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1.
王克林 《中国地理科学(英文版)》1998,(3)
I.INTRODUCTIONItisgeneralyacceptedthatthedegradationofrenewableresourcesandfragileenvironmentsindevelopingcountriesisbecomin... 相似文献
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I.INTRODUCTIONCitiesarethesymbolsofhuman’scivilization,thespatialcariersofeconomyandthesourcesofregionaleconomicactivities(Gu... 相似文献
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I.INTRODUCTIONUptothepresent,severaltheoreticalandimportantpracticalproblemshavebeensolvedinkarstgeomorphology.However,alongw... 相似文献
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DEGRADATION OF NATURAL RESOURCES BY ENVIRONMENTAL POLLUTION——A Comparative Study Between Huizhou City and Zhaoqing City 总被引:2,自引:0,他引:2
1 INTRODUCTIONBothresourceandenvironmentarerelativeconceptions,whicharerelativetothesystemstheyreferto.Theenvironmentofacertainarea(oracertainbusiness)ispossiblytheresourcesofthesurroundingareas(oranotherbusiness).Theatmosphere,waterbodiesandsoilont… 相似文献
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FACTORS AFFECTING SOIL RESPIRATION IN REFERENCE WITH TEMPERATURE'S ROLE IN THE GLOBAL SCALE 总被引:6,自引:1,他引:5
I.INTRODUCTIONSoilrespirationisCO2evolutionprocessfromsoiltoatmosphere.Itismainlyproducedbyoxidizingorganicmaterbymicroorgan... 相似文献
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I.INTRODUCTIONThereisaclosecorelationbetweenthelocationofalandparcelanditsvalue.Arealestateexpertoncestatedthatthefactorsdete... 相似文献
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阎百兴 《中国地理科学(英文版)》1998,8(4):352-361
I.INTRODUCTIONMostvolcanoesaredistributedinnortheastofChina.Thevolcaniceruptionscanchangethegeneralmorphologicconfigurationof... 相似文献
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United international central city: A new spatial organization model in tumen river economy development zone 总被引:1,自引:0,他引:1
张平宇 《中国地理科学(英文版)》1998,8(4):370-376
I.INTRODUCTIONSince1980,NortheastAsiahasexperiencedarapidregionaleconomicunificationagainsteconomicglobalization.TheTumenRive... 相似文献
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JimPooler 《中国地理科学(英文版)》1998,8(3):212-224
I.INTRODUCTIONAcommonviewpointinthespatialinteractionliteratureisthatitisnecesarytoacknowledgespatialstructureefectsand/orde... 相似文献
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I.INTRODUCTIONTheglobalaveragesurfaceairtemperatureoftheearthhasincreasedbyabout0.5℃sincethemid19thcentury(Houghtonetal.,19... 相似文献
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I.INTRODUCTIONWiththerapiddevelopmentofnationaleconomyandthegrowthofthepopulationsincethe1990s,therecomesnewdemandsforexploit... 相似文献
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1INTRODUCTIONNoonecandoubtthatoneofthemostexcitingsoundsinnineteenthcenturyAmericawasthewhistleofalocomotive.ThroughoutthewholecenturyespeciallyinthesecondhalfrailroadsplayedadramaticroleintransformingtheAmericanwestfromabarrenlandintoapopulatedone… 相似文献
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The flux of land-based source pollutants from tumen river system entering the sea of Japan 总被引:1,自引:0,他引:1
I.INTRODUCTION“Agenda21”recognizestheimportanceoflandbasedsourcepolutantstomarinepolution.Coastalwaterisofgreatsignificance... 相似文献
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RESEARCH ON DISTURBED MECHANISM OF THERMAL NOISES OF THE SURFACE IN ABRUPT GEOTHERMAL ANOMALY 总被引:3,自引:2,他引:1
1INTRODUCTIONGeothermalanomalyisaphenomenonthatunder-groundtemperatureandgeothermalgradientincreasesmuchmoreintheareathanitssurroundingsXIA1979.Thisisanormalglobalphysicalphenomenonintheactiveandthelatentvolcanicarea.Duringthewarningsignperiodofan… 相似文献
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陈亚宁 《中国地理科学(英文版)》1999,9(4):373-376
1 THEANALYSISOFSOILEROSIONFACTORSTheintensityofsoilerosioninaridareavarieswithaltitude,moistureandheatconditionandsurfacelayer(Chen,1995).Inmiddleandhighmountainsections,thereisalittlemoreprecipitation(450-796.90mm),richervegetationcovermorethan60pe… 相似文献
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I.INTRODUCTIONInthepaper,thewetlandinQinghaiLakedrainageareameansthemiremeadowintheregion.Itsformationanddevelopmentareclosel... 相似文献
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1INTRODUCTIONTheremarkablesocialandeconomicchangeinthePearlRiverZhujiangDeltaPRDsincethelate1970shasmadeitafocalpointinreformeraacademiccircles.ManystudieshavebeendoneonthePRDitsregionaleconomicdevelopmentandrestructuringLIN1997LINetal.1995… 相似文献
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1INTRODUCTIONWiththeaccelerationoftheeconomicglobaliza-tionthegradualshapingofthenewinternationaldivi-sionoflaborandthedevelopmentofthetransnationalcorporationstheworldurbansystemshavebegunanewroundofintegration.Ononehandthecitiesallovertheglobeare… 相似文献
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1 ADVANCINGOFTHEQUESTIONANDCONSTRUCTIONBACKGROUNDOFSUZHOUINDUSTRYGARDENPerroxgavespecialattentiontotheeffectofimportantitemsandconstructionofinfrastructurewhenhediscussedtheproductionofgrowthpole(Li,1988).Lotsofdomesticscholarshavealsoprobedintothi… 相似文献
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The precipitation infiltration and runoff recharging experiment observation in the Taklimakan Desert
1 INTRODUCTIONThelocalprecipitationismostimportantavailablefreshwatersourceindeserts.TheTaklimakanDesertbelongstoanextremearidbelt.Accordingtoafewyears’limitedobservationdata,itisestimatedthattheprecipitationshouldbeintherangeof30-50mmannually.Howev… 相似文献