{"id":2162476,"identifier":"ARP/8LLWU4","persistentUrl":"https://hdl.handle.net/21.15109/ARP/8LLWU4","protocol":"hdl","authority":"21.15109","separator":"/","publisher":"ARP","publicationDate":"2026-03-26","storageIdentifier":"s3-sztaki://21.15109/ARP/8LLWU4","metadataLanguage":"en","datasetType":"dataset","datasetVersion":{"id":80988,"datasetId":2162476,"datasetPersistentId":"hdl:21.15109/ARP/8LLWU4","datasetType":"dataset","storageIdentifier":"s3-sztaki://21.15109/ARP/8LLWU4","versionNumber":1,"internalVersionNumber":8,"versionMinorNumber":0,"versionState":"RELEASED","latestVersionPublishingState":"RELEASED","deaccessionLink":"","lastUpdateTime":"2026-03-26T09:09:23Z","releaseTime":"2026-03-26T09:09:23Z","createTime":"2026-03-06T12:57:49Z","publicationDate":"2026-03-26","citationDate":"2026-03-26","license":{"name":"CC BY-NC-SA 4.0","uri":"http://creativecommons.org/licenses/by-nc-sa/4.0","iconUri":"https://licensebuttons.net/l/by-nc-sa/4.0/88x31.png"},"termsOfAccess":"Please contact the researcher via email and provide a detailed description of the intended use of the data for research purposes.","fileAccessRequest":true,"metadataBlocks":{"citation":{"displayName":"Citation Metadata","name":"citation","fields":[{"typeName":"title","multiple":false,"typeClass":"primitive","value":"Long-term Nutrient Concentration Dataset (1985–2025) for the Siófok and Keszthely Basins of Lake Balaton"},{"typeName":"title_hu","multiple":false,"typeClass":"primitive","value":"A Balaton Siófoki- és Keszthelyi-medencéjének hosszú távú tápanyagkoncentráció-adatbázisa (1985–2025)"},{"typeName":"author","multiple":true,"typeClass":"compound","value":[{"authorName":{"typeName":"authorName","multiple":false,"typeClass":"primitive","value":"Horváth, Hajnalka"},"authorAffiliation":{"typeName":"authorAffiliation","multiple":false,"typeClass":"primitive","value":"HUN-REN Balaton Limnological Research Institute"},"authorIdentifierScheme":{"typeName":"authorIdentifierScheme","multiple":false,"typeClass":"controlledVocabulary","value":"ORCID"},"authorIdentifier":{"typeName":"authorIdentifier","multiple":false,"typeClass":"primitive","value":"0000-0002-8249-4934"}}]},{"typeName":"datasetContact","multiple":true,"typeClass":"compound","value":[{"datasetContactName":{"typeName":"datasetContactName","multiple":false,"typeClass":"primitive","value":"Horváth, Hajnalka"},"datasetContactAffiliation":{"typeName":"datasetContactAffiliation","multiple":false,"typeClass":"primitive","value":"HUN-REN Balaton Limnological Research Institute"},"datasetContactEmail":{"typeName":"datasetContactEmail","multiple":false,"typeClass":"primitive","value":"horvath.hajnalka@blki.hu"}}]},{"typeName":"dsDescription","multiple":true,"typeClass":"compound","value":[{"dsDescriptionValue":{"typeName":"dsDescriptionValue","multiple":false,"typeClass":"primitive","value":"This dataset contains measurements of total and dissolved nutrient concentrations (NH₄–N, NO₃–N, urea–N, TDN, TN, SRP, TDP, TP) collected in Lake Balaton between 1985 and 2025 (with significant gaps). The data represent monitoring results from two basins: the Siófok Basin (EOV X: 175982; EOV Y: 564770) and the Keszthely Basin (EOV X: 156046; EOV Y: 514651)."},"dsDescriptionDate":{"typeName":"dsDescriptionDate","multiple":false,"typeClass":"primitive","value":"2026-03-06"}}]},{"typeName":"dsDescription_hu","multiple":true,"typeClass":"compound","value":[{"dsDescriptionValue_hu":{"typeName":"dsDescriptionValue_hu","multiple":false,"typeClass":"primitive","value":"Az adatállomány a Balatonban mért összes és oldott tápanyagformák (NH₄–N, NO₃–N, urea–N, TDN, TN, SRP, TDP, TP) koncentrációadatait tartalmazza az 1985 és 2025 közötti időszakból (szignifikáns hiányokkal). Az adatok két medencére vonatkoznak: a Siófoki-medencére (EOV X: 175982; EOV Y: 564770) és a Keszthelyi-medencére (EOV X: 156046; EOV Y: 514651)."},"dsDescriptionDate_hu":{"typeName":"dsDescriptionDate_hu","multiple":false,"typeClass":"primitive","value":"2026-03-06"}}]},{"typeName":"subject","multiple":true,"typeClass":"controlledVocabulary","value":["Earth and Environmental Sciences"]},{"typeName":"publication","multiple":true,"typeClass":"compound","value":[{"publicationCitation":{"typeName":"publicationCitation","multiple":false,"typeClass":"primitive","value":"B. Somogyi, H. Li, K. Tapolczai, A. W. Kovács, L. G.-Tóth, H. Horváth, K. Krassován, A. Fodor-Kardos, and L. Vörös, “Regime shift in microalgal dynamics: Impact of water level changes on planktonic and benthic algal biomass,” SCIENCE OF THE TOTAL ENVIRONMENT, vol. 929, 2024.\n\nM. Présing, T. Preston, A. Takátsy, P. Sprőber, A. Kovács, L. Vörös, G. Kenesi, and I. Kóbor, “Phytoplankton nitrogen demand and the significance of internal and external nitrogen sources in a large shallow lake (Lake Balaton, Hungary),” HYDROBIOLOGIA, vol. 599, no. 1, pp. 87–95, 2008."},"publicationIDType":{"typeName":"publicationIDType","multiple":false,"typeClass":"controlledVocabulary","value":"doi"},"publicationIDNumber":{"typeName":"publicationIDNumber","multiple":false,"typeClass":"primitive","value":"https://doi.org/10.1007/978-1-4020-8379-2_10"}}]},{"typeName":"depositor","multiple":false,"typeClass":"primitive","value":"Horváth, Hajnalka"},{"typeName":"dateOfDeposit","multiple":false,"typeClass":"primitive","value":"2026-03-06"}]}},"files":[{"description":"english description","label":"Readme_N_and_P_forms_1985_2025_E.pdf","restricted":false,"version":1,"datasetVersionId":80988,"dataFile":{"id":2162479,"persistentId":"hdl:21.15109/ARP/8LLWU4/2DJ3GO","pidURL":"https://hdl.handle.net/21.15109/ARP/8LLWU4/2DJ3GO","filename":"Readme_N_and_P_forms_1985_2025_E.pdf","contentType":"application/pdf","friendlyType":"Adobe PDF","filesize":218508,"description":"english description","storageIdentifier":"s3-sztaki://concorda:19cc32fe083-7ff8489d2516","rootDataFileId":-1,"md5":"60f983da8577f36a85a407c4bfb5177a","checksum":{"type":"MD5","value":"60f983da8577f36a85a407c4bfb5177a"},"tabularData":false,"creationDate":"2026-03-06","publicationDate":"2026-03-26","lastUpdateTime":"2026-03-26T09:09:23Z","fileAccessRequest":true}},{"description":"hungarian description","label":"Readme_N_and_P_forms_1985_2025_H.pdf","restricted":false,"version":1,"datasetVersionId":80988,"dataFile":{"id":2162478,"persistentId":"hdl:21.15109/ARP/8LLWU4/P0T7DV","pidURL":"https://hdl.handle.net/21.15109/ARP/8LLWU4/P0T7DV","filename":"Readme_N_and_P_forms_1985_2025_H.pdf","contentType":"application/pdf","friendlyType":"Adobe PDF","filesize":219654,"description":"hungarian description","storageIdentifier":"s3-sztaki://concorda:19cc33024e2-6bd53813dde4","rootDataFileId":-1,"md5":"77c5444e64742f83ebdc9cf8917a99c4","checksum":{"type":"MD5","value":"77c5444e64742f83ebdc9cf8917a99c4"},"tabularData":false,"creationDate":"2026-03-06","publicationDate":"2026-03-26","lastUpdateTime":"2026-03-26T09:09:23Z","fileAccessRequest":true}},{"description":"dataset","label":"Summary1985-2025.csv","restricted":true,"version":1,"datasetVersionId":80988,"dataFile":{"id":2162477,"persistentId":"hdl:21.15109/ARP/8LLWU4/0EHHCY","pidURL":"https://hdl.handle.net/21.15109/ARP/8LLWU4/0EHHCY","filename":"Summary1985-2025.csv","contentType":"text/comma-separated-values","friendlyType":"Comma Separated Values","filesize":67494,"description":"dataset","storageIdentifier":"s3-sztaki://concorda:19cc32fcacb-6a28cbf20b50","rootDataFileId":-1,"md5":"1975ca4b5feb9b45b85720141b4362fc","checksum":{"type":"MD5","value":"1975ca4b5feb9b45b85720141b4362fc"},"tabularData":false,"creationDate":"2026-03-06","publicationDate":"2026-03-26","lastUpdateTime":"2026-03-26T09:09:23Z","fileAccessRequest":true}}],"citation":"Horváth, Hajnalka, 2026, \"Long-term Nutrient Concentration Dataset (1985–2025) for the Siófok and Keszthely Basins of Lake Balaton\", https://hdl.handle.net/21.15109/ARP/8LLWU4, ARP, V1"}}