11.12.17

Master in Environmental Geoscience (MSc GSE)

Estimation of snow cover patterns in the Swiss Alps by remote sensing Contactpersons:GregoireMariethoz,MathieuGraveyContextSnowcoverextentanddurationarekeyenvironmentalvariablesinalpineenvironments.Theycontrolprocessessuchasthehydrologyofalpinecatchmentsandthedistributionanddiversityofplantspecies.However,obtainingmapsofsnowisverydifficult.In-situdataaredifficulttoacquireininaccessibleareas.Remotesensingobservationsofferapromisingalternative,especiallybecausesnowisrelativelyeasytodetectonsomemultispectralsatelliteproducts.However,itisdifficulttoobtainlongtimeseriesofsnowcoveranddurationbecausesatelliteimagesareveryinfrequentbeforeabout2013.Thisprojectaimsatgeneratingsuchlongtimeseriesbyusingthefrequentobservationsmadebydifferentsatelliteslaunchedafter2013,andpropagatingtheseobservationsinthepastbasedonclimaticobservationsthatareavailablesince1981.Objectivesandmethods8linesmaximumRelatedtocourses:RemoteSensingofEarthSystemsNumericalmodelingintheenvironmentalsciences:fromresearchtopracticeIntroductiontoMatlabLiteratureAndreasJuergenDietz,ClaudiaKuenzer,UrsulaGessner&StefanDech(2012):Remotesensingofsnow–areviewofavailablemethods,InternationalJournalofRemoteSensing,33:13,4094-4134Tolinktothisarticle:http://dx.doi.org/10.1080/01431161.2011.640964FreekVanderMeer(2012)Remote-sensingimageanalysisandgeostatistics,InternationalJournalofRemoteSensing,33:18,5644-5676,DOI:10.1080/01431161.2012.666363http://dx.doi.org/10.1080/01431161.2012.666363

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