男，1972年9月出生于湖南省，博士，研究员。1995年毕业于湖南师范大学地理系（现资源与环境学院），获理学学士学位。2000年毕业于湖南农业大学资源与环境学院，获土壤学硕士学位。2003年毕业于中国科学院南京土壤研究所，获土壤学博士学位。2004.1-2007.12，先后得到德国马普学会（MaxPlanckGesellschaft）和DFG（DeutscheForschungsgemeinschaft）的资助，在德国基尔大学从事土壤结构与水分动力学博士后研究。2008.1-2009.12，得到欧盟项目资助，在爱尔兰都柏林大学做玛丽·居里学者(MarieCurieResearcher)，主要研究病原体在农业小流域中的迁移过程及其风险评价。2009年9月起，受聘中科院"百人计划""引进国外杰出人才"。目前，还担任国际土壤与耕作研究协会（InternationalSoil&TillageResearchOrganization）的副主席，著名国际土壤学杂志《Soil&TillageResearch》的编委，并与德、英、法、爱尔兰、日本等国家的同行建立了良好的合作关系。取得的主要科研成果：长期以来，在土壤结构形成的生物因素、自然和人为活动作用下的演变机制，及其环境效应方面作了较深入的研究，主要表现在：土壤有机碳和根系分泌物与土壤结构形成及其稳定性的关系；土壤结构演变机制与干湿交替、机械化耕作和放牧强度的关系；土壤结构变化对水分运动，病原体迁移的影响等。这些研究结果主要发表在国际土壤学杂志（比如SSSAJ，EJSS，AEM，PantandSoil等），目前已发表SCI论文20多篇，著写Springer出版《EncyclopediaofAgrophysics》一章节，参与主编论文集AdvancesinGeoEcology(vol.38)，申请专利1项。主要研究方向：目前，利用同步辐射X射线扫描、稳定性同位素示踪等新技术，结合野外长期定位实验和小流域水分养分监测等平台，开展研究内容有：1）有机碳固定与土壤结构的形成和稳定过程；2）农田生态水文过程；3）坡耕地水土流失机制及其阻控技术；4）多尺度农田小流域的物质通量与模拟。欢迎土壤学、水文学、水土保持学、生态学、地理学、环境科学等相关学科的学生报考！主要在研项目:中国科学院“百人计划”，“十二五”科技支撑项目，国家自然基金等。主要代表性文章:1.Peng,X.,Hallett,P.D.,Zhang,B.,Horn,R.2011.Physicalresponseofrigidandnon-rigidsoilstoanalogousbiologicalexudates.EuropeanJournalofSoilScience.Accepted.2.Peng,X.,Ye,L.L.,Wang,C.H.,Zhou,H.,Sun,B.2011.Temperature-andduration-dependentricestraw-derivedbiochar:CharacteristicsanditseffectsonsoilpropertiesofanUltisolinsouthernChina.Soil&TillageResearch.112:159-166.3.Tang,J.,McDonald,S.,Peng,X.,Samandder,S.,Murphy,T.,Holden,N.2011.Modellingcryptosporidiumoocyststransportinsmallungaugedagriculturalcatchments.WaterResearch.Accepted.4.Reszkowska,A.,Peth,S.,Peng,X.,Horn,R.2011.GrazingeffectsoncompressibilityofKastanozemsinInnerMongolianSteppeEcosystem.SoilScienceSocietyofAmericaJournal.75:426-433.5.ZhaoY,,Peth,S.,Krümmelbein,J.,Ketzer,B,GaoY,BernhoferC.,,PengX.,,Horn,R.2010.ModelinggrazingeffectsoncoupledwaterandheatfluxesinInnerMongoliagrassland.Soil&TillageResearch.109:75-86.6.Zhao,Y.Peth,S.Reszkowska,A.,Gan,L.,Krümmelbein,J.,Peng,X.,Horn,R.2010.ResponseofsoilmoistureandtemperaturetograzingintensityinaLeymuschinensissteppe,InnerMongolia,PlantandSoil.DOI10.1007/s11104-010-0460-9.7.D?rner,J.,Dec,D.,Peng,X.,Horn,R.2010.EffectoflandusechangeonthedynamicbehaviourofstructuralpropertiesofanAndisolinsouthernChileundersaturatedandunsaturatedhydraulicconditions.Geoderma.159:189-197.8.D?rner,J.,Deca,D.,Peng,X.,Horn,R.2009.EffectofLandUseonStructuralStabilityandPoreFunctionsofanAndisol(TypicHapludand)inSouthernChile.J.Soil.Sci.PlantNutr.9(3):190-209.9.D?rner,J.,Deca,D.,Peng,X.,Horn,R.2009.ChangeofshrinkagebehaviorofanAndisolinsouthernChile:Effectsoflanduseandwetting/dryingcycles.SoilTillageResearch.106:45-53.10.Peng,X.,D?rner,J.,Zhao,Y.,Horn,R.2009.Modellingshrinkagebehavioroftransiently-andconstantly-loadedsoilsanditsconsequencesonwaterreleasecharacteristic.EuropeanJournalofSoilScience,60:681-69411.Yao,S.,Qin,J.,Peng,X.,Zhang,B.2009.TheeffectsofvegetationonrestorationofphysicalstabilityofaseverelydegradedsoilinChina.EcologicalEngineering.35:723-734.12.Peng,X.,Murphy,T.,Holden,N.M.,2008.Evaluationoftemperatureondie-offrateofCryptosporidiumparvumoocystsinwater,soilsandfaeces.AppliedandEnvironmentalMicrobiology.74:7101-7107.13.Peng,X.,Horn,R.,2008.Time-dependentandanisotropicporestructureandsoilstrengthwithin10yrafterprevioustractorwheelingunderconservationandconventionaltillage.JournalofPlantNutritionandSoilScience.171:936-944.14.Zhao,Y.,Peth,S.,Krümmelbeina,J.,Horn,R.,Wang,Z.,Steffens,M.,Hoffmann,C.,Peng,X.,2007.SpatialvariabilityofsoilpropertiesaffectedbygrazingintensityinInnerMongoliagrassland.EcologicalModeling,205:241-254.15.Peng,X.,Horn,R.Smucker,2007.Poreshrinkagedependencyofinorganicandorganicsoilsonwettinganddryingcycles.SoilScienceSocietyofAmericaJournal.71:1095-1104.16.Peng,X.,andHorn,R.,2007.Anisotropicshrinkageandswellingofsomeorganicandinorganicsoils.EuropeanJournalofSoilScience.58:98-107.17.Peng,X.,Horn,R.,Peth,S.,andSmucker,A.,2006.Quantificationofsoilshrinkagein2Dbydigitalimageprocessingofsoilsurface.Soil&TillageResearch.91:173-180.18.Janssen,I.,Peng,X.,andHorn,R.2006.Physicalsoilpropertiesofpaddyfieldsasafunctionofcultivationhistoryandtexture.AdvancesinGeoEcology,38.446-456.19.Zhang,B.,Peng,X.2006.SoilorganicmatterenrichmentandaggregatestabilizationofaseverelydegradedUltisolafterreforestation.Pedosphere.16:699－706.20.Peng,X.,Horn,R.,Dairy,D.,Kirkham,M.B.,andBlackwell,J.2005.Determinationofsoilshrinkagebehaviorinasaline-sodicsoil.AustralianJournalofSoilResearch.43:555-563.21.Peng,X.,andHorn,R.2005:Anewmodelforsoilshrinkagecurveatawiderangeofsoiltypes.SoilScienceSocietyofAmericaJournal.69:584-592.22.Peng,X.,Zhang,B.,Zhao,Q.,andHorn,R.2005.Soilstrengthcharacteristicsalonganarable,erodedslope.Pedosphere.15(6).739－745.23.Peng,X.,Horn,R.,Zhang,B.,andZhao,Q.2004.Mechanismsofsoilvulnerabilitytosoilcompaction.Soil&TillageResearch.76:125-137.24.Zhang,B.Peng,X.,Zhao,Q.,andHallett,P.D.2004.Eluviationofdissolvedorganiccarbonunderwettinganddryinganditsinfluenceonwaterinfiltrationindegradedsoilsrestoredwithvegetation.EuropeanJournalofSoilScience.55:725-737.25.Peng,X.,Zhang,B.,Zhao,Q.,Horn,R.,andHallett,P.D.2003.InfluenceoftypesofrestorativevegetationonthewettingpropertiesofaggregatesinaseverelydegradedclayeyUltisolinsubtropicalChina.Geoderma.115:313-324.26.Horn,R.Fleige,H.,Peth,S.,andPeng,X.2006.SoilManagementforsustainability.CATENAVERLAG,Reiskirchen,Germany.ISBN3-923381-52-2.AdvancesinGeoecology.38.联系方式Tel:02586881198E-mail:xhpeng@issas.ac.cn