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

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