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

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

??

??:???????????,??????????,??????????????