????:??????????????? ???????????
?????????????2??????????????????????15???? (????????????????????? ?????????)2????????????14?????????????,?(????)(?????????“????”)?2????,???????????????,?????????????????,?,???1.2?????
![](http://i2.chinanews.com.cn/simg/ypt/2025/250215/3b93c1ee-a361-42c6-b7c8-ac69915b3e73_zsite.jpg)
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?????
![](http://i2.chinanews.com.cn/simg/ypt/2025/250215/c30ea673-a580-49e6-8a08-0b4c521e83f9_zsite.jpg)
???(?)?2010?????????????????????(DEM),?????5???????????????DEM???????????,??????,???DEM??????????0.1???????(??DEM?)?“???,????,?DEM???????????????????,?????”?,????????????0.5???????????????????
????????,??????????????????DEM???????????????DEM???????????,?,???58.7?????????????????,????????22.4??
![](http://i2.chinanews.com.cn/simg/ypt/2025/250215/92d04853-ab3e-4a93-893d-d1dadf264a09_zsite.jpg)
?,?????35.3???????,??????57.7??????,???????????????????????(?)
??????????????????:???????????????
??