Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 University of Basel https://www.unibas.ch/de https://ror.org/02s6k3f65 Zopfi Jakob jakob.zopfi@unibas.ch 0000-0002-8437-7344 University of Basel https://www.unibas.ch/de https://ror.org/02s6k3f65 Lepori Fabio 0000-0002-6438-9452 University of Applied Sciences and Arts of Southern Switzerland https://ror.org/05ep8g269 Su Guangyi guangyi.su@unibas.ch University of Basel https://www.unibas.ch/de https://ror.org/02s6k3f65 Giglio Elena egiglio@bluewin.ch University of Basel https://www.unibas.ch/de https://ror.org/02s6k3f65 Frey Claudia claudia.frey@unibas.ch https://duw.unibas.ch/de/bgc/team/frey/ 0000-0002-3544-3800 University of Basel https://www.unibas.ch/de https://ror.org/02s6k3f65 Lehmann Moritz F moritz.lehmann@unibas.ch 0000-0003-0626-5942 University of Basel https://www.unibas.ch/de https://ror.org/02s6k3f65 2025 Profiles of N, Fe, Mn and S compounds - concentrations and isotopes in the water column of the Lake Lugano North Basin, Switzerland dataset https://doi.org/10.1594/PANGAEA.977623 2025-06-16T10:27:34 We investigated the water column of the meromictic Lake Lugano North Basin, Switzerland, during 12 sampling campaigns between 2015 and 2018. At the deepest point of the lake, we sampled water between 75 and 165 m depth using Niskin bottles, and analyzed concentrations of N, S, and Fe species as well as isotope characteristics of nitrate. Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Lehmann Moritz F moritz.lehmann@unibas.ch 0000-0003-0626-5942 Su Guangyi guangyi.su@unibas.ch Lepori Fabio 0000-0002-6438-9452 Zopfi Jakob jakob.zopfi@unibas.ch 0000-0002-8437-7344 preprint Microbial nitrogen removal versus recycling in the redox transition zone of a meromictic lake and its coupling to sulfur journal article https://doi.org/10.1101/2025.01.03.627289 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Zopfi Jakob jakob.zopfi@unibas.ch 0000-0002-8437-7344 Frey Claudia claudia.frey@unibas.ch https://duw.unibas.ch/de/bgc/team/frey/ 0000-0002-3544-3800 Venetz Jessica 0000-0002-9654-0532 Giglio Elena egiglio@bluewin.ch Burgdorfer Lukas Rehmann Oliver Wankel Scott D Lehmann Moritz F moritz.lehmann@unibas.ch 0000-0003-0626-5942 preprint Nitrogen and oxygen isotope effects during enzymatic nitrate reduction in vitro and by natural lake water consortia journal article https://doi.org/10.1101/2025.03.29.645582 9.020806 9.020806 46.010472 46.010472 9.020806 46.010472 2015-02-17T10:30:00 2018-04-25T15:00:00 0.4 284.0 profile series Swiss National Science Foundation SNF http://www.snf.ch/en/ https://doi.org/10.13039/501100001711 153055 Seasonal Dynamics of fixed N elimination and its coupling with Sulfur and Carbon Cycling in the Redox Transition Zones of Lake Lugano https://data.snf.ch/grants/grant/153055 LakeLugano 46.010472 9.020806 Switzerland 2015-02-17T10:30:00 2018-04-25T15:00:00 Multiple investigations MULT 12 sampling campaigns between 2015 and 2018 2059 CC-BY-4.0 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ DATE/TIME Date/Time http://en.wikipedia.org/wiki/ISO_8601 Time T http://dbpedia.org/resource/Time Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Start timepoint of sampling Date/Time (Start timepoint of sampling) DATE/TIME Date/Time http://en.wikipedia.org/wiki/ISO_8601 Time T http://dbpedia.org/resource/Time Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 End timepoint of sampling Date/Time (End timepoint of sampling) DEPTH, water Depth water m depth http://purl.obolibrary.org/obo/PATO_0001595 water http://purl.obolibrary.org/obo/CHEBI_15377 Length L http://dbpedia.org/resource/Length Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Depth water [m] Iron, dissolved Fe diss µmol/l dissolved http://purl.obolibrary.org/obo/PATO_0001986 Molar Concentration ICP-MS, Spectro Ciros Vision (2015), ICP-OES, Agilent Technologies (2017) Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Fe diss [µmol/l] (ICP-MS, Spectro Ciros Vision ...) Iron, particulate Fe part µmol/l particulate Molar Concentration ICP-MS, Spectro Ciros Vision (2015), ICP-OES, Agilent Technologies (2017) Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Fe part [µmol/l] (ICP-MS, Spectro Ciros Vision ...) Manganese, dissolved Mn diss µmol/l manganese Mn https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:18291 dissolved http://purl.obolibrary.org/obo/PATO_0001986 Molar Concentration ICP-MS, Spectro Ciros Vision (2015), ICP-OES, Agilent Technologies (2017) Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Mn diss [µmol/l] (ICP-MS, Spectro Ciros Vision ...) Manganese, particulate Mn part µmol/l manganese Mn https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:18291 particulate Molar Concentration ICP-MS, Spectro Ciros Vision (2015), ICP-OES, Agilent Technologies (2017) Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Mn part [µmol/l] (ICP-MS, Spectro Ciros Vision ...) Nitrate [NO3]- µmol/l nitrate http://purl.obolibrary.org/obo/CHEBI_17632 Molar Concentration Chemiluminescence detection of NO, Vanadium(III) method (Braman and Hendrix 1989) https://doi.org/10.1021/ac00199a007 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 [NO3]- [µmol/l] (Chemiluminescence detection o...) Nitrite [NO2]- µmol/l nitrite http://purl.obolibrary.org/obo/CHEBI_16301 Molar Concentration Photometrical detection, Griess reagent method (Hansen and Koroleff 1999) https://doi.org/10.1002/9783527613984.ch10 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 [NO2]- [µmol/l] (Photometrical detection, Grie...) Ammonium [NH4]+ µmol/l ammonium http://purl.obolibrary.org/obo/CHEBI_28938 Molar Concentration Photometrical detection, Phenol method (Hansen and Koroleff 1999) https://doi.org/10.1002/9783527613984.ch10 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 [NH4]+ [µmol/l] (Photometrical detection, Phen...) Hydrogen sulfide H2S µmol/l hydrogen sulfide http://purl.obolibrary.org/obo/CHEBI_16136 Molar Concentration HPLC, Fluorescence detection, monobromobimane method (Fahey and Newton 1987) https://doi.org/10.1016/0076-6879(87)43016-4 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 H2S [µmol/l] (HPLC, Fluorescence detection,...) Hydrogen sulfide H2S µmol/l hydrogen sulfide http://purl.obolibrary.org/obo/CHEBI_16136 Molar Concentration Photometer, methylene blue (Cline, 1969) https://doi.org/10.4319/lo.1969.14.3.0454 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 H2S [µmol/l] (Photometer, methylene blue (C...) Sulfur, elemental S° µmol/l sulfur Molar Concentration Reversed phase high performance liquid chromatography (RP-HPLC) (Zopfi et al. 2008) https://doi.org/10.1016/j.gca.2007.11.031 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 S° [µmol/l] (Reversed phase high performan...) Thiosulfate S2O3 µmol/l thiosulfate http://purl.obolibrary.org/obo/CHEBI_26977 Molar Concentration HPLC, Fluorescence detection, monobromobimane method (Fahey and Newton 1987) https://doi.org/10.1016/0076-6879(87)43016-4 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 S2O3 [µmol/l] (HPLC, Fluorescence detection,...) Sulfite [SO3]2- µmol/l https://en.wikipedia.org/wiki/Sulfite sulfite http://purl.obolibrary.org/obo/CHEBI_17359 Molar Concentration HPLC, Fluorescence detection, monobromobimane method (Fahey and Newton 1987) https://doi.org/10.1016/0076-6879(87)43016-4 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 [SO3]2- [µmol/l] (HPLC, Fluorescence detection,...) Sulfate [SO4]2- µmol/l sulfate http://purl.obolibrary.org/obo/CHEBI_16189 Molar Concentration Ion chromatography (940 Professional IC Vario, Metrohm) Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 [SO4]2- [µmol/l] (Ion chromatography (940 Profe...) Methane CH4 µmol/l methane http://purl.obolibrary.org/obo/CHEBI_16183 Molar Concentration Gas chromatograph (8610C, SRI Instruments, Torrance, USA) Su Guangyi guangyi.su@unibas.ch CH4 [µmol/l] (Gas chromatograph (8610C, SRI...) Nitrate/δ15N ratio [NO3]-/δ15N nitrate http://purl.obolibrary.org/obo/CHEBI_17632 δ15N http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes ratio GC-IRMS, denitrifier method (Sigman et al. 2001) https://doi.org/10.1021/ac010088e Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 [NO3]-/δ15N (GC-IRMS, denitrifier method (...) Nitrate/δ18O ratio [NO3]/-δ18O nitrate http://purl.obolibrary.org/obo/CHEBI_17632 δ18O http://en.wikipedia.org/wiki/List_of_elements_by_stability_of_isotopes ratio GC-IRMS, denitrifier method (Sigman et al. 2001) https://doi.org/10.1021/ac010088e Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 [NO3]/-δ18O (GC-IRMS, denitrifier method (...) Nitrate [NO3]- µmol/l nitrate http://purl.obolibrary.org/obo/CHEBI_17632 Molar Concentration Ion Chromatograph, Thermo Fisher Scientific, Integrion, IC-1100 Tischer Jana jana.tischer@unibas.ch 0000-0001-8375-5705 Whole water column; These data were collected within the limnological campaign on Lake Lugano funded by the International Commission for the Protection of Italian-Swiss Waters (CIPAIS) [NO3]- [µmol/l] (Whole water column; These dat...) CurationLevelC Enhanced curation https://wiki.pangaea.de/wiki/Curation_levels citable 15N-tracer anammox anoxic hypolimnion Denitrification dissimilatory nitrate reduction to ammonium Lake meromixis nitrate Nitrate isotopes nitrate reduction nitrification Nitrogen nitrogen cycle nitrogen isotopes oxycline Sulfur sulfur cycle water column author109995 author109996 author110375 author110376 author110377 author37831 author39222 author58599 author60572 author68926 author81354 award1233 curlevel30 event3224693 funder20720 geocode1599 geocode1600 geocode1601 geocode1619 inst21115 inst22004 license21 method10667 method14105 method14395 method14398 method14399 method14401 method14402 method14439 method14440 method17647 method17648 method5055 param150351 param161892 param161893 param181349 param2267 param510150 param510151 param512592 param52 param538771 param538772 param54287 param54288 param756 param757 pi109995 pi58599 ref132377 ref132551 term1073092 term1073093 term1073131 term1073173 term1073219 term1073482 term1073483 term1073493 term1073620 term1073626 term1073771 term1097653 term21461 term2606205 term2663825 term38338 term38521 term40685 term43863 term43975 term44030 term47704 term49043 term49276 term49592 term49806 term50473 term50826 term53217 term69067 term69068 term69890 term70064 term70477 term70482 term72906 term75818 term75819 term75820 topotype5