生態(tài)環(huán)境敏感等級(jí)分析

#得到該地區(qū)水流量圖：43圖2-124)提取河網(wǎng)柵格(Stream_Raster)，使用SpatialAnalysisTools中的柵格計(jì)算器(SpatialAnalysisTools->MapAlgebra->RasterCalculator)，表達(dá)式：“FlowAcc_Flow1”>1000，將水流積聚柵格二值化為0和1。圖2-13圖2-145)再用柵格計(jì)算器選出值為1的河網(wǎng)柵格(Stream_Raster圖2-13圖2-145)再用柵格計(jì)算器選出值為1的河網(wǎng)柵格(Stream_Raster)數(shù)據(jù)，表達(dá)式：FlowAcc_Flow1”==1。圖2-15圖2-163】在“vegetation”圖層范圍內(nèi)，計(jì)算每個(gè)柵格到最近河流柵格的直線距離值；1)采用歐氏距離(SpatialAnalysisTools->Distance->EuclideanDistance)計(jì)算每個(gè)柵格到最近河流柵格的直線距離值，輸入Stream_Raster數(shù)據(jù)。圖2-17得到歐氏距離結(jié)果如圖：囪FMccJcmI-High11K113fc?se日SetdfaftGm囪FMccJcmI-High11K113fc?se日SetdfaftGm電町牛??|]：!Dfc4ire四ID田,jCA,UEaf-i'llvdr^piirqa-<*lD'=-：uigEadOri_Ei?ra:?羊ms■苗切噸24^9MIE-1T--4IT.1CH2,dF.1W2rjK-7]aHE,3：?笑鍛J罔町巾QXlM報(bào)&：-1±?77C.5：*.77IK4fl-1,41.12-lj￡41r32^l?口H.W禺&7H?怙冷吊口11阿1用倒".；05.油□J.lfll.iMBSiS?7,d；A.5d.H沁陋也ri0■d1*外4『口TadiWiMdfrner'SfanTaals(HQ￡lFl輻m日OlTiKW2)OamdsrUfob卯or扉o?0畑l電2k[■jOarlOirimv3C^siFaih[￡|Eictdear>4lKHiw已EicEdMnDrKtnrHiEGEhdunEnonoi旦|呵hgiiire=|PjiLhOWftnce[■jPrlhDnfewiMEddcLinkEWihCikiriGiwaAzitianSrauF^MfefH^nArclD^n-噸啊誠(chéng)胃ixxd白Igihri圖2-182)對(duì)“EucDist_Stream”圖層按表1中“分類”進(jìn)行分類符號(hào)化。Laye-rPrape-irEie-sGeneralSourceExtentDisplaySymbologySho^:UnlciiJSho^:UnlciiJ啟VmIu啟日Drawraster{proupinovaluesintoclas&esUl口占占ifiuciStretichedDisci*eteCaloi-ColorR^nipStretichedDisci*eteCaloi-ColorR^nipabcjLit:ei^iiibcjiipci時(shí)SymbolRangrzIShowclassbreaksusingcellvialuesIIUsehill=had=r=ffectabcjLit:ei^iiibcjiipci時(shí)SymbolRangrzIShowclassbreaksusingcellvialuesIIUsehill=had=r=ffectLabel□-2525.00000001-5050.00000001-100100,0000001-150150.0000001-2』斗35uE斗lOlfiDisplayNoDaLaas圖圖2-19符號(hào)化結(jié)果：符號(hào)化結(jié)果：QTdhkOFCOrtKrtiSFIs-Ettfi;Mw骸儀燈他ksWt*t&KflrK'S5hgi電円onn汕QTdhkOFCOrtKrtiSFIs-Ettfi;Mw骸儀燈他ksWt*t&KflrK'S5hgi電円onn汕e恤聞幣Help:二已詰3丸丸［鬥。:;時(shí)縣呂曰勻L*f?H?1□■!!***張阻胡rfl承BHWHUJJ-■VALUE.?■科曲HWM-蟄.u.aa?mai-io<口1WJMH0W1-I5t口TM3JK<?I-鳥也鼻刖0RisierBH加吆畑nWtmi?￡曲NwtwwkToah8田0P^-mIribHi:T3a±1［3StkffllliCS5曲F忌SvrwrTechr也帥甜x：宙C^ndHa"rii±?SCm^C4?3?ce■JLorridcrHIdiUb^jibn■1feILir^列ELKiMmMEienci

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ijiiianEv印Diswr■:eAiocMSofiGitirc,BickLinkUrc-m^uiar■aa師州曬卜:方klvrpalirtiD"iB￡3L=^Ja冉Map占Am圖2-20【4】地形、植被、水體方面的生態(tài)因子及其對(duì)該地區(qū)的敏感性等級(jí)見表1和表2。請(qǐng)根據(jù)表1中各因子權(quán)重值，加權(quán)計(jì)算該區(qū)域的生態(tài)敏感性信息，并按照表3的敏感性等級(jí)分類方法，繪制該地區(qū)的生態(tài)敏感性等級(jí)分布專題圖。(1)對(duì)坡度因子進(jìn)行重分類(SpatialAnalysisTools->Reclass->Reclassify)，轉(zhuǎn)化量化后敏感度等級(jí)分類。ReclassifyElfecl^55￡1e7Oldvalu&s10-60-75.305603Load...■12忖oDataElfecl^55￡1e7Oldvalu&s10-60-75.305603Load...■12忖oDataOutputr：±eOutputr：±eterC:\Ueere\*?aiLgy：遼LqiTLg\Ducuitient三\krc(tIS''i.Det'ault.gdL\R&cl：=lee_S1opOKOK圖2-21圖2-22(2)先按表1要求對(duì)DEM高程分成5類，再對(duì)植被范圍內(nèi)的高程因子進(jìn)行重分類,轉(zhuǎn)化量化后敏感度等級(jí)分類。Laye-rPropc-rtitsriroupln-gv-alue-s-Intx?cl^s-s-e-^取育應(yīng)用CA)ReelassifyTn^utraster\DIM.-fci￡~Re-?la==￡icld.ValtxsRe^la-ssi￡iO4.tionOldvalues9^9-I□□□菩五石二.虧石石.占MW；^3i57NoDetsLo^.d...圖2-23Ou±pu±r^.=t*rCl>a.5sify...S.evsr=cHewVili-ics?feoision...1taOKCan匚ulEnvironments,：?ShowMeIp>>圖2-24Rl?Edrf￥1*#MalorLirifclasHT□ew+i-1尹|。5：::*?.■Iidivuu4alr.-ii-電rliiiarumucfi百￡□!?!R?ddc!?isOdtMMMKri.i仙1,9HmOWh.2,UHENK口主磁《RW?■i；*ZCfril■【■jMLdlkliDQtaf-HiQ'仙匸&口latfiLE^*yp圖2-253）對(duì)坡向因子進(jìn)行重分類，轉(zhuǎn)化量化后敏感度等級(jí)分類。圖2-264）對(duì)植被因子進(jìn)行重分類，轉(zhuǎn)化量化后敏感度等級(jí)分類*^智tR^-classify-IOld!values1INewv-alu&s1—i'二二IOld!values1INewv-alu&s1—i'二二二二工二二二二二?-NoDatahlQD-dta工:''-.TJ-=ers\w日n.waiqinu'D◎口um^nts\AroGTSLDcfai-Ht.edb■'-.Reolas=_■■,■■ee*tOK圖2-27nKtMri_dto?Ti此祝*!少4屮HhcImh.'SqpiAlpKX-Q"SJnwjh■皿UCt◎?ID>25■啡najumxwnKtMri_dto?Ti此祝*!少4屮HhcImh.'SqpiAlpKX-Q"SJnwjh■皿UCt◎?ID>25■啡najumxw?*-75.uO畑1丹?KPJ\DT.D口BirgiiHicrLiil'U□■X□M口9□-□」□□UMrilVahMh?zvi.nnMiE.ma-mmiii,4ni.a,-ld4XKH?4fl?缶迪■ifaiMisce<■屜ZonalSpaiWEitikikiTixMa■■"fl"■牛1%%%%%抽T'l圖2-285）對(duì)水系因子進(jìn)行重分類，轉(zhuǎn)化量化后敏感度等級(jí)分類。V*R-Stlasslly口XOK-Environments..?Show1-1亡1口Aa圖2-29-HI-Vtf上■購(gòu)OrnrrfliiMhcr-電"&■Hydektai!、raclicFi氣HhLmvbyT?id*%R.bUm^電U.r圖2-306）對(duì)河流緩沖因子進(jìn)行重分類，轉(zhuǎn)化量化后敏感度等級(jí)分類圖2-31|Oitavaiue-s|NewvaluesD-25135-SUz&D-TOT31DU-15U15D-Z435.541D165NoDataNt>Data(7)根據(jù)表1中各因子的權(quán)重，加權(quán)總和(SpatialAnalysisTools->Overlay->WeightedSum)計(jì)算出該區(qū)域的生態(tài)敏感性信息。^A/e-ighte-idS-um——口乂Q百K?5曲畔！F3btJlUb-mPtpig-■&dwTULk?T&&k■■S^rwrTai^aQ百K?5曲畔！F3btJlUb-mPtpig-■&dwTULk?T&&k■■S^rwrTai^aft.3弘心如lA*lii-辛￡l?i4y*Ph*^r+-辛■申-卷□mctriiEilKn一壬>

林二::二

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土態(tài)敏感性等級(jí)分布專題囹制圖人：王炎青制圖日期：已門了年曰月土態(tài)敏感性等級(jí)分布專題囹制圖人：王炎青制圖日期：已門了年曰月圖2-37【5】根據(jù)你的解決方案，開發(fā)一個(gè)應(yīng)用型GIS系統(tǒng)，該系統(tǒng)需要具備加載數(shù)據(jù)、瀏覽數(shù)據(jù)、查詢數(shù)據(jù)等基本功能，其它功能不需編寫代碼，但應(yīng)在程序界面上體現(xiàn)（1）利用VS2010創(chuàng)建一個(gè)二維地圖顯示應(yīng)用程序，如圖：T帽闔.NETFramework斗“齊冃做J旺:歐認(rèn)丘H!*已豆?t旳MS：:Visual匚+十efl匚lwLibrary(D&cLxop)Visual匚世癸型；VisualC*AT帽闔.NETFramework斗“齊冃做J旺:歐認(rèn)丘H!*已豆?t旳MS：:Visual匚+十efl匚lwLibrary(D&cLxop)Visual匚世癸型；VisualC*A2D口displayAircGISEngine?applicationembeddingitheMipCofltrolCa-nscilefi.pplkarticin(ID匕弓ktop)VisualC#lAfindowsApplicdhan[Drslktop)VisualC*VisualC-las-3Library(Engin-s)C#■ArrOISConsoleApplication^EngineJC#Visu