農業(yè)水資源-文庫吧資料
2025-01-05 03:01本頁面
【正文】 riety gene can be selected for controlling higher transpiration.n Wheat： 418 636 Shixin733 n Corn： Zhengdan958， Laiyu2， Yedan20 LeafAtmosphereoptioswatervarietiesofphysologicalcontrolIA=++(Rs+Tr)+ 綜合分值 品種 最高產量 WUE 蒸騰強度 氣孔阻力 葉水勢 抗旱系數 加權平均 占 最大 位次 6203 3 6172 2 萊 3279 5 4185 7 6365 1 煙優(yōu) 361 6 9905 4 MeasurementsexploitationprecipitationThroughfullinterfacevarieties(Airleaf)mulching(Airsoil)Uptaking(Soilroot)++DecreasewaterSystemsATMCROPSoilG SPACRunoff InfiltrationLateral FlowSoil Layer 1Soil Layer nEvaporationTranspirationInterceptionOverstoreyUnderstoreyTranspirationGround SurfaceSoil moistureETseepageWater balance+groundwaterComplexityrechargeVariationwatertensionchangeuptakemovementnWatermatrixGroundwater EvapotranspirationntionEvaporationTranspirationRootwaterwaterevaporationPhysicalinfiltrationheatwaterdepthSoilofandsemidiameterRootwaterpotentialStomatalheightLeafofPrecipitationVegetationInterceptionAlbedoBiomassLAISpatialandofspeedTemperature,DirectEnergyTransferAtmosphereRadiationPARReflectivedroughttranspirationstomauseyieldWUE:synthesisYm:ecologicalphysiological2. interface control of water fluxes IGBP BAHC, 1997Expanded “SPAC” Basic equation:Boundaries: Air and aquifer To couple air water and groundwater IA=++(Rs+Tr)+subsystemsofwater(五水轉化 ),PVRSG n = 5， bination = 1：(4)VPRG(植物對三水轉化的影響 )；(2)PRSV(四水轉化 )； (5)RS(土壤水對徑流影響 )(4)PV(植物截留降水 )；(3)PG(地下水降水補給 )； (2)PS(有效降水 )；(1)PR(降雨徑流 )； 10:bination=watersubsystemhydrostatesAAirPlantSoilAquifer SurfacePVRGS water cycle / five water interactions AwaterirrigationfluctuatedSciences)groundwaterAcademyfromdataSystemTerrestrialofaChinathe(locatedNationaltherecordedhasgroundwaterdatatofrom(theResources)pofChinesefromChina(data20231997averagedgroundwaterNCPseverLetters. Groundwater depletion a worldwide issueThe NCP is one of the four regions which have serious issues of groundwater depletionNCPGroundwaterGeophysicaleta?1).(mmyearforMiddleandandEurope,theregionsin90%.The streamflow into Bohai sea in the last half centuryGroundwaterdecreasedtoyearsduring1960skm3fromdecreasedthecentury.Annuallastseathestreamflowdecreasetheleadtheconsumptionincreasedinwithout82Northernhitrecord60Main Water issues: Climate change InnationalbytofromannualchangeChinaAttribution: impact of precipitation declinepinthanmoreChinainNCPanChinayearslast℃ increase:Main Water issues: Rapid development Irrigated area in NCP from 1949 to 2023Attribution: Climate change impact as warming uppetChinadensityMain Water issues: Rapid development Water stress from increased water demand: increased water consumption per capita.pwaterofMajorwaterofresourcesAnnual evapotraspiratiom in mmAverage annual evapotrnspiration from 1951 to 2023 calculated by the Budyko hypothesis.pMajorChina’sfeaturesIt’stofromindexresourcesPotential evapotrnspiration in mmAnnual Potential evapotrnspiration in the NCP is high varies between 796 and 1257 mm resu
教學課件相關推薦
鄂ICP備17016276號-1