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