????:1??????:????????

2??????

3?????????

4??????????

5???????

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

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