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Berger, Stella A; Nejstgaard, Jens Christian; Beyer, Ute; Casper, Peter; Degebrodt, Monika; Eckert, Werner; Engelhardt, Christoph; Hornick, Thomas; Kirillin, Georgiy; Lentz, Maren; Mach, Elke; Mallok, Uta; Papke, Monika; Penske, Armin; Pinnow, Solveig; Rossberg, Reingard; Sachtleben, Michael; Sareyka, Jörg; Santaolalla, Gonzalo Idoate; Gessner, Mark O; Grossart, Hans-Peter (2021): TemBi 2014 mesocosm study: Summer storm impact on water chemistry and physics in Lake Stechlin. PANGAEA, https://doi.org/10.1594/PANGAEA.930971, In: Grossart, Hans-Peter; Hornick, Thomas; Berger, Stella A; Nejstgaard, Jens Christian; Monaghan, Michael T; Miki, Takashi; Giling, Darren P; Selmeczy, Géza B; Padisák, Judit; Kasprzak, Peter; Wurzbacher, Christian; Kirillin, Georgiy; Engelhardt, Christof; Gessner, Mark O (2021): TemBi 2014 mesocosm study - Impact of summer storms on long-term lake ecosystem dynamics. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.931002 (dataset in review)

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Abstract:
We simulated an experimental summer storm in large-volume (~1200 m3, ~16m depth) enclosures in Lake Stechlin by mixing deeper water masses from the meta- and hypolimnion into the mixed layer (epilimnion). The mixing included the disturbance of a deep chlorophyll maximum (DCM) which was present at the same time of the experiment in Lake Stechlin and situated in the metalimnion of each enclosure during filling. Water physical variables and water chemistry was monitored for 42 days after the experimental disturbance event. Mixing disrupted the thermal stratification, increasing concentrations of dissolved nutrients and CO2 and changing light conditions in the epilimnion. Mixing, thus, stimulated phytoplankton growth, resulting in higher particulate matter concentrations of carbon, nitrogen and phosphorous.
Keyword(s):
climate change; cyanobacteria; DCM; disturbance; enclosure; lake; mesocosm; summer storm; water chemistry; water physics
Related to:
Grossart, Hans-Peter; Hornick, Thomas; Berger, Stella A; Nejstgaard, Jens Christian; Monaghan, Michael T; Miki, Takashi; Giling, Darren P; Selmeczy, Géza B; Padisák, Judit; Kasprzak, Peter; Wurzbacher, Christian; Kirillin, Georgiy; Engelhardt, Christof; Gessner, Mark O (submitted): Extreme summer storms elicit algal blooms and shift long-term lake ecosystem dynamics.
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 01LC1501G: Bridging in Biodiversity Science
Federal Ministry of Education and Research (BMBF), grant/award no. 033L041B: Stickstofflimitation in Binnengewässern
Leibniz Association (Leibniz Association), grant/award no. SAW-2011-IGB-2: Climate driven Changes in Biodiversity of Microbiota
Coverage:
Latitude: 53.143300 * Longitude: 13.028100
Date/Time Start: 2014-08-04T00:00:00 * Date/Time End: 2014-09-16T00:00:00
Minimum DEPTH, water: 2.0 m * Maximum DEPTH, water: 16.0 m
Event(s):
Lake_Stechlin * Latitude: 53.143300 * Longitude: 13.028100 * Location: Germany * Method/Device: Enclosure experiment
Comment:
Further Principal Investigators:
CaCO3: Gessner, Mark
Particulate Inorganic Carbon: Gessner, Mark
Total Phosphorus: Gessner, Mark
Soluble Reactive Phosphorus: Gessner, Mark
Total Nitrogen: Gessner, Mark
Nitrate: Gessner, Mark
Nitite: Gessner, Mark
Ammonium: Gessner, Mark
Total Dissolved Nitrogen: Gessner, Mark
Dissolved Silicate: Gessner, Mark
Dissolved Organic Carbon: Gessner, Mark
Sodium: Casper, Peter
Potassium: Casper, Peter
Magnesium: Casper, Peter
Calcium: Casper, Peter
Chloride: Casper, Peter
Sulfate: Casper, Peter
Barometric pressure from LakeESP buoy: Gessner, Mark
Further Project information:
Core Facility grant; Award: GE 1775/2-1
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeGrossart, Hans-PeterGeocode
2Day of experimentDOEdayGrossart, Hans-Peter
3Oxygen/Nitrogen ratioO2/N2Grossart, Hans-Peter
4DescriptionDescriptionGrossart, Hans-PeterWater layer
5Mesocosm labelMeso labelGrossart, Hans-PeterLakeLab mesocosm number
6TreatmentTreatGrossart, Hans-Peter
7DEPTH, waterDepth watermGrossart, Hans-PeterGeocode
8Depth of Secchi Diskz(SD)mGrossart, Hans-PeterSecchi disk (SD)
9Alkalinity, totalATmmol(eq)/lBerger, Stella ATitration
10Carbon, total, particulateTPCµg/lBerger, Stella AELTRA-800 (0.3 µm GF-75 filters (Sterlitech))
11Calcium carbonateCaCO3µg/lBerger, Stella AInfralyt 50 (SAXON Junkalor GmbH), (0.3 µm GF-75 filters (Sterlitech))
12Carbon, inorganic, particulatePICµg/lBerger, Stella AInfralyt 50 (SAXON Junkalor GmbH), (0.3 µm GF-75 filters (Sterlitech))
13Carbon, organic, particulatePOCµg/lBerger, Stella ADifference derived from TPC and PIC
14Nitrogen, total, particulateTPNµg/lBerger, Stella APeroxodisulfate oxidation method; Flow-injection analyzer; 0.3 µm GF-75 filters (Sterlitech)
15Phosphorus, total particulateTPPµg/lBerger, Stella APeroxodisulfate oxidation method; Flow-injection analyzer; 0.3 µm GF-75 filters (Sterlitech)
16Phosphorus, totalTPµg/lBerger, Stella AFlow-injection analyzer
17Phosphorus, reactive solubleSRPµg/lBerger, Stella AFlow-injection analyzer (0.3 µm GF-75 prefiltered (Sterlitech))
18Nitrogen, totalTNµg/lBerger, Stella AFlow-injection analyzer
19Nitrate[NO3]-µg/lBerger, Stella AFlow-injection analyzer (0.3 µm GF-75 prefiltered (Sterlitech))
20Nitrite[NO2]-µg/lBerger, Stella AFlow-injection analyzer (0.3 µm GF-75 prefiltered (Sterlitech))
21Ammonium[NH4]+µg/lBerger, Stella AFlow-injection analyzer (0.3 µm GF-75 prefiltered (Sterlitech))
22Nitrogen, total dissolvedTDNµg/lBerger, Stella AFlow-injection analyzer
23Silicate, dissolvedDSi(OH)4µg/lBerger, Stella AAmmonium molybdate reaction (FIASTAR 5000), (0.3 µm GF-75 prefiltered (Sterlitech))
24Carbon, organic, dissolvedDOCmg/lBerger, Stella AHigh temperature combustion, infra-red detection (Shimadzu), (0.3 µm GF-75 prefiltered (Sterlitech))
25SodiumNa+mg/lBerger, Stella AIon chromatography (Dionex), (0.3 µm GF-75 prefiltered (Sterlitech))
26PotassiumK+mg/lBerger, Stella AIon chromatography (Dionex), (0.3 µm GF-75 prefiltered (Sterlitech))
27MagnesiumMg2+mg/lBerger, Stella AIon chromatography (Dionex), (0.3 µm GF-75 prefiltered (Sterlitech))
28CalciumCa2+mg/lBerger, Stella AIon chromatography (Dionex), (0.3 µm GF-75 prefiltered (Sterlitech))
29ChlorideCl-mg/lBerger, Stella AIon chromatography (Dionex), (0.3 µm GF-75 prefiltered (Sterlitech))
30Sulfate[SO4]2-mg/lBerger, Stella AIon chromatography (Dionex), (0.3 µm GF-75 prefiltered (Sterlitech))
31Temperature, waterTemp°CBerger, Stella AOxygen sensor, YSI6560
32OxygenO2mg/lBerger, Stella AOxygen sensor, YSI6560
33Oxygen saturationO2 sat%Berger, Stella AOxygen sensor, YSI6560
34Conductivity, electrolyticECµS/cmBerger, Stella AOxygen sensor, YSI6560
35Radiation, photosynthetically activePARµmol/m2/sBerger, Stella APAR sensor Li-193SA, LI-COR Inc.Surface
36Radiation, photosynthetically activePARµmol/m2/sBerger, Stella APAR sensor Li-193SA, LI-COR Inc.Subsurface
37Temperature, airTTT°CBerger, Stella AVaisala Weather station WXT520
38Pressure, technicalP techhPaBerger, Stella AVaisala Weather station WXT520Barometric pressure from LakeESP buoy
39pHpHGrossart, Hans-PeterCalculated using seacarb after Nisumaa et al. (2010)
40Fugacity of carbon dioxide in seawaterfCO2wµatmGrossart, Hans-PeterCalculated using seacarb after Nisumaa et al. (2010)
41Carbon dioxide, partial pressurepCO2µatmGrossart, Hans-PeterCalculated using seacarb after Nisumaa et al. (2010)
42Bicarbonate ion[HCO3]-µmol/kgGrossart, Hans-PeterCalculated using seacarb after Nisumaa et al. (2010)
43Carbonate ion[CO3]2-µmol/kgGrossart, Hans-PeterCalculated using seacarb after Nisumaa et al. (2010)
44Carbon dioxideCO2µmol/kgGrossart, Hans-PeterCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
10528 data points

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