Detection of Melt Ponds on Arctic Sea Ice with Optical Satellite Data

120 Pages·2013·8.51 MB·English

by  Anja Rösel (auth.)

International Max Planck Research School for Maritime Affairs 5
2
at the University of Hamburg

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International Max Planck Research School (IMPRS)
for Maritime Affairs
at the University of Hamburg
Forfurthervolumes:
http://www.springer.com/series/6888
Hamburg Studies on Maritime Affairs
Volume 25
Edited by
Ju¨rgen Basedow
MonikaBreuch-Moritz
PeterEhlers
HartmutGraßl
TatianaIlyina
Florian Jeßberger
Lars Kaleschke
Hans-JoachimKoch
Robert Koch
DorisKo¨nig
RainerLagoni
Gerhard Lammel
UlrichMagnus
PeterMankowski
Stefan Oeter
MarianPaschke
ThomasPohlmann
UweSchneider
DetlefStammer
Ju¨rgen Su¨ndermann
Ru¨digerWolfrum
WilfriedZahel
Anja Ro¨sel
Detection of Melt Ponds
on Arctic Sea Ice
with Optical Satellite Data
123
AnjaRo¨sel
InstituteofOceanography
UniversityofHamburg
Hamburg
Germany
Erstgutachter:Prof.Dr.LarsKaleschke
Zweitgutachter:Prof.Dr.DetlefStammer
Tagdermu¨ndlichenPru¨fung:28.06.2012
ISSN1614-2462 ISSN1867-9587(electronic)
ISBN978-3-642-37032-8 ISBN978-3-642-37033-5(eBook)
DOI10.1007/978-3-642-37033-5
SpringerHeidelbergNewYorkDordrechtLondon
LibraryofCongressControlNumber:2013939063
(cid:2)c Springer-VerlagBerlinHeidelberg2013
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Preface
ThisbookisbasedonmydissertationwhichIwroteattheInstituteofOceanography
oftheUniversityofHamburgunderthesupervisionofProf.Dr.LarsKaleschke.The
dissertationwasacceptedbytheDepartmentofGeosciencesin2012.
I started my work in November 2008 with the intention to use the now freely
accessiblehugeLandsatsatelliteimageryarchivetodetectmeltpondsontheArctic
sea ice surface. It turned out that this archive consists mainly of scenes covering
landscapeandnottheoceansurface.Additionally,mostofthefewavailablescenes
werenotusableforamultispectralclassificationduetoover-saturationofthesensor.
ThereforeI had to look for alternative sensors. I decided to use aquisitions of the
MODISsensor—theyhaveacoarserspatialresolutionthanthosefromtheLandsat
sensor,butprovideafullcoverageoftheArcticregiononadailybasis.
Despite the technical problems at the beginning of my studies, I was able to
submitmy dissertation in March 2012.My work was enabledby a scholarshipof
theInternationalMaxPlanckResearchSchoolforMaritimeAffairs.
Hamburg,Germany AnjaRo¨sel
December2012
vii

Acknowledgments
I thank my academic advisor Prof. Dr. Lars Kaleschke for his supervision and
constructive discussions during my work at the Institute of Oceanography at the
UniversityofHamburg.IamgratefulfortheopportunitytodevelopmyPh.D.thesis
inhisseaicegroup.
My special thanksare given to all the actual and former memberscontributing
to this group for their willingness to discuss my work and to provide scientific,
technical,andpersonalsupport.
MythanksgonamelytomycolleaguesandfriendsAntje,Nina,Steffen,Freddy,
Iris, Meike D., Meike S., Stefan, Marketa, Martin S., Martin G., Alex, David,
Remon, Xiangshan, Amelie, and Frauke for their collegiality, friendship, and the
cheerfultimewespentattheinstituteandinoursparetime.
IthankDonaldK.PerovichfromCRRELforprovidingtheHOTRAXmeltpond
dataandFlorenceFettererfromNSIDCforhereffortsinprovidingmoremeltpond
statistics.GeritBirnbaum,WolfgangDierking,ChristofLu¨pkes,andJo¨rgHartmann
fromtheAWIparticipatedintheMELTEXaircraftcampaignin2008andprovided
usefulinformationforourstudy.
ThisworkwasfundedbyascholarshipoftheInternationalMaxPlanckResearch
Schoolfor Maritime Affairsin Hamburg.Additionalsupportwas providedby the
Cluster of ExcellenceCliSAP (EXC177),University of Hamburg,fundedthrough
theGermanScienceFoundation(DFG).
Finally,Iwantto givespecialthankstomyfamilyandto myhusbandfortheir
loveandencouragement.
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