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

??

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

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

?????????

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

????????