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893 Lake Stechlin chemistry data (photometry) 1970-2020

DOI Info:

  • DOI: 10.18728/igb-fred-893.4
  • How to cite: Kiel Christine, Schmidt Silke, Woodhouse Jason, Kasprzak Peter, Wollrab Sabine, Berger Stella A, Beyer Ute, Bodenlos Matthias, Degebrodt Monika, Degebrodt Roman, Gonsiorczyk Thomas, Huth Elfie, Lentz Maren, Mach Elke, Mallok Uta, Nejstgaard Jens C, Papke Monika, Pinnow Solvig, Roßberg Reingard, Sachtleben Michael, Scheffler Adelheid, Scheffler Wolfang, Krienitz Lothar, Casper Peter, Gessner Mark, Grossart Hans-Peter, Koschel Rainer (2024-07-14 ) Lake Stechlin chemistry data (spectrophotometry) 1970-2020 . IGB Leibniz-Institute of Freshwater Ecology and Inland Fisheries. FRED. https://doi.org/10.18728/igb-fred-893.4
  • Previous DOI version :10.18728/igb-fred-885.3

    • DOI history

    Date DOI PackageId Note
    2021-12-0110.18728/igb-fred-616.0616
    2023-03-1110.18728/igb-fred-825.1825
    2024-05-3010.18728/igb-fred-883.2883
    2024-06-1910.18728/igb-fred-885.3885
    2024-07-1410.18728/igb-fred-893.4893this package latest

Title
Lake Stechlin chemistry data (photometry) 1970-2020
Period
1970-01-01 till 2020-12-31
Period length
50 years 11 months 30 days
Sampling interval
14 days Irregular Interval
Description

Chemical data at Lake Stechlin: total phosphorus, total nitrogen, SRP, nitrite, nitrate, ammonium, chlorophyll a, alkalinity, calcium carbonate, total inorganic carbon, DOC, NPOC, silicate, iron, aluminium, calcium

Species Groups
Study site
Lake Stechlin
Contact
Sabine Wollrab
Licence for data
This data are made available under the Open Database License:Open Data Commons Attribution License
Publications

List of all publications related to this package:

  • Kröger, B., Selmeczy, G B., Casper, P., Soininen, J., & Padisák, J. (2023). Long-term phytoplankton community dynamics in Lake Stechlin (north-east Germany) under sudden and heavily accelerating eutrophication. Freshwater Biology, 00, 1– 15. https://doi.org/10.1111/fwb.14060

Metadata files

TitleUpload dateFiletypeLicenceActions
Chemie-Photometrie_Stechlin_1970-2020_final_updated3_2024.pdf14. Jul. 2024 12:42.pdfODC-By Download

Data files (e.g. excel)

TitlecreatedFiletypeActions
Chemie-Photometrie_Stechlin_1970_2020_final_updated3_2024.csv 14. Jul. 2024 12:42 datatable: .csv
Error: To access file, please get in touch with the contact person.

Machine Readable Metadata Files

FRED provides all metadata of this package in a maschine readable format. There is a pure XML file and one EML file in Ecological Metadata Language. Both files are published under the freeODC-ByLicence.

  • Lake_Stechlin_chemistry_data_(photometry)_1970-2020_.xml
  • Lake_Stechlin_chemistry_data_(photometry)_1970-2020_.eml

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Parsing data File

Estimated Time:

Why does it take so much time?

While parsing a file, the database has to perform various tasks, some of them needs a lot of CPU and memory for larger files.

  • preprocessing: means automatic detection of headlines, table body, format values or csv-separators
  • copying: means read the file cell by cell and copy all elements to the database. During this format settings can be calculated (for example iso-time)
  • analyzing: check out for different data types (can be time, numeric or text)