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

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

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

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