | Biological data | Lakeshore plants |
1992 | St.3 (Tsuchiura) | 1992-08-04 | Excel (33KB) |
- | (20KB) |
- |
| 24 | Biological data | Lakeshore plants |
1992 | St.4 (Sakihama) | 1992-08-04 | Excel (38KB) |
- | (20KB) |
- |
| 25 | Biological data | Benthos | 1982-2023 | Benthos data | 2024-03-13 | Excel (681KB) |
- | (26KB) |
Version history |
| 26 | Biological data | Fish | 2005-2025 | Fish density data |
2025-09-30 | Excel (38KB) |
(13KB) |
Version history |
|
| 27 | Biological data | Fish | 2005-2025 | Fish biomass data |
2025-09-30 | Excel (43KB) |
(13KB) |
Version history |
|
| 28 | High-frequency data | Water temperature, dissolved oxygen | 2022 | High-frequency data | 2022-7-31 | ZIP (7.2MB) |
- | - | - |
| 29 | Water quality | Water temperature data of Lake Kasumigaura and Lake Inawashiro | 2020-2023 | Water temperatures | 2023/12/31 | ZIP (53MB) |
- | - | - |
| 30 | Source code | Simulation source code | - | Simulation source code | - | ZIP (207MB) |
- | - | - |