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1、ForestEcologyandManagement258(2009)2163–2174ContentslistsavailableatScienceDirectForestEcologyandManagementjournalhomepage:www.elsevier.com/locate/forecoAnovelapproachinmodel-basedmappingofsoilwaterconditionsatforestsitesa,*,Karl-HeinzFegeraaaKaiSchwa¨rzel,JanetHa¨ntzsc
2、hel,AlexanderMenzer,bbbbUweSpank,FalkoClausnitzer,BarbaraKo¨stner,ChristianBernhoferaInstituteofSoilScienceandSiteEcology,TechnischeUniversita¨tDresden,PiennerStr.19,D-01737Tharandt,GermanybInstituteofHydrologyandMeteorology,TechnischeUniversita¨tDresden,PiennerStr.23,D
3、-01737Tharandt,GermanyARTICLEINFOABSTRACTArticlehistory:Knowledgeofsite-specificwaterconditionsisimportantinforestlandevaluationandfundamentalforaReceived28July2008sustainableforestmanagement.InCentralEurope,traditionalsitemappinghasfollowedanintegratedReceivedinrevisedf
4、orm16March2009ecologicalapproach.TheassessmentofsoilwateravailabilityisbasedonoverlayingreliefandAccepted22March2009descriptivesoilinformation.Itisarelativesystemreferringtoan(hypothetical)equilibriumbetweenrelief-dependentsoilconditionsandthepotentialnaturalforestassoc
5、iationatagivenregionalclimate.Keywords:Accordingly,theclimaticsettingsaresupposedtobeconstantandaremostlybasedonlong-termmeansForestsitemappingofprecipitationandairtemperature.However,long-termclimatechanges,aswellasinfrequentclimaticForestsiteevaluationextremeshavenotb
6、eenconsideredadequately.Furthermore,thefeedbackofforestmanagementitselfForestclimatologySoilwatermodellingonavailablesoilwatercannotbeaddressed.Toovercometheseshortcomings,wedevelopedanEco-hydrologyapproachinwhichthesoilhydrologicalmodelLWF-BROOK90isorganizedinaGIS-fram
7、etosimulatetheHydropedologydailywaterfluxesandsoilmoisturestatus.Spatiallydistributedmeteorologicalinputdataisgeneratedfromlong-termstationdatausingspecialregionalizationprocedures.Modelparameterizationforsoilphysicalpropertiesbyhorizonarederivedfromdetailedforestsoilmap
8、susingpedotransferfunctions.Thus,weobtaineddataonallcomponentsofthewaterbalancedependingonclimate,aspect,slope
