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Methane ebullition, sedimentation rates, organic matter quality and environmental parameters at small and shallow temperate Lake Windsborn, Germany in 2017 and 2018
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Methane ebullition, sedimentation rates, organic matter quality and environmental parameters at small and shallow temperate Lake Windsborn, Germany in 2017 and 2018

Leandra Stephanie Emilia Praetzel, Marcel Schmiedeskamp, Emily Balcom, Ulrike Berning-Mader, Friederike Ding, Christina Hackmann, Elvis Isacs, Maike Ischebeck, Fabian Lange, Anja Radermacher, …
PANGAEA
2020
DOI: https://doi.org/10.1594/pangaea.917518

Abstract

Aromatics/Polysaccharide peak ratio Aromatics/Polysaccharide peak ratio, normalized Austrian standards (OENorm B 4412 Calculated from weight loss after ignition at 450 °C Calculated, see reference(s) Carbon Carbon cycling Carbon, normalized Carbon/Nitrogen ratio Carbon/Nitrogen ratio, normalized Carbon/sulfur ratio Carbon/Sulfur ratio, normalized Cavity ringdown spectrometer, Picarro, G2201-i Cellulose/Polysaccharide peak ratio Cellulose/Polysaccharide peak ratio, normalized Clay minerals Climate change Date/time end Date/time start Depth comment DEPTH, sediment/rock Distance to shore ebullition Fats+Waxes+Lipids/Polysaccharide peak ratio Fats+Waxes+Lipids/Polysaccharide peak ratio, normalized Fourier-transformed infrared spectroscopy (Cary 670 FTIR Spectrometer, Agilent, Santa Clara, USA) Freeze-drying (Alpha 1-4 LPplus, Christ, Osterode, Germany) Gas chromatograph (8610 GC-TCD/FID, SRI Instruments, Torrance, USA) Grain Size HOBO RX 3000 Remote Monitoring Station Data Logger, S-15TMB-M006 12-Bit Temperature Smart Sensor (Onset Computer Corporation, Bourne, USA) HOBO RX 3000 Remote Monitoring Station Data Logger, S-BPB-CM50 Smart Barometric Pressure Sensor (Onset Computer Corporation, Bourne, USA) HOBO RX 3000 Remote Monitoring Station Data Logger, S-THB-M002 12-Bit Tempertaure/Relative Humidity Smart Sensor (Onset Computer Corporation, Bourne, USA) Humic acids/Polysaccharide peak ratio Humic acids/Polysaccharide peak ratio, normalized Inverse funnel traps (Wik et al., 2013) Iron Iron, normalized Isotope-ratio mass spectroscopy (Eurovector EA3000 coupled with Nu Instruments Nu Horizon, Hekatech, Wegberg, Germany) lakes LATITUDE Lignin/Polysaccharide peak ratio Lignin/Polysaccharide peak ratio, normalized LONGITUDE Loss on ignition Manganese Manganese, normalized Methane Methane emissions Methane, flux Methane, flux, normalized Methane, flux, standardized Multiple investigations Nitrogen Nitrogen, normalized Nitrogen/Phosphorus ratio Nitrogen/Phosphorus ratio, normalized Normalized OENorm L 1050 OENorm L 1061 Phenolics/Polysaccharide peak ratio Phenolics/Polysaccharide peak ratio, normalized Phosphorus Phosphorus, normalized porosity Pressure, air Pressure, total Proteins/Polysaccharide peak ratio Proteins/Polysaccharide peak ratio, normalized Sand Sediment Sedimentation rate, normalized sedimentation rates Sedimentation/accumulation rate Silt Site Solinst 3001 LTC Levelogger Edge (Georgetown, Canada) Station label Sulfur Sulfur, normalized Temperature, air Temperature, in rock/sediment Temperature, water Transect number Water content, sediment Wavelength dispersive X-ray fluorescence (WD-XRF ZSX Primus II, Rigaku, Tokyo, Japan δ13C δ13C, methane δ13C, normalized δ15N δ15N, normalized
To determine spatiotemporal variability of methane (CH4) ebullition and its drivers, we measured CH4 ebullition rates, sedimentation rates and characteristics of the sedimented material, sediment chemical and physical characteristics and environmental parameters at Lake Windsborn in 2017 and 2018. Measurements of CH4 ebullition were conducted bi-weekly from May to October 2017 and April to November 2018. Sedimentation rates were measured in 2018 in four-week intervals. Characteristics of the sedimented material were measured in 2017 and 2018. Sediment characteristics were measured in November 2017, spring 2018 and August 2019. Meterological parameters (temperature and air pressure) were constantly measured from a floating platform in the lake center.
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