文档介绍：
boesimeatwsceeodmeecomr
11JOURNALCF
ScienceDirectSEDIMENT
RESEARCH
ranaeseet
ELSERInenatonilJnunaloliedneetfesesch工03
Assessingdominantfactorsaffectingsoilerosionusing
aportablerainfallsimalator
Abstrae
Investgatingtheuusesofsoilemsionydficaltnnatunlcondiionsovingedepmsereeof
erReor、Wioutsinplibingthecwpenimentlcondiionssudyingsolbehaerwit诊
emorouspanmeierwhiceonsdeinghelorsuchsepetatoncowenpognplyandninll
dificullandinmestconditonsinpossthkcThepplcaionfimulatonappeedessderfor
weceseryesinpliyhepmobpeInlseamshleefftctofphysicdlsheorstch芸
evureandantecedontsoilmoitunalongwithindslopeandegetioncoverweeealatedi
HheTaletlanwatemhedInnusingaintallsinuliorandollomsionplogForthispumose3晖
*20nminfalsimulaorpmdung45and32hninfallintensiiesof30minduntion4
commonconditonoftesudyssawesused虹M4ecatonsoversoieoionFleswit
dinensionsof95x125cmPleshadslopectsses1220and2030%diferatsnllexures
diferntantccedentsoimoistursandmediunepoorvepeaoncovercondiionsIwasfund
Matlbr245and32vhrintillingesiiesliesedimentyildadeheonelitonsof0771and
0796wvegeationcowerandsihtconeliionsef0045and0029witndseperespeetvely
Regesioneguatonsprpedicinghsedimontyieldwercalodovclopedbrdiferatcontiion
KeyWordaRainfalsimulatorSoilemsionSoilphysicalpanmeiersVeteutoncoverTalctan
watentedInn
1Introduction
BecauseofpopolatongrowthinmostcountiestheagricultaluseofuplendareasiinereasingTo
mectimmediatefooddenandi,Inmershaveexpandedproductioniniomarginallands,whichare
walneribleareassusceptibleIoenvionmentldegridationdueIointcnsifedimingandgnzing
DestruetionofvegetativecoverinIranIasledIineresedwaterandwinderosionandreqtied
streuousfionstostabiizeseeplandsandformeddunesTheareaofabondonedaniblelandinranhas
doubledinzecentyearsandhenumberofjveslockongrzingands认esfimaledlobewololreenes
thecamingeapacigNRCE,1992、Aceeleriederosionitheresultofbvofictorimproper
ImanagementofproductivesoitandexpleiationofmarginallandsDregne1982ibothreasonsrelateto
usingandswithoutconsideringtheirsuiabiitgInrecentyearsthesoile