Groundwater Methane in Northeastern Pennsylvania Attributable to Thermogenic Sources and Hydrogeomorphologic Migration Pathways
Li Y, Thelemaque NA, Siegel HG, Clark CJ, Ryan EC, Brenneis RJ, Gutchess KM, Soriano MA, Xiong B, Deziel NC, Saiers JE, Plata DL. Groundwater Methane in Northeastern Pennsylvania Attributable to Thermogenic Sources and Hydrogeomorphologic Migration Pathways. Environmental Science And Technology 2021, 55: 16413-16422. PMID: 34874708, DOI: 10.1021/acs.est.1c05272.Peer-Reviewed Original ResearchConceptsMethane levelsGroundwater methaneGroundwater aquifersNortheastern PennsylvaniaElevated methane levelsBasin brinesThermogenic methaneThermogenic sourceGroundwater samplesHydrocarbon signaturesWater typesDomestic wellsMethane measurementsMigration pathwaysMethane transportMethane concentrationMarcellus ShaleUnconventional oilGeospatial metricsUOG developmentElevated concentrationsGas developmentSystematic increaseAquiferMethaneAssessment of groundwater well vulnerability to contamination through physics-informed machine learning
Soriano M, Siegel H, Johnson N, Gutchess K, Xiong B, Li Y, Clark C, Plata D, Deziel N, Saiers J. Assessment of groundwater well vulnerability to contamination through physics-informed machine learning. Environmental Research Letters 2021, 16: 084013. DOI: 10.1088/1748-9326/ac10e0.Peer-Reviewed Original ResearchWell vulnerabilityLarge-scale problemsPhysics-informed machineGroundwater risk assessmentGroundwater contamination riskMetamodel predictionsShallow aquiferGroundwater resourcesChemical signaturesScale problemsAnthropogenic activitiesContaminant releaseContaminant sourcesQuality recordsNatural gas productionMarcellus ShaleHigh spatial resolutionUnconventional oilHousehold wellsNortheastern PennsylvaniaFuture impactGas developmentGeographic information systemNecessary numberPB model