本文關(guān)鍵詞：基于RS、GIS和景觀格局分析的白洋淀流域生態(tài)環(huán)境變化研究，由筆耕文化傳播整理發(fā)布。

基于RS、GIS和景觀格局分析的白洋淀流域生態(tài)環(huán)境變化研究碩士論文 Abstract isthe freshwater Lake andmost lakeinNorth China ithas Baiyangdianlargest typical Plain，and on environmentinNorthChina．In influences the decades，the important ecological past ecological environmentin has alotduetoclimate andhuman Baiyangdianchanged changes activityNamely, decreased is sediment Watetheadshave accumulation serious，and becomes obviously,pollution in Lake serious．The environment isa ofwholewatershed problemofecological Baiyangdianproblem andsocialfactorsin anddownstream of natural，economical involving upstream regions．Thechanges in not relatetoitsconditionsof and environment only natural，economicalsocial，，but Baiyangdian also resources andthe coverconditionin the refertothewater exploitationvegetation upriver,and alloverthe ismore to of watershed．Therefore，it landscapepatlem pmcticaIimportantstudy changes as the environment watershedwhole． ecological changesofBaiyangdian ofRS of the Withthe difficulty informationof technique，the obtaining ecological application data RScan the indifferent in timeand environmentissolved provide space，in in distinguish itcall datasources fromdifferent and coming resolution， spectrum，andprovide time，spacespectrum and and real―timedatasources．Italsocanfindoutthe itcanalso economy，shortcut changed provide to the andtellthe trends．Contrastotherconventional change change measures，RS region，quantified has characteristicof and of Information a precision．The particular speediness techniqueGeography and moreand hasa of becomesmature more，which ability analysis． System practical strong special the of and with datacollectioncanbe data,new analysisdealingampleoriginal spatial By technique attained，Sowe the informationof elementin suchas landscape many caD．getchanged aspects and etc． spaceposition quantity,str

  本文關(guān)鍵詞：基于RS、GIS和景觀格局分析的白洋淀流域生態(tài)環(huán)境變化研究，由筆耕文化傳播整理發(fā)布。