defgf96tj
Dołączył: 14 Lis 2010
Posty: 862
Przeczytał: 0 tematów
Ostrzeżeń: 0/5
Skąd: England
|
 Wysłany: Sob 9:10, 02 Kwi 2011 Temat postu: moncler outlet 中国东Ô |
|
|
中国东北山地集水区和溪流结构模拟分析
agement：balancingsustainabi[ityandenvironmentalchange[M]NewYork：Spr】“gerVar【ag,[link widoczny dla zalogowanych]，l992：5424][5][6][7：[8]张盒池一胡海渡，阮宏华．等长江流域的水土流失及防治对策_J：．南京林业大学学报，l999,[link widoczny dla zalogowanych]，23(2)：l7吴征镒．中国植被FM]．北京：科学技术出版社，l995周以良．中国东北植被地理[M]北京：科学出版社,[link widoczny dla zalogowanych]，1997：i-2AgbuPA，JamesME．TheNOAA／NASApathfinderAVHRRlanddatasetuger。smanual[M]∥GoddardDistributedActiveArchiveCenter．NASA．Greenbelt：OoddardSpaceFlightCenter，1994：l～33JensonSK—DomingueJ()．Extractingtopographicstructurefromdigitalelevationdataforgeographicinformationsystemanalysis[J]．PhotogrammetrieEngineeringandRemoteSensing，1988，54(11)：l593M0DELANDANALYSISOFSTRUCTUREF0RWATERSHEDANDSTREAMINM0UNTAINAREA0FN0RTHEAST0FCHINAZhangJunliegeefI1feScienceZanGuoshengBeijlngNormalUniversityGeJianping100875．Beijing，China)AbstractThestructureofwatershedsandstreamsinthemountainsofnortbeastismodeledwithGTOPO30DEMdata．Thespatia1distrihutionofdifferentorder’sstreamsisstudiedwiththeslopeandelevationdata．TheBUFFERareasthatthewidthis50metersbystreamsarebuilt．thenthed1stribut1oncharactersofNDVIinBUFFERareaofdifferentorder。sstreamsarestudied．Finally．itconcludesthattheorderofstreamisanegativerelationtoelevation,[link widoczny dla zalogowanych]，slopeandNDV1．Thecorrelationcoefficientis一0．2，一0．09and一0．18，respectively．Withenhanceofstream'sorder．thespatialdistrihutionofstreamstendstoareainwhichtheelevationislowerandslopeismild．Thevegetationaround1owerorder’sstreamsisbetterthanthataroundhigherordersstreams．andthechangeofNDV1around1owerordersstreamsismorestablethanthataroundhigherorder’sstreams．KeywordsGIS；DEM,[link widoczny dla zalogowanych]；streamorder：watershedecosystem
More articles related to topics：
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]
[link widoczny dla zalogowanych]
Post został pochwalony 0 razy
|
|
