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

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