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

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

????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?????????????,????(?)

??:?????