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GIS????ҵ?е?Ӧ??

2014-10-24 21:11:24????Դ: ??????????ߣ?
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GIS????ҵ?е?Ӧ??

ժҪ?ڸ?????????Ϣϵͳ(GIS) ?ĸ?????ܡ?Ӧ??????Ļ???????GIS ????ҵ?ж෽???Ӧ????״??????????????GIS ????ҵ?е?Ӧ??ǰ????????̽??ָ????????Ϣϵͳ????ҵ??Ӧ???о?????Ҫ?ԡ?   ?ؼ?????????Ϣϵͳ??ҵӦ????״ǰ??   ????????ҵ?????õع????????????ڳ??????漰??ɭ??ϵͳ?ṹ????ɭ????Դ???ڵر????ص㡣??85%???ϵ?ɭ?ֹ???????????ռ?λ???й????ô?ͳ?????ƶ?????????ȱ??ֱ???Ժ;??߹??̵Ŀ??ӻ?????Ӫ???????????????ѡ???GIS?ܿ???׼ȷ?ػ?ȡ?????????ʽ????ҵ??Դͳ??????????ֱ?۵ر???????֮?????ϵ?ͷ?չ????ʵ?????ݿ??ӻ??Լ??ռ??????????ʵ??Ӧ?õļ??ɡ???????ɭ????Դ???????쵼???ߵ?????????????????GIS????ҵ??Դ?ʺ????ı仯???ж?̬?????滮?????ҵ?ϳ?????????Ӫ?ַš???Ϣ?????????????ٽ???ҵ?ľ?Ӫ???????Ͽɳ?????չ??·??   1. ??????Ϣϵͳ??? GIS ??Geographical Information System ????д?? ????????Ϣϵͳ????????Ϣϵͳ?ǽ?????Ϣ??ѧ???ռ??ѧ?͵????ѧ֮??Ľ???ѧ?????¼???ѧ?ƣ??Կռ???Ϣ?Ĺ?????????????????????ڣ?????һ?ּ??ݡ??洢????????????????ʾ??Ӧ?õ?????Ϣ?ļ????ϵͳ???Ƿ????ʹ??????????ݵ?ͨ?ü???????????Ϣϵͳ???Ե????ռ?????Ϊ???????ڼ??????Ӳ????֧???£? ?Կռ???????ݽ??вɼ???????????????ģ?⡢????????ʾ???????õ???ģ?ͷ???????????ʱ?ṩ???ֿռ?Ͷ?̬?ĵ?????Ϣ??Ϊ?????о??͵??????߷?????????????ļ????????ϵͳ?? ??????Ϣϵͳ?ǿռ????ݵĹ???ϵͳ???ǿռ????ݺ????????ݵ??ۺ??壬????Ҫ?????????????ٿռ䶨λ???????ڶ?ά?ṹ?????????Ե?ʱ?????? ??????Ϣϵͳ???¿??Է?Ϊ ???ࣺ??ר????Ϣϵͳ?????Ǿ???????Ŀ???רҵ?ص?ĵ?????Ϣϵͳ????ˮ??Դ??????Ϣϵͳ???????Դ??Ϣϵͳ??ˮ????ʧ??Ϣϵͳ?ȣ?????????Ϣϵͳ????Ҫ???????ۺ??о???ȫ?????Ϣ????ΪĿ?꣬??????Χ??С???в?ͬ?Ĺ?ģ??????ô???ҵ?????Ϣϵͳ???й??ƺ???????Ϣϵͳ?ȣ??۵?????Ϣϵͳ???߿⣬????һ????ͼ??ͼ?????ֻ????洢????????ѯ??????????????Ͷ???????ȵ?????Ϣϵͳ???????ܵ???????????????Ϣϵͳ?????񣬾??ǶԵ?????????ľ??á???Ȼ??Դ?? ?????ȶ?????Ϣ?????ۺϷ?????????? 2.   ɭ????Դ??Ϣ???? ??GIS ?????ֵ???ģ??(DTM) , ????ģ????λ??????ģ?Ϳɱ?????Դ??ˮƽ?ֲ??ʹ?ֱ?ֲ?????դ?????ݵ??ں??ٷ????ʸ??ͼ?ĵ?????????ڱ߷????Ȳ???,???????ֵ?ͼ??ʾ?͵?????Ϣ???ڷ????ַ֡????֡????֡?????????ӵĿռ?ֲ???ʹ????Щ?????о?????????һ????Χ?ڵĿռ?ֲ???״????ʽ???ݲ?ͬ????λ?á??????????????֡????֡???ͨ״??????????Դʵ??ȫ??滮?Ż??ṹȷ???ռ????????????ɭ?ֵ???Ʒ ??ֵ?????ء?????ҵ?֡????ֳ?ɭ?????ɭ?????ɭ?????????ֲַ????ֽṹ????ṹ???䶯???????ȥֻ?ܴ?ɭ????Դ???????ݿ????˽????Ӧ?õ?????Ϣϵͳ????????ͼ?϶?̬?????ͼ???Ӷ?????????????ʵ????ֱ?۵ذ???ɭ????Դ??״?????仯?? 3. ??ɭ?ַ??ྭӪ???? ???õ?????Ϣϵͳ???????????ְࡢ?ֳ?????ҵ?֡???????ȫʡΪ??λ??ɭ?ַ??ྭӪ?????ܹ??????????Ϊ??ѧ????Ϊ?͹?Ϊ?????쵼????ҵ???????š??????????ṩ?ɲ?????ɭ?ַ??ྭӪ????????ѧ???ݡ? 4.????Ȼ?ֱ??????̹???????ɽ???? ʵʩ??Ȼ?ֱ???????,“??????????”????Ҫ??ʵ???ɲ????ĵؿ????ɽ??ж?̬??????ֻ?????õ?????Ϣϵͳ??????????????ѧ??Ӫ??????????ѽ???Ȼ?ֱ??????̸?????䵽ʵ?????????????ȷ???漰һЩ??????ò????ᾭ?ü???Ϊ??????ء?GIS ?ķ?????ƿɼ?˶???Ҫ??????DTM??ɭ?ֲַ?ͼ??ר??ͼ???????????????Ҹ???ʵʩ?ķ??????? 5.??ɭ???޶?ɷ????? ??????GIS , ?ƶ???ϸ?IJɷ??ƻ?ȷ???йزɷ???Ŀ?ġ??ص㡢???֡????֡????????????ɷ???ʽ?͸??´?ʩ???ƶ??ɷ??ƻ??????????ɷ?ͼ???͸?????ơ?Ӧ?õ?????Ϣϵͳ????????ذ??ո??ء?????ҵ?ּ??ֳ?,???????ְࡢС???ɭ????Դ״???´?ɭ?ֲɷ??޶?ָ????????еķ?ʸ??ͬʱ????ȷ????С???ɭ?־?Ӫ???ɷ???ʽʵ????С??Ϊ??λ?Ķ?̬??Ӫ?????? 6. ??ɭ?ֽṹ???? ?û?????????????кӰ?????????Ȼ???????????????????ȹ????ֵĹ滮ȷ???????ֵı???????Ӧ?ķֲ???Χ??????ɭ????Դ?ֲ?״??????Ȼ????ᾭ?÷ֲ??ص??Լ???ᾭ????????пռ????Է???????ȷ????ͬ???ֵIJ??֡?һ???????ɭ????Դ?ɳ?????չ????Ҫ???õ??ε?ò???????????ֲ??ص???ľ?????????׶εľ??ú???̬Ч???ص?????GIS ????صļ???ȷ????????????ṹ??һ????ָ????Ӧ??ɭ??ʱ??ṹ?ĵ???????????ʵ???????ɽͷ?ؿ??ڴ??????֡??̻????????ɽ??ͬʱ???????鷨????????ṹ??????ľ????ʹ????????????????????ַ????ֵص?????DZ???? 7. ???????䷥????????????????????????ֹ??? ????GIS ǿ??????ݿ??ģ?Ϳ⹦????????ȡ???ϸ????䷥??С???????????䷥ͼ??????GIS?Ŀռ??????Ϣ???ַ?״?????ݽ??????ģ???ṩ?ַ?״?????????????????????ֵ?????????????,?ݴ˿ɰ??ַ??????????л??ؽ??衣GIS??ͨ???????ṩɭ??????????ͼ?????ֵ?????ͼ?????????????ֺ???????????????λ?????????,???¶ȡ????򻮷ֵĵ?ò???ͽ??????????ѡ?????????ֺ͹滮????ָ????ѧ???֡? 8.????ҵ?õ???Ϣ???? ??ҵ???ر仯?????ֵ????ͺ??ֵ?????????档GIS?????ڵ???????ң??ͼ??????ʵ???˵ؼ?????????Դ?仯?????ʵ??ɽͷ?ؿ???????ǿ??Ŀռ????????,?ɼ?ʱ??ɭ????Դʱ?????С??ռ?ֲ????ɺͶ?̬?仯??????????ӳΪ??ѧ?ؼ???ֵ???Դ?ı仯???ֵ?????ԭ????????ռ?ֵص???;???ֵ???Դ?????ṩ?????ݡ???ʡ??ҵ?õ?Լռȫʡ?????????5119 % , ?ɿ??????õ?DZ???ܴ?????Ϊֹ??ҵ?õصĹ???????Ϊ?ַš????õ? ????Ϣϵͳ??????????Ч?ع?????ҵ??ϰ????????Դ,ʵ?ֶ???ҵ?õص?Ȩ?????????????????ǰ????̬?????? 9.??ɭ?ֲ????󺦼?⡢???ơ?ɭ?ַ????⼰??̬???? Ӧ?õ?????Ϣϵͳ????ʵ?ֶ?ɭ?ֲ??????溦???󺦷??????ɡ??ֲ?״???????Ƴ̶ȶ?̬??⼰???ٹ???,?ܹ??˷???????ä???պͱ????????????????????ι?????ʱ????ͨ??????Ӧ?õ?????Ϣϵͳ??ʡ???ء???ɭ?ַ???ϵͳ???ж?̬???͹???????????ҵ????ҵ?滮Ժ??90????????Ƴ???“?ֻ????”??????Ϣϵͳ??Ŀǰ??ʡɭ?ַ????Ҳ???ֹ???ȫʡɭ?ַ???GIS ϵͳ????ϵͳ?? ?????ؽ??????????ʡ??ɭ?ַ????ִ???????ˮƽ,???????޴????Ч??;???Ч?档 10. ????Ȩ???? Ȩ???ֹ??ҡ????塢??????????ʽ??ͬȨ????ɭ??ʵ??“˭??˭??”??ԭ???󲿷?Ȩ????ȷ??Ȩ????,???߷?????־????ɽ??Ȩ??ʵ?ء?ͼ??????????ط?????????ȷ???????ڱ߷????ݶ?δ???????򡣴Ӷ????ٻ?????????Ȩ???ס?   Ӧ??ǰ???? һ????,GIS????ҵѧ???е?Ӧ?ôٽ???ѧ?Ƶ?֪ʶ???º???????о??ٳ??˸?ѧ?Ƽ???໥??ϵ??????ƶ?????ҵϵͳ??ѧ?????֧ѧ?Ƶķ?չ???????????·?֧ѧ?ƵĽ???, GISӦ??Խ??Խ?㷺?????е?ѧ?????????GIS????ֲ??ת????Ʈ??״???Ĺ??Һ?ʡ????????Ϣϵͳ????һ????,??ѧ?ƵIJ??Ϸ?չ?????뷴????????ҪGIS?IJ?????????ΪGIS?ṩʵ????ء???Ϊ?˱??ڸ???ѧ?????ع???ijһ???????Ȼ??Դ??????GISͬGPS??RS?Լ???ר?Ҿ???֧??ϵͳ??????????⽫?ٽ?GIS?????IJ??????ơ?GIS??RS??GPS?ļ???3S”?ļ???)?ѳ?Ϊһ?ֱ?Ȼ?????ơ?“3S”?ļ?????һ?????ø??Եļ????ص????׼ȷ???ṩ??????Ϣ?ļ???????????RS ?ṩ???µ?ͼ????Ϣ, GPS?ṩ??ȷ??λ????Ϣ, GISΪͼ??Ĵ洢??????????????Ӧ???ṩ?????ֶΡ?“3S”??Ӧ?ÿ?Ϊ??ҵ?????????;????߿??ٵ??ṩ??ȷ????Ϣ??ɭ????ũҵ????̬????Ҳ??½????̬ϵͳ?????塣?ҹ?ɭ????̬???ܽ?????ҵ????????????ˮƽ?ϵ?????ҵ???????????????ټ?????ҵ?????ĸ߷????ԡ???????, GIS?????ķ?չ??Ӧ??Ϊ?????ҵ?????ĵ???????ʵ????ҵ?ִ???????ء???ʱ?Ŀ?ѧ???????ṩ?˼???֧?֡???ҵ??̬ϵͳ??һ?????临?ӵ?ϵͳ????һϵͳ?ļ?⡢ģ??Ϳ?ѧ?????ȸ???????Ӧ?ô?ͳ??GIS?Ǻ??ѽ??????Ϊ??Щ??????Ҫ??????֪ʶ?뾭??, GIS??ר??ϵͳ??϶??ɵ?????GIS, ????????????ģ?ͽ???Ϊ?????Щ???????????Ҫ;??Ŀǰ?ⷽ????о??ѵõ??????ӡ?????????????GIS??????GIS??????ʽGIS????3ά??ʱ??ά???ݽṹ????ЩGIS?????о??ɹ????Ƴ??Ͳ?????????ҵ??ΪGIS????ʹ?ô???Ȼ???ܵ???Զ??Ӱ?졣   ?????????90 ???????, GIS ?????ŷֲ?ʽ?ġ????ŵġ????绯?ġ????ڻ??ġ?ȫ???Ե?GIS ??չ,?????ǹ㷺Ӧ???ڸ????????????˾޴?ľ??ú????Ч?档??ǰ?ҹ??Ѿ?????˽??? ??????ҵ ?ĸ????Ƿ?????ʹ?????Ƚ?????ҵ??????Ϣϵͳ???ڳ?Ϊ??????????ҵ????ˮƽ????Ҫ??־?????? 3S ?????????缼????????????????ִ???Ϣ??????Ѹ?ٷ?չ????شٽ?????ҵ??Դ??Ӫ???????????õ???Ϣ???????绯??????????ģ?ͻ????̡? Ŀǰ, GIS ???ҹ???ҵ?ϵ?Ӧ?û??????𲽽׶????ڴ?????ҵGIS ?о???????????; GIS ????ҵ?ϻ???ҪӦ???ڽ??????ݿ⡢???ݿ??ѯ???ռ???ӷ????????????????ͳɹ???ʾ????ȼ??????档????ҵGIS ???????ݿ⽨?衢??ҵͨ??GIS????ģ?顢??ҵ??ҵ???ݱ?׼????ҵGIS ????????֧?ֵȷ??汨??????????Ҫ??????ҵ?????߹?ͬŬ???ٽ??ҹ???ҵGIS ??ҵ?Ŀ?????ǰ??չ      
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