<?xml version="1.0" encoding="UTF-8"?><!--*** Generated from internal PANGAEA metadata schema by dif.xslt ***--><DIF xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.4.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/">
<Entry_ID>PANGAEA_917518</Entry_ID>
<Entry_Title>Methane ebullition, sedimentation rates, organic matter quality and environmental parameters at small and shallow temperate Lake Windsborn, Germany in 2017 and 2018</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>Praetzel, Leandra Stephanie Emilia; Schmiedeskamp, Marcel; Balcom, Emily; Berning-Mader, Ulrike; Ding, Friederike; Hackmann, Christina; Isacs, Elvis; Ischebeck, Maike; Lange, Fabian; Radermacher, Anja; Rieke, Laura Isabelle; Wilkes, Theresa; Wulfing, Sophie; Knorr, Klaus-Holger</Dataset_Creator>
<Dataset_Title>Methane ebullition, sedimentation rates, organic matter quality and environmental parameters at small and shallow temperate Lake Windsborn, Germany in 2017 and 2018</Dataset_Title>
<Dataset_Release_Date>2020-05-18</Dataset_Release_Date>
<Dataset_Publisher>PANGAEA</Dataset_Publisher>
<Data_Presentation_Form>Dataset</Data_Presentation_Form>
<Online_Resource>https://doi.pangaea.de/10.1594/PANGAEA.917518</Online_Resource>
</Data_Set_Citation>
<Personnel>
<Role>Investigator</Role>
<First_Name>Leandra Stephanie Emilia</First_Name>
<Last_Name>Praetzel</Last_Name>
<Email>leandra.praetzel@uni-muenster.de</Email>
</Personnel>
<Discipline>
<Discipline_Name>Earth Science</Discipline_Name>
</Discipline>
<Parameters>
<Detailed_Variable>Station label</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Site</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LATITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LONGITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Transect number</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Depth comment</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>DEPTH, sediment/rock</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Distance to shore</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Date/time start</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Date/time end</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Methane, flux</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Methane, flux, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Methane, flux, standardized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>δ13C, methane</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Methane</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sedimentation/accumulation rate</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sedimentation rate, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carbon</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carbon, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Nitrogen</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Nitrogen, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carbon/Nitrogen ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carbon/Nitrogen ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>δ13C</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>δ13C, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>δ15N</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>δ15N, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lignin/Polysaccharide peak ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lignin/Polysaccharide peak ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Phenolics/Polysaccharide peak ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Phenolics/Polysaccharide peak ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Humic acids/Polysaccharide peak ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Humic acids/Polysaccharide peak ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Proteins/Polysaccharide peak ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Proteins/Polysaccharide peak ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aromatics/Polysaccharide peak ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aromatics/Polysaccharide peak ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Fats+Waxes+Lipids/Polysaccharide peak ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Fats+Waxes+Lipids/Polysaccharide peak ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cellulose/Polysaccharide peak ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cellulose/Polysaccharide peak ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Phosphorus</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Phosphorus, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sulfur</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sulfur, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Manganese</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Manganese, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Iron</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Iron, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Pressure, air</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Temperature, in rock/sediment</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Temperature, air</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Temperature, water</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Clay minerals</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Silt</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sand</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Water content, sediment</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carbon/sulfur ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carbon/Sulfur ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Nitrogen/Phosphorus ratio</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Nitrogen/Phosphorus ratio, normalized</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Loss on ignition</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Porosity</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Pressure, total</Detailed_Variable>
</Parameters>
<ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
<Keyword>Carbon cycling</Keyword>
<Keyword>Climate change</Keyword>
<Keyword>ebullition</Keyword>
<Keyword>Grain Size</Keyword>
<Keyword>lakes</Keyword>
<Keyword>Methane emissions</Keyword>
<Keyword>Multiple investigations</Keyword>
<Keyword>porosity</Keyword>
<Keyword>Sediment</Keyword>
<Keyword>sedimentation rates</Keyword>
<Keyword>Windsborn_Crater_Lake</Keyword>
<Sensor_Name>
<Long_Name>Inverse funnel traps (Wik et al., 2013)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Normalized</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Cavity ringdown spectrometer, Picarro, G2201-i</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Gas chromatograph (8610 GC-TCD/FID, SRI Instruments, Torrance, USA)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Isotope-ratio mass spectroscopy (Eurovector EA3000 coupled with Nu Instruments Nu Horizon, Hekatech, Wegberg, Germany)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Calculated, see reference(s)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Fourier-transformed infrared spectroscopy (Cary 670 FTIR Spectrometer, Agilent, Santa Clara, USA)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Wavelength dispersive X-ray fluorescence (WD-XRF; ZSX Primus II, Rigaku, Tokyo, Japan)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>HOBO RX 3000 Remote Monitoring Station Data Logger, S-BPB-CM50 Smart Barometric Pressure Sensor (Onset Computer Corporation, Bourne, USA)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>HOBO RX 3000 Remote Monitoring Station Data Logger, S-15TMB-M006 12-Bit Temperature Smart Sensor (Onset Computer Corporation, Bourne, USA)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>HOBO RX 3000 Remote Monitoring Station Data Logger, S-THB-M002 12-Bit Tempertaure/Relative Humidity Smart Sensor (Onset Computer Corporation, Bourne, USA)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Austrian standards (OENorm B 4412; OENorm L 1050; OENorm L 1061)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Freeze-drying (Alpha 1-4 LPplus, Christ, Osterode, Germany)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Calculated from weight loss after ignition at 450 °C</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Solinst 3001 LTC Levelogger Edge (Georgetown, Canada)</Long_Name>
</Sensor_Name>
<Temporal_Coverage>
<Start_Date>2017-05-16</Start_Date>
<Stop_Date>2018-11-20</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>Complete</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>50.08485499</Southernmost_Latitude>
<Northernmost_Latitude>50.08569201</Northernmost_Latitude>
<Westernmost_Longitude>6.774935005</Westernmost_Longitude>
<Easternmost_Longitude>6.776571991</Easternmost_Longitude>
<Minimum_Depth>0.044786127 m (DEPTH, sediment/rock)</Minimum_Depth>
<Maximum_Depth>1.447754509 m (DEPTH, sediment/rock)</Maximum_Depth>
</Spatial_Coverage>
<Access_Constraints>unrestricted</Access_Constraints>
<Use_Constraints>CC-BY-4.0: Creative Commons Attribution 4.0 International</Use_Constraints>
<Data_Set_Language>English</Data_Set_Language>
<Data_Center>
<Data_Center_Name>
<Short_Name>PANGAEA</Short_Name>
<Long_Name>Data Publisher for Earth &amp; Environmental Science</Long_Name>
</Data_Center_Name>
<Data_Center_URL>https://www.pangaea.de/</Data_Center_URL>
<Personnel>
<Role>Data Center Contact</Role>
<First_Name>Michael</First_Name>
<Last_Name>Diepenbroek</Last_Name>
<Email>info@pangaea.de</Email>
<Contact_Address>
<Address>Leobener Str.</Address>
<City>Bremen</City>
<Province_or_State>Bremen</Province_or_State>
<Postal_Code>28359</Postal_Code>
<Country>Germany</Country>
</Contact_Address>
</Personnel>
</Data_Center>
<Distribution>
<Distribution_Media>online</Distribution_Media>
<Distribution_Size>16553 data points</Distribution_Size>
<Distribution_Format>text/tab-separated-values</Distribution_Format>
</Distribution>
<Reference>Praetzel, Leandra Stephanie Emilia; Schmiedeskamp, Marcel; Knorr, Klaus-Holger (2021): Temperature and sediment properties drive spatiotemporal variability of methane ebullition in a small and shallow temperate lake. Limnology and Oceanography, 66(7), 2598-2610, https://doi.org/10.1002/lno.11775</Reference>
<Reference>FTIR baseline corrected (URI: https://store.pangaea.de/Publications/Praetzel-etal_2020/FTIR_baseline_corrected.xlsx)</Reference>
<Summary>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. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.917518"!</Summary>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LATITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LONGITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_8601</URL>
<Description>Date/time end</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_8601</URL>
<Description>Date/time start</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/Loss_on_ignition</URL>
<Description>Loss on ignition</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/Porosity</URL>
<Description>Porosity</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.1002/jgrg.20103</URL>
<Description>Inverse funnel traps (Wik et al., 2013)</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.1002/lno.11775</URL>
<Description>Temperature and sediment properties drive spatiotemporal variability of methane ebullition in a small and shallow temperate lake</Description>
</Related_URL>
<Related_URL>
<URL>https://store.pangaea.de/Publications/Praetzel-etal_2020/FTIR_baseline_corrected.xlsx</URL>
<Description>FTIR baseline corrected</Description>
</Related_URL>
<Metadata_Name>DIF</Metadata_Name>
<Metadata_Version>9.4</Metadata_Version>
<DIF_Creation_Date>2020-05-18</DIF_Creation_Date>
<Last_DIF_Revision_Date>2026-04-02</Last_DIF_Revision_Date>
</DIF>
