????:??????????? ???????????????

??

??????????????????????2??????????????????15? (???? ?)2???14?????,?(??????????????)(???“?”)????????????2?,?????,??????????????????,????,??????????????1.2??????

???

2025???????2??8????????,??????????????2?????,????????????????

?????????,??????,?????????????3.2?LiDAR???????????,????60?????????,??????????5???

????1148.17?,?????????????????????593.72?????????????????????,???????????????554.45???????????,???40?????????????????-60???????????,?????,???????283????,???????????42.7???????????908???????(??????????1162?????),??????????????296?,????2562.8????????????,????????18?????????????????????283?,?306?,?417???????

?????????

????????????????(??)???????????????????????2010?(DEM),???????????????????5??????????????????????????DEM?,??????????????,???DEM????0.1???????????????(?DEM?)?“??????????????????????,?????,??????????????????DEM???,?????”??????,?????????????????0.5????

???????????????,??????DEM???????????DEM???????????,????,?58.7??????????????????????????????????????,???????22.4?????????

???????????????(?)???????

??????????,?35.3??,??????????????????57.7??????????????????????,?????????????(??)

???:??

?????????

?????????:??????????? ????????????????????

????????