<?xml version='1.0' encoding='UTF-8'?><codeBook xmlns="ddi:codebook:2_5" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="ddi:codebook:2_5 https://ddialliance.org/Specification/DDI-Codebook/2.5/XMLSchema/codebook.xsd" version="2.5" xml:lang="en"><docDscr><citation><titlStmt><titl xml:lang="en">Long-term chlorophyll a concentrations in Lake Balaton (2000–2024)</titl><IDNo agency="handle">hdl:21.15109/ARP/65ICX1</IDNo></titlStmt><distStmt><distrbtr source="archive">ARP</distrbtr><distDate>2025-03-31</distDate></distStmt><verStmt source="archive"><version date="2025-03-31" type="RELEASED">1</version></verStmt><biblCit>Somogyi, Boglárka, 2025, "Long-term chlorophyll a concentrations in Lake Balaton (2000–2024)", https://hdl.handle.net/21.15109/ARP/65ICX1, ARP, V1</biblCit></citation></docDscr><stdyDscr><citation><titlStmt><titl xml:lang="en">Long-term chlorophyll a concentrations in Lake Balaton (2000–2024)</titl><IDNo agency="handle">hdl:21.15109/ARP/65ICX1</IDNo></titlStmt><rspStmt><AuthEnty affiliation="HUN-REN Balaton Limnological Research Institute">Somogyi, Boglárka</AuthEnty></rspStmt><prodStmt/><distStmt><distrbtr source="archive">ARP</distrbtr><contact affiliation="HUN-REN Balaton Limnological Research Institute" email="somogyi.boglarka@blki.hu">Somogyi, Boglárka</contact><depositr>Somogyi, Boglárka</depositr><depDate>2025-03-31</depDate></distStmt><holdings URI="https://hdl.handle.net/21.15109/ARP/65ICX1"/></citation><stdyInfo><subject><keyword xml:lang="en">Earth and Environmental Sciences</keyword><keyword>chlorophyll a, Balaton</keyword></subject><abstract date="2025-03-31" xml:lang="en">This dataset contains chlorophyll a concentration values measured by the HUN-REN Balaton Limnological Research Institute at five sampling sites located in the four basins of Lake Balaton.</abstract><sumDscr/></stdyInfo><method><dataColl><sources/></dataColl><anlyInfo/></method><dataAccs><setAvail/><useStmt/><notes type="DVN:TOA" level="dv">Szerző megkeresése e-mailen (somogyi.boglarka@blki.hu).</notes></dataAccs><othrStdyMat><relPubl><citation><titlStmt><titl>Boglárka Somogyi, Huan Li, Kálmán Tapolczai, Attila W. Kovács, László G.-Tóth, Hajnalka Horváth, Krisztina Krassován, Andrea Fodor-Kardos, Lajos Vörös (2024) Regime shift in microalgal dynamics: Impact of water level changes on planktonic and benthic algal biomass. Science of The Total Environment, 929: 172351.</titl><IDNo agency="doi">https://doi.org/10.1016/j.scitotenv.2024.172351</IDNo></titlStmt><biblCit>Boglárka Somogyi, Huan Li, Kálmán Tapolczai, Attila W. Kovács, László G.-Tóth, Hajnalka Horváth, Krisztina Krassován, Andrea Fodor-Kardos, Lajos Vörös (2024) Regime shift in microalgal dynamics: Impact of water level changes on planktonic and benthic algal biomass. Science of The Total Environment, 929: 172351.</biblCit></citation><ExtLink URI="https://www.sciencedirect.com/science/article/pii/S004896972402494X?via%3Dihub"/></relPubl></othrStdyMat></stdyDscr><otherMat ID="f543860" URI="https://repo.researchdata.hu/api/access/datafile/543860" level="datafile"><labl>Balaton kl-a_2000-24.csv</labl><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">text/comma-separated-values</notes></otherMat><otherMat ID="f543861" URI="https://repo.researchdata.hu/api/access/datafile/543861" level="datafile"><labl>ReADME_chlorophyll.pdf</labl><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/pdf</notes></otherMat><otherMat ID="f543859" URI="https://repo.researchdata.hu/api/access/datafile/543859" level="datafile"><labl>ReADME_klorofill.pdf</labl><notes level="file" type="DATAVERSE:CONTENTTYPE" subject="Content/MIME Type">application/pdf</notes></otherMat></codeBook>